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  • SharePoint Online & Power Platform Developer

     ...Cancer Research. We're hiring a SharePoint Online & Power Platform Developer to design, build, and support enterprise Microsoft 365 solutions...  ...systems and third-party applications using Microsoft Graph API, REST APIs, and Azure services.Implement solutions in line with... 
    Suggested
    Full time
    Part time

    Frederick National Laboratory for Cancer Research

    Frederick, MD
    2 days ago

  • Platform Software Engineer 1 - Full-time Intern Conversion

    $74.1k - $148.3k

     ...backward-compatible changes. Monitors basic platform metrics and API usage within a limited scope. Contributes to documentation by...  ...software features and enhancements following design specifications and develops documents to clarify software design and code. Conducts... 
    Suggested
    Full time
    Temporary work
    Internship
    H1b
    Flexible hours
    Shift work

    Oracle

    Frederick, MD
    2 days ago

  • Mid-Level Software Engineer

    $87.1k - $157.45k

     ...an Intelligence Community customer. In this role, you’ll design, develop, and deliver modern software solutions that enable critical...  ...functional development teams to build and maintain microservices, APIs, and web-based applications that support GEOINT data access, visualization... 
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    Full time
    Contract work

    Leidos

    Gaithersburg, MD
    8 hours ago

  • Software Developer and DevOps Engineer

    $46 - $62 per hour

     ...Job Description Job Description Job Title: Software Developer and DevOps Engineer Work Arrangement: Onsite Location: Frederick...  ...from assigned task orders, covering application development, API and systems integration, deployment pipelines, and automation that... 
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    Hourly pay
    Contract work
    Local area
    Monday to Friday

    Dhaka Technologies Limited Company

    Frederick, MD
    8 days ago

  • Senior Software Engineer

    $80k - $180k

     ...Our day-to-day work is in C# on .NET Core with MVC and Vue.js at the front-end. We develop software as simple as forms for data capture to Roslyn-based C# class - ReST API generators to custom patterns handling our enrollment engine. We believe the best part of... 
    Suggested
    Work at office

    Employee Navigator

    Frederick, MD
    3 days ago

  • Software Engineer

     ...position is primarily responsible for researching, designing, and developing computer software systems, in conjunction with hardware product...  ...hardware Design and develop flexible and powerful APIs to support higher level software system integration Perform... 
    Suggested
    Remote work
    Flexible hours

    WGS SYSTEMS LLC

    Frederick, MD
    a month ago

  • Software Developer in Test (SDET) - II

     ...Syms Strategic Group (SSG)  is seeking a talented Software Developer in Test (SDET) Location: Remote Department: Veterans Affairs...  ...testing web applications, Application Programming Interfaces (APIs), and services An understanding of security testing practices... 
    Suggested
    Full time
    Work experience placement
    Remote work

    Ssg

    Frederick, MD
    8 hours ago

  • Mid-Level Backend Software Engineer

    $87.1k - $157.45k

     ...application used across the organization for analytics and reporting. You’ll help build and maintain core backend services, develop RESTful APIs, support data‑driven functionality, and contribute to ongoing system enhancements within a Linux‑based environment. Your work... 
    Suggested
    Full time

    Leidos

    Gaithersburg, MD
    8 hours ago

  • Mid-level Software Engineer

    $90k - $100k

     ...with Internet Information Services (IIS) 7.0 or higher. We expect experience creating web services from the ground up and developing Web APIs. We prefer experience with Git-based source control. We require excellent organizational skills and strong attention to... 
    Suggested
    Contract work
    Remote work
    Flexible hours

    Edgewater Federal Solutions, Inc.

    Germantown, MD
    1 day ago

  • Multidisciplinary Systems Engineer (Mechanical/Software)

     ...integration with existing platforms Software Development (50%) Develop test automation scripts and data acquisition software for...  ...algorithms for raw sensor data to support ML model development Create APIs and data interfaces between sensor systems and analytics... 
    Suggested
    Contract work

    WGS SYSTEMS LLC

    Frederick, MD
    more than 2 months ago

  • Principal Software Engineering Lead (eCOA) - Evinova

    $165.66k - $217.42k

     ...and own architectural decisions for the eCOA platform, including API design, data models, service boundaries, and infrastructure...  ...DevelopmentLead, mentor, and grow a multi-squad engineering organization. Develop squad leads into strong technical leaders in their own right.Set... 
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    Full time
    Temporary work
    Work at office
    Immediate start
    Remote work
    Worldwide
    3 days per week

    AstraZeneca

    Gaithersburg, MD
    4 days ago

  • Multidisciplinary Systems Engineer (Electronics/Software)

     ...Responsibilities Electronics Engineering (50%): Design and develop analog and digital circuits, power distribution systems, and...  ...algorithms for raw sensor data to support ML model development Create APIs and communication protocols between embedded systems and cloud... 
    Suggested
    Contract work

    WGS SYSTEMS LLC

    Frederick, MD
    8 days ago

  • Mid-Level Test Engineer

    $87.1k - $157.45k

     ...an opportunity to work alongside talented engineers, software developers, product managers, and mission experts to build innovative geospatial...  ...such as Cypress, Playwright, or equivalent.Experience with API testing using tools such as Postman or REST Assured.Familiarity... 
    Suggested
    Full time
    Contract work

    Leidos

    Gaithersburg, MD
    4 days ago

  • Sr Oracle EBS/APEX Application Developer - Interfaces & Integrations

    $100k - $130k

     ...agencies. We are seeking a Senior Oracle EBS/APEX Application Developer to support the implementation, integration, and ongoing operation...  ...inbound and outbound integrations using SQL, PL/SQL, EBS APIs, open interfaces, concurrent programs, and REST/SOAP web services... 
    Suggested
    Permanent employment
    Temporary work
    Visa sponsorship

    i360technologies, Inc.

    Gaithersburg, MD
    a month ago

  • Oracle EBS Application Developer

    $110k - $120k

     ...seeking an experienced R12 Oracle EBS RICE and PL/SQL Financials R12 Developers to support an existing R12 Federal Financials shared service...  ...Procedural Language/Structured Query Language (PL/SQL), R12 APIs and web services Utilize R12 APIs to establish web services... 
    Suggested
    Permanent employment
    Temporary work
    Visa sponsorship
    Monday to Friday

    i360technologies, Inc.

    Gaithersburg, MD
    a month ago

  • .net developer

     ...We are looking for a .Net developer to build software using languages and technologies of the .NET framework. You will create applications from scratch, configure existing systems and provide user support.Required SkillsDevelopment skills in programming technologies in... 

    Q1 Technologies

    Frederick, MD
    2 days 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... 
    Full time
    Relocation
    Shift work

    Ennoble First, Inc.

    Gaithersburg, MD
    4 days ago

  • Full Stack Python Developer

     ...Do: Government contractor is seeking a Full Stack Python Developer to build and scale user-facing and backend applications that power...  ...and data teams to productionize models through robust APIs, workflows, and operational tooling. You will help deliver mission... 
    For contractors
    Work experience placement

    Nicholson Strategic Solutions

    Leesburg, VA
    4 days ago

  • Senior C# .NET Full-Stack Engineer (Hybrid)

    Employee Navigator is seeking a senior software engineer to join our on-site/hybrid team in Bethesda, MD or Salt Lake City, UT. You will work with C#, .NET Core, MVC, and Vue.js to design and build scalable features for our enrollment engine. You will participate in code...

    Employee Navigator

    Frederick, MD
    4 days ago

  • Senior Full Stack Java Developer

    $70 per hour

     ...Overview:We are seeking a talented and experienced Full Stack Developer to join our team. As a Full Stack Developer, you will be responsible...  ...Java, Angular 9 and above, Node, ES 6, Spring boot and REST API Position Description: Develop highly innovative products/solutions... 
    Hourly pay
    Full time
    Contract work
    Remote work
    Relocation

    KR Group LLC

    Gaithersburg, MD
    1 day 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...  ...such as Junit and MockitoSignificant experience with RESTful API, JSON, XML, XSDSignificant experience with Spring Framework,... 
    Full time
    Remote work

    Leidos

    Gaithersburg, MD
    1 day ago

  • Sr. SQL Engineer

    $130k - $160k

     ...on this effort will work with cross-functional teams to design, develop, and deploy impactful capabilities while helping shape the architecture...  ...applications using object-oriented design principles. • REST API Development: Implement and maintain RESTful services to support... 
    Full time
    Remote work

    Ennoble First, Inc.

    Gaithersburg, MD
    2 days ago

  • Senior Embedded Software Engineer - Lead Linux Systems

    Leonardo DRS is seeking a Senior Embedded Software Engineer in Frederick, MD. The role involves developing leading-edge embedded software and requires strong experience in C/C++ on Linux systems. You will design and analyze software applications for complex devices, participate... 

    Leonardo DRS

    Frederick, MD
    3 days ago

  • Software Developer

     ...Syms Strategic Group (SSG)  is seeking a talented Software Developer Location: Remote Department: Veterans Affairs Type:  Full Time Min. Experience:  Experienced Security Clearance Level:  Public Trust (MBI)  Military Veterans are highly encouraged... 
    Full time
    Remote work

    Ssg

    Frederick, MD
    8 hours ago

  • Appian Developer

     ...Your role and responsibilities This role will design and develop Appian solutions. This will include: • Implementing end to end...  ...Integrating with external applications using REST and SOAP based APIs. • Developing Appian plugins (Java) • Updating Appian plugins... 
    Worldwide

    IBM

    Frederick, MD
    4 days ago

  • Senior IT Solutions Engineer

    $150k - $200k

     ...provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the world’s toughest challenges, like protecting the environment, making sure our food is safe or helping... 
    Temporary work
    Work at office

    Thermo Fisher Scientific

    Frederick, MD
    1 day ago

  • Mobile Engineer - Commercial Facilities

    Mobile Engineer – Commercial Facilities Location: Frederick, MD Join a Team That Keeps Buildings Running Are you an experienced maintenance professional who enjoys working independently, solving complex mechanical issues, and supporting multiple commercial facilities...
    For contractors

    MalaceHR

    Frederick, MD
    more than 2 months ago

  • Principal Application Engineer

    $144.8k - $199.1k

     ...Banner Life as a business and collaborate with leaders to contribute to cohesive, end-to-end experiences for customers. Design and develop web-based applications and micro-services using both front-end and back-end technologies (full stack development), including but... 
    For contractors
    Work experience placement
    Relocation package

    Banner Life Insurance Company

    Frederick, MD
    5 days ago

  • Unit System Integrator

    Job Description Job Description Unit System Integrator II/IIIFull Time, Ft. Detrick, MDSecret clearance required**This position is contingent upon government approval**Overview:Semper Valens Solutions is seeking an experienced Unit System Integrator to support our...

    Semper Valens Solutions

    Frederick, MD
    7 days ago

  • Lead Software Developer

    $87.1k - $157.45k

    Leidos is seeking Lead Software Developers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of...  ...testing tools such as Junit and MockitoExperience with RESTful API, JSON, XML, XSDExperience with Spring Framework, Spring... 
    Full time
    Remote work

    Leidos

    Gaithersburg, MD
    2 days ago