Average salary: $85,389 /yearly

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  • Principal Engineer, API & MCP Platform

    $220k - $250k

     ...is partnering with Babel Street to find a Principal Engineer, API & MCP Platform . Please see details below: About the Role...  ...and delivering API-first platform capabilities that enable both developers and AI agents to interact with Babel Street's services. You will... 
    Suggested
    Work at office
    Remote work

    Hatchit Co

    Reston, VA
    4 days ago

  • Software Engineer - Python/Fast API/React/less/sass/css/Mongo/Elastic/Docker

    $130k - $270k

     ...a timely manner. Our team of engineers take pride in what they develop and constantly innovate to provide the best solution. Captivation...  ...s degree. Required Skills: ~ React ~ Python ~ Fast API ~ less/sass/css ~ MongoDB ~ Elastic ~508 Compliance... 
    Suggested
    Hourly pay
    Full time
    Temporary work

    Captivation Software

    Annapolis Junction, MD
    1 day ago

  • Sr. Software Engineer - .NET / APIS

     ...Server, with Kafka, RabbitMQ, or IMB MQ as a plus. You will work on APIs, microservices, and distributed systems, contributing to a...  ...performance software ecosystem.   You will collaborate with senior developers, DevOps engineers, and data experts in an Agile team... 
    Suggested
    Full time
    Contract work
    Remote work

    Securiport

    Reston, VA
    1 day ago

  • Software Engineer - .NET / APIS

     ...build scalable, high-impact systems supporting global border security and threat detection. In this role, you’ll develop C#/.NET backend services, APIs, and microservices that power real-time data processing and analytics platforms. You’ll work closely with senior... 
    Suggested
    Full time
    Contract work
    Remote work

    Securiport

    Reston, VA
    1 day ago

  • Software Engineer (Front-End) / APIS

     ...global border security, threat detection, and analytics systems . In this role, you’ll develop responsive front-end applications and integrate with C#/.NET microservices and APIs powering real-time data platforms. You’ll work alongside senior engineers, DevOps, and... 
    Suggested
    Full time
    Contract work
    Remote work

    Securiport

    Reston, VA
    1 day ago

  • Senior Software Engineer

    $131.3k - $237.35k

     ...: * Support the development of distributed backend services, APIs, and platform microservices supporting enterprise AI operations...  ...with multidisciplinary teams of analysts, engineers, and developers to solve complex challenges and deliver innovative, production... 
    Suggested
    Full time
    Remote work
    Flexible hours

    Leidos

    Rockville, MD
    18 hours ago

  • UI/UX Engineer

    $110k - $145k

     ...Intelligence Community customer. In this role, you will design and develop intuitive, user-centered interfaces that transform complex...  ...applications. Integrate front‑end applications with RESTful APIs and backend services. Optimize front‑end performance, scalability... 
    Suggested
    Full time
    Relocation package
    Shift work

    Ennoble First, Inc.

    Gaithersburg, MD
    1 day ago

  • Principal Software Engineer

     ...sided platforms. ~ Strong technical expertise in full-stack development, including: ~ Backend development with Python (services, APIs, data-driven systems). ~ Backend microservices and REST API design using Node.js. ~ Frontend development with React and... 
    Suggested
    Full time

    Xometry

    North Bethesda, MD
    1 day ago

  • PHP WEB Developer

     ...patients and customers the highest priority. Job Description PHP Web Developer GeneDx, Inc Gaithersburg, MD GeneDx is a rapidly growing CAP...  .... Collaborate with other programming teams to develop APIs and utilize multiple systems to solve workflow complex problems... 
    Suggested

    GeneDx

    Gaithersburg, MD
    2 days ago

  • APPLICATION SECURITY ENGINEER

     ...Application Security Control Development: - Provide expert guidance to developers on the appropriate selection and implementation of relevant...  ...MSMQ, MS Exchange. - Knowledge of general application security API's and protocols such as: MS CryptoAPI, Kerberos, SSL/TLS, SAML,... 
    Suggested
    Contract work

    Target Labs

    Rockville, MD
    1 day ago

  • Software Developer in Test- JAVA

     ...elite Financial Firm to build a team of Mid and Senior Software Developers in Test. Each Senior SDET will be a part of a small team of 2-4...  ...code, scripts, utilities, simulators, data generators, API/Interface testing solutions and other programmatic test tools as... 
    Suggested
    Full time
    Work experience placement
    Work at office

    Federal Hill Consulting

    Rockville, MD
    1 day ago

  • Senior Level Full-Stack Developer

    $130k - $160k

     ...science, software engineering, and program management, we focus on developing and applying research tools and techniques to empower decision-...  ...security and best practices. Proficiency in RESTful API design and development. Experience with databases such as MongoDB... 
    Suggested
    Full time
    Local area
    Flexible hours

    Axle

    Rockville, MD
    1 day ago

  • Senior Full Stack Web Developer

    $101.4k - $154.65k

     ...Configure Sitecore XM Cloud environments and Experience Edge • Develop custom Sitecore components and rendering logic • Implement...  ...serialization and deployment workflows • Integrate with Sitecore APIs (GraphQL, REST, Layout Service) • Support content authors with... 
    Suggested
    Full time
    Temporary work
    Work experience placement
    Work at office
    Flexible hours

    MSD Careers

    Rockville, MD
    1 day ago

  • Sr. Full Stack Developer

    $172.85k - $249.67k

     ...Sr. Full Stack Developer Employment Type: Full Time, Mid-level Department: Information Technology   CGS is seeking an experienced...  .... - A passion for Developing content rich web applications, APIs, services and scripts.  - Experience working with Agile methodology... 
    Suggested
    Full time
    Flexible hours

    Contact Government Services, Llc

    Rockville, MD
    1 day ago

  • Senior Backend Java Developer

    Job Description: Short Description: The Senior JAVA Developer position requires in-depth knowledge of JAVA and J2EE background using...  ...Spring Technologies framework, design, and architectural styles /API’s (REST/RPC) and Agile methodologies for the development of application... 
    Suggested
    Full time
    Contract work

    AHU Technologies Inc

    Washington DC
    3 days ago

  • Cloud Platform Engineer

    $108.01k - $183.61k

     ...environments can be created, updated, and audited consistently and without manual intervention. Build and maintain system integrations using APIs, SDKs, webhooks, and event streams, with proper secrets management, least-privilege scoping, error handling, and logging. Deploy... 
    Full time
    Contract work
    Work experience placement
    Work at office
    Remote work

    ICF

    Washington DC
    18 hours ago

  • Salesforce Developer

    $140k - $150k

    Salesforce Developer (Active TS/SCI) ***As required by our governmental client, this position requires being a U.S. Citizen AND an active...  ...* Integrate Salesforce with enterprise systems using REST/SOAP APIs, event-driven patterns, platform events, and/or middleware (e.... 
    Full time
    Contract work
    Local area

    Cherokee Federal

    Washington DC
    18 hours ago

  • Software Engineer

    $118k - $150k

     ...and personalized to each user’s needs. Make things faster. Develop and tune back-end components to improve responsiveness and overall...  ...experience (Docker or Kubernetes) and comfort with REST APIs. ~ Fluency in an agile flavor or two - Scrum, Lean, or SAFe.... 
    Full time
    For contractors
    Work at office
    Remote work
    Flexible hours

    Skyward It Solutions

    Rockville, MD
    1 day ago

  • Full Stack Developer

     ...seeking an experienced, resourceful, and inventive Full Stack Web Developer to join our team. This role will perform software application...  ...A passion for developing content rich web applications, APIs, services and scripts Experience working with Agile methodology... 
    Full time
    Flexible hours

    CGS Federal (Contact Government Services)

    Rockville, MD
    1 day ago

  • Lead Engineer

    $175k - $225k

     ...ML organization, including hiring, performance management, and developing senior technical leaders across applied research, ML...  ...Scikit-learn * Strong software engineering fundamentals including APIs, microservices, testing, and version control * Experience working... 
    Full time
    Live in
    Local area
    2 days per week
    3 days per week

    Raft Company Website

    McLean, VA
    18 hours ago

  • Lead Software Engineer, Back End (Java/ Python/ Go Backend, REST/ GraphQL APIs, WAF, HTTP Protocol, AWS)

    $197.3k - $225.1k

     ...Software Engineer, Back End (Java/ Python/ Go Backend, REST/ GraphQL APIs, WAF, Protocol, AWS) Do you love building and pioneering at...  ...pipelines that defend Capital One's applications at scale Develop and maintain Python-based automation and tooling that manages... 
    Full time
    Part time
    Internship
    H1b
    Local area

    Capital One

    McLean, VA
    8 days ago

  • Principal Software Developer

    $131.3k - $237.35k

    Leidos is seeking Principal Software Developers to join the Air Traffic Business Area within the Homeland Sector , supporting the development...  ...as Junit and Mockito Significant experience with RESTful API, JSON, XML, XSD Significant experience with Spring Framework... 
    Remote work

    Dormont Manufacturing Company

    Gaithersburg, MD
    5 days ago

  • API/Java/Python Developer, SME TS Clearance REQUIRED

    $88.2k - $190.9k

    API/Java/Python Developer, SME TS Clearance REQUIRED Position Description Position Description CGI Federal has an exciting opportunity for an API/Java/Python Developer within our Intel sector advancing the national security mission through cutting edge technology... 
    Local area
    Arlington, VA
    more than 2 months ago

  • Lead Software Developer

    $87.1k - $157.45k

     ...Description Leidos is seeking Lead Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the...  ...tools such as Junit and Mockito Experience with RESTful API, JSON, XML, XSD Experience with Spring Framework, Spring Security... 
    Local area
    Immediate start
    Remote work

    Leidos

    Rockville, MD
    5 days ago

  • Python API Developer - SWE0

     ...Job Description Job Description Job Description: Quevera has exciting opportunities for Python API Developer - SWE0 to support the design and delivery of next-generation mission applications. In this role you will build scalable and secure APIs, integrate AI/ML... 
    Temporary work

    Quevera LLC

    Annapolis Junction, MD
    8 days ago

  • Senior Software Engineer

    $107.9k - $195.05k

     ...Polygraph. Primary Responsibilities Object-Oriented Programming: Design, develop, test, troubleshoot, and maintain scalable software applications using object-oriented design principles. REST API Development: Implement and maintain RESTful services to support... 
    Contract work
    Local area
    Immediate start

    Leidos

    Gaithersburg, MD
    5 days ago

  • Senior Software Engineer

    $97.7k - $176.1k

     ...Under minimal supervision, the Senior Software Engineer assists in developing software products and works on improving the overall quality of...  ...design and implement scalable, high-performance systems from API layer to data persistence, with deep understanding of modern... 
    Full time
    Temporary work
    For contractors
    Work experience placement
    For subcontractor
    Local area
    Immediate start

    Socket

    Rockville, MD
    1 day ago

  • Sr. Software Developer

    $87.1k - $157.45k

     ...providing the backbone foundational platform for all ATC Systems. Developers on ERAM support new system capabilities/enhancements requested...  ...common services provided the applications via the FlightDeck API. • Leveraging AI/ML concepts to improve SW processes and... 
    Work experience placement
    Local area
    Immediate start

    Leidos

    Gaithersburg, MD
    5 days ago

  • Python API Developer - SWE1

     ...Job Description Job Description Job Description: Quevera has exciting opportunities for Python API Developers to support the design and delivery of next-generation mission applications. In this role you will build scalable and secure APIs, integrate AI/ML capabilities... 
    Temporary work

    Quevera LLC

    Annapolis Junction, MD
    8 days ago

  • UI developer

    $60k

     ...across industries and process oriented approach enables clients to develop cost effective and robust solutions. We strive to prove...  ...components   Integrated front-end applications with various types of APIs, and are comfortable with authentication and authorization (... 
    Permanent employment
    Full time
    Contract work
    Temporary work
    Work experience placement
    Relocation package

    Dellfor Technologies

    Washington DC
    1 day ago