Backend development jobs in fairfax, va

Founding Software Engineer (Immidiate Start)

Reston, Virginia

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Today

A Northern Virginia-based start-up is looking for a Founding Software Engineer to join their company, and, if possible, join as soon as possible. Ideal candidates for this position will have previous start-up experience and have had a significant hand in product development. Ideal candidates will spend the majority of their time doing backend development in a Go environment. Candidates will be asked to work hybrid in Northern Virginia. Any exposure to deployment or pipeline development is a plus

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Full-time

$180000 - $200000

Software Development Engineer II - Back-End (Mission-Focused | ArcGIS)

Vienna, Virginia

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Today

Overview Join Esri`s team and build backend systems that power mission critical geospatial applications supporting Defense and Intelligence operations. As a Software Development Engineer II, you will design and develop scalable backend services and APIs that enable complex data processing, system integration, and real time analytics. Your work will directly support high impact operational systems, helping organizations transform large scale data into actionable insights. You will collaborate w

Full-time

USD 97,240.00 - 162,240.00 per year

Senior Front End Developer

Chantilly, Virginia

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Today

Overview We are hiring an experienced Front-End JavaScript Developer to join our software development team in Chantilly, VA. The ideal candidate will have a strong foundation in JavaScript development, experience building modern web applications, and the ability to collaborate with cross-functional engineering teams to deliver scalable, reliable, and user-friendly software solutions. This position requires hands-on front-end development experience, strong problem-solving skills, and an underst

Full-time

USD 180,000.00 - 240,000.00 per year

PHP/JavaScript Developer

Chantilly, Virginia

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Today

Razor is seeking an experienced PHP/JavaScript Developer to support critical web infrastructure projects for a longstanding customer. This role will develop, enhance, and maintain web applications and websites, working across both front-end and back-end technologies to deliver complete technical solutions. Clearance Requirements ctive TS/SCI with Polygraph required. Location & Work Arrangement Chantilly, VA Key Responsibilities Develop, enhance, and maintain websites and web applications. Wri

Full-time

USD 155,000.00 - 175,000.00 per year

Software Engineer Level 5

Reston, Virginia

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Today

Requisition ID: 5168Standard Title: Principal Software EngineerRequired Security Clearance: Top Secret/SCI with CI PolygraphLocation: Reston, VAWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Base-2 Solutions is seeking a Software Engineer Level 5 to develop, maintain, and enhance complex and diverse software systems supporting mission-focused environments. This role is centered on backend development, data engineering, and API develop

Full-time

Software Engineer Level 4

Reston, Virginia

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Today

Requisition ID: 5165Standard Title: Software EngineerRequired Security Clearance: Top Secret/SCI with CI PolygraphLocation: Reston, VAWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Base-2 Solutions is seeking a Software Engineer Level 4 to develop, maintain, and enhance complex and diverse software systems supporting mission-focused environments. This role is centered on backend development, data engineering, and API development, with

Full-time

Senior Full Stack Developer

Hybrid in Washington, District of Columbia

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3d ago

We are seeking an experienced Senior Full Stack Developer to support its Digital Modernization initiative. This role focuses on designing, developing, deploying, and maintaining highly available, secure, and scalable enterprise applications using Microsoft Azure and modern full-stack technologies. The selected candidate will work on mission-critical applications that support internal business operations and public-facing services. The initial project involves enhancing and integrating a public-f

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Full-time

70 - 85

Founding Engineer / Forward Deployed / Golang

Herndon, Virginia

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Today

An early-stage AI company in Herndon, VA is hiring a Founding Forward Deployed Software Engineer for a full-time position. This is a hybrid opportunity requiring three days per week onsite. You'll work across backend engineering, cloud infrastructure, and customer deployments using Go, Python, Kubernetes, AWS, and PostgreSQL. This role sits directly between the engineering team and the customers using the platform. Rather than simply handing requirements to another team, you'll work with custome

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Full-time

$180000 - $200000

Cleared - Lead UI Software Engineer

Reston, Virginia

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11d ago

ACTIVE SECRET OR TOP SECRET CLEARANCE REQUIREDThe OpportunityStaffRight Associates is recruiting for a premier Aerospace & Defense client based in the Reston, Virginia area. The client needs a Lead UI Software Engineer to head a five-person team of developers and designers. The team builds advanced browser-based platforms for simulation and optimization software that recreates intricate physical systems. The client's engineers work in small, tight-knit groups alongside research scientists and fe

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Full-time

150000 - 175000

Software Engineer Level 5

Washington, District of Columbia

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Today

Requisition ID: 5381Standard Title: Principal Software EngineerRequired Security Clearance: Top Secret/SCI with CI PolygraphLocation: Washington, DCWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Base-2 Solutions is seeking a Software Engineer Level 5 to develop, maintain, and enhance complex and diverse software systems supporting mission-focused environments. This role is centered on backend development, data engineering, and API dev

Full-time

Software Engineer Level 4

Washington, District of Columbia

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Today

Requisition ID: 5463Standard Title: Software EngineerRequired Security Clearance: Top Secret/SCI with CI PolygraphLocation: Washington, DCWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Base-2 Solutions is seeking a Software Engineer Level 4 to develop, maintain, and enhance complex and diverse software systems supporting mission-focused environments. This role is centered on backend development, data engineering, and API development,

Full-time

Web Application Developer

Reston, Virginia

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Today

Job ID: 2618095 Location: Reston, VA, US Date Posted: 2026-10-19 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description QVine, an SAIC company, is seeking an experienced Full Stack Web Application Developer to join our team. This role involves hands-on technical expertise in building modern, scalable web applications

Full-time

USD 180,001.00 - 220,000.00 per year

Software Engineer

Sterling, Virginia

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Today

Job Description We are seeking an experienced Full Stack Developer to join our team! As a Full Stack Developer, you will play a critical role in designing, developing, and deploying sophisticated enterprise computing infrastructure, including web applications, network infrastructure, and cloud services. This is a fast-paced, challenging, and rewarding opportunity to work on a complex and high-profile program. You should have a bachelor's or master's degree and a minimum of 11 years of relevant

Full-time

Senior Consultant, Full Stack Software Engineer (Node.js/React/Typescript/AWS)

McLean, Virginia

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Today

*Candidates must be local to the Washington D.C. metro area and must possess work authorization which allows them to be hired as a full-time Infinitive employee without the need for Visa sponsorship. About Infinitive: Infinitive is a data and AI consultancy that helps clients modernize, monetize, and operationalize their data to generate lasting value. They pride themselves on their deep industry and technology expertise, ensuring that they drive and sustain the adoption of new capabilities. I

Full-time

USD 85,000.00 per year

Backend Software Engineer 3 - Reston Hybrid 2 Days - FreeWheel

Reston, Virginia

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Today

FreeWheel, a Comcast company, provides comprehensive ad platforms for publishers, advertisers, and media buyers. Powered by premium video content, robust data, and advanced technology, we're making it easier for buyers and sellers to transact across all screens, data types, and sales channels. As a global company, we have offices in nine countries and can insert advertisements around the world. Job Summary FreeWheel is looking for passionate Sr. Software Engineers to help design, build and supp

Full-time

USD 120,212.52 - 180,318.78 per year

Web Developer

Chantilly, Virginia

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Today

Job Description FusionInnovation's recent growth has earned us a top spot in the Inc 5000 FastestGrowing Private Companies in America and in Washington Business Journal's BestPlaces to Work multiple years in a row. Our team members are passionate abouttheir work and are empowered to contribute their unique skills and perspectivesto our projects. Here at Fusion, we put people first. When you join us, youdon't just join a company, you join a family. If you are ready to be part of afun and engagin

Full-time

USD 100,000.00 - 215,000.00 per year

Full Stack Engineer (Node/React) - Remote USA

Remote or Reston, Virginia

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11d ago

The Team Our Health Engineering Solutions (HES) team works side by side with customers to articulate a vision for success, and then make it happen. We know success doesn't happen by accident. It takes the right team of people, working together on the right solutions for the customer. We are looking for a seasoned Full Stack Engineer who will be a key driver to make this happen. Our team supports the vision to improve patient quality care and consumer decision-making by hospital providers across

Full-time

USD 98,614.00 - 202,850.00 per year

Software Engineer

Chantilly, Virginia

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Today

Overview Software Engineer Chantilly, VA TS/SCI with Poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it's architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because of the expertise, collaboration, and agility of our teams. Our Mission Services division combines enterprise IT, cloud solutions, DevSecOps, systems engineering, software development, and operational support.Bcore accelerate

Full-time

USD 175,000.00 - 195,000.00 per year

Software Engineer

Reston, Virginia

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Today

Job Description We're seeking a Software Engineer for a client in Northern Virginia! In this role, you'll join a collaborative team focused on developing and supporting backend applications, APIs, and enterprise integrations that support operations in the mortgage industry. You'll partner closely with product managers, business stakeholders, and fellow engineers to deliver scalable, reliable technology solutions. The ideal candidate is a self-driven developer who loves to troubleshoot and has a

Full-time

Sr. C++ Software Engineer - (Reston, VA - Hybrid 2 Days)- FreeWheel

Reston, Virginia

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Today

Full-time

USD 141,850.78 - 212,776.16 per year

Backend development jobs in Fairfax, VA, USA