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Senior Java Backend Developer Jobs in Columbia, MD

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

SR JAVA FULL STACK DEVELOPER (AWS / EKS / Angular) Location: Hybrid -- Reston, VA (20190) (90 ... Pure backend candidates won't be a fit: the team needs engineers who can flex across the stack as ...

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

SR JAVA FULL STACK DEVELOPER (AWS / EKS / Angular) Location: Hybrid -- Reston, VA (20190) (90 ... Pure backend candidates won't be a fit: the team needs engineers who can flex across the stack as ...

West 4th Strategy

Backend Developer

Bethesda, MD · On-site

Implement and maintain Java Spring Boot microservices aligned to Government-approved requirements ... Strong backend engineering competencies in secure microservice development, API enablement, and ...

West 4th Strategy

Backend Developer

Bethesda, MD · On-site

$100 - $125/hr

Implement and maintain Java Spring Boot microservices aligned to Government-approved requirements ... Strong backend engineering competencies in secure microservice development, API enablement, and ...

West 4th Strategy

Backend Developer

Bethesda, MD · On-site

Implement and maintain Java Spring Boot microservices aligned to Government-approved requirements ... Strong backend engineering competencies in secure microservice development, API enablement, and ...

InterSources Inc

Senior JAVA Developer

Washington, DC · On-site

$64.50 - $82.25/hr

The Senior JAVA Developer will design, develop, and test applications using JAVA technologies ... Required : • 10+ years of genuine core JAVA development with strong back-end development skills ...

AHU Technologies, Inc.

Sr Java Developer

Washington, DC · On-site

$80 - $85/hr

TITLE: Sr Java Developer LOCATION: Washington, DC/ Onsite Employment type: Contract w2/1099/C2C ... strong back-end development. Required 10 Years • JAVA - Annotations, Generics, Reflection ...

SmartIPlace

Senior Java Developer

Mclean, VA · On-site

$57.75 - $73.75/hr

Senior Java Developer Location: McLean, VA Interview Type: On-site interview Requirement Senior Java Developer ICM BTO enterprise models technology needs a senior java developer to support growing ...

Jobsbridge

Senior Java Developer

Washington, DC · On-site

$64.75 - $82.75/hr

Ability to work closely with business users, other developers and QA. Capable of multi-tasking and ... Qualifications RAPTOR (WPF/C# UI & Java backend),SQL,QA. Additional Information Multiple Openings ...

Spatial Front, Inc

Backend Developer

Arlington, VA · On-site

... Java, Python, or Node.js. • Build and maintain relational and NoSQL database schemas, queries ... Computer Science, Engineering, or related field. • 3 years of backend development. • ...

Damco Solutions

Senior Java Developer (10+ years)

Mclean, VA · On-site

$58 - $74/hr

Damco Solutions is seeking a Senior Java Developer with over 10 years of experience in software ... The role involves designing, developing, and maintaining backend services using Java and AWS, while ...

Leidos

Sr. Java Developer

Bethesda, MD · On-site

$61 - $78/hr

Leidos has an exciting opportunity for a Sr. Java Developer in their Intel Security Sector ... Responsibilities : • Design, develop, test and maintain high-performance, scalable backend ...

Leidos

Senior Java Software Engineer

Annapolis Junction, MD · On-site

$137K - $180K/yr

Leidos has a new and exciting opportunity for a Senior Java Software Engineer in our Intelligence ... If you're passionate about backend engineering, modern Java development, scalable architectures ...

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Senior Java Backend Developer information

See Columbia, MD salary details

$63.5K

$138.8K

$189.1K

How much do senior java backend developer jobs pay per year?

As of Sep 9, 2026, the average yearly pay for senior java backend developer in Columbia, MD is $138,776.00, according to ZipRecruiter salary data. Most workers in this role earn between $119,600.00 and $155,300.00 per year, depending on experience, location, and employer.

What is a senior Java backend developer?

A Senior Java Backend Developer is responsible for designing, implementing, and maintaining the server-side logic of applications using Java. They work with databases, APIs, and cloud services to ensure high performance and scalability. Additionally, they collaborate with front-end developers, DevOps teams, and business stakeholders to deliver robust and secure solutions. Seniors are expected to mentor junior developers and contribute to architectural decisions and best practices.

What are the typical daily responsibilities of a senior Java backend developer?

Senior Java Backend Developers usually spend their days designing and implementing backend components, reviewing code, and optimizing system performance. You may take part in architecture discussions, mentor junior developers, and troubleshoot complex technical issues. Collaboration with front-end developers, QA testers, and project managers is frequent to ensure seamless integration and successful product delivery. Additionally, you might be responsible for maintaining system documentation and keeping up-to-date with new technologies relevant to backend development. Overall, the role combines hands-on coding with leadership and cross-functional teamwork.

What are the key skills and qualifications needed to thrive in the senior Java backend developer position, and why are they important?

To thrive as a Senior Java Backend Developer, you need deep knowledge of Java, object-oriented design, RESTful APIs, and database systems, typically backed by a degree in computer science or related field and several years of relevant experience. Expertise in frameworks like Spring, ORM tools such as Hibernate, version control systems like Git, and, often, certifications such as Oracle Certified Professional Java Programmer are valued. Strong problem-solving, leadership, and clear communication skills help in mentoring junior developers and collaborating across teams. These competencies ensure robust, scalable backend solutions and effective team coordination in complex software projects.

What are popular job titles related to Senior Java Backend Developer jobs in Columbia, MD?

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Senior Java Backend Developer jobs near you

Sr Java Full Stack Developer

Reston, VA • On-site

System One Holdings, LLC
Business Consulting Services • 5 - 10K employees
Learn more about System One Holdings, LLCexternal

$81.06/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 10 days ago

Job description

SR JAVA FULL STACK DEVELOPER (AWS / EKS / Angular)
Location: Hybrid - Reston, VA (20190) (90% remote - 4 to 6 onsite meetings a year)
Type: Contract
Schedule: 40 hours/week
Pay (W2): USD $97.00/hr
JOB OVERVIEW
We're seeking a Senior Java Full Stack Developer to a strategic cloud modernization initiative (deliverables targeted through the end of 2026). This role is focused on replatforming/migrating existing services - moving Java REST services currently deployed on-prem into AWS (EKS) - while continuing to support a modern Angular front end.
This is a backend-leaning full stack role (70% backend / 30% frontend). Pure backend candidates won't be a fit: the team needs engineers who can flex across the stack as priorities shift and who can demonstrate real front-end experience plus strong aptitude.
WHAT YOU'LL DO
  • Perform hands-on design, coding, testing, and support of complex enterprise applications at scale
  • Help migrate and modernize Java REST services from on-prem to AWS EKS
  • Build and maintain Java web services and integration layers between UI and data sources
  • Contribute to the Angular front end as needed (this is not a UI-only role, but UI contribution is required)
  • Work with databases including MongoDB and Aurora PostgreSQL (similar enterprise DB experience is acceptable)
  • Implement and execute automated testing and quality practices (including Playwright)
  • Support CI/CD, code quality, and DevOps-aligned delivery standards
  • Provide production support, troubleshoot critical issues, and drive continuous improvement
  • Participate in scoping/architecture conversations and mentor junior engineers as needed

REQUIRED QUALIFICATIONS
  • Bachelor's degree in IT/Computer Science (or additional relevant experience in lieu of degree)
  • 5+ years of software engineering experience across the SDLC (requirements, design, build, test, and support)
  • Full stack experience with a backend-heavy focus (70/30 backend/frontend)
  • Java 17+ required (environment currently using Java 21)
  • Angular 17+ required (currently on Angular 18, targeting newer versions)
  • AWS is a hard requirement, including multiple years deploying and managing EKS
  • Experience migrating/replatforming services from on-prem to AWS
  • Strong experience with modern engineering practices: CI/CD, automated testing, agile delivery, and code quality standards

NICE TO HAVE
  • AWS certifications (especially AWS Developer or AWS Solutions Architect) - "highly preferable"
  • Experience with AWS AI/coding assistants (e.g., Amazon Q, Kiro) and an AI-first engineering mindset

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
Ref: #851-Rockville-S1
#M-M2
#LI-
Ref: #851-Rockville-S1
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About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

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