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  • $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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    KellyMitchell Group

    Greenwood Village, CO
    17 hours ago
  •  ...focusing on quality assurance for backend automated testing of microservices supporting Wi-Fi routers. Key responsibilities include REST API testing and automating tests using Java and JUnit. Applicants should have a solid understanding of API testing and experience with... 
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    Eliassen Group

    Englewood, CO
    1 day ago
  • 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
    17 hours 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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    Nutrislice

    Denver, CO
    1 day 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
  • $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
  • A leading technology company is seeking a Software Developer to join their team in Englewood. The role focuses on full lifecycle application development with an emphasis on back-end and front-end technologies. Candidates should have strong expertise in Java, Angular, and... 
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    Compunnel, Inc.

    Englewood, CO
    4 days ago
  • A leading technology service provider in Colorado is seeking a Mid-Senior Full Stack Developer to design and build web applications and APIs. Responsibilities include designing front-end applications with React and building scalable APIs using Node.js and Python. The ideal... 
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    Flexible hours

    CACI International Inc

    Aurora, CO
    3 days ago
  • A leading defense contractor in Aurora, Colorado is seeking a Mid-Senior Full Stack Developer. In this role, you'll design and build sophisticated web interfaces and APIs that deliver real-time data. Strong knowledge of JavaScript, React, and Docker is essential. Prior... 
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    Flexible hours

    CACI International Inc.

    Aurora, CO
    1 day ago
  • System One is looking for a Senior Back End Software Developer in Colorado Springs, Colorado. The candidate should have a B.S. in Computer...  ...include maintaining server-side logic, creating APIs, and designing database schemas. Proficiency in languages like... 
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    System One

    Denver, CO
    2 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
  • A technology solutions provider in Englewood, Colorado seeks a Senior Java Engineer to develop client-facing REST APIs and enhance microservices. The role requires strong Java or Scala experience, familiarity with cloud deployment, and the ability to work collaboratively... 
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    TechDigital Group

    Englewood, CO
    2 days ago
  • $140k - $165k

     ...Expert Front End Web Developer Location: Littleton, CO Clearance: TS clearance required with polygraph eligibility Schedule:...  ...Backbone.js and Ember.js, D3) • Design and integrate RESTful APIs to support dynamic, user-facing applications • Guide development... 
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    Ennoble First, Inc.

    Littleton, CO
    3 days ago
  •  ...the NGA based on agency directives. We are developing innovative solutions for geospatial...  ...Required Qualifications: Frontend web development using modern techniques and frameworks...  ...js and Ember.js, D3) Consuming RESTful APIs Using and working in team environments... 
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    Flexible hours

    North Point Technology

    Littleton, CO
    16 days ago
  •  ...looking for entry-level software programmers, Java full-stack developers, Python/Java developers, data analysts/data scientists, and machine...  ...Spring boot, microservices, Docker, Jenkins, and REST API experience Excellent written and verbal communication skills... 
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    Full time
    H1b

    SynergisticIT

    Centennial, CO
    17 hours ago
  • $100k - $120k

     ...GPS solutions seeking Full Stack Software Developer  WHAT WE DO Headquartered a few miles...  ...develops solutions for external/internal web services. The ideal candidate will demonstrate...  ...Requirements:  Experience with API integration and cloud-based architectures... 
    Work at office
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    Immediate start
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    Monday to Friday
    Afternoon shift

    PassTime

    Littleton, CO
    17 hours ago
  • $115k - $130k

     ...Job Summary: Our client is seeking a Full Stack Developer to join their team! This position is located in Denver, Colorado...  ...socket, ping, SNMP, etc. ), database integration, Python web frameworks, RESTful API integration (React, Django) Strong ability to transform... 
    Local area

    KellyMitchell Group

    Greenwood Village, CO
    3 days ago
  •  ...Engineer for a 6-month contract to help build the core cloud services, APIs, microservices, and data workflows that power Youtopia's...  ...modern, cloud-native backend services using .NET 10 and C#Design and develop robust APIs, microservices, and domain-driven... 
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    Youtopia Inc

    Littleton, CO
    1 day ago
  • $110k

     ...Full Stack Developer - Strong Front End Location: Greenwood Village, Colorado Position Type: Fulltime Salary: $110k/yr. US Citizen...  ...Utilizes Github Ability to tie into custom developed API's or create API's if functionality doesn't exist. Need someone... 
    Full time
    Work at office
    Local area

    Georgia IT Inc

    Greenwood Village, CO
    3 days ago
  • $151.7k - $205.23k

     ...partners. About the role We are seeking a Software Engineer Web Developer - Front End to support the design, development, and deployment...  ...responsive design approaches. Consume and integrate RESTful APIs to support user-facing application behavior. Create and maintain... 
    Temporary work
    Work experience placement
    Flexible hours

    Four Sea Group

    Littleton, CO
    4 days ago
  • $70 - $80 per hour

     ...Security as well as C#, .NET Framework, .NET Core, or .NET 6/7+ Develop RESTful APIs, microservices, and backend services Integrate...  ...Boot/Spring Security Experience with ASP.NET Core, MVC, and Web API Working knowledge of SQL Server, Entity Framework, LINQ... 
    Hourly pay
    Permanent employment
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    Work experience placement

    Randstad

    Greenwood Village, CO
    4 days ago
  • $165k - $190k

     ...technology company based in Centennial, CO is seeking an experienced UI Development Manager to lead frontend architecture and guide backend API design. The ideal candidate should have over 15 years of software development experience with in-depth knowledge of Vue.js and React.... 

    LT ZERO Asia Pacific

    Englewood, CO
    17 hours 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
  • A leading real estate technology firm based in Denver is seeking a Full-Stack Developer to create scalable software solutions. The role involves working through the entire software development lifecycle, collaborating across teams to meet business requirements. Candidates... 

    SitusAMC Holdings Corporation

    Denver, CO
    1 day ago
  •  ...Java API Architect San Francisco, California, United States Or refer someone Job Openings Java API Architect About the Job...  ...of cloud experience using Azure/AWS Skilled Full stack Java Developer with 10+ years of experience using Java, Spring boot and SQL.... 

    Knack Solutions

    Denver, CO
    1 day ago
  •  ...cost. Job Description ROLE :Full Stack Java Developer Location: Englewood ,CO Duration:6 MONTHS...  ...must have the ability to construct Web pages using AngularJS. Candidate must also...  ...development including RESTful WebServices and APIs, DAO/DTO, mySQL/Postgres This project... 
    Immediate start

    Artech Information System LLC

    Englewood, CO
    4 days 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... 
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    Local area
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    Eliassen Group

    Denver, CO
    2 days ago
  •  ...available What's the Job? Design, develop, and maintain robust applications using...  ...and related frameworks. Create RESTful APIs, microservices, and backend services to support...  .../Spring Security and ASP.NET Core, MVC, Web API. ~ Working knowledge of SQL Server,... 
    Weekly pay
    Temporary work
    Flexible hours

    Experis/Manpower Group

    Greenwood Village, CO
    2 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
    21 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
    28 days ago