Backend development jobs in alexandria, 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

Senior Full Stack Developer

Hybrid in Washington, District of Columbia

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4d 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

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

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

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

Library Support Backend Developer

Beltsville, Maryland

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2d ago

One Federal Solution is seeking an experienced Library Support Backend Developer to support the National Agricultural Library (NAL) Library Support System. The successful candidate will be responsible for backend application development, maintenance, modernization, and enhancement of database-driven applications and APIs. This role also includes applying artificial intelligence techniques to extract structured information from diverse scientific publications while supporting the modernization of

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

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

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

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

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

.Net / React Full Stack Developer

Washington, District of Columbia

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Today

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company within global Accenture. Recognized as a Glassdoor Top 100 Best Place to

Full-time

USD 78,600.00 - 160,200.00 per year

Senior Software Engineer

Washington, District of Columbia

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Today

VIA is making an impact, and so can you. Headquartered in Boston, VIA provides mission-critical software for secure data exchange and trustworthy AI without compromising speed, simplicity, or resilience. Its military-grade architecture helps defense, public safety agencies, and humanitarian organizations use AI while maintaining control of sensitive, distributed data even in contested or offline environments. Learn more: solvewithvia.com. An impressive mission requires an equally impressive S

Full-time

USD 160,000.00 - 190,000.00 per year

Cleared - Lead UI Software Engineer

Reston, Virginia

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12d 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 Development Engineer

McLean, Virginia

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Today

Job#: 3051209 Job Description: Software Development Engineer *Candidates must be able and willing to work in the US without requiring sponsorship now or in the future* Location: McLean, Virginia (Hybrid-2 days a week minimum) Role Overview We are seeking a Software Development Engineer for our chief technology office engineering team. This role involves building out the organization's Software-Defined Everything (SDE) platform to enable Physical AI, Edge, and Trusted Environments. The ideal

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Full-time

$80 - $110 per hour

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 Engineering Professionals - 25k Sign on Bonus

Columbia, Maryland

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Today

Leidos is seeking talented Software Engineers and Software Developers to support our Intelligence Sector's Cyber & Analytics Business Area (CABA). We have multiple opportunities across our Leidos-led prime programs supporting the Intelligence Community in the Fort Meade, Maryland area. We're offering $25,000 sign-on bonuses for these opportunities! Whether your expertise is in Java, Python, Cloud, Artificial Intelligence, Analytics, Front-End, Back-End, or Full-Stack Development, we are intere

Full-time

USD 131,300.00 - 237,350.00 per year

Engineering Manager, Frontier AI Infrastructure - Public Sector

Washington, District of Columbia

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Today

Scale AI's Public Sector business is growing quickly as government agencies adopt AI to support critical national security, defense, and public sector missions. We are seeking a hands-on Engineering Manager to lead our Frontier AI Infrastructure team within Public Sector Engineering. This is a 50/50 role: you'll spend roughly half your time writing and reviewing code, and half your time leading, coaching, and growing a small team of engineers. Your team owns the model inference layer - enabling

Full-time

USD 213,600.00 - 267,000.00 per year

Cloud Engineer -TS/SCI (or eligible)

Springfield, Virginia

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Today

Vibrint is a trusted provider of mission-critical systems and analysis that transform our customers' capacity and capability in harvesting and harnessing data. Working alongside many of the most talented professionals in public service, we work tirelessly to create and sustain new solutions and services that meet the stringent demands across a variety of customer missions. To meet growing client demand, we are continuously seeking top talent across our core competencies, building a strong pipel

Full-time

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

Backend development jobs in Alexandria, VA, USA