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  • A leading IT Solutions Provider is seeking an experienced API Developer to design, develop, and maintain advanced RESTful APIs. The ideal candidate will have over 5 years of backend development experience and strong communication skills. Responsibilities include optimizing... 
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    ActioNet, Inc.

    Aurora, CO
    5 days ago
  •  ...visibility application aimed at data analytics and reporting. Candidates should have solid experience with Java or Python and RESTful API development, alongside a degree in Computer Science or equivalent. US Citizenship and an active TS/SCI clearance are required. The... 
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    COMFORT SYSTEMS

    Aurora, CO
    1 day ago
  •  ...Vision Technologies is looking for a full-time Software Engineer (Web Developer) in Denver - Littleton, CO. The role involves frontend web...  ...control systems. This opportunity includes working with RESTful APIs and ensuring compliance with accessibility standards. Join a... 
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    Full time

    Bright Vision Technologies

    Denver, CO
    4 days ago
  • $115k - $139k

     ...Summary: Our client is seeking a Senior QA Engineer (Backend/API Testing) to join their team! This position is located in...  ...defects and testing progress in Jira Collaborate closely with developers to reproduce and resolve defects Validate service integrations... 
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    Local area

    KellyMitchell Group

    Greenwood Village, CO
    5 days ago
  • $130k - $150k

     ...Software Engineer to build and enhance backend services powering APIs and integrations. The ideal candidate has 6+ years in backend...  ...development, specifically with Python/Django, and experience with modern developer tools. This role offers a competitive salary of $130K-$150K,... 
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    Remote work

    Nutrislice

    Denver, CO
    6 days ago
  • Maania Consultancy Services is seeking a skilled frontend developer in Denver, Colorado. The role requires proficiency in modern web development frameworks, JavaScript standards, and experience with RESTful APIs. Knowledge of Agile methodologies and version control systems... 
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    Maania Consultancy Services

    Denver, CO
    5 days ago
  • $95k - $115k

     ...teams to improve system integration. The ideal candidate should have over 3 years of relevant testing experience, especially in REST APIs, and a strong commitment to quality assurance. This role offers a salary range of $95,000 to $115,000 and includes full medical... 
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    Starz

    Denver, CO
    1 day ago
  •  ...on the development of the platform which provides APIs and Technologies that underpin the features being developed for the service. We will leverage your knowledge of...  ...Build exciting new experiences on Fancandy’s web and mobile websites Work with other leads and production... 
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    FanCandy

    Aurora, CO
    3 days ago
  • An innovative firm is seeking a talented Java Developer to join their dynamic team. In this role, you will take ownership of delivering...  ...offers the chance to work on exciting projects involving REST APIs, Microservices, and cloud technologies, making a significant impact... 
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    TechDigital Group

    Englewood, CO
    4 days ago
  •  ...and interest in other database technologies such as columnar systems. ~ Experience with scaling, performance, and benchmarking of APIs and data processing systems. ~ Fluency with tools such as Copilot, Cursor, Claude Code, Kiro and a track record of using them to build... 
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    Work visa

    GrabJobs

    Denver, CO
    1 day ago
  • Front End GUI Developer / Software Engineer LOCATION Aurora, CO 80014 CLEARANCE TS/SCI Full...  ...concepts into functional and visually engaging web or application interfaces. If you have a...  ...principles Understanding of RESTful APIs Ability to integrate with back-end... 
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    Temporary work
    For contractors
    Immediate start
    Flexible hours

    Cymertek Corporation

    Aurora, CO
    1 day ago
  •  ...entry-level software programmers, IT enthusiasts, Python/Java developers, Data analysts/ Data Scientists. We welcome candidates with...  ...software programming Spring boot, Microservices and REST API's experience Excellent written and verbal communication skills... 
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    SynergisticIT

    Aurora, CO
    3 days ago
  • $40 - $53 per hour

     ...Description Job Description Unison Systems is looking for a UI Developer/Designer to join our national telecommunications client growing...  ...2 - 5 years of experience. Looking for React, React-Context-Api, React Hooks, CSS, JavaScript, Material UI. Nice to have is AWS... 
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    Hourly pay

    Unison Systems Inc.

    Englewood, CO
    a month ago
  •  ...technology firm is seeking an experienced Conversion and Reporting Developer for a full-time, on-site role. The ideal candidate should...  ...services, and Spring frameworks. Responsibilities also include API development and continuous deployment practices. Working knowledge... 
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    Full time

    PEOPLECORP AMERICA INC

    Denver, CO
    3 days ago
  • Overview IgniteAction is seeking an experienced API Developer to join our team and contribute to the development of advanced APIs that drive innovative large public data discovery and analytics applications. As an API Developer, you will design, develop, test, and maintain... 
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    Full time
    Flexible hours

    ActioNet, Inc.

    Aurora, CO
    5 days ago
  •  ...to operate spacecrafts. Our software is a web-based application modern (React/TypeScript...  ...Key Responsibilities Develop key user-facing features to support both current...  ...future use Develop internal & public APIs Engineer algorithms and business logic... 
    Permanent employment
    Local area
    Worldwide

    York Space Systems LLC

    Greenwood Village, CO
    1 day ago
  •  ...currently seeking a talented Full Stack Developer to join our dynamic team and contribute to...  ...passionate about creating seamless and integrated web applications, we invite you to apply and...  ..., MySQL). Knowledge of RESTful APIs and web services. Strong understanding... 
    Full time
    Internship
    Work at office
    Work from home
    2 days per week

    PIN Business Network

    Greenwood Village, CO
    4 days ago
  • $115k

     ...Full Stack Developer Location: Greenwood Village, Colorado Position Type: Fulltime Salary...  ...only Job Description: The Full Stack Web Engineer with strong front end abilities...  ...robust user interfaces that connect to various API's that can stand up to a variety of... 
    Full time
    Work at office
    Local area
    Flexible hours

    Staffing the Universe

    Greenwood Village, CO
    2 days ago
  • $130k - $150k

     ...DeNOVO Solutions is seeking a Full Stack Engineer - Mid to design, develop, and maintain scalable applications across the full technology...  ..., and MongoDB . This role focuses on building modular APIs, implementing NiFi flows for messaging and integration, and writing... 
    Full time

    DeNovo Solutions, LLC

    Aurora, CO
    4 days ago
  •  ...8+ years of software engineering experience in production environments ~ Strong backend expertise in.NET / C# (ASP.NET Core, REST APIs) ~ Proficiency in React (TypeScript preferred) and modern frontend practices ~ Solid experience with SQL, databases, and stored... 

    InterSources

    Greenwood Village, CO
    4 days ago
  • $108.4k - $227.5k

     ...Job Title: Mid-Senior Full Stack Developer Job Category: Engineering Time Type: Full time Minimum Clearance Required...  ...between our platform and its customers - a sophisticated API layer and modern web UI delivering critical, real-time data to third-party partners... 
    Full time
    Contract work
    Work experience placement
    Remote work
    Flexible hours

    CACI International

    Aurora, CO
    12 days ago
  • $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... 
    Local area
    Immediate start

    Leidos

    Aurora, CO
    2 days ago
  •  ...entire machine learning lifecycle. You’ll build clean, scalable APIs and solve unique challenges that arise when working with unstructured...  ...engineering for our commercial products. What you will do Develop our open source SDK, as well as our enterprise APIs, UIs, and... 
    Remote work
    Flexible hours

    Stryker

    Aurora, CO
    5 days ago
  • $53 - $55 per hour

     ...critical systems on an as needed basis. Develop and maintain technical documentation....  ...problems for production applications and web services supported by the team in accordance...  ...Experience with building and designing REST APIs using scala. Experience with software... 
    Contract work
    Local area
    Immediate start

    Pyramid Consulting

    Aurora, CO
    5 days ago
  • $250k

     ...demonstrate Gravitee's solutions. The role requires over 5 years of experience in a solutions-oriented role, strong technical knowledge in API management, and good understanding of AI tools. The position offers a hybrid work environment and a competitive salary package up to... 

    Gravitee Topco Limited.

    Denver, CO
    4 days ago
  • $82.1k - $172.4k

     ...Opportunity:**We are looking for a Full Stack Developer who will be responsible for designing,...  ...and backend software for a complex web application Translating software requirements...  ...development of microservices and RESTful APIs* Knowledge of how to work in an Agile/Scrum... 
    Contract work
    Work experience placement
    Flexible hours

    CACI International Inc.

    Aurora, CO
    2 days ago
  • $115k - $135k

     ...to join our Denver-based Healthcare partner. Backend Software Developer Type: Direct Hire; $115 - $135,000 Location: Denver, CO –...  ...patterns. ~ Extensive experience with RESTful services and API integration and GraphQL APIs ~ Experience implementing authentication... 

    Unison Systems Inc.

    Englewood, CO
    8 days ago
  • $110k - $140k

     ...support our rapid expansion. In return, we offer the opportunity to develop your career in an entrepreneurial, nimble, and dynamic...  ...maintenance Design and develop scalable backend services and APIs using C# / .NET Build complex, responsive, and accessible user... 
    Work at office

    Unison Systems Inc.

    Englewood, CO
    a month ago
  •  ...seeking a Senior Data Science Specialist for a long-term, remote position. The selected candidate will have a crucial role in developing scalable APIs and working on advanced AI projects. Candidates should possess strong Python skills and experience with AWS and FastAPI,... 
    Part time
    Remote work

    Sloboda studio

    Aurora, CO
    1 day ago
  •  ...ensuring scalability and performance. The ideal candidate has strong JavaScript and TypeScript skills, and experience with PostgreSQL and RESTful APIs. This position offers a 100% remote work option and opportunities for growth within a collaborative team. #J-18808-Ljbffr
    Remote work

    Coder Technologies Inc.

    Denver, CO
    1 day ago