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  • Senior Backend Engineer - APIs, Data, and Scale

     ...and interest in other database technologies such as columnar systems. ~ Experience with scaling, performance, and benchmarking of APIs and data processing systems. ~ Fluency with tools such as Copilot, Cursor, Claude Code, Kiro and a track record of using them to build... 
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    Jellyfish

    Washington DC
    5 days ago

  • Director, API Platforms & Developer Experience (McLean)

     ...A high-tech financial services company is seeking a Director of Product Management to oversee API platforms and engage with various stakeholders to optimize business outcomes. The successful candidate will have at least 7 years of experience in product management, with... 
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    Full time

    Capital One

    McLean, VA
    4 days ago

  • Director, Product Management, Developer Experience - API Platforms (McLean)

    $205.4k - $234.4k

     ...Overview Director, Product Management, Developer Experience - API Platforms Capital One is a high-tech company, a scientific laboratory, and a nationally recognized brand all-in-one, reaching tens of millions of consumers. As a Developer Experiences organization... 
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    Capital One National Association

    McLean, VA
    4 days ago

  • Full Stack Developer - PHP and Python

     ...Peregrine Advisors Benefit Inc. seeks a technically skilled Full Stack Developer to join a high-impact team of Data Scientists, Data Specialists...  ...applications, creating intuitive user interfaces, developing APIs, and managing web application data processing. The ideal... 
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    Contract work
    Immediate start

    Opendatajobs

    Washington DC
    52 minutes ago

  • Senior Software Engineer (Backend / Data Platforms)

    $130k - $160k

     ...established coding standards and best practices. Create and maintain clear technical documentation covering system design, data flows, APIs, and operational procedures. Design and implement batch and/or real-time data pipelines processing terabytes of data using Apache... 
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    Inrix

    Washington DC
    52 minutes ago

  • Software Engineer Full Stack - Agentic Computational Engineering (ACE) Platform

    $120k - $180k

     ...design history in transparent and intuitive ways for engineers. Develop real-time, collaborative editing and review workflows (e.g., via...  ...with backend, platform, and domain team members to design APIs and data contracts that power the UI. Manage agentic teams of... 
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    Voyager Technologies

    Washington DC
    52 minutes ago

  • .Net Full Stack Developer (Senior)

    $98.5k - $184.9k

     ...the government forward!   The work: As a .NET Full Stack Developer, you will play a critical role in the development and maintenance...  ...5/CSS3. ~ Familiarity or experience with architecture styles/APIs (REST, RPC) Develop and maintain web applications using the .... 
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    Accenture Federal Services

    Washington DC
    52 minutes ago

  • Senior .NET Developer

     ...We are seeking a full-time, backend-focused  Senior .NET Developer  to support application modernization initiatives and ongoing maintenance...  ....NET (C#) Experience developing and maintaining  GraphQL APIs Experience with  Postgres and/or MSSQL  databases Experience... 
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    Mobomo

    Washington DC
    52 minutes ago

  • Senior Software Engineer, Platform Services

     ..., and event streams   ~ Experience with relational and key-value databases   ~ Experience designing and implementing APIs   ~ Experience driving performance through observability and/or root cause analysis   ~ Proficiency in at least one server... 
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    Flexible hours
    3 days per week

    Sedaro

    Arlington, VA
    52 minutes ago

  • Senior Software Engineer, Loans Platform

     ...on a modern stack. ~ Our core stack is React / Java / Spring / PostgreSQL. Expertise with any modern JavaScript frameworks, REST APIs and relational databases is a great start. ~ Willingness to roll up your sleeves, collaborate with others and get stuff done ~ Strong... 
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    Full time

    Sofi

    Washington DC
    52 minutes ago

  • Senior Software Engineer, Test Platform

     ...opportunity to directly impact the design and architecture of our Developer Platform and tooling that enables SoFi engineers to create and...  ...automated testing strategies, testing in production, test tenancy, API mocking, traffic capture, routing and playback technologies. ~... 
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    Sofi

    Washington DC
    52 minutes ago

  • Senior Full Stack Engineer (Python, Serverless, AI Fluency)

    $140k - $175k

     ...Serverless technologies (Lambda, DynamoDB, SQS, EventBridge), developing event-sourced systems that provide complete state history and auditability...  ...serverless backend services using Python and AWS (Lambda, API Gateway, DynamoDB, SQS, EventBridge). Architect and build... 
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    Vynyl

    Washington DC
    52 minutes ago

  • Senior Software Engineer - Platform Security

    $168k - $252k

     ...excellence. We build tools, operate services, define processes, and develop frameworks to allow Anduril’s engineers and operators to execute...  ...software ~ Experience designing secure protocols and/or APIs ~ Proficient in at least one of the following: C++, Rust, Golang... 
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    Anduril Industries

    Washington DC
    52 minutes ago

  • Senior Embedded Software Engineer

    $97.16k - $145.73k

     ...reliable, secure embedded solutions. If you have experience developing software for Linux operating systems and enjoy building and deploying...  ...capabilities into operational, fieldable solutions Develop APIs and interfaces bridging software and hardware layers Support... 
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    Two Six Technologies

    Arlington, VA
    52 minutes ago

  • Embedded Software Engineer, Starlink Enterprise & Aviation

    $122.5k - $145k

     ...more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal...  ...drivers to enable new networking features, or changing the API layer to allow better observability on the devices. Our software... 
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    Spacex

    Washington DC
    52 minutes ago

  • Software Engineer, Backend/Fleet

    $107k - $164k

     ...Software Engineer in the FleetFoundation team, you will build scalable APIs and services that are core to Motive's success. We are looking...  ...and other critical Fleet data. What You'll Do: Develop highly observable, reliable, and scalable platform components... 
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    Full time
    Temporary work
    Work experience placement
    Work at office
    2 days per week
    1 day per week

    Motive

    Washington DC
    52 minutes ago

  • Front-End Software Engineer

     ...Hooks Experience with Responsive CSS frameworks, Grid systems like Bootstrap 4/5 and any other notables Experience with RESTful APIs and efficient methods of requesting data from backend services Be able to work independently in a fast-paced environment and with... 
    Full time
    Temporary work
    Relocation
    Flexible hours

    Republican National Committee

    Washington DC
    52 minutes ago

  • Marvelous FrontEnd Software Engineer (2+ years - Senior Level)

     ...Special Operations customers. Our engineer-led software teams develop technical solutions on an aggressive schedule across the DoW and...  ..., or SvelteExperience working on fullstack solutions with REST APIs and complex data Experience with SDLC tools, such as JIRA, Confluence... 
    Full time
    For subcontractor

    Black Cape

    Arlington, VA
    52 minutes ago

  • Engineering Manager, Platform Services

     ...leading engineering teams of 10+ people with proven track record of developing talent ~ Deep experience building or scaling multi‑tenant...  ...) ~ Experience with modern frontend technologies and API design ~ Track record of measurable platform improvements (e.... 
    Local area
    Remote work
    Work from home
    Flexible hours

    Resonate

    Washington DC
    1 day ago

  • Senior Software Engineer (Backend-Focused Fullstack)

    $190k - $210k

     ...the full stack, from database design through frontend implementation Lead technical architecture decisions for backend systems and APIs Build high-performance APIs that support millions of transactions Design data models and services for complex business... 
    Full time
    Home office
    Flexible hours
    Shift work
    2 days per week

    Startuptap

    Washington DC
    52 minutes ago

  • Software Engineer - Backend

    $130k - $170k

     ...useful in production. What You'll Do: Write high-quality, production-ready TypeScript code for our backend services and APIs Design, build, and maintain scalable services within our TypeScript monorepo Model data, design schemas, and optimize queries... 
    Full time
    Work at office
    Remote work

    Avante

    Washington DC
    52 minutes ago

  • Digital Consulting Director - Oracle Cloud Technical Architect (Nationwide, Flexible Location) (Washington)

    $165k - $225k

     ...practice knowledge, discover strategies to enhance capabilities, develop detailed project plans, manage budgets and resource loads, and...  ...application integrations, and data conversion using RESTful and SOAP APIs ~ The ability to train and participate in the professional... 
    Full time
    Work experience placement
    For subcontractor
    Flexible hours

    Huron Consulting Group

    Washington DC
    4 days ago

  • Full Stack Developer with TS/SCI Clearance

     ...environments, - Expertise in various COTS, GOTS and open-source tools which support development of data integration and visualization applications, - Experience with cloud message APIs and usage of push notifications, - Familiar with Python, Groovy, Shell Script,
    Full time

    Maania Consultancy Services

    Washington DC
    52 minutes ago

  • Lead Application Developer

    540 is seeking a hands-on Lead Application Developer to provide both technical leadership and direct development support for a high-performing...  ...that integrates and shares acquisition data through modern APIs, with front- and back-end tools supporting user interaction and... 
    Full time
    Temporary work
    For contractors
    Local area
    Remote work
    Flexible hours

    540

    Arlington, VA
    52 minutes ago

  • Senior Full Stack Software Engineer (Front End Leaning)

    $170k - $200k

     ...We are a rapidly growing Seattle & NYC SaaS company developing an innovative platform in a trillion-dollar industry. Adora is transforming...  ...user-facing application from front-end experiences to backend apis Bridge the gap between our AI/ML systems and user-facing features... 
    Full time

    Adora Technologies

    Washington DC
    52 minutes ago

  • Full Stack Developer

    $150k - $200k

     ...About Us: SwarmInt is a defense AI startup developing computer vision and edge AI capabilities for military expeditionary forces with...  ...visualization from sensor feeds Implement backend services and APIs for data processing and integration Deploy containerized... 
    Full time

    Swarmint

    Arlington, VA
    52 minutes ago

  • Software Engineer, Backend

    $126k - $165.65k

     ...quality, scalable solutions. This role provides opportunities to develop strong engineering fundamentals, work with shared components and...  ..., including building reusable components and designing scalable APIs. ~ Experience with software design, architecture, and working... 
    Full time
    Work at office
    Immediate start
    Flexible hours
    1 day per week

    Spotnana

    Washington DC
    52 minutes ago

  • Software Engineer - Backend

     ...join our backend team and play a critical role in building REST API microservices from scratch using ASP.NET Core (C#) and building...  ...certifications (e.g., AWS Certified Solutions Architect, AWS Certified Developer). What We Offer: Competitive salary & performance-based... 
    Full time
    Flexible hours

    Caseguard

    Arlington, VA
    52 minutes ago

  • Full Stack Engineer

     ...sponsor anyone at this time. As a Full Stack Engineer, you’ll play a pivotal role in designing, developing, and maintaining scalable web applications, with an emphasis on backend APIs. You’ll work closely with other team members to deliver high-quality, impactful software... 
    Full time
    Work experience placement
    Flexible hours

    Builders Capital

    Washington DC
    52 minutes ago

  • Full Stack Software Engineer

    $90k - $105k

     ...iSoftStone , Inc. is seeking a Full Stack Software Developer to join our Team in Everett, WA! Onsite Opportunity   Summary...  ...supporting IoT devices and connected systems. Develop backend APIs and services that integrate with sensors, hardware, and device... 
    Hourly pay
    Full time
    Temporary work
    Worldwide

    Isoftstone

    Washington DC
    52 minutes ago