46,021 Software Application jobs in the United States

We are looking for an experienced Software Application Developer  to design and code functional programs and applications. You will work as a part of a team of experienced software engineers and domain experts.

Neuralog uses a variety of software development tools including Microsoft Visual Studio 2017 and Microsoft DevOps.  Our applications are built to run on both current and legacy Windows operating systems. This position requires an in-depth knowledge of Windows operating systems as well as understanding of Microsoft Foundation Class.  A strong knowledge of C, C++ and C# programming language is needed.

Our ideal candidate will be an experienced coder with an analytical mindset and an eye for detail.  This individual will be productive working independently with little supervision but will also be able to be part of a collaborative team.  This person will be comfortable using a Task/Bug Tracking system such as that found in DevOps.

Responsibilities

• Understand application requirements and how they translate into coded features

• Write high quality source code to program application features within deadlines

• Perform unit and integration testing before delivering to software team for formal testing

• Conduct functional and non-functional testing along with software testing team member

• Collaborate with development team to set specifications for current and new applications

• Troubleshoot and debug applications

• Document source code and assist technical writers with an understanding of functions for end user documentation

Requirements

• Proven experience as application developer; at least 5 years

• Ability to understand and maintain code in C, C++ and C#

• Experience in building and coding applications

• Experience in .NET, .NET Core, ASP.NET, Microsoft Azure Cloud, SQL Server, Azure SQL

• Understanding of Cloud computing services

• Experience with version control solutions, specifically Team Foundation Server (TFS)

• Strong understanding of Microsoft Azure DevOps

• Understanding of relational database systems

• Knowledge of SQL and T-SQL

• Strong agile skillset and experience working in scrum agile development

• In-depth knowledge of programming for Windows operating systems and platforms using development tools

• BS in computer science or related field; MS a plus; strong GPA.

Nice to have:

• Knowledge of automated testing tools

• Experience in  application migration experience

• Understanding of broader Geographical Information Systems (GIS) technologies

• Knowledge of ESRI ArcGIS development, map gridding and projections 

• Knowledge of the oil and gas industry

• Certified application developer a plus

Personality

• A team player with an excellent work ethic and solid communication skills

• Analytical, imaginative thinking and problem-solving capability

• Great attention to detail and time-management skills

• High standard work ethic required

Description

Leidos is in need of a software applications developer to support a dynamic and exciting software development program. This position will be part of a team of applications developers supporting multiple projects, which include high profile high visibility projects offering technical learning opportunities. These projects are all within the cloud and support multiple mission partners. The ideal candidate will have AWS experience developing for the cloud to include complete secure cloud integrations, optimizing cloud connectivity, and managed cloud services. This position is located in Northern Virginia and does not require travel.

What to expect in this role:

The ideal software developer will have the capacity to develop web applications using Salesforce.

JAVA, JAVAScript, NodeJS, Angular and ServiceNow skills are desirable skill sets to support current applications.

The developer will work with the overall program team in the design and development of new applications as well as integrating new solutions on existing applications.

The candidate will be able to analyze and solve complex application development needs to identify solutions to include potential new tools/technologies.

A strong candidate will have commanding knowledge of Salesforce software development principles and be energized by the capability to learn and implement new skills.

The candidate should be proficient in web application development to include troubleshooting and software upgrades.

Products and/or services reside in development, test and production AWS environments.

Experience working in a DevOps environment developing within an Agile environment using code delivery mechanisms, such as Maven, Ant, continuous build systems such as Jenkins, Git, code repositories such as Subversion, and continuous delivery solutions, such as Jenkins, or Puppet.

Required Experience:

· Requires a Bachelor and at least 12 years of relevant experience or Masters with at least 10 years relevant experience

· Clearance: Must have a TS/SCI with Polygraph to be considered

· Experience with Salesforce·

Desired Experience and Skills:

· Experience with JavaScript

· Experience with Node or willingness to learn Node

· Experience developing in PHP or the willingness to learn PHP

· Experience developing HTML views with CSS

· ServiceNow Development/Administration

· Docker Container experience

· AI/ML Experience

· Python Experience

Original Posting:

June 25, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $112,450.00 - $203,275.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

REQNUMBER: R-00161644

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

• Support a team responsible for the development of software tools to assist organizations meet mission objectives.
• Support the development of the new F.O.R.G.E. web application.
• Adheres to the SCRUM Framework for software development and the SD.

• Education & Years of Experience - Bachelor's Degree in Computer Science, IT, or related and 10+ years of relevant experience with software development.
• Citizenship - To be considered, you must be a United States (U.S.) citizen due to the federal nature of the work.
• Clearance - To be considered, you must be able to obtain and maintain a government issued clearance, if needed.
• Must have experience working in a SCRUM Development environment.
• Must be proficient in:
  
  • C# .NET Development
  • Developing Blazor Web Applications
  • Working with Microsoft SQL
  • Working with Microsoft IIS Web Hosting Environment
  • Entity Framework
  • LINQ
  • Using SignalR for dynamic updates to web applications
  • Single Sign On(SSO) and SAML authentication best practices
  • API Development
  • Securing APIs
  • Unit Testing
  • Azure Dev Ops - Including Pipelines

• Highly prefer a DOE "Q" Clearance or DoD "Top Secret" Clearance.

• Our philosophy - We believe in the power of effective collaboration and recognize that good partnerships are the building blocks to success.
• Our relationships - Partnering with federal clients, we solve complex problems, exceed expectations, and advance critical missions.
• Our team - We are committed to managing a cohesive workforce and cultivating a supportive workplace for our employees on contracts and in-office.
• Our community involvement - Supporting our communities, we invest time and money in local schools and non-profit organizations.

ManTech seeks a motivated, career and customer-oriented Application Developer to join our team in Chantilly, VA

The Application Developer will be dedicated full-time to development and enhancement support for existing applications as well as new development.

Responsibilities include but are not limited to:

• Designing, programming/developing, and modifying software systems, applications, and tools, both existing and potentially new in the future

• Analyzing user needs and software requirements to determine feasibility of design within time and cost constraints

• Collaborating with teammates, other service providers, vendors, and users to develop new program features

• Developing unit and integration tests, in addition to participating in functional and regression tests to ensure programs will produce the desired results and that instructions are correct

• Correcting errors by making the appropriate changes and then re-checking the program to ensure the desired result was produced.  As well as,  reviewing help desk messages periodically and working with other teams to troubleshoot and resolve production issues

• Participating in code reviews by reviewing and incorporating feedback from teammates as well as providing feedback to others based on existing standards and recommended programming practices.

• Deploying code to development, test, and production environments using existing DevOps infrastructure/tools

Minimum Qualifications:

• High School Diploma with 2+ years of experience in the Information Technology field

• Experience with Java programming/development

• Experience with HTML, CSS, JavaScript, and at least one modern front-end framework, preferably Angular

• Experience with, or knowledge of, the Spring Framework and RESTful services and SQL, ORM libraries such as Hibernate/JPA

• Experience with Git branching and merging within a team to manage source code

Preferred Qualifications :

• Strong ability to manage competing priorities and communication to multiple stakeholders

• Experience with, or knowledge of, Elasticsearch

• Experience with, or knowledge of, best practices for developing secure web applications

Clearance Requirements:

• An active TS/SCI with Polygraph

Physical Requirements:

• Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.

• The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

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

Are you an emerging Information Technology professional with experience supporting Human Resources (HR), and a passion for solving technical challenges, learning new skills and collaborating across teams to build innovative technical solutions?

If so, we'd love to have you join our team at APL!

We're seeking a Software Application Developer with a foundational understanding of Software Development and Support. This role offers a phenomenal opportunity to grow your skills in application support, technical troubleshooting, and custom application development for Workday HCM, while working alongside experienced IT professionals to support HR business requirements.

As a Software Application Developer, within our Information Technology Services Department, you will:

• Provide day-to-day technical support for enterprise applications, especially Workday HCM modules (such as Core HR, Payroll, Benefits, Compensation).
• Troubleshoot and analyze application issues, collaborating with senior team members to recommend and implement effective solutions.
• Assist in developing, testing, and maintaining customized Workday Extend applications (training provided).
• Help monitor production environments, support issue resolution, and maintain clear communication with stakeholders/customers.
• Support system testing, configuration updates, and user training to improve system performance and usability.
• Collaborate with teams across HR, IT, and business units to gather requirements and support system enhancements.
• Stay up to date on Workday platform updates and industry best practices.
• Show curiosity and initiative in learning new tools, systems, and processes.

You meet our minimum qualifications for the job if you.

• Hold a Bachelor's degree in Information Systems, Computer Science, Business & Technology Management, or a related field-or have equivalent experience through internships or entry-level roles.
• Have 1+ years of experience in application development, or relevant technical roles.
• Experience with development concepts or languages like Python, C++, SQL, Java, or .NET.
• Demonstrate strong problem-solving and analytical skills, with knowledge and experience in the software development lifecycle.
• Communicate effectively with both technical teams and end users.
• Are familiar with Microsoft Office tools, including Excel, Word, PowerPoint, and Visio.
• Hold U.S. citizenship or permanent resident status, as required to access APL facilities and networks, subject to applicable laws.

You'll go above and beyond our minimum requirements if you.

• Experience supporting Human Resource applications, particularly Workday.
• Exposure to or curiosity about Workday Studio, Extend, Prism, APIs (REST/SOAP), or other HRIS platforms.
• Knowledge of ITSM best practices and or experience using ServiceNow or similar IT ticketing systems.
• Professional Certifications such as ITIL, PMP, HDI, etc.

This is a superb opportunity to launch your career in enterprise application support with mentorship, hands-on learning, and significant projects. If you're excited to learn and grow, apply today and join the team at APL!

Why Work at APL?

The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation's most critical defense, security, space and science challenges. While we are dedicated to solving complex challenges and pioneering new technologies, what makes us truly outstanding is our culture. We offer a vibrant, welcoming atmosphere where you can bring your authentic self to work, continue to grow, and build strong connections with inspiring teammates.

At APL, we celebrate our differences of perspectives and encourage creativity and bold, new ideas. Our employees enjoy generous benefits, including a robust education assistance program, unparalleled retirement contributions, and a healthy work/life balance. APL's campus is located in the Baltimore-Washington metro area. Learn more about our career opportunities at

All qualified applicants will receive consideration for employment without regard to race, creed, color, religion, sex, gender identity or expression, sexual orientation, national origin, age, physical or mental disability, genetic information, veteran status, occupation, marital or familial status, political opinion, personal appearance, or any other characteristic protected by applicable law. APL is committed to providing reasonable accommodation to individuals of all abilities, including those with disabilities. If you require a reasonable accommodation to participate in any part of the hiring process, please contact

The referenced pay range is based on JHU APL's good faith belief at the time of posting. Actual compensation may vary based on factors such as geographic location, work experience, market conditions, education/training and skill level with consideration for internal parity. For salaried employees scheduled to work less than 40 hours per week, annual salary will be prorated based on the number of hours worked. APL may offer bonuses or other forms of compensation per internal policy and/or contractual designation. Additional compensation may be provided in the form of a sign-on bonus, relocation benefits, locality allowance or discretionary payments for exceptional performance. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. Applications are accepted on a rolling basis.

Job Title: Software Application Developer

Company: Altus Engineering

Location: Aberdeen Proving Ground, MD

Salary: $90,000-$145,000 per year

Position Overview: We are seeking a Software Application Developer to support our DoD team working on highly visible projects utilizing leading edge technologies.

About Us: Founded in 2003, Altus Engineering is a Maryland small business providing professional engineering services to the Department of Defense and industry customers. These include high-quality software development services, system modeling and simulation, scientific research, and performing engineering analysis of combat systems and personnel vulnerabilities. We pride ourselves on providing outstanding professional and technical services through building and empowering teams that will continue to grow with us.

Key Responsibilities:

• Develop and maintain software applications to meet project requirements.
• Collaborate with cross-functional teams to gather requirements and ensure successful delivery.
• Debug, test, and optimize software to ensure performance and reliability.
• Contribute to the design and implementation of new systems and features.
• Stay current with emerging technologies to improve development processes.

Qualifications/Desired Skills:

Required Skills:

• Bachelor's degree in Computer Science, Engineering, or a related field
• Equivalent applicable experience can be considered in lieu of a 4-year degree
• U.S. Citizenship with the ability to obtain and maintain a SECRET Security Clearance.
• Foundational programming knowledge and experience in:
• Three (3) or more years of Object-Oriented Programming experience (e.g., C++, Java, PHP)
• Three (3) or more years of Agile software development process experience
• Three (3) or more years of web-based programming experience
• Unix and Windows® operating systems experience
• Oracle PL/SQL or SQL/mySQL programming experience
• Experience working in Linux/Apache environments.
• Exposure to varied Integrate Development Environments (IDEs) and development frameworks.
• Understanding of Continuous Implementation/Continuous Development (CI/CD) processes.
• Knowledge of cloud platforms.

In addition to these skills, we also desire a candidate who has experience with the following:

What We Offer:

• 401(k)
• 401(k) matching
• Dental insurance
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Vision insurance

If you enjoy intellectually challenging projects, love to code, and enjoy brainstorming with like-minded developers who are part of a highly skilled software development team then Altus may be for you!

• Develop and maintain software applications to meet project requirements.
• Collaborate with cross-functional teams to gather requirements and ensure successful delivery.
• Debug, test, and optimize software to ensure performance and reliability.
• Contribute to the design and implementation of new systems and features.
• Stay current with emerging technologies to improve development processes.

• Bachelor's degree in Computer Science, Engineering, or a related field
• Equivalent applicable experience can be considered in lieu of a 4-year degree
• U.S. Citizenship with the ability to obtain and maintain a SECRET Security Clearance.
• Foundational programming knowledge and experience in:
• Three (3) or more years of Object-Oriented Programming experience (e.g., C++, Java, PHP)
• Three (3) or more years of Agile software development process experience
• Three (3) or more years of web-based programming experience
• Unix and Windows® operating systems experience
• Oracle PL/SQL or SQL/mySQL programming experience
• Experience working in Linux/Apache environments.
• Exposure to varied Integrate Development Environments (IDEs) and development frameworks.
• Understanding of Continuous Implementation/Continuous Development (CI/CD) processes.
• Knowledge of cloud platforms.

• 401(k)
• 401(k) matching
• Dental insurance
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Vision insurance

Join a high-impact team supporting the Mobility Enterprise Information Services (MEIS)a critical enabler of the Mobility Air Force (MAF) and U.S. Transportation Command (USTRANSCOM) global operations. MEIS is the digital backbone of modern command and control, delivering reusable, scalable, and secure IT services in a shared cloud environment. As a Cloud DevSecOps Engineer, you'll help build and maintain secure, scalable, and efficient cloud infrastructure.

Your role will involve collaborating with cross-functional teams to design and implement security controls within the development lifecycle, ensuring that security is integrated from the outset. This position requires a deep understanding of cloud architecture, security best practices, and automation tools.

Key responsibilities include:

• Designing and implementing security controls within the cloud infrastructure
• Collaborating with development teams to integrate security into the DevOps pipeline
• Monitoring and responding to security incidents in the cloud environment
• Ensuring compliance with security standards and regulations
• Automating security tasks and processes to improve efficiency and reduce human error

If you are passionate about cloud security and have a strong background in DevSecOps, we want to hear from you.