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 Java Backend Developer

Remote

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24d 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 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 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

Django Backend Lead Developer

Remote or Jersey City, New Jersey

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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

Depends on Experience

Sr. Software Engineer - Back-End

Chantilly, Virginia

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Today

Overview We are seeking a Senior Software Engineer with extensive development experience to build backend software, analyze existing applications, and develop automated testing capabilities. This role requires proficiency in Python, JavaScript, and at least one additional backend programming language, along with strong Linux, shell scripting, and network analysis skills. What will you do? Design, develop, debug, and maintain backend software and supporting tools.Develop applications and automa

Full-time

USD 180,000.00 - 240,000.00 per year

Senior Backend Service Maintenance Engineer

Remote

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8d ago

Job Description: Senior Backend Engineer Service MaintenanceRole: Senior / Lead Backend Engineer Mode: Remote Key ResponsibilitiesMaintain and support production backend services, including incident triage, troubleshooting, and recovery. Perform service upgrades, security patches, dependency updates, and cloud infrastructure migrations. Monitor and optimize service reliability using alerts, logs, and dashboards. Reduce alert noise, resolve technical debt, and safely decommission unused services

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Contract

Depends on Experience

Sr. Backend Engineer C++ - Reston 2 Days Hybrid - 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 Software Engineers to help design, build and support

Full-time

USD 141,850.78 - 212,776.16 per year

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 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

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

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 Nashville, Tennessee

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Today

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 Backend Engineer

Remote or San Francisco, California

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Today

About Scribe Scribe is where exceptional people come to do the best work of their careers. More than 94% of the Fortune 500 use Scribe to own their specialized intelligence: the unique way their teams work, decide, and get things done. Our Specialized Intelligence platform automatically captures how work happens and turns it into a living asset for people and AI agents. We're growing fast. Since our founding in 2019, we've reached 7 million users across 600,000 businesses. Based in San Francis

Full-time

USD 150,000.00 - 240,000.00 per year

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

Remote

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18d 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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Third Party, Contract

Depends on Experience

Senior Backend Software Engineer

Remote or San Francisco, California

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Today

Overview Working at Atlassian Atlassians can choose where they work - whether in an office, from home, or a combination of the two. That way, Atlassians have more control over supporting their family, personal goals, and other priorities. We can hire people in any country where we have a legal entity. Responsibilities What You'll Do: Drive large, complex projects autonomously, from technical design to launchTackle complex architecture challenges, apply architectural standards and start using

Full-time

USD 180,000.00 - 235,000.00 per year

Senior Backend Engineer, Platform Enablement

Remote

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Today

GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster. The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier

Full-time

USD 156,800.00 - 235,200.00 per year

Senior Backend Engineer | Accounts Receivable

Remote or New York, New York

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Today

About Ramp Ramp is building the smart infrastructure for finance teams, embedded in the transaction flow of every dollar a business spends. We automate how over $275B in annualized spend flows in and out of 85,000+ companies: authorizing payments, flagging risk, categorizing spend, and closing books. The problems are high-stakes, data-dense, and unforgiving. We hire people with high agency and high urgency. We look for slope over intercept. We care less about where you trained and more about

Full-time

USD 204,000.00 - 280,000.00 per year

Senior Backend Engineer | Token Spend Management

Remote or New York, New York

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Today

Full-time

USD 204,000.00 - 280,000.00 per year

Senior Software Backend Engineer, Foundations

Remote

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Today

NetBox Labs seeks a Senior Software Backend Engineer for the Foundations team. Foundations is the platform team that builds core services for identity, authentication, and access control. Foundations also builds shared platform primitives that other engineering teams depend on. You will own delivery of complex components within Foundations projects and act as a go-to technical expert for your area. You will report to the Foundations Engineering Manager. Responsibilities: Act as the team's go-to

Full-time

USD 85,000.00 - 195,000.00 per year

Senior Backend Developer jobs in Warrenton, VA, USA