Senior Backend Developer jobs in Warrenton, VA

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 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

Senior Java Backend Developer

Remote

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9d ago

Senior Java Backend Developer Location: Remote must work Pacific Time (PST/PDT) hours Experience: 8+ years Employer: ZAPCOM Role Overview ZAPCOM is seeking a Senior Java Backend Developer to support a client engagement. The ideal candidate will have strong hands-on experience building scalable backend services, developing REST APIs, and delivering reliable applications in a distributed environment. Key Responsibilities Design, develop, and maintain backend applications using Java and Spring Boo

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Full-time

100,000 - 130000

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

Senior Software Engineer

Remote

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15d ago

Job Title: Senior Software Engineer Duration: 6-12+ Months CTH Location: Redwood City, CA (Remote) Position Summary: We are building and operating a unique software stack of cloud infrastructure, software services, APIs, web and mobile interactive interfaces, and AI-driven data analytics pipelines to deliver life-saving results in the highly complex infectious disease landscape. We believe the success of client products is driven by both our unique technology and the elegance of the software

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Contract, Third Party

50 - 60

Back-End Software Developer

Chantilly, Virginia

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Today

Overview VTG is seeking a talented and experienced Back-End Software Developer to join our dynamic and innovative team in Chantilly, VA or Herndon, VA. As a Back-End Software Developer, you will play a key role in designing, developing, and maintaining high-quality software applications. You will work closely with cross-functional teams to understand requirements, translate them into technical solutions, and deliver innovative software products that meet customer needs. What will you do? Desin

Full-time

Backend Developer - Node JS/ TypeScript / React / AWS

Remote

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7d ago

Position: Senior Backend Developer Node.js / TypeScript / React / AWS Company : Yottaflex AI Technologies Location: Remote Employment Type: Contract Duration: 612 Months (Potential Extension) Job Description We are looking for a highly experienced Senior Full Stack Developer with strong hands-on Node.js and TypeScript backend development experience to design, develop, and deploy scalable enterprise applications. The ideal candidate must be backend-strong while also having solid experience with

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Contract, Third Party

Depends on Experience

Sr. C++ Backend Engineer - Hybrid 2 Days Reston, VA - 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 141,850.78 - 212,776.16 per year

Senior Backend Engineer

Remote

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Today

Who we're looking for As a Senior Backend Engineer, you'll be joining an impactful team of highly skilled engineers who are building the core platform features and services to fuel our rapidly growing company! As a team, we are always working to continuously improve both our product and our craft. The Backend team will focus on developing world-class services and integrations, all the while ensuring to keep our apps secure, high-performing, and most importantly scalable (we're growing!). We're l

Full-time

USD 170,000.00 - 195,000.00 per year

Senior Lead Software Engineer, Backend

Remote

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Today

At DraftKings, AI is becoming an integral part of both our present and future, powering how work gets done today, guiding smarter decisions, and sparking bold ideas. It's transforming how we enhance customer experiences, streamline operations, and unlock new possibilities. Our teams are energized by innovation and readily embrace emerging technology. We're not waiting for the future to arrive. We're shaping it, one bold step at a time. To those who see AI as a driver of progress, come build the

Full-time

USD 160,700.00 per year

Django Backend Lead Developer

Remote

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3d ago

Role : Django Backend Lead Developer Location: (Remote) Job Summary: We are seeking an experienced Django Backend Lead Developer to join our team. The ideal candidate will have a strong background in backend development, cloud technologies, and big data processing. This role involves leading technical projects, mentoring junior developers, and ensuring the delivery of high-quality solutions. Key Responsibilities: Lead the development of backend systems using Django/Databricks. Design and impleme

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Contract

Depends on Experience

Django Backend Lead Developer

Remote or North Carolina

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Today

Job Title: Django Backend Lead Developer Location: Jersey City, NJ/Charlotte, NC (Remote) Job Summary We are seeking an experienced Django Backend Lead Developer to join our team. The ideal candidate will have a strong background in backend development, cloud technologies, and big data processing. This role involves leading technical projects, mentoring junior developers, and ensuring the delivery of high-quality solutions. Key Responsibilities Lead the development of backend systems using Djang

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Contract

Senior Software Engineer, Backend | Audit Product Team

Remote

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Today

Machinify is a leading healthcare intelligence company with expertise across the payment continuum, delivering unmatched value, transparency, and efficiency to health plan clients across the country. Deployed by over 85 health plans, including many of the top 20, and representing more than 270 million lives, Machinify brings together a fully configurable and content-rich, AI-powered platform along with best-in-class expertise. We're constantly reimagining what's possible in our industry, creatin

Full-time

USD 200,000.00 - 230,000.00 per year

Lead : Python Backend Developer (Healthcare / Claims)

Remote

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Yesterday

Lead Python Backend Developer AWS & AI (Healthcare / Claims) Position: Lead Python Backend Developer AWS & AI Experience: 12+ Years Employment Type: Full-Time Domain: Healthcare / Health Insurance / Claims Mandatory About the Opportunity We are looking for a strong hands-on Python Backend Development Lead with extensive experience in AWS Cloud, Microservices, Distributed Systems, and AI-Assisted Development. The ideal candidate must have deep expertise in Python backend engineering, experie

Easy Apply

Full-time

Depends on Experience

Lead : Python Backend Developer (Healthcare / Claims)

Remote

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3d ago

Easy Apply

Full-time

Depends on Experience

Senior Backend Software Engineer

Remote or San Francisco, California

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Today

Senior Backend Software Engineer Company Description Swish Analytics is a sports analytics, betting and fantasy startup building the next generation of predictive sports analytics data products. We believe that oddsmaking is a challenge rooted in engineering, mathematics, and sports betting expertise; not intuition. We're looking for team-oriented individuals with an authentic passion for accurate and predictive real-time data who can execute in a fast-paced, creative, and continually-evolving

Full-time

USD 150,000.00 per year

Senior Backend Engineer

Remote or Stamford, Connecticut

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Yesterday

RESPONSIBILITIES: Kforce has a client near Stamford, CT that is seeking a Senior Backend Engineer who will work across engineering, product, analytics, and operations to architect durable serverless systems, develop clean and reliable Python services, and power mission-critical workflows such as claims processing, eligibility ingestion, episode creation, provider search, and care coordination. Location: Remote within the U.S. The team is based near Stamford, Connecticut, and candidates must be

Full-time

$150,000 - $190,000 annually

Senior Backend Engineer

Remote or Nashville, Tennessee

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Yesterday

RESPONSIBILITIES: Kforce has a client that is seeking a Senior Backend Engineer who will work across engineering, product, analytics, and operations to architect durable serverless systems, develop clean and reliable Python services, and power mission-critical workflows such as claims processing, eligibility ingestion, episode creation, provider search, and care coordination. Location: Remote within the U.S. The team is based near Stamford, Connecticut, opening an office soon near Nashville, TN

Full-time

$150,000 - $190,000 annually

*Senior Full Stack Engineer (Backend focused - Nodejs, Javascript, AWS exp.) - W2 role

Remote

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3d ago

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details Posi

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Contract, Third Party

Depends on Experience

Senior Backend Developer jobs in Warrenton, VA, USA