36,562 Backend Developer jobs in the United States

ManTech seeks a driven and collaborative Backend Developer to join our team in Columbia, MD .

In this role, you will support the development and deployment of backend services for secure, mission-driven applications. Your expertise in backend technologies, DevOps practices, and cybersecurity compliance will directly contribute to enhancing system reliability, performance, and authorization in a secure enterprise setting. You will play a vital part in enabling enterprise infrastructure capabilities for a global workforce through the Enterprise Infrastructure Services (EIS) organization—responsible for MPO’s foundational Enterprise Information Technology (EIT). Collaborating with customers, Integrated Product Teams (IPTs), and vendors, you will help advance EIT capabilities across Data Center & Compute Services.

Responsibilities include, but are not limited to:

• Build and maintain backend service components in a fast-paced development environment

• Help maintain system inventories and documentation across the lifecycle to support compliance

• Integrate service mesh technologies like Istio to manage traffic flow and security

• Utilize Kafka for data streaming and event-driven architecture

• Use Flux, Kubectl, and Kustomize to implement GitOps-based Kubernetes deployments

• Leverage Docker for containerization and Maven for build automation

• Collaborate with teams using Jira and Confluence for requirements, tracking, and documentation

• Conduct development and analysis in Linux environments using Python and IntelliJ IDEA (IDE)

• Participate in Secure the Enterprise (STE) and Secure the Network (STN) activities

• Review Xacta notices and complete SEAR audit log records

• Address POAMs (Plan of Action and Milestones) related to IAVA findings

Minimum Qualifications:

You will bring a strong foundation in backend development and system compliance to succeed in this role:

• Bachelor’s degree with twelve (12) years of technical experience

• OR Associate’s degree with fifteen (15) years of technical experience

• OR High School Diploma/GED with twenty (20) years of technical experience

Preferred Qualifications:

• Experience managing service meshes and Kubernetes clusters with Istio and Rancher

• Proficiency in Redis, Kafka, Docker, Maven, and GitOps workflows using Flux

• Familiarity with Kubectl, Kustomize, and Linux-based development

• Experience using Jira, Confluence, and IntelliJ IDEA

• Python scripting skills, including notebook-based data analysis

• Familiarity with Gatekeeper, Xacta, SEAR, LatteArt, STE/STN activities, and POAM management

Clearance Requirements:

• Must have a current/active TS/SCI with Polygraph

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time

• Occasionally moves about inside the office to access file cabinets, office machinery, etc.

• Frequently communicates with co-workers, management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations.

ManTech seeks a driven and collaborative Backend Developer to join our team in Columbia, MD .

In this role, you will support the development and deployment of backend services for secure, mission-driven applications. Your expertise in backend technologies, DevOps practices, and cybersecurity compliance will directly contribute to enhancing system reliability, performance, and authorization in a secure enterprise setting. You will play a vital part in enabling enterprise infrastructure capabilities for a global workforce through the Enterprise Infrastructure Services (EIS) organization—responsible for MPO’s foundational Enterprise Information Technology (EIT). Collaborating with customers, Integrated Product Teams (IPTs), and vendors, you will help advance EIT capabilities across Data Center & Compute Services.

Responsibilities include, but are not limited to:

• Build and maintain backend service components in a fast-paced development environment

• Help maintain system inventories and documentation across the lifecycle to support compliance

• Integrate service mesh technologies like Istio to manage traffic flow and security

• Utilize Kafka for data streaming and event-driven architecture

• Use Flux, Kubectl, and Kustomize to implement GitOps-based Kubernetes deployments

• Leverage Docker for containerization and Maven for build automation

• Collaborate with teams using Jira and Confluence for requirements, tracking, and documentation

• Conduct development and analysis in Linux environments using Python and IntelliJ IDEA (IDE)

• Participate in Secure the Enterprise (STE) and Secure the Network (STN) activities

• Review Xacta notices and complete SEAR audit log records

• Address POAMs (Plan of Action and Milestones) related to IAVA findings

Minimum Qualifications:

You will bring a strong foundation in backend development and system compliance to succeed in this role:

• Bachelor’s degree with twelve (12) years of technical experience

• OR Associate’s degree with fifteen (15) years of technical experience

• OR High School Diploma/GED with twenty (20) years of technical experience

Preferred Qualifications:

The following experience will help you stand out:

• Experience managing service meshes and Kubernetes clusters with Istio and Rancher

• Proficiency in Redis, Kafka, Docker, Maven, and GitOps workflows using Flux

• Familiarity with Kubectl, Kustomize, and Linux-based development

• Experience using Jira, Confluence, and IntelliJ IDEA

• Python scripting skills, including notebook-based data analysis

• Familiarity with Gatekeeper, Xacta, SEAR, LatteArt, STE/STN activities, and POAM management

Clearance Requirements:

• Must have a current/active TS/SCI with Polygraph

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time

• Occasionally moves about inside the office to access file cabinets, office machinery, etc.

• Frequently communicates with co-workers, management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations.

ManTech seeks a driven and collaborative Backend Developer to join our team in Columbia, MD .

In this role, you will support the development and deployment of backend services for secure, mission-driven applications. Your expertise in backend technologies, DevOps practices, and cybersecurity compliance will directly contribute to enhancing system reliability, performance, and authorization in a secure enterprise setting. You will play a vital part in enabling enterprise infrastructure capabilities for a global workforce through the Enterprise Infrastructure Services (EIS) organization—responsible for MPO’s foundational Enterprise Information Technology (EIT). Collaborating with customers, Integrated Product Teams (IPTs), and vendors, you will help advance EIT capabilities across Data Center & Compute Services.

Responsibilities include, but are not limited to:

• Build and maintain backend service components in a fast-paced development environment

• Help maintain system inventories and documentation across the lifecycle to support compliance

• Integrate service mesh technologies like Istio to manage traffic flow and security

• Utilize Kafka for data streaming and event-driven architecture

• Use Flux, Kubectl, and Kustomize to implement GitOps-based Kubernetes deployments

• Leverage Docker for containerization and Maven for build automation

• Collaborate with teams using Jira and Confluence for requirements, tracking, and documentation

• Conduct development and analysis in Linux environments using Python and IntelliJ IDEA (IDE)

• Participate in Secure the Enterprise (STE) and Secure the Network (STN) activities

• Review Xacta notices and complete SEAR audit log records

• Address POAMs (Plan of Action and Milestones) related to IAVA findings

Minimum Qualifications:

You will bring a strong foundation in backend development and system compliance to succeed in this role:

• Bachelor’s degree with twelve (12) years of technical experience

• OR Associate’s degree with fifteen (15) years of technical experience

• OR High School Diploma/GED with twenty (20) years of technical experience

Preferred Qualifications:

• Experience managing service meshes and Kubernetes clusters with Istio and Rancher

• Proficiency in Redis, Kafka, Docker, Maven, and GitOps workflows using Flux

• Familiarity with Kubectl, Kustomize, and Linux-based development

• Experience using Jira, Confluence, and IntelliJ IDEA

• Python scripting skills, including notebook-based data analysis

• Familiarity with Gatekeeper, Xacta, SEAR, LatteArt, STE/STN activities, and POAM management

Clearance Requirements:

• Must have a current/active TS/SCI with Polygraph

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time

• Occasionally moves about inside the office to access file cabinets, office machinery, etc.

• Frequently communicates with co-workers, management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations.

**Job Description:**
We are seeking a Backend Developer to join our team and contribute to building robust backend services for our platform. In this role, you will work with our Senior Backend Developers, Lead Architect, and other team members to implement reliable and efficient backend functionality that powers our applications.
**Responsibilities**
+ Develop and maintain backend services and APIs according to specifications
+ Implement features and functionality using Python and related frameworks
+ Follow established coding standards and architectural patterns
+ Write clean, maintainable, and well-tested code
+ Create and maintain documentation for services and APIs you develop
+ Implement security best practices in your code following established guidelines
+ Build integrations with internal and external systems
+ Follow established testing standards and implement tests for your code
+ Collaborate with frontend developers to ensure smooth API integration
+ Troubleshoot and resolve backend-related issues and bugs
**Required Qualifications**
+ 4+ years of experience in backend development
+ Proficiency in Python
+ Understanding of RESTful API principles
+ Familiarity with database concepts and SQL
+ Experience with version control systems (Git)
+ Basic understanding of web security principles
+ Experience with cloud environments (AWS, Azure) at a basic level
+ Good communication skills and ability to work in a team environment
+ Willingness to learn and adapt to new technologies
+ Bachelor's degree in computer science, Software Engineering, or related field (or equivalent practical experience)
**Preferred Qualifications**
+ Experience with GraphQL
+ Familiarity with JavaScript/TypeScript
+ Experience with API documentation tools
+ Basic understanding of containerization (Docker)
+ Interest in AI technologies and workflows
+ Experience with automated testing
+ Knowledge of CI/CD concepts
+ Familiarity with microservices concepts
+ Experience building AI agents a plus
Compensation at DXC is influenced by an array of factors, including but not limited to the experience, job-related knowledge, skills, competencies, as well as contract-specific affordability and organizational requirements. A reasonable estimate of the current compensation range for this position is $105,100 - $195,200.
Full-time hires are eligible to participate in the DXC benefit program. DXC offers a comprehensive, flexible, and competitive benefits program which includes, but is not limited to, health, dental, and vision insurance coverage; employee wellness; life and disability insurance; a retirement savings plan, paid holidays, paid time off.
At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We're committed to fostering an inclusive environment where everyone can thrive.
**If you are an applicant from the United States, Guam, or Puerto Rico**
DXC Technology Company (DXC) is an Equal Opportunity employer. All qualified candidates will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, pregnancy, veteran status, genetic information, citizenship status, or any other basis prohibited by law. View postings below.
We participate in E-Verify. In addition to the posters already identified, DXC provides access to prospective employees for the **Federal Minimum Wage Poster, Federal Polygraph Protection Act Poster as well as any state or locality specific applicant posters** . To access the postings in the link below, select your state to view all applicable federal, state and locality postings. Postings are available in English, and in Spanish, where required. View postings below.
Postings link ( Accommodations**
If you are an individual with a disability, a disabled veteran, or a wounded warrior and you are unable or limited in your ability to access or use this site as a result of your disability, you may request a reasonable accommodation by contacting us via email ( ) .
Please note: DXC will respond only to requests for accommodations due to a disability.
Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. More information on employment scams is available here _._

**Job Description:**
We are seeking a Backend Developer to join our team and contribute to building robust backend services for our platform. In this role, you will work with our Senior Backend Developers, Lead Architect, and other team members to implement reliable and efficient backend functionality that powers our applications.
**Responsibilities**
+ Develop and maintain backend services and APIs according to specifications
+ Implement features and functionality using Python and related frameworks
+ Follow established coding standards and architectural patterns
+ Write clean, maintainable, and well-tested code
+ Create and maintain documentation for services and APIs you develop
+ Implement security best practices in your code following established guidelines
+ Build integrations with internal and external systems
+ Follow established testing standards and implement tests for your code
+ Collaborate with frontend developers to ensure smooth API integration
+ Troubleshoot and resolve backend-related issues and bugs
**Required Qualifications**
+ 4+ years of experience in backend development
+ Proficiency in Python
+ Understanding of RESTful API principles
+ Familiarity with database concepts and SQL
+ Experience with version control systems (Git)
+ Basic understanding of web security principles
+ Experience with cloud environments (AWS, Azure) at a basic level
+ Good communication skills and ability to work in a team environment
+ Willingness to learn and adapt to new technologies
+ Bachelor's degree in computer science, Software Engineering, or related field (or equivalent practical experience)
**Preferred Qualifications**
+ Experience with GraphQL
+ Familiarity with JavaScript/TypeScript
+ Experience with API documentation tools
+ Basic understanding of containerization (Docker)
+ Interest in AI technologies and workflows
+ Experience with automated testing
+ Knowledge of CI/CD concepts
+ Familiarity with microservices concepts
+ Experience building AI agents a plus
Compensation at DXC is influenced by an array of factors, including but not limited to the experience, job-related knowledge, skills, competencies, as well as contract-specific affordability and organizational requirements. A reasonable estimate of the current compensation range for this position is $105,100 - $195,200.
Full-time hires are eligible to participate in the DXC benefit program. DXC offers a comprehensive, flexible, and competitive benefits program which includes, but is not limited to, health, dental, and vision insurance coverage; employee wellness; life and disability insurance; a retirement savings plan, paid holidays, paid time off.
At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We're committed to fostering an inclusive environment where everyone can thrive.
**If you are an applicant from the United States, Guam, or Puerto Rico**
DXC Technology Company (DXC) is an Equal Opportunity employer. All qualified candidates will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, pregnancy, veteran status, genetic information, citizenship status, or any other basis prohibited by law. View postings below.
We participate in E-Verify. In addition to the posters already identified, DXC provides access to prospective employees for the **Federal Minimum Wage Poster, Federal Polygraph Protection Act Poster as well as any state or locality specific applicant posters** . To access the postings in the link below, select your state to view all applicable federal, state and locality postings. Postings are available in English, and in Spanish, where required. View postings below.
Postings link ( Accommodations**
If you are an individual with a disability, a disabled veteran, or a wounded warrior and you are unable or limited in your ability to access or use this site as a result of your disability, you may request a reasonable accommodation by contacting us via email ( ) .
Please note: DXC will respond only to requests for accommodations due to a disability.
Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. More information on employment scams is available here _._

**Backend Developer**
**Category:** Software Development/ Engineering
**Main location:** United States, Louisiana, Lafayette
**Position ID:** J0525-0216
**Employment Type:** Full Time
U.S. - CGI Federal- Federal Regulatory ( playing this video you consent to Google/YouTube processing your data and using cookies -Learn more (xweb.asp?clid=21001&page=cookiespolicy#integrationofyoutube) .
**Position Description:**
CGI Federal is currently seeking a Backend Developer to meet needs of a Content Management System. This project is a multi-year initiative to modernize the technology, infrastructure, design, and software used by the federal government to author, create, review, manage, publish, and distribute content to both government clients and the public.
This position is located in our Lafayette, LA office; however, a hybrid working model is acceptable.
**Your future duties and responsibilities:**
The Backend Developer must demonstrate experience with Agile development methodology and DevOps with excellent verbal and written communication skills.
**Required qualifications to be successful in this role:**
Obtain a Public Trust clearance
5+yrs of experience with M365, Power Platform (PowerApps, PowerAutomate, etc.), SharePoint Online (SPO), Azure Cloud, Azure DevOps and Git, RESTful services and WCF, C#, ASP.NET MVC/Web API and .NET Core, JavaScript/ jQuery/ Power Shell Script, Angular v6 or higher. Toad (or Oracle SQL Developer); or equivalent.
Oracle SAS PostgreSQL Dataverse Toad (or Oracle SQL Developer) M365 SharePoint Online (Lists, etc.)
CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for merit-based performance, CGI typically does not hire individuals at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $88,200.00 - $173,500.00.
CGI Federal's benefits are offered to eligible professionals on their first day of employment to include:
- Competitive compensation
- Comprehensive insurance options
- Matching contributions through the 401(k) plan and the share purchase plan
- Paid time off for vacation, holidays, and sick time
- Paid parental leave
- Learning opportunities and tuition assistance
- Wellness and Well-being programs
#CGIFederalJob
#LI-DD1
**Skills:**
+ Back End Development
+ Detail-oriented
+ Oracle
**What you can expect from us:**
**Together, as owners, let's turn meaningful insights into action.**
Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because.
You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction.
Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise.
You'll shape your career by joining a company built to grow and last. You'll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons.
Come join our team-one of the largest IT and business consulting services firms in the world.
Qualified applicants will receive consideration for employment without regard to their race, ethnicity, ancestry, color, sex, religion, creed, age, national origin, citizenship status, disability, pregnancy, medical condition, military and veteran status, marital status, sexual orientation or perceived sexual orientation, gender, gender identity, and gender expression, familial status or responsibilities, reproductive health decisions, political affiliation, genetic information, height, weight, or any other legally protected status or characteristics to the extent required by applicable federal, state, and/or local laws where we do business.
CGI provides reasonable accommodations to qualified individuals with disabilities. If you need an accommodation to apply for a job in the U.S., please email the CGI U.S. Employment Compliance mailbox at . You will need to reference the Position ID of the position in which you are interested. Your message will be routed to the appropriate recruiter who will assist you. **Please note, this email address is only to be used for those individuals who need an accommodation to apply for a job. Emails for any other reason or those that do not include a Position ID will not be returned.**
We make it easy to translate military experience and skills! Clickhere ( to be directed to our site that is dedicated to veterans and transitioning service members.
All CGI offers of employment in the U.S. are contingent upon the ability to successfully complete a background investigation. Background investigation components can vary dependent upon specific assignment and/or level of US government security clearance held. Dependent upon role and/or federal government security clearance requirements, and in accordance with applicable laws, some background investigations may include a credit check. CGI will consider for employment qualified applicants with arrests and conviction records in accordance with all local regulations and ordinances.
CGI will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with CGI's legal duty to furnish information.

**Job Description:**
We are seeking a Backend Developer to join our team and contribute to building robust backend services for our platform. In this role, you will work with our Senior Backend Developers, Lead Architect, and other team members to implement reliable and efficient backend functionality that powers our applications.
**Responsibilities**
+ Develop and maintain backend services and APIs according to specifications
+ Implement features and functionality using Python and related frameworks
+ Follow established coding standards and architectural patterns
+ Write clean, maintainable, and well-tested code
+ Create and maintain documentation for services and APIs you develop
+ Implement security best practices in your code following established guidelines
+ Build integrations with internal and external systems
+ Follow established testing standards and implement tests for your code
+ Collaborate with frontend developers to ensure smooth API integration
+ Troubleshoot and resolve backend-related issues and bugs
**Required Qualifications**
+ 4+ years of experience in backend development
+ Proficiency in Python
+ Understanding of RESTful API principles
+ Familiarity with database concepts and SQL
+ Experience with version control systems (Git)
+ Basic understanding of web security principles
+ Experience with cloud environments (AWS, Azure) at a basic level
+ Good communication skills and ability to work in a team environment
+ Willingness to learn and adapt to new technologies
+ Bachelor's degree in computer science, Software Engineering, or related field (or equivalent practical experience)
**Preferred Qualifications**
+ Experience with GraphQL
+ Familiarity with JavaScript/TypeScript
+ Experience with API documentation tools
+ Basic understanding of containerization (Docker)
+ Interest in AI technologies and workflows
+ Experience with automated testing
+ Knowledge of CI/CD concepts
+ Familiarity with microservices concepts
+ Experience building AI agents a plus
Compensation at DXC is influenced by an array of factors, including but not limited to the experience, job-related knowledge, skills, competencies, as well as contract-specific affordability and organizational requirements. A reasonable estimate of the current compensation range for this position is $105,100 - $195,200.
Full-time hires are eligible to participate in the DXC benefit program. DXC offers a comprehensive, flexible, and competitive benefits program which includes, but is not limited to, health, dental, and vision insurance coverage; employee wellness; life and disability insurance; a retirement savings plan, paid holidays, paid time off.
At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We're committed to fostering an inclusive environment where everyone can thrive.
**If you are an applicant from the United States, Guam, or Puerto Rico**
DXC Technology Company (DXC) is an Equal Opportunity employer. All qualified candidates will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, pregnancy, veteran status, genetic information, citizenship status, or any other basis prohibited by law. View postings below.
We participate in E-Verify. In addition to the posters already identified, DXC provides access to prospective employees for the **Federal Minimum Wage Poster, Federal Polygraph Protection Act Poster as well as any state or locality specific applicant posters** . To access the postings in the link below, select your state to view all applicable federal, state and locality postings. Postings are available in English, and in Spanish, where required. View postings below.
Postings link ( Accommodations**
If you are an individual with a disability, a disabled veteran, or a wounded warrior and you are unable or limited in your ability to access or use this site as a result of your disability, you may request a reasonable accommodation by contacting us via email ( ) .
Please note: DXC will respond only to requests for accommodations due to a disability.
Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. More information on employment scams is available here _._

**Introduction**
**Your role and responsibilities**
Backend Developer, IBM Corporation, Poughkeepsie, NY
* Lead the architecture and implementation of online file system checker (fsck) features which enables the diagnosis and repair of data and metadata corruption.
* Maintain ownership of a large code base and diagnoses file system corruption issues, recommend the best course of repair, and engage with customers to recommend repair actions.
* Estimate the expected time to complete a diagnostic or repair run and recommend manual repairs of low-level file system metadata structure errors.
* Analyze and recommend actions needed to get a Storage Scale file system back online for customers experiencing log asserts, inactive or bad disks, or other issues preventing file system availability.
* Train and advise company service personnel on optimal use of the file system checker and required actions when file system corruption is indicated by fsstruct errors or other signs.
* Develop code fixes to address internal test defect, perform comprehensive unit testing and ensure code review comments are addressed before fix check-in.
* Propose new features to address customer requirements or make the software more resilient in various customer environments.
* Mentor less experienced storage scale software developers in programming practices, customer support situations, and file system checker code specifics in relation to file system checker (fsck) code.
* Implement prototype code to accelerate failure discovery/maximize progress, conduct sponsor user demos, and engage with testers and other contributors to the user story.
* Contribute to invention disclosures and pursue software patents for work.
* Utilize C, C++, File System, Unix Internals, Shell Scripting, GIT (Global Information Tracker), GCC (GNU Compiler Collection) and GDB (GNU Debugger).
Required: Bachelor's degree or equivalent in Computer Science, Engineering or related and five (5) years of experience as an Advisory Software Engineer or related. Five (5) years of experience must include utilizing C, C++, File System, Unix Internals, Shell Scripting, GIT (Global Information Tracker), GCC (GNU Compiler Collection) and GDB (GNU Debugger). $179982 to $195800 per year. Full time. V205.
**Required technical and professional expertise**
Required: Bachelor's degree or equivalent in Computer Science, Engineering or related and five (5) years of experience as an Advisory Software Engineer or related. Five (5) years of experience must include utilizing C, C++, File System, Unix Internals, Shell Scripting, GIT (Global Information Tracker), GCC (GNU Compiler Collection) and GDB (GNU Debugger).
IBM is committed to creating a diverse environment and is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

**MANTECH** seeks a motivated, career- and customer-oriented **SME Backend Java Developer** to join our innovative team in **Ashburn, VA** . This is a hybrid position with 2 days onsite and 3 days remote.
Each day U.S. Customs and Border Protection (CBP) oversees the massive flow of people, capital, and products that enter and depart the United States via air, land, sea, and cyberspace. The volume and complexity of both physical and virtual border crossings require the application of "big data" solutions to promote efficient trade and travel.
**Responsibilities include but are not limited to:**
+ Lead and perform development and maintenance of end-user focused, object-oriented, data-driven analytic applications to support CBP threat analysis and targeting.
+ Independently identify technical solutions for business problems, directly contribute to conceptual design, and routinely collaborate with Enterprise/Application architects, Database Architects, Data Scientists, and mission stakeholders.
+ Develop new code, modify existing application code, conduct unit and system testing, and engage in rigorous documentation of developed and delivered application use cases, data flows, and functional operations.
+ Demonstrate a strong practical understanding of industry standard Java Application Servers technologies such as WebLogic, WebSphere, TomcatEE and/or JBoss for application delivery and a strong understanding of application-relevant cargo and passenger data and databases used to support analytic application development, functionality, and targeting end user (officer) operation.
+ Actively participate in formal and informal design reviews, solution sessions, and project milestone meetings as well as contribute to project document artifacts for presentation to both technical and non-technical audiences.
+ Integrate with, and materially contribute to, project portfolio teams as a matrixed resource to provide development and issue resolution expertise in collaboration with data scientists, intelligence analysts, developers, and other participants at the direction of a project manager.
+ Mentor junior developers and actively contribute to the development of a community of practice focused on enhancing technical skills, sharing best practices, and promoting enhanced mission domain knowledge.
**Minimum Qualifications:**
+ HS Diploma/GED and 20+ years or AS/AA and 18+ years or BS/BA and 12+ years or MS/MA/MBA and 9+ years or PhD/Doctorate and 7+ years.
+ Hands-on experience with Java 8+ and newer language features and expertise in Java and Object-Oriented Design and development principles (e.g. XML, JSON).
+ Hands-on experience using Spring to develop Micro Services and/or REST API and with one or more ORM libraries such as Hibernate.
+ Hands-on experience with one or more relational database systems (e.g., Oracle, MySQL, Postgres) and with SQL and developing complex SQLs involving multiple databases.
+ Hands-on experience with web/application servers (e.g., Tomcat, WildFly, WebLogic) and with building and deploying containerized applications (e.g., Docker, Kubernetes, Openshift).
+ Experience developing solutions via Amazon Web Services (e.g, AWS EC2, RDS, S3).
+ Hands-on experience with one or more build tools (e.g., Maven, Gradle, Bamboo), with Software Source Code Management tools (e.g. BitBucket, Git), and leveraging distributed data/computing tools including Hadoop, Spark, Impala, MySQL, Elasticsearch, Solr, etc.
**Preferred Qualifications:**
+ Developing applications with Spring Boot.
+ Experience with NoSQL database systems such as Cassandra, MongoDB, DynamoDB, etc.
+ Experience executing continuous integration with Jenkins or Bamboo.
+ Familiarity with Unix/Linux and shell scripting.
+ Hands on experience with Agile Lifecycle Management and engineering tools including Atlassian Jira and Confluence as well as application IDE tools including Eclipse, Jupyter Notebook, and Apache Zeppelin.
+ Agile Scrum participation and, ideally, Scrum Master experience.
**Clearance Requirements:**
+ Must be a U.S. citizen with the ability to obtain DHS CBP suitability prior to starting this position.
**Physical Requirements:**
+ The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, which may involve delivering presentations.
ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at and provide your name and contact information.