13,645 Java Programmer jobs in the United States

About Us: Synergistic IT is a full-service staffing and placement firm servicing clients in America for the past 12+ years. We are dedicated towards fulfilling the IT needs of our clients. From staffing to full implementation of projects we provide the highest quality IT services. We don't just help you secure a tech job, but we build your solid career in technology.

Required Skills
• Core Java, Google Protocol Buffers, Kafka, RocksDB, Hazelcast, Redis
• Distributed Caching, Concurrent programming, Design patterns & Testing Frameworks.
• Sybase/DB2 knowledge is highly desirable.
• UI skills - Angular / React is a plus.
Responsibilities
• Work as a developer on projects focused on increasing the scalability of the system.
• Contribute to design and architecture discussions at a senior level.
• Maintain the platform by sharing support responsibilities with the rest of the team.
• Perform code reviews and help set good design and coding standards for the team.
• Mentor junior team members.
Qualifications
• Experience: 5 or more years of experience is the minimum requirement for this role. Experience with large scale trading or other mission critical high-performance systems will be preferred.
• Java: Expert knowledge of the Java programming language and any mainstream JVM.
• Design and Architecture: Intermediate knowledge of common distributed architecture patterns.
• Cloud: Working knowledge of developing applications on AWS or Microsoft Azure will be an added advantage.
• SRE, TDD, and Agile: Experience in a team that follows SRE, TDD, and agile development practises will be an added advantage.
• Communication Skills: Good oral and written English communication skills are required for this role. A successful candidate must be able to work alongside the users and the wider developer community in the firm and should also be able to communicate effectively with them.

Rate range -$30-$35

Software Guidance & Assistance, Inc., (SGA), is searching for a Java Programmer for a CONTRACT assignment with one of our premier Financial Services clients in New York. NY .

We are looking for a Java programmer to work on strategic initiatives to scale and modernize our client platform to enhance client experience, effectively manage client risk and margin and maximize efficiency.

Responsibilities :

• We're seeking someone to join our team to face off directly with the Risk desk and work on projects in the quantitative development space.
• The candidate will work closely with the strats, understand their model and work with them to develop scalable performant solutions for initiatives such as factor backtest, clustering analysis etc.
• Work as a developer on projects focused on increasing the scalability of the system.
• Contribute to design and architecture discussions at a senior level.
• Maintain the platform by sharing support responsibilities with the rest of the team.
• Perform code reviews and help set good design and coding standards for the team.
• Mentor junior team members.

• Core Java, Google Protocol Buffers, Kafka, RocksDB, Hazelcast, Redis
• Distributed Caching, Concurrent programming, Design patterns & Testing Frameworks.
• 5 or more years of experience is the minimum requirement for this role. Experience with large scale trading or other mission critical high-performance systems will be preferred.
• Expert knowledge of the Java programming language and any mainstream JVM.
• Intermediate knowledge of common distributed architecture patterns.
• Good oral and written English communication skills are required for this role. A successful candidate must be able to work alongside the users and the wider developer community in the firm and should also be able to communicate effectively with them.

• Sybase/DB2 knowledge is highly desirable.
• UI skills - Angular / React is a plus.
• Working knowledge of developing applications on AWS or Microsoft Azure will be an added advantage.
• Experience in a team that follows SRE, TDD, and agile development practises will be an added advantage.

Job Title: Java Programmer
Clearance Required: Public Trust
Work Location: Remote

Alpha Omega is seeking a qualified Java Programmer for a remote position on our Federal Programs.

Key Responsibilities:

• 4-6 years of relevant experience.
• Design, develop, and maintain high-quality Java applications.
• Write clean, maintainable, and efficient code following best practices.
• Implement business logic and functionality into Java-based systems.
• Participate in the design and implementation of system components, considering performance and scalability.
• Perform debugging to identify and resolve issues and bugs.
• Conduct code reviews to ensure code quality and adherence to coding standards.
• Analyze and optimize application performance.
• Refactor existing code to improve performance and scalability.
• Participate in daily stand-ups, sprint planning, and code review sessions.

Required Qualifications:

Education:

• Bachelor's degree in Computer Science or similar discipline.

Experience/Skills:

• Experience with multiple Java versions (e.g., Java 8, Java 11, Java 17) and their respective features.
• Experience with relational databases (e.g., MySQL, PostgreSQL, Oracle) SQL Server preferred.
• Familiarity with JDBC, ORM frameworks like Hibernate, and writing complex SQL queries.
• Experience building web applications using Java-based frameworks such as Spring, Spring Boot, or Java EE.
• Understanding of web technologies such as RESTful APIs, SOAP, and MVC design pattern.
• Experience with Git or other version control systems for code management and collaboration.
• Experience working with cloud platforms like AWS, Azure, or Google Cloud.

Preferred Qualifications:

• Strong proficiency in Java, including object-oriented programming (OOP), multithreading, concurrency, and exception handling.
• Experience with OpenJDK and Wildfly,
• Deep knowledge of Apache Struts and open source technologies.
• Deep understanding of Java collections, streams, and functional programming principles (since Java 8).
• Knowledge of web technologies like Servlets , JSP , RESTful APIs , and WebSockets .
• Proficient with Git (GitHub, GitLab, Bitbucket), understanding branching, merging, and pull requests.
• Strong problem-solving and analytical thinking.
• Excellent communication and team collaboration abilities.

Salary and Benefit Information:

The likely salary range for this position is $110,000- $35,000. This is not, however, a guarantee of compensation or salary. There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, education and certifications as well as contract provisions regarding labor categories that are specific to the position and could fall outside of this range.

Application Deadline: 10/1/2025

Joining the Alpha Omega team entitles you to participate in all retirement benefits, plans of deferred compensation, health and insurance benefits, and other such benefits as set forth in the company's policy and benefits manuals. See below, to name a few:

• PTO including paid parental, military, and bereavement leave
• Eleven (11) paid Federal holidays, five of which are floating holidays (as designated by the company's holiday schedule each year)
• Health and Dental Insurance (including 100% employer paid premiums for employee coverage under the HDHP health plan)
• Life Insurance, STD/LTD term disability coverage, with employer paid premiums
• 401 (k) plan with a match that is 100% vested after you complete two years of service
• FSA/DFSA/HSA flexible benefit plans
• Annual Tuition & Professional Development Reimbursement benefit

We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Culture and Values:

Guided by our core values-Harmony, Engagement, Accountability, Resourcefulness, and Tenacity (HEART)- we foster a culture of innovation, collaboration, and continuous learning and are committed to delivering high-impact solutions. We recognize and reward hard work.

Through our H.E.A.R.T. Awards Program, colleagues and managers can recognize each other for actions that exemplify these values. Recognized employees receive a detailed nomination highlighting their contributions, which is shared with their manager. Each quarter, select nominees have the opportunity to receive a monetary bonus as an extra thank-you for their impact.

Our Company:

Alpha Omega is an award-winning Federal IT solutions provider dedicated to delivering mission-enabling technology and strategic solutions across the National Security, Federal Financial, Healthcare, and Space & Science domains. Since our founding in 2016, we have grown to over 800 employees nationwide with 230m in revenue. With the January 2025 acquisitions of SeKON and Macro Solutions, we have expanded our capabilities to further support our customers in digital modernization, artificial intelligence, and cybersecurity.

We are committed to supporting our agency partners as they transform their operations, delivering on our purpose to ensure the safety, security, and well-being of future generations:

• National Security - Supporting agencies such as the Department of Homeland Security (DHS) and the Department of State.
• Federal Financial - We bring deep expertise in enterprise financial systems, supporting agencies like the Securities and Exchange Commission (SEC) and the Federal Deposit Insurance Corporation (FDIC).
• Healthcare - Our Health IT capabilities, enhance health outcomes for the warfighter via the Defense Health Agency (DHA) and support public health initiatives at the Centers for Disease Control and Prevention (CDC), National Institutes of Health (NIH), and the Substance Abuse and Mental Health Services Administration (SAMHSA).
• Space & Science - We leverage technology to advance agricultural sustainability, secure our nation's food supply, and prepare for natural disasters, working with the National Oceanic and Atmospheric Administration (NOAA) and the United States Department of Agriculture (USDA).

Through strategic partnerships, intellectual property, and relentless drive for innovation, Alpha Omega is shaping the future of government technology. We are proud to be a Virginia Best Places to Work 8 times, an Inc. 5000 honoree 7 times, and a Washington Post Top Workplaces 4 times. Join us in driving transformation that secures the nation's future.

Alpha Omega Integration, LLC (Alpha Omega) is an Equal Opportunity Employer. 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, or any other protected class.

Are you eager to start a thriving career in tech but unsure how to bridge the gap between learning and getting hired? Whether you're a recent graduate, a self-taught programmer, or pivoting from a different profession, SynergisticIT can help you succeed in today's fast-moving tech industry.
We make your work on tech skills-we help you apply them, refine them, and turn them into job offers.
Why Join SynergisticIT?
Because learning to code is just the beginning. Getting hired requires more than just knowing Java or Python-it demands hands-on experience, a sharp portfolio, confidence in interviews, and industry-relevant skills that speak directly to recruiters.
Here's how we make that happen:
• Job-Aligned Projects
Our upskilling covers today's most in-demand tech domains, including:

• Full-Stack Java Development (Spring Boot, REST APIs, SQL, AWS)
• DevOps & Cloud Engineering (Docker, Jenkins, Kubernetes, Terraform, Azure/AWS/GCP)
• Data Science & Machine Learning (Python, Scikit-Learn, TensorFlow, model deployment)
• Data Analytics & BI (SQL, Excel, Power BI, Tableau, business KPIs)
• Data Engineering (Apache Spark, Databricks, ETL, Airflow, cloud data lakes and warehouses)

• CS grads who feel underprepared for the job market
• Career changers breaking into tech for the first time
• Self-taught learners seeking structure, feedback, and placement support
• Bootcamp grads looking to upskill, specialize, or get hired faster
• Real People. Real Jobs. Real Results.
• Explore how our candidates made the leap-from unsure to unstoppable:
  View Candidate Success Outcomes
• Hear from those who made it and see our community in action:
  Watch Placement Events & Advice Videos
• Want to know why tech companies don't always hire new CS grads-and how to fix it?
  Watch: Why CS Grads Get Overlooked

• CS grads who feel underprepared for the job market
• Career changers breaking into tech for the first time
• Self-taught learners seeking structure, feedback, and placement support
• Bootcamp grads looking to upskill, specialize, or get hired faster
• In an industry where hundreds compete for each tech role, SynergisticIT gives you the unfair advantage: skills, support, and a clear, guided path from learner to hired professional.
• Your tech career starts with one bold step. Let SynergisticIT walk the rest with you.
• Apply now, and let's get you hired.

• Enhance and maintain an existing Java-based application.
• Work across various components, including:
  • User interface (UI)
  • Reports (Power BI, SQL Report Builder)
  • Import tool functionality
  • PDF generation/viewer/attachments
  • Document and letter generation
  • Data source integration
  • Server configuration
  • Email alerts, workflows, and APIs
• Collaborate with end users and technical SMEs to understand requirements and implement solutions.
• Develop user training documentation for new application features.

• Java Platform
• SpringBoot
• Maven
• Angular
• Eclipse IDE
• MS SQL Server
• Apache Tomcat
• Power BI
• SQL Report Builder
• Linux-based hosting environments

• Strong verbal and written communication skills
• Ability to work independently and collaboratively
• Final on-site interview may be required
• US Citizenship

• Bachelors degree or Masters degree in Computer Science, Computer Engineering, Electrical Engineering, Information Systems, IT
• Highly motivated, self-learner, and technically inquisitive
• Experience in programming language Java and understanding of the software development life cycle
• Project work on the skills
• Knowledge of Core Java, javascript , C++ or software programming
• Spring boot, Microservices, Docker, Jenkins and REST API's experience
• Excellent written and verbal communication skills

• Bachelors degree or Masters degree in Computer Science, Computer Engineering, Electrical Engineering, Information Systems, IT
• Project work on the technologies needed
• Highly motivated, self-learner, and technically inquisitive
• Experience in programming language Java and understanding of the software development life cycle
• Knowledge of Statistics, SAS, Python, Computer Vision, data visualization tools
• Excellent written and verbal communication skills

Top Skills & Years of Experience:
- 10+ years of experience developing complex systems using Java, Spring Boot (3.0), Hibernate/JPA, and JEE technologies, with strong command over design patterns and SDLC practices.
- 5+ years of hands-on experience with Angular, React.js (ES6+), Redux, React Router, and modern JavaScript frameworks for building dynamic user interfaces and prototypes.
- Proficient in SQL, PL/SQL, Oracle, and SQL Server with deep experience in database design, stored procedures, performance tuning, and RESTful/SOAP web services
- 3+ years of experience creating CI/CD pipelines using Azure DevOps, with exposure to cloud platforms (AWS, Azure) and containerized deployments via OpenShift.
- Proven ability to leverage GitHub Copilot for code generation, refactoring, documentation, and embedding Copilot APIs into developer tools to boost productivity and collaboration.

Position Summary
• Write well-designed, testable code using spring MVC, Hibernate framework for entity object mapping,
JQuery/HTML5, JavaScript, HTML, XML,Angular
• Develop business application components using Object Oriented java/JEE technologies, design
principles .
• Design and develop RESTful Web Services using Spring Web MVC framework.
• Design, Develop and maintain applications using Apache Struts framework.
• Ability to implement design patterns like Intercepting Filter, Front Controller, Session Facade, DAO,
Singleton, and Service Locator
• Proficient in building and maintaining unit test framework with Junit and Spring Boot.
• Execute full software development life cycle (SDLC) including experience in gathering requirements
and writing functional/technical specifications for complex projects.
• Excellent knowledge in designing both logical and physical database model
• Develop database objects including stored procedures, functions,
• Troubleshoots issues using SQL, PL/SQL scripts
• Experience tuning SQL queries and scripts
• Hands on experience Integrating software components into a fully functional software system
• Extensive knowledge on source control tools such as GIT
• Experience on Build Frameworks like Maven, maintain source code using source control, and baseline
software versions and build war files for deployments
• Experience developing with application servers Apache Tomcat, JBOSS, Web Sphere,Openshift
Container
• Develop software design documents and work with stakeholders for review and approval.
• Experience developing, prototypes, mockup for users review and approval.
• Experience creating flowcharts, screen layouts and documentation to ensure logical flow of the system
requirements
• 2+ years experience with React.js and modern JavaScript (ES6+)
• Strong understanding of Redux, React Router, and component lifecycle
• Experience working on large agile projects.
• Experience with Java 8, SOAP Web-Services and Java Messaging Service (JMS) API.
• Experience with Spring Boot Projects, Spring Data, Spring Batch, Spring Security frameworks.

MGPS is seeking an experienced Senior Java programmer to join our team and contribute to the development of the back-end application for our donor sample and testing data system. The successful candidate will work closely with the program and software development manager to build and integrate systems that support the project objectives.

Responsibilities include the following:

• Work closely with the database lead to implement the program requirements.
• Optimize team's ability to understand the Spring framework.
• Work with testers to remediate findings.
• Possibly work with the security team to ensure app scans, web security, IDAM.
• Work closely with the program and software development manager to build and integrate systems to support the project.
• Provide programming support in Java, Spring to develop and modify application to support project needs.

Qualifications:

• Candidates must be US Citizens and reside in the DC metro area or be willing to commute for occasional in-person meetings.
• Bachelor's degree in Computer Science, Information Technology, or a related field.
• At least 5 years' experience in Java programming and software development, with a strong understanding of object-oriented programming principles.
• At least 5 years' experience with Spring framework and related technologies for building enterprise-level applications.
• Familiarity with database concepts and experience with SQL or NoSQL databases.
• Proficiency in web development technologies such as Java, Java Spring, Grails, and RDBMS/SQL.
• Experience working in an Agile development environment is preferred.
• Strong analytical and problem-solving skills, with the ability to troubleshoot complex issues and implement effective solutions.
• Excellent communication and collaboration skills, with the ability to work effectively in a team environment.

Position Requirements:

Our approved hire is required to complete a Public Trust approval (federal government background check) in order to be able to support this program.

Location: Work can be performed remotely, with occasional in-person meetings with client in Bethesda, MD.

Employment Type: Part-time position, 20 hours per week, for 6-month engagement. It is possible that this contract will be extended after the initial 6-month period.

Salary: $63-$65/hour, based on experience