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  •  ...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... 
    Suggested

    Leidos

    Gaithersburg, MD
    3 days ago
  • $68.08k - $141.83k

     ...We are currently seeking a Backend / API Engineer to join our team in Bethesda (REMOTE), Maryland (US-MD), United States (US). Job...  ...hierarchy workflows. The position requires deep technical expertise in developing RESTful APIs, microservices, and data pipelines that interface... 
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    Contract work
    Temporary work
    Remote work
    Flexible hours

    NTT DATA

    Bethesda, MD
    3 days ago
  • NTT DATA, Inc. is seeking a Backend / API Engineer to join our team in Bethesda, Maryland. This remote position requires expertise in designing and developing secure backend services and APIs for advanced systems. Key responsibilities include implementing robust modules... 
    Suggested
    Remote job

    NTT DATA

    Bethesda, MD
    3 days ago
  • NTT America, Inc. is seeking a Backend / API Engineer for a remote position in Bethesda, Maryland. This role involves designing and...  .... The ideal candidate will have substantial experience in developing RESTful APIs, and expertise in AWS GovCloud, ensuring compliance... 
    Suggested
    Remote job

    NTT America

    Bethesda, MD
    2 days ago
  • $68.08k - $141.83k

    NTT DATA, Inc. is hiring a Backend / API Engineer for a remote position based in Bethesda, Maryland. This role involves designing, developing, and maintaining backend services and APIs crucial for modernizing client systems. Candidates are expected to have a strong technical... 
    Suggested
    Remote job

    NTT DATA

    Bethesda, MD
    3 days ago
  • NTT DATA is looking for a skilled Backend/API Engineer to design, develop, and maintain high‑performance backend services and APIs. This remote role involves close collaboration with cross‑functional teams and requires expertise in RESTful API development and AWS integration... 
    Suggested
    Remote job

    NTT DATA

    Bethesda, MD
    3 days ago
  • Syms Strategic Group, LLC (SSG) is hiring a Full Stack Developer for a remote position. The successful candidate will build and maintain cloud-based healthcare applications and RESTful APIs, ensuring reliable data processing for EDI transactions. Applicants should have... 
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    Remote job

    Syms Strategic Group, LLC (SSG)

    Columbia, MD
    3 days ago
  •  ...candidate, active, timeout, split/merge) Build and maintain REST APIs with strict latency SLOs (sub-20ms update paths) Implement persistent storage using MySQL and long-term archival in ClickHouse Develop composite fingerprint matching algorithms with policy-weighted... 
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    Work visa

    Digital Global Systems Inc

    Mc Lean, VA
    5 days ago
  • $68.08k - $141.83k

    NTT Data Americas, Inc. is seeking a Backend / API Engineer to join their remote team in Bethesda, Maryland. This role involves designing, developing, and maintaining backend services and APIs for modernizing the client’s radiation exposure management. The ideal candidate... 
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    Remote job

    NTT Data Americas, Inc.

    Bethesda, MD
    2 days ago
  • Leidos is seeking a Junior Python Developer in Bethesda, Maryland. In this role, you will develop and maintain Python-based backend services, support troubleshooting, and assist with API integrations. Candidates should have 1-3 years of experience in Python development... 
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    Leidos

    Columbia, MD
    5 days 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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    Remote job

    STAGE FRONT

    Columbia, MD
    4 days ago
  •  ...Gaithersburg, MD is looking for a motivated and results driven Web Developer. The candidate will be responsible for development,...  ...Experience working with SOAP and RESTful web services and 3rd party APIs; knowledge of UX/User Interface Design, responsive web design... 
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    AUI fine foods

    Gaithersburg, MD
    1 day ago
  •  ..., located in McLean, Virginia, is seeking a skilled mobile app developer. The role involves designing and maintaining mobile applications...  ...in Kotlin, Java, and Swift, as well as knowledge of RESTful APIs and Agile practices. If you are passionate about building secure... 
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    Robotics Technologies LLC

    Mc Lean, VA
    2 days ago
  •  ...software testing and automated test pipelines. designing and developing enterprise‑grade web applications. modern front‑end frameworks (e.g., React,...  .... Experience integrating UI components with RESTful APIs and microservices architectures. Experience with accessibility... 
    Suggested

    Leidos

    Gaithersburg, MD
    4 days ago
  • $110k - $145k

     ...customer. In this role, you will design and develop intuitive, user-centered interfaces that...  ...design and has experience building modern web applications that balance functionality, usability...  ...front-end applications with RESTful APIs and backend services. Optimize front-end... 
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    Full time
    Relocation package
    Shift work

    Creative Solutions Services, LLC

    Gaithersburg, MD
    3 days ago
  •  ...we’re looking for Technuf is hiring a highly skilled software developer with a passion for innovative and efficient solutions. Job Description...  ...designing and implementing scalable application services and APIs using C#/.NET, applying OOP, design patterns, and layered... 

    RBA

    Rockville, MD
    2 days ago
  • Ampcus, Inc is seeking a skilled Java Full Stack Developer in McLean, VA, to enhance and maintain internal applications. The role primarily involves backend development with Java, Spring, REST, and AWS, alongside UI development using JavaScript, TypeScript, and Angular.... 

    Ampcus

    Mc Lean, VA
    3 days ago
  • $87.1k - $157.45k

     ...As a UI/UX Engineer, you will design and develop intuitive, user-centered interfaces for mission...  ...intuitive, responsive user interfaces for web-based applications User Experience...  ...Grafana or similar) Familiarity with REST APIs and backend integration Exposure to CI/... 
    Local area
    Immediate start

    Leidos

    Gaithersburg, MD
    -113
  • HRB is seeking a Software Developer to work on-site in McLean, VA. This position is part of a mission-critical team processing large amounts...  ...clearance and have demonstrated experience with modern web applications, using technologies like JavaScript/TypeScript. The... 

    HRB

    Mc Lean, VA
    1 day ago
  • Armison Tech is seeking a skilled Software Developer for an on-site position in McLean, VA, who will be part of a mission-critical team. Candidates...  ...with polygraph clearance and will engage in the development of web applications utilizing modern technologies like JavaScript/... 

    ARMISON TECH, INC.

    Mc Lean, VA
    2 days ago
  • $100k - $120k

     ...development code and technical implementations Understanding of Magento architecture, extensions, and integrations Familiarity with APIs and third-party eCommerce integrations Strong project management and organizational skills Ability to balance hands-on development... 

    Medium

    Montgomery Village, MD
    1 day 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
    28 days ago
  •  ...patients and customers the highest priority. Job Description PHP Web Developer GeneDx, Inc Gaithersburg, MD GeneDx is a rapidly growing...  .... Collaborate with other programming teams to develop APIs and utilize multiple systems to solve workflow complex problems... 

    GeneDx

    Gaithersburg, MD
    1 day ago
  • $87.1k - $157.45k

     ...to support a high-visibility, data-driven application. You will be responsible for backend development, including creating RESTful APIs and collaborating on data systems. Candidates should have a degree in computer science and experience in Java or Python. The role offers... 

    COMFORT SYSTEMS

    Gaithersburg, MD
    5 days ago
  • $107.9k - $195.05k

     ...architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because of the expertise,...  ...ll design and build scalable backend services, develop RESTful APIs, integrate complex data sources, and ensure system reliability... 

    teKnoluxion Consulting

    Gaithersburg, MD
    1 day ago
  • $87.1k - $157.45k

     ...Consulting LLC is seeking a Mid-Level Backend Software Engineer in Gaithersburg, MD. This role requires developing backend systems using Java or Python, maintaining RESTful APIs, and collaborating with teams to integrate data sources. Candidates must have an active TS... 

    teKnoluxion Consulting LLC

    Gaithersburg, MD
    4 days ago
  • TLA-LLC is looking for a skilled Full Stack Developer to join our team in McLean, Virginia. You will design, develop, and maintain robust web applications, ensuring optimal performance across platforms. The ideal candidate is proficient in front-end technologies like HTML... 

    TLA-LLC

    Mc Lean, VA
    4 days ago
  • $107.9k - $195.05k

     ...a Backend Software Engineer based in Gaithersburg, MD. The role involves designing and building scalable backend services, developing RESTful APIs, and working in a Linux environment. Candidates must have an active TS clearance (SCI eligibility) and a bachelor's or master... 

    teKnoluxion Consulting LLC

    Gaithersburg, MD
    5 days ago
  •  ...software engineer in Bethesda to design and maintain backend services using Python/Django and Java Spring Boot. You will collaborate in developing responsive frontends using modern frameworks like React or Angular, and implement automated testing. Preferred candidates will... 
    Flexible hours

    Guidehouse

    Bethesda, MD
    3 days ago
  •  ...Job Title: Senior .NET Full Stack Developer Job Location: Hybrid (Wednesdays in Silver...  ...Mastery - Expert in C#, ASP.NET Core, RESTful APIs, and modern front-end frameworks...  ...Design, develop, and maintain interactive web application systems Manage a large portfolio... 

    RIT Solutions, Inc.

    Silver Spring, MD
    3 days ago