Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Back-end Developer

VTG Defense

Overview

We are seeking an experienced Senior Java Backend Developer to design, develop, test, and maintain scalable enterprise applications and backend services.

The successful candidate will have strong hands-on experience with Core Java, Spring, Spring Boot, Spring Data JPA, and RESTful API development. The Developer will work across the full application lifecycle, developing reliable backend solutions, integrating with relational and non-relational databases, implementing automated testing, and supporting applications within AWS and Linux environments.

What will you do?

  • Design, develop, enhance, and maintain enterprise Java applications and backend services.

  • Write clean, scalable, maintainable, and efficient Java code supporting business applications.

  • Develop applications utilizing Core Java, including:

    • Object-Oriented Programming (OOP)

    • Multithreading

    • JVM memory management

  • Design and develop backend applications using Spring and Spring Boot.

  • Develop and integrate RESTful APIs supporting web applications and enterprise services.

  • Utilize Spring Data JPA for database persistence and application data access.

  • Design, write, and optimize database queries across relational and non-relational databases.

  • Develop and maintain applications integrating with Oracle databases.

  • Deploy and support Java applications within Apache Tomcat environments.

  • Develop and support applications within Amazon Web Services (AWS) environments.

  • Work within Linux-based environments for application development, deployment, and troubleshooting.

  • Participate throughout the full Software Development Lifecycle (SDLC).

  • Troubleshoot application defects, performance issues, and integration problems.

  • Perform unit testing and application validation using JUnit and Mockito.

  • Participate in code reviews and promote Java development best practices.

  • Utilize source control, build, and CI/CD technologies including Git and Jenkins.

  • Collaborate with developers, engineers, analysts, and other technical stakeholders to translate business requirements into technical solutions.

Do you have what it takes?
  • Active TS/SCI with Polygraph
  • Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related technical discipline, or equivalent professional experience.

  • 7-10 years of professional software development experience.

  • Strong hands-on experience with Core Java.

  • Demonstrated understanding of:

    • Object-Oriented Programming (OOP)

    • Multithreading

    • JVM memory management

  • Strong experience with Spring Framework.

  • Experience with Spring Boot.

  • Experience with Spring Data JPA.

  • Demonstrated experience developing RESTful APIs using Java/Spring Boot.

  • Experience developing backend services supporting web applications.

  • Experience with Oracle databases.

  • Experience writing and optimizing database queries.

  • Experience working with Apache Tomcat.

  • Experience developing or supporting applications within AWS cloud environments.

  • Experience working within Linux environments.

  • Strong understanding of application lifecycle management and SDLC practices.

Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Senior Back-end Developer in McLean, VA vacancy
  •  ...Job Title: Senior Back End Web Developer Location: McLean, VA Company: BLN24 About Us: We find strength in teamwork-a better you is a better us BLN24 is an award-winning Management Consulting Firm that supports the U.S. Federal Government in successfully... 
    Senior
    Full time
    Remote work

    BLN24

    McLean, VA
    20 days ago
  • $160k - $225k

     ...optimization, and secure cloud infrastructure. We are looking for a Senior Backend Engineer who wants to build the infrastructure that...  ...driven systems using Apache Kafka and similar technologies. Develop real-time communication infrastructure using WebRTC, LiveKit,... 
    Senior
    Flexible hours

    BluJuniper

    Arlington, VA
    11 hours ago
  • Immigration runs on data scattered across a dozen government systems and nearly impossible to navigate alone. Lawfully turns it into clarity . We bring that data into a clean, live case timeline that millions of immigrants — and the law firms serving them — depend...
    Senior

    Lawfully

    Arlington, VA
    4 days ago
  •  ...Senior Backend Engineer The Platform team is the engine room of Antithesis — we own the infrastructure, services, and tools that are...  ...abstractions. You'll be designing them from scratch, owning them end-to-end, across the full stack: from raw binary formats and block... 
    Senior
    Contract work
    Work at office

    Antithesis

    Vienna, VA
    5 days ago
  •  ...Responsibilities End-to-end software development including analysis, planning, architecture, design, development, automated testing, deployment, and maintenance using industry best practices and security standards. Performance optimization - analyze system... 
    Senior

    3B Staffing LLC

    McLean, VA
    3 days ago
  •  ...Overview: Position Title * Sr. Backend Java Developer Position Responsibilities Role: Senior Backend Java Developer Location: McLean, VA - Onsite (5 days/week) | Local candidates only Key Responsibilities Design, build, and maintain backend services... 
    Senior
    Local area

    Guru Schools

    McLean, VA
    4 days ago
  • $120k - $200k

     ...Senior Software Engineer – Backend Arlington, VA We are looking for a Senior Software Engineer to join our backend team and play...  ...responsibility for backend domains or major features and drive them end-to-end from design through production with minimal oversight.... 
    Senior
    Remote work

    CaseGuard

    Arlington, VA
    2 days ago
  •  ...Senior Java Backend Developer Location: McLean, VA (Onsite – In-Person Interview Required) Duration: Contract (July 20, 2026 – December 31, 2026) Position Type: Contract (C2C) Work Authorization: Open to sponsored candidates through one-layer-deep sub-vendors only.... 
    Senior
    Contract work

    Argyle Infotech

    McLean, VA
    4 days ago
  • $30 - $53 per hour

    Ad Hoc LLC in the United States is seeking a Senior Software Engineer for Front End and Back End work in a remote, part-time role. You will contribute to modern, scalable software that supports government services. As a senior contributor, you will mentor engineers, influence... 
    Senior
    Remote job
    Part time
    Flexible hours

    Ad Hoc LLC

    Mc Lean, VA
    4 days ago
  •  ...thriving in a fast-paced, agile environment and implementing creative, scalable solutions. Ability to guide junior team members in developing clean, maintainable, and declarative code. Preferred Qualifications Top Secret clearance. AWS Professional or... 
    Senior
    Full time
    Work experience placement

    SteerBridge

    Vienna, VA
    2 days ago
  •  ...Job Description Job Description The Senior Backend Engineer designs, builds, and maintains...  ..., VA. Responsibilities: Design, develop, and maintain scalable backend services...  ...engineers, and product teams to deliver end-to-end solutions Contribute to system... 
    Senior
    Work at office
    Local area

    Pansophic Learning

    Tysons Corner, VA
    a month ago
  •  ...Generative AI / Backend Developer Remote (US-Based) Are you passionate about building AI-powered products and shaping the future of cybersecurity? Our client, a cutting-edge startup focused on AI-driven application security, is looking for a Generative AI / Backend... 
    Remote work
    Flexible hours

    Wimmer Solutions

    Tysons Corner, VA
    3 days ago
  • $200k

     ...Role: Senior Backend Engineer Location: Bellevue, WA Compensation: $200,000+ (depending...  ...Clarke are partnered with a venture-backed AI infrastructure company building the financial...  ..., and infrastructure to deliver features end-to-end. Help shape the next generation... 
    Senior
    Full time
    Immediate start

    Harrison Clarke

    Washington DC
    2 days ago
  • $100k - $150k

     ...Senior Backend Developer (Java / Integrations)   Location: Falls Church, VA (on-site in office, with partial telework flexibility) Full-...  ...technical direction, and work shoulder to shoulder with front-end developers, business analysts, project leadership, and the... 
    Senior
    Permanent employment
    Full time
    Work at office
    Remote work

    BizFlow

    Falls Church, VA
    more than 2 months ago
  •  ...Senior Full Stack Engineer — Backend Focus Location: Rockville, MD or Tysons, VA Work arrangement: Hybrid — 3 days onsite per week...  .... Work with AWS , including Lambda and RDS , to develop and operate cloud-based applications. Analyze database performance... 
    Senior
    Permanent employment
    Full time
    Temporary work
    Fixed term contract
    Immediate start
    3 days per week

    Unisys

    Rockville, MD
    1 day ago
  •  ...Senior Backend Software Engineer Function: Engineering Location: Metro DC Preferred (Hybrid: Tuesdays & Thursdays In-Office) Type: Full-Time (must be currently authorized to work in the United States) Reports To : VP of Engineering About Holokai... 
    Senior
    Full time
    Work at office

    Holokai

    Washington DC
    1 day ago
  • $145k - $175k

     ...missions we serve. Position Overview Werelooking for a Senior Software Engineer to design build andmaintainthe backend systems...  ...data infrastructure. Key Responsibilities Design develop and maintain scalable backend services and data pipelines that... 
    Senior
    Full time
    Contract work

    SteerBridge

    Vienna, VA
    1 day ago
  •  ...Senior Backend Software Engineer We are seeking a Senior Software Engineer to play a pivotal role in transforming a core financial...  ...environments ~ Strong sense of ownership and ability to work end-to-end from concept to production ~ Familiarity with collaborative... 
    Senior
    Local area

    Addison Group

    Washington DC
    2 days ago
  •  ...I have an opportunity for a "Senior Full Stack Developer ( UI Focused )" - (McLean, VA - Hybrid) and I...  ...Teams, Video Mandatory Front end focused role. 80% - 90% of the work will...  ...Angular) and having very little to no back end experience. A candidate... 
    Senior
    Contract work
    H1b
    Immediate start
    Remote work

    Navtech

    McLean, VA
    5 days ago
  •  ...Job Title: SENIOR FULL STACK ENGINEER Location: Mclean,VA Duration: 12+ Months...  ...consisting of two long-tenured senior developers, one junior developer who joined recently...  ...building maintainable and scalable front-end components Backend Requirements:... 
    Senior
    Contract work
    For contractors
    H1b
    Immediate start

    Btree Solutions

    McLean, VA
    2 days ago
  • $130k - $190k

     ...help doctors better manage their practices, so they can have time back to focus on what matters to them most.We operate with urgency,...  ...and Xendit, executives from Intuit, former Governors, White House senior staffers, and a co-founder of CityMD.Nitra maintains a hybrid... 
    Senior
    Full time
    Work at office
    Work from home

    Nitra, Inc.

    Washington DC
    2 days ago
  •  ...Senior Fullstack Developer Our client, a Financial company, is looking for a Senior Fullstack Developer for their McLean, VA/Richmond, VA/Plano, TX location. Requirements: ~ Tech Stack: Full-stack Software Engineer (Java, Python, Go, Javascript/Typescript), AWS... 
    Senior

    ICONMA

    McLean, VA
    2 days ago
  •  ...Spark AWS Ability to do production support, think through how to optimize performance Responsibilities: Design, develop, test, implement, and support technical solutions within an Agile development environment, utilizing distributed microservices... 
    Senior

    Unisys

    Rockville, MD
    3 days ago
  •  ...Senior Full Stack Engineer Are you passionate about pushing the boundaries of technology in the Gen AI space? Rohirrim is seeking...  ...with a focus on reliability, performance, and maintainability. Develop APIs and services in Nest.js/Node.js, integrating with... 
    Senior
    Flexible hours
    3 days per week

    Rohirrim

    McLean, VA
    5 days ago
  •  ...We are seeking a Senior Full Stack Developer with strong expertise in Java, Spring Boot, SQL, and MongoDB to design, develop, and maintain scalable enterprise applications. This role requires a hands-on technologist who thrives in complex environments, enjoys solving challenging... 
    Senior

    RIT Solutions, Inc.

    McLean, VA
    3 days ago
  •  ...Senior Full Stack Developer / Developer Workspace Engineer Plano, Texas OR McLean, Virginia (Onsite) 6+ Months Contract to Hire GC, USC...  ...software development, developer productivity engineering, and end-user technology expertise to enhance developer onboarding,... 
    Senior
    Contract work

    3B Staffing LLC

    McLean, VA
    5 days ago
  •  ...Position Title: Senior Full Stack Developer Location: McLean, VA - Fully Onsite Duration: 3 months Position Overview...  ...years of hands-on software development experience. Front end focused and strong back-end skills. Java, JavaScript Frameworks (such as... 
    Senior

    Mindlance

    McLean, VA
    5 days ago
  • $130k - $140k

     ...We are building a next-generation API Review Agent platform and developer tooling ecosystem. Our platform enables engineers to validate, review, govern, and automate API quality using AI-powered workflows. Our vision extends far beyond backend services - we are creating... 
    Senior
    Temporary work
    Remote work
    Flexible hours

    EPAM Systems Inc

    McLean, VA
    3 days ago
  •  ...assignment period. Must Haves: Must have strong Front End developer experience using Angular framework. Gradle and Jenkins...  ...software development - including server operations, front-end and back-end development, testing, verification and maintenance. Responsibilities... 
    Senior

    Argyll Infotech, Inc.

    McLean, VA
    4 days ago
  • Account Payable Automation Tech Stack: python, AWS, lambdas, building APIs and integrating them Nice to Have: aurora postgress, dynamo DB, microservices Years of Exp: 5+ - Project: in the B to B space most vendors are paid through check and want to move spend to credit...
    Hourly pay

    Software Technology Inc

    Vienna, VA
    5 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Back-end Developer. Be the first to apply!