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  • $80k - $120k

    Description SAIC is seeking Software Engineer API Developers to join the Machine-assisted Analytic Rapid-repository System (MARS) Advanced Development Operations (DevOps) and Sustainment Support (ADOS) program and provide on-site technical and administrative support to... 
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    SAIC

    Washington DC
    2 days ago
  • $157.68k - $213.33k

    Join to apply for the Software Development Engineer II, API role at Mapbox . Mapbox is the leading real-time location platform for a new generation of location-aware businesses. Mapbox equips organizations with tools to power navigation of people, packages, and vehicles... 
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    Mapbox

    Washington DC
    3 days ago
  •  ...There's a good chance you've even used our software since 100,000+ companies nationwide use...  ...companies to configure benefits. We build APIs to handle B2B transactions with our...  ...re currently looking for a senior backend engineer that will be primarily designing, building... 
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    Employee Navigator

    Bethesda, MD
    2 days ago
  • $90k - $115k

    Overview Are you Ready to Engineer Your Career? At IMEG, one of the largest design consulting firms in the U.S., we strive to provide...  ...work, and support a culture of sustainability. Role The Revit API Software Engineer will possess a strong knowledge of the Autodesk Revit... 
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    IMEG Corp

    Washington DC
    4 days ago
  •  ...Job Description Job Description As a Senior Software Engineer at MacroSys, you will play a pivotal role in shaping the future of our software...  ...Spring Boot, Spring MVC, .NET, and ASP.NET. Expertise in API development, including REST and GraphQL. Proficient in... 
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    MacroSys, LLC

    Washington DC
    28 days ago
  • Overview Java API Developer — Anywhere — Type: Contract — Category: Engineer — Industry: Insurance — Workplace Type: Remote Reference ID: JN -092025-103586 Date Posted: 09/07/2025 Shortcut: Description Remote. Join a dynamic team with a major healthcare organization,... 
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    Eliassen Group

    Washington DC
    4 days ago
  • $86.8k - $198k

     ...good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused...  ...We’re looking for an experienced back-end developer with the software engineering skills it takes to identify potential risks, contribute to solution... 
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    Booz Allen Hamilton

    Arlington, VA
    3 days ago
  • $86.8k - $198k

    API Platform Software Engineer, Senior The Opportunity: As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. Were looking for an experienced back-... 
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    Booz Allen Hamilton

    Mc Lean, VA
    3 days ago
  • $190.83k - $258.18k

    Software Development Engineer III (C++), Maps API Join to apply for the Software Development Engineer III (C++), Maps API role at Mapbox Software Development Engineer III (C++), Maps API Join to apply for the Software Development Engineer III (C++), Maps API role at Mapbox... 
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    Mapbox

    Washington DC
    15 hours ago
  • Full Stack Developer/Software Engineer Location: 3-4 days onsite in NW DC Clearance Requirement: TS/SCI Pay: 150 – 180K About Company Disruptive...  ...Chai, JUnit, NUnit, TestNG • Experience with cloud message APIs and push notifications Equal Opportunity Statement... 
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    Disruptive Solutions LLC

    Washington DC
    2 days ago
  • Overview Join to apply for the Principal Engineer (Director IC), Exchange Platform (APIs, Files, AI protocols, and others) role at Fannie Mae Responsibilities...  ...Product Testing including testing and evaluating software, usability testing, UAT, and using relevant product testing... 
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    Fannie Mae

    Washington DC
    3 days ago
  • $135k - $200k

     ...Company Palantir builds the world’s leading software for data-driven decisions and operations....  .... The Role As a Senior Software Engineer on Network Infrastructure you will be...  ...team’s diverse customer base Build the APIs through which both internal and external... 
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    Palantir Technologies

    Washington DC
    16 days ago
  •  ...implement high-throughput, resilient integration connectors and APIs primarily using Java, Spring Boot, and AWS services. Expected...  ...: Experience: 10+ years of progressive experience in software engineering, with at least 5+ years in a Solution or Integration... 
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    Openkyber

    Washington DC
    6 hours agonew
  • Overview Role: API Gateway Developer Client: DC Government Location: Washington, DC Responsibilities Collaborate with cross-functional teams to understand business requirements and design secure, scalable, and high-performing APIs. Monitor API performance and troubleshoot... 
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    AHU Technologies Inc

    Washington DC
    15 hours ago
  • $115k - $230k

     ...problems Deliver High-Quality services and software for a variety of domains Accountable...  ...expertise in designing and developing API’s and microservices using graphQL , gRPC...  ...technical expertise and know-how of our engineering and product community. Influence and educate... 
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    GEICO

    Chevy Chase, MD
    2 days ago
  • $155k - $175k

     ...Description Job Description Salary: $155,000 $175,000 The Software Engineer II will play a critical role in the successful delivery of the...  ...pipelines and automation frameworks. ~ Proficiency with API development, integration, and data exchange architectures.... 
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    Akiak Enterprise Services

    Washington DC
    11 days ago
  • Senior Software Engineer - IBM DataPower and IBM API Connect Location: Reston, VA Duration: 12Months+ Extension Hourly Rate: Depending on Experience (DOE) Work Authorization: Design, develop, and integrate secure, scalable, and reusable APIs using Node.js or Python Utilize... 
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    Robotics Prcocess Automation, LLC

    Reston, VA
    1 day ago
  • $140k - $200k

     ...– Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and...  ...analytics, subscriptions, new products, text to speech, and external APIs. This is a key role and ideal for someone who thinks... 
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    Speechify

    Alexandria, VA
    23 days ago
  •  ...Silverthorne Advisory Group is seeking a skilled and highly motivated Software Engineer to join an exciting and growing opportunity within the Defense...  ...applications that are customer facing UI and backend API services. You’ll analyze the needs and the environment to make... 
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    Silverthorne Advisory Group

    Washington DC
    15 hours ago
  •  ...team! As we continue to grow, we’re looking for a Full Stack Software Engineer to play a pivotal role in shaping our Engineering team. You'...  ...performance and scalability. Develop and document RESTful APIs for seamless system integration. Write robust unit,... 
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    Resonate

    Washington DC
    15 hours ago
  •  ...contributes to building scalable, high-quality software across the stack. Key Responsibilities...  .... Develop and document RESTful APIs for seamless system integration. Write...  ...fundamentals in computer science and software engineering principles. 5+ years of full-stack... 
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    Resonate

    Washington DC
    4 days ago
  • $122.5k - $145k

     ...the ultimate goal of enabling human life on Mars. FULL-STACK SOFTWARE ENGINEER, STARLINK GROWTH At SpaceX, we’re leveraging our experience...  ..., or similar JavaScript framework Knowledge of requests, API structures (REST), and authentication techniques.... 
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    Spacex

    Washington DC
    15 hours ago
  •  ...Washington, D.C., Quorum is a fast-growing software company and a leading provider of...  ...grassroots advocacy software. The Software Engineering team develops high-quality datasets, operates...  ...data models, and creates services and APIs to support server-side application logic... 
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    Quorum Analytics Inc.

    Washington DC
    15 hours ago
  • $170k

    Labor Category: Software Engineer Position Title: ETL Developer Position Level: Level 3 - Senior Salary: Up to $170,000.00 per year Core Hours...  ...Elasticsearch, DynamoDB). • Experience with real-time streaming, and API integration (REST) for seamless data connectivity. •... 
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    Anonymous Employer

    Bethesda, MD
    1 day ago
  • $245k

    Labor Category: Software Engineer Position Title: Java Developer Position Level: Level 1 - Subject Matter Expert Salary: Up to $245,000.00 per...  ...Position Requires a Top Secret (TS/SCI) Clearance with a Polygraph. API Services - Java Software Developer with strong systems,... 
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    Anonymous Employer

    Bethesda, MD
    1 day ago
  • Overview Full Stack Software Engineer - Anywhere Type: Contract Category: Development Industry: Technology Workplace Type: Remote Reference...  ...frontend, and Python with FastAPI on the backend. You’ll design APIs (REST and gRPC), work with PostgreSQL and SQLite, and deploy... 
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    Eliassen Group

    Washington DC
    4 days ago
  • Ariadne is searching for a Senior Software Engineer with good knowledge of Object-Oriented Programming to support the National Institutes of...  ...interaction and scientific data visualization, using modern APIs and frameworks. Work as an integral part of an agile product... 
    Full time
    Remote work

    Ariadne

    Bethesda, MD
    3 days ago
  • $180k - $210k

    Senior Full Stack Software Engineer II at Upside Meet Upside We created Upside to transform brick-and-mortar commerce. Our technology uses the...  ...learning: React, Typescript, Python, Snowflake, DBT, AWS (including API Gateway, Lambda, DynamoDB, Cloudwatch, EventBridge), Terraform... 
    Full time
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    Flexible hours
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    Upside

    Washington DC
    2 days ago
  •  ...SaaS platform. You will solve the novel engineering challenges inherent in AI-native applications...  ...to support our AI agents, including API gateways, state management systems for...  ...Requirements 7+ years of professional software engineering experience, with a strong portfolio... 
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    Resonate

    Washington DC
    2 days ago
  • $170k - $200k

     ...improvements. We're seeking a Senior Full Stack Engineer who thinks in systems, not features. You'...  ...roadmap Requirements ~7+ years of software engineering experience with at least 5...  .... ~ Architecting RESTful services and APIs and familiarity with database... 
    Full time

    Adora Technologies

    Washington DC
    15 hours ago