• Sr. Python Backend Developer

    Cognizant (Washington, DC)
    **About the role** As a **Python Backend Developer ** , you will make an impact by designing and delivering scalable backend solutions that power ... **In this role, you will:** + Design and build backend applications using Python, ensuring performance, scalability, and reliability....science or a related field. + 3-5 years of backend development experience. + Proficiency in Python and … more
    Cognizant (09/25/25)
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  • Remote Senior Java Backend Developer

    Shuvel Digital (Ashburn, VA)
    Job Description: We are currently seeking a motivated, career and customer-oriented Java Backend Developer to join our team to begin an exciting and challenging ... applying his or her talents to national and homeland security problems. The senior developer will use Java, SQL, and Oracle to design, develop, test, and maintain… more
    Shuvel Digital (09/25/25)
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  • Hybrid Java Backend Developer

    Shuvel Digital (Ashburn, VA)
    Position Summary: We are currently seeking a motivated, career and customer oriented Backend Developer to join our team to begin an exciting and challenging ... career. Job Responsibilities: + Design and implement Micro Service Architecture for Cloud based software applications. + Use modern software engineering tools including Eclipse, Jira, and Atlassian Suites for design, development, and testing the software +… more
    Shuvel Digital (07/21/25)
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  • Backend Developer

    ManTech (Ashburn, VA)
    **MANTECH** seeks a motivated, career- and customer-oriented **SME Backend Java Developer ** to join our innovative team in **Ashburn, VA** . This is a hybrid ... position with 2 days onsite and 3 days remote. Each day US Customs and Border Protection (CBP) oversees the massive flow of people, capital, and products that enter and depart the United States via air, land, sea, and cyberspace. The volume and complexity of… more
    ManTech (09/04/25)
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  • Senior Software Engineer, Backend

    Coinbase (Washington, DC)
    [Coinbase Developer Platform](http://cdp.coinbase.com) (CDP) is building the developer tools to bring the world onchain. Today, onchain development is slow, ... bring a million developers onchain by creating an easy to use and trusted developer experience. We build API and SDK products for developers like wallets, paymaster,… more
    Coinbase (10/09/25)
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  • Senior Software Engineer, Backend

    Coinbase (Washington, DC)
    [Coinbase Developer Platform](http://cdp.coinbase.com) (CDP) is building the developer tools to bring the world onchain. Today, onchain development is slow, ... onchain by creating an easy to use and trusted developer experience. We build API and SDK products for...What you'll be doing: * Design, build, and maintain backend systems and infrastructure that power stablecoin pay-ins, payouts,… more
    Coinbase (10/05/25)
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  • Senior Software Engineer, Backend

    Coinbase (Washington, DC)
    [Coinbase Developer Platform](http://cdp.coinbase.com) (CDP) is building the developer tools to bring the world onchain. Today, onchain development is slow, ... onchain by creating an easy to use and trusted developer experience. We build API and SDK products for...* Strong full-stack engineering skills; you can build reliable backend services and ship fast, accessible UIs that handle… more
    Coinbase (10/05/25)
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  • Senior Software Engineer, Backend

    Coinbase (Washington, DC)
    [Coinbase Developer Platform](http://cdp.coinbase.com) (CDP) is building the developer tools to bring the world onchain. Today, onchain development is slow, ... onchain by creating an easy to use and trusted developer experience. We build API and SDK products for...experience in software development with a strong focus on backend development working closely with frontend engineers; crypto experience… more
    Coinbase (10/08/25)
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  • Senior Software Engineer, Backend

    Coinbase (Washington, DC)
    …all sizes. What you'll be doing: * Design, build, and maintain backend systems and infrastructure that power stablecoin pay-ins, payouts, deposits, and withdrawals. ... in software engineering. * Proven experience building and operating large-scale backend systems, ideally in fintech, payments, or crypto. * Strong proficiency… more
    Coinbase (10/09/25)
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  • Senior Software Engineer, Backend

    Coinbase (Washington, DC)
    …team owns the core data model and primitives that power the Coinbase Developer Platform. We build the foundational layer that defines how organizations structure ... duties): * Build, deploy, and maintain scalable, secure, and high-performing backend services in a microservices/distributed architecture * Define internal and… more
    Coinbase (10/09/25)
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  • Senior Software Engineer, Backend

    Coinbase (Washington, DC)
    …improve customer UX. * Strong full-stack engineering skills; you can build reliable backend services and ship fast, accessible UIs that handle real-world edge cases. ... with designers and product managers. * Passion for great developer tooling and opinions on what makes developer... developer tooling and opinions on what makes developer platforms excellent. * Passion for onchain/Web3 and understanding… more
    Coinbase (10/09/25)
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  • Senior Software Engineer, Backend

    Coinbase (Washington, DC)
    …this protocol alongside the broader open-source community, while also building the developer tools, SDKs, and payment infrastructure that bring x402 to life. This ... * 6+ years of experience in software development with a strong focus on backend development working closely with frontend engineers; crypto experience is a plus *… more
    Coinbase (10/09/25)
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  • Senior Software Engineer - Node/ backend

    ICF (Reston, VA)
    …and the ability to work independently in a remote setting. If you're a backend developer with strong fundamentals, a collaborative mindset, and a passion for ... of delivering an integrated solution. **The work:** We are looking for a ** Backend Software Engineer** with solid fundamentals in backend development and… more
    ICF (09/26/25)
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  • Senior Software Engineer, Backend - DevX CI

    Coinbase (Washington, DC)
    …*What you'll be doing (ie job duties):* * Build, improve, and operate backend developer productivity infrastructure services and systems. * Design scalable, ... collaboration, connection, and alignment. Attendance is expected and fully supported. Developer Experience (DevX) is responsible for making sure all engineers at… more
    Coinbase (08/09/25)
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  • Mid-to-Senior Backend Java Developer

    Shuvel Digital (Vienna, VA)
    Job Description: Mid-to-Senior Backend Java Developer We are looking for a mid to senior Java developer , responsible for the development and maintenance of ... back-end services supporting our mobile banking apps and online banking channel. The developer will be working alongside analysts, QA testers and other Back end and… more
    Shuvel Digital (09/25/25)
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  • Software Engineer 1

    Amentum (Annapolis Junction, MD)
    …analysis and synthesis from system level to individual software components. + Backend Developer /DevOps + Design, develop and maintain microservices using Spring ... Boot and Java. + Build and manage RESTful APIs and backend services deployed on AWS (eg, ECS, Lambda, RDS, S3). + Implement CI/CD pipelines and infrastructure as… more
    Amentum (07/19/25)
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  • Senior Lead Software Engineer

    Lumen (Washington, DC)
    …shape the future. **The Role** We are seeking a Senior Lead Software Backend Developer with unparalleled technical expertise to lead software engineering ... projects for high-performance, reliable, and highly available (HA) database-driven applications, while guiding a small team and modernizing legacy systems. This role demands mastery of engineering, data and database internals, and performant development in… more
    Lumen (10/07/25)
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  • FLEX Edge Security Analyst

    Marriott (Bethesda, MD)
    …merging, pull requests, issues. + Experience in software development (front end or backend developer ). + Experience with software security testing. + Experience ... conducting risk assessments and developing risk mitigation strategies. + Familiarity with governance and compliance frameworks such as NIST, ISO 27001, and PCI DSS. + Knowledge of advanced bot detection strategies, including AI-based solutions and behavioral… more
    Marriott (08/27/25)
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  • Software Engineer, Backend - DevX Server…

    Coinbase (Washington, DC)
    …and alignment. Attendance is expected and fully supported. The vision of the Developer Experience org within Infrastructure is to make Coinbase the most enjoyable ... for a Software Engineer to join the Server Foundations team within Developer Experience. The team is responsible for empowering efficiency through foundational… more
    Coinbase (09/18/25)
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  • Staff Software Engineer, Backend - Onchain…

    Coinbase (Washington, DC)
    …collaboration, connection, and alignment. Attendance is expected and fully supported. Developer Experience (DevX) is responsible for making sure all engineers at ... Onchain Pod is focused on defining the future of developer experience for onchain developers, both within Coinbase and...*Nice to haves:* * Prior experience working in a Developer Experience/Productivity, Platform, or similar domain team. * Have… more
    Coinbase (08/09/25)
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