Backend Developer jobs in Warrenton, VA

Ashburn, Virginia

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Today

Job ID: 2618996 Location: Ashburn, VA, US Date Posted: 2026-11-10 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is currently seeking a motivated, career and customer oriented, and hands on senior-level Java Backend Developer with cloud experience to join our team to begin an exciting and challenging care

Full-time

USD 140,001.00 - 180,000.00 per year

Java Backend Developer Junior

Ashburn, Virginia

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Today

Job ID: 2618700 Location: Ashburn, VA, US Date Posted: 2026-11-10 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is currently seeking a motivated, career and customer oriented, and hands on Junior-level Java Backend Developer with cloud experience to join our team to begin an exciting and challenging care

Full-time

USD 60,001.00 - 100,000.00 per year

API Backend Developer

Remote

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10d ago

Job DescriptionWe are looking for an experienced API Developer / API Engineer with strong expertise in API design, API security, and Python development. The ideal candidate will design, develop, secure, and maintain scalable RESTful APIs and integrations for enterprise applications.Key ResponsibilitiesDesign and develop scalable REST APIs and backend services.Develop APIs using Python and frameworks such as FastAPI, Flask, or Django.Define API standards, architecture, request/response structures

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Contract

30 - 40

Backend Software Developer

Remote

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Today

The Software Developer (Backend) provides subject matter proficiency for our USAF mission. This role is responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements. Shall perform engineering tasks for back-end design and development efforts including, but not limited to, developing back-end architectures to support current and new system capabilities and integrations, RESTful API development and modification, database management

Full-time

Depends on Experience

Senior Backend Developer, Data Platform

Reston, Virginia

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Today

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what's happening now and shape what's coming next. Vantor is a place for problem solvers, changemakers, and go-getters-where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can: Shape your own future, build the next big thing, and change the world. This position requires a

Full-time

Senior Backend Developer, Data Platform (TS/SCI with CI Poly)

Reston, Virginia

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Today

Full-time

Senior Java Backend Developer

Remote

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2d ago

Client is looking a Senior Software Engineer with extensive experience in modernizing business systems using Java and Spring Boot. You will help transition an existing Microsoft Power Platform application to a Java Spring Boot backend supporting a React frontend. The role focuses on hands-on backend development, working collaboratively with the internal team, which already provides React frontend development capacity. Key Responsibilities Design and develop secure, maintainable backend servic

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Contract, Third Party

$65 - $75

Lead Back-End Java Developer

Remote or Tampa, Florida

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Lead Back-End Java Developer in Tampa, FL. Summary: We're looking for an experienced Back-End Java Software Engineer to design and develop mission-critical applications supporting complex warehouse automation and material handling environments. This is a senior, hands-on engineering role focused on Java back-end development, system integrations, databases, distributed applications, and technical leadership. What You'll Do: * Design, devel

Full-time

$120,000 - $140,000 annually

Senior Java Backend Developer with Intex and Banking exp- No C2C

Remote

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2d ago

Corusconsulting is looking for a Senior Java Backend Developer with Intex and Banking Exp Role Overview We are seeking a highly skilled Java Backend Developer with strong hands-on experience in Java, Spring Boot, Microservices, and Intex-related banking applications. The ideal candidate will have extensive experience developing enterprise-level backend systems within the banking and financial services domain, including application integration, financial transactions, and secure, scalable API dev

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Contract

Depends on Experience

Java Backend Developer

Remote

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20d ago

Job Title: Java Backend Developer Location - Remote Role Overview The Technical Lead will be a hands-on Engineer who will also own architecture, integration design, engineering standards, code quality, and technical delivery for a Java/Spring Boot microservice supporting the Debt Management System platform. Key Responsibilities Lead technical design for Java/Spring Boot microservices, REST APIs, event-driven workflows, and service integrations. Guide code quality, pull request reviews, testi

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Contract

Depends on Experience

Junior Java Backend Developer

Remote

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2d ago

Position: Junior Java Backend Developer Location: Remote Must support PST time zone Experience: 02 Years (Not more than 2 Years) is looking for a talented and motivated Junior Java Backend Developer with strong fundamentals in Java, Data Structures, and Algorithms. The ideal candidate will be a recent graduate or early-career professional from a reputed university, preferably among the Top 100 universities in the USA, with a strong academic record and a passion for backend development. Bachelo

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Full-time

Depends on Experience

Lead Java Developer

Remote

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Today

Solution IT Inc. is looking for a Lead Java Developer for one of its clients Remote Job Title: Lead Java Developer Responsibilities: Leads and participates in retrospectives, demonstrating and encouraging each participant to provide feedback with empathy. Participate in high-level and low-level component and system designs. Participate in performance improvements and tech review meetings. Partners in collaboration and strategy alignment across product portfolios (cross-product) in partnership

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Third Party, Contract

Backend Developer

Reston, Virginia

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Today

Welcome to Verdantas, where innovation meets sustainability, and your career finds purpose! At Verdantas, we're redefining environmental consulting and sustainable engineering through our use of cutting-edge modeling and digital technology and our genuine commitment to people. Our work spans high-growth sectors like water resources, resilient land use, energy transformation, and civil infrastructure. Our commitment to excellence, across more than 90 offices, is championed by a team of over 2,0

Full-time

USD 160,000.00 - 185,000.00 per year

Senior Back-End Developer

Chantilly, Virginia

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Today

Overview We are seeking a Java Backend Software Engineer to join a team of developers and cloud engineers responsible for enhancing legacy Public Key Infrastructure (PKI) systems and developing new solutions to support evolving mission requirements. The successful candidate will develop scalable backend applications, integrate systems through APIs, and support the design and implementation of PKI solutions across multiple networks. The team operates within an Agile Scrum framework, delivering

Full-time

Java Backend Developer

Remote

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Today

We are looking for strong Java back-end developers as we move forward in the project in JAVA tech stack involving Restful Webservices and Soap Webservices. The project revolves around a lot of data coming from various sources, so strong SQL knowledge and interpretation of complex SQL queries is a must. Mandatory skills: Must have strong, hands on experience on: Strong hands-on understanding of Java 8 Hands-on experience on micro-services and webservices development (both SOAP and REST) Hands on

Full-time

USD 55.00 - 65.00 per hour

Senior Backend .NET Developer

Remote

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Today

Job Title: Senior Backend .NET Developer Job Location: Remote Job Type: Full Time Job Description: Develop backend services and REST APIs using C# and .NET. Build business and domain logic using SOLID and Clean Architecture principles. Work with Entity Framework Core, LINQ, SQL Server, and Azure SQL. Design integrations with enterprise and third-party systems. Implement asynchronous processing, background services, and messaging. Work with Azure Service Bus and other messaging technologies. I

Full-time

Java Full Stack Developer - AWS Cloud Migration

Hybrid in Reston, Virginia

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Yesterday

Company Description Lumen SolutionsGroupInc. is a technology consulting Services Company based inFlorida. Weprovidea wide array of experienced business and IT professionals supporting clients from solution design to implementation and support.We specialize in professional IT consulting services, IT Staffing, Business/IT Strategy, Business Process Blueprints, Enterprise Architecture, EnterpriseTransformation. Job Title:Java Full Stack Developer - AWS Cloud Migration Location: Reston, VA Hybrid

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Contract

Depends on Experience

SR SOFTWARE ENGINEER

Remote

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16d ago

Seeking an experienced Full Stack Engineer with strong backend and AI development experience to provide temporary engineering capacity supporting the development of digital tools for the Enterprise Architecture practice and Architecture Assurance process. The resource will work with Architecture and engineering teams to develop and integrate backend services, data capabilities, user-facing functionality, and AI-enabled features. Work will include developing capabilities that make Architecture st

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Third Party, Contract

$75 - $84

AI Backend Engineer, Artificial Intelligence (AI) Required, Work From Home - G

Remote

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Today

AI Backend Engineer, Artificial Intelligence (AI) Required, Work From Home We are looking for talented AI Backend Engineers to build systems that power AI-driven decisioning, automation, and orchestration across our platform. This role sits at the core of our AI stack, between models, backend systems, and real users, where latency, correctness, reliability, and cost directly impact production experience. This is a fully remote position where you will be part of a global engineering team working

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Full-time

140000 - 200000

Backend Software Engineer - Python & Pipeline Orchestration (Cloud / AI Platform)

Remote

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Today

Backend Software Engineer - Python & Pipeline Orchestration (Cloud / AI Platform) W2 Contract Pay Rate: $60 - $70 per hour Location: Cupertino, CA - Remote Role Job Summary: We are seeking a highly skilled Backend Software Engineer to join our platform engineering team focused on building scalable data and machine learning pipeline orchestration services within our internal cloud ecosystem. This role sits at the intersection of backend engineering, data platforms, and infrastructure, enabli

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Contract

$60 - $70 per hour

Backend Developer jobs in Warrenton, VA, USA