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  •  ...remote contract position. This role involves building event-sourced, microservices-based systems using .NET 8, designing and delivering APIs, and integrating with ERP systems. Ideal candidates should be experienced in event sourcing and microservices architecture, have... 
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    Eliassen Group

    Maryland
    13 days ago
  • $100k - $140k

     ...USA, located in Germantown, MD, is seeking a .NET Developer to design, develop, and maintain high-performance web applications. The ideal candidate will have 3-5 years...  .... Responsibilities include developing RESTful APIs and leading projects from concept to deployment. The... 
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    Datalab USA

    Germantown, MD
    1 day ago
  •  ...System One in Baltimore seeks a Senior Java API Engineer for a REMOTE position focused on enhancing Java-based REST APIs supporting mobile applications. Candidates should have 5+ years in Java backend development and experience with RESTful APIs and cloud environments.... 
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    Remote work

    System One

    Baltimore, MD
    11 days ago
  • 6AM City, LLC is seeking a Mid to Senior Java Developer for a fully remote position. The ideal candidate will have a minimum of...  ...work on large-scale projects, contributing to interactive web applications, APIs, and legacy code maintenance. Key responsibilities include... 
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    6AM City, LLC

    Annapolis, MD
    14 hours ago
  • $225k - $250k

     ...Annapolis Junction, MD is seeking a talented Full-Stack Developer with strong experience in JavaScript and Java to enhance an enterprise web application. Integration of Elasticsearch and proficiency in RESTful APIs are essential. With a requirement of at least 14 years... 
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    Itlearn360

    Annapolis, MD
    3 days ago
  •  ...Software Engineer to design and build scalable backend services in a mission-driven environment. You will be responsible for developing RESTful APIs and ensuring system reliability and performance. The ideal candidate has a strong background in Java or Python, along with... 
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    Leidos LLC

    Gaithersburg, MD
    3 days ago
  •  ...Automation Engineers (Mid & Senior) for a remote role focused on retail POS modernization. The ideal candidates will design and build UI and API automation frameworks, automate workflows, and mentor team members. Candidates with retail POS experience are highly preferred. This... 
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    Remote work

    GlobalSource IT

    Annapolis, MD
    1 day ago
  •  ...contribute to critical systems for Maryland agencies. This role requires at least seven years of IT experience, proficiency in RESTful APIs, and a Bachelor's degree in a relevant field. The position focuses on providing automated systems applications while being a... 
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    Interclypse, Inc.

    Annapolis, MD
    3 days ago
  •  ...expertise to every case. We are hiring a Software Engineer (Python, API, Backend) to work in the Ft. Meade, MD vicinity . Position...  .... Required: TS/SCI with a Polygraph The Software Engineer develops, maintains, and enhances complex and diverse software systems (e... 
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    Themis Insight LLC

    Maryland
    1 day ago
  • Employee Navigator, a leading SaaS provider, is seeking a Senior Backend Engineer to design and maintain APIs for their benefits enrollment platform. The role requires extensive experience in C# and API development, working collaboratively in a fast-paced environment.... 
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    Employee Navigator

    Bethesda, MD
    2 days ago
  •  ...support a high-visibility application driving real-time decision-making. You'll design and maintain core backend services, develop RESTful APIs, and ensure system reliability and performance. The ideal candidate should have a bachelor's degree in Computer Science or related... 
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    Leidos LLC

    Gaithersburg, MD
    3 days ago
  •  ...firm located in Gaithersburg, MD, is seeking a Backend Software Engineer to design and develop scalable backend services. The role requires strong expertise in Java or Python, RESTful API development, and SQL. You'll work in a collaborative environment supporting high-... 
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    Leidos

    Gaithersburg, MD
    14 hours ago
  • A leading consulting firm in Maryland is seeking a skilled professional experienced in backend development and API governance. This role includes responsibilities such as reverse-engineering integrations, designing standardized APIs, and implementing CI/CD pipelines for... 
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    EmergencyMD

    Annapolis, MD
    14 hours ago
  • $120k - $125k

    Stage Front in Columbia, Maryland, is looking for a Backend Engineer with strong SQL expertise to build and optimize core systems for their marketplace. This hybrid role combines software engineering ownership with deep database knowledge, focusing on database design, query...
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    STAGE FRONT

    Columbia, MD
    4 days ago
  • Polarits is seeking a .Net Full Stack Developer for an onsite role in Baltimore, Maryland. The successful candidate will have extensive experience with C#, .NET Core/.NET 6+, and Angular frameworks. Responsibilities include upgrading legacy systems, performing data analysis... 
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    Polarits

    Annapolis, MD
    4 days ago
  •  ...Position Title: Java API Engineer Location: Remote – Must live in the continental United States Assignment Type: Contract...  ...native mobile applications across iOS and Android platforms. · Develop new backend features and integrations while ensuring system reliability... 
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    Addison Group

    Baltimore, MD
    4 days ago
  • $145k

    ManTech International seeks a Front End Developer to join our Information Technology (IT) &...  ...interfaces for complex federal and defense web applications. You will collaborate with...  ..., cyber and DevSecOps teams to integrate APIs, implement secure coding practices, and ensure... 

    ManTech International

    Annapolis Junction, MD
    3 days ago
  •  ...career and customer-oriented Front End Developer to join our team in Annapolis Junction,...  ...are not limited to: Design and develop web-based user interfaces for operational tools...  ...front-end applications with back-end APIs, data pipelines, and capability infrastructure... 
    Work at office

    MANTECH

    Annapolis Junction, MD
    14 hours ago
  • $100k - $230k

     ...technical roadmap modernizing our servicing organization with API first design. The ideal candidate is a self-starter that has deep...  ...of the solutions Utilize your expertise in designing and developing API's and microservices using graphQL, gRPC, Java, Python, Kafka... 
    Hourly pay
    Work experience placement
    Local area
    Flexible hours

    GEICO

    Bethesda, MD
    12 days ago
  •  ...and enhance single page applications that support internal systems and user-facing experiences. The role partners with front-end developers, API engineers, designers, and product owners, and contributes to component libraries, testing, accessibility, and code standards.... 
    Hourly pay
    Permanent employment
    Full time
    Local area
    Remote work

    Eliassen Group

    Annapolis, MD
    4 days ago
  •  ...Senior Front-End Engineer that provides web application development and support to tools...  ...with other software development teams developing web-based user interface applications promoting...  ...applications interfacing with REST-based APIs/services Experience developing REST... 

    1872 Consulting

    Maryland
    2 days ago
  • $112k - $179k

     ...experiences that make advanced platform capabilities accessible to developers, operators, and mission users. The ideal candidate will bring...  ...with backend, platform, and AI engineering teams to integrate APIs, real-time data, orchestration services, and agent execution... 
    Contract work
    Shift work

    Peraton

    Annapolis Junction, MD
    1 day ago
  •  ...microservices-based systems using .NET 8. The role will design and deliver APIs, leverage Dapr and the actor pattern with Orleans, and integrate...  ...with team members to implement event sourcing patterns. Develop backend services using .NET 8. Work with ERP systems to ensure... 
    Contract work
    Local area
    Remote work

    Eliassen Group

    Maryland
    3 days ago
  • $209k - $266k

     ...00/year DUTIES As a successful candidate for the Front-End Developer III role, you will take a lead role in a new development initiative...  ...user interfaces, integrating UI functionality with backend APIs and databases, collaborating closely with domain experts to support... 

    Black Eagle Defense

    Maryland
    4 days ago
  • $103.8k - $218.1k

     ...Job Title: Front End Developer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS...  ...degree. UI/UX architecture frontend development background API ReactJS NodeJS Java Spring Boot framework JavaScript... 
    Full time
    Contract work
    Work experience placement
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    CACI International

    Columbia, MD
    11 days ago
  •  ...Senior Front-End Developer (Owings Mills, MD) Top Skills: TypeScript/JavaScript Web Components nice to have. HTML/CSS Java/AWS nice to have. The...  ...implementing Shared Component Libraries, building APIs with GraphQL, and Cloud Services in AWS as well... 

    Apex Informatics

    Owings Mills, MD
    1 day ago
  •  ...Columbia, Maryland Type: Contract Job #3993 Title: Web Developer Location: Fort Meade, Maryland Clearance: TS/SCI...  ...: Design and implement features across the stack (API, UI, and data layer) with limited supervision; write clear technical... 
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    Worldwide

    Cornerstone Defense

    Columbia, MD
    1 day ago
  •  ...Web Developer II (TS/SCI w/ POLYGRAPH) Fort Meade, MD ( Description COMSO, Inc. is a powerhouse when it comes to empowering federal...  ...Responsibilities: Design and implement features across the stack (API, UI, and data layer) with limited supervision; write clear... 
    Temporary work
    Immediate start
    Flexible hours

    COMSO

    Maryland
    2 days ago
  •  ...Talented Developer Wanted We are a healthcare-focused web marketing company located in Columbia, MD looking for a talented developer to join our team. Experience...  ...like Microsoft SQL Server Experience with RESTful API’s Bonuses: Experience with Sass or another... 
    Local area

    Web Partners

    Columbia, MD
    14 hours ago
  •  ...Web Developer Quevera is seeking a Web Developer to join our team. At Quevera, we don't just offer jobs—we provide opportunities to be part...  ...: Design and implement features across the stack (API, UI, and data layer) with limited supervision; write clear technical... 
    Temporary work
    Work experience placement

    Quevera

    Maryland
    1 day ago