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  •  ...join their team. This role is ideal for an experienced backend developer passionate about building scalable, high-performance systems using...  .... You’ll be responsible for designing and developing robust APIs, optimizing database performance, and driving backend architecture... 
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    Full time

    Motion Recruitment

    Boulder, CO
    5 days ago
  •  ...along the way. \n \n Required Skills & Experience \n ~10+ Years of experience with the following: ~ C# ~ .NET ~ SQL ~ API Development\n Desired Skills & Experience ~ Cloud experience\n What You Will Be Doing \nTech Breakdown ~90% backend development... 
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    Full time
    Local area

    Motion Recruitment

    Boulder, CO
    4 days ago
  • $90k - $130.5k

     ...Earth.    We are looking for a Front-end Developer to join our weather team to help us...  ...quality, maintainable, and well-documented web applications following modern responsive...  ...integrating web applications with backend APIs (REST, OGC) ~Bachelor's degree in Computer... 
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    3 days per week

    Spire

    Boulder, CO
    more than 2 months ago
  • $165k - $185k

     ...visualization, interactive assistants, and deployment feedback loops. Develop and/or implement algorithms for auto-layout mechanisms for...  ...collaborative apps, or agent-integrated interfaces. Familiarity with API design, async orchestration patterns, and integrating LLM-driven... 
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    Circadence Corporation

    Boulder, CO
    2 days ago
  • Overview Lynker is seeking a talented Lead Web Developer to support the National Centers for Environmental Prediction (NCEP) at the Space...  ...prototypes into production environments. Develop and maintain APIs, containerized services (e.g., Docker), and middleware components... 
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    Temporary work
    Local area
    Remote work
    Flexible hours

    Lynker

    Boulder, CO
    5 days ago
  • $160k - $210k

     ...Product Manager, Engineering Manager, Technical Leads and other developers in the execution of projects under the team roadmap....  ...distributed systems and applications, real-time, scalable web services and REST APIs. Experience with data frameworks such as Spark, Kafka, Kubernetes... 
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    Full time
    Work at office
    Remote work
    Flexible hours

    Affirm

    Boulder, CO
    3 days ago
  • $137.6k - $180.3k

    Senior Full Stack Developer page is loaded Senior Full Stack Developer Apply locations Boulder, CO Golden, CO time type...  ...cross-functional teams to analyze, design, and implement web-based applications and backend APIs Develop and maintain scalable and high-performance web... 
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    Full time
    Temporary work
    Work experience placement
    H1b
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    Allegion Canada Inc.

    Boulder, CO
    3 days ago
  • $150k - $180k

     ...full stack engineer, you'll contribute across backend services, API design, and a React-based frontend—helping build a 0-1 new product...  ...-time infrastructure orchestration. Key Responsibilities Develop and maintain full stack features using Python (Django/FastAPI)... 
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    Local area

    Circadence Corporation

    Boulder, CO
    more than 2 months ago
  •  ...Engineering Manager Primary Responsibilities Develop and maintain a data-heavy web application built in React, optimizing user experience and...  ...such as  PL/SQL or  T-SQL Experience developing REST API endpoints in Java; preferably Spring or Spring Boot... 
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    Full time
    Work experience placement
    Work at office
    Local area
    Flexible hours

    REC

    Boulder, CO
    more than 2 months ago
  •  ...our browser-based, enterprise software product. You will design, develop, and test complex programs that run on a multi-terabyte database...  .../Spring Boot ~ Proficiency in building and maintaining REST APIs ~ Python experience is a plus Engineering Practices... 
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    Full time
    Work experience placement
    Work at office
    Local area
    Flexible hours

    REC

    Boulder, CO
    more than 2 months ago
  • $140k

    Join to apply for the Back End Developer role at Humoniq (YC S25) Direct message the job poster from Humoniq (YC S25) Building AI contact...  ...in travel and transport industries. You will design and build APIs and services that ingest large volumes of support events, store... 
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    Shift work

    Humoniq (YC S25)

    Boulder, CO
    6 days ago
  •  ...time Company Description T11D's engineers develop the next-generation technologies for the outdoor...  ...at massive scale, and extend well beyond web search. We're looking for engineers who...  ...or AWS You are proficient with RESTful API design and implementation You understand what... 
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    Flexible hours

    Huck Adventures

    Boulder, CO
    4 days ago
  • $100k - $110k

     ...Engineer with strong experience in Angular, C#, and .NET Core Web API development. You will be part of a collaborative team responsible...  ...Build and maintain RESTful APIs using .NET Core Web API Develop and optimize SQL queries and database structures Collaborate with... 
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    Full time

    TransPerfect

    Boulder, CO
    6 days ago
  • $160k - $180k

     ...on lawn care, utilizing cutting‑edge data analytics. We develop scalable, high‑performance web applications and seek a Staff‑level engineer who will shape...  ...architectures that integrate seamlessly with backend APIs. Technical decision‑making: evaluate trade‑offs and make... 
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    Jobot

    Boulder, CO
    3 days ago
  • $160k - $180k

     ...backend engineers to build high-quality, performant, and scalable web applications. REQUIREMENT: You must reside in one of the...  ...performance frontend architectures that seamlessly integrate with backend APIs. Technical Decision-Making: Evaluate trade-offs between... 
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    Jobs via Dice

    Boulder, CO
    3 days ago
  • $116k - $141k

     ...collaborative, small-team environment and be able to engineer, prototype, develop, integrate, and test advanced software. *Resumes, Cover...  ...with Python ~ Experience building and maintaining RESTful APIs ~ Experience working with CI/CD pipelines, deployment... 
    Full time
    Temporary work
    Work experience placement
    Immediate start
    Remote work
    Flexible hours

    Scitec

    Boulder, CO
    4 hours ago
  •  ...team that embraces people who can overcome tough challenges and do more faster.   About you: We’re looking for a front-end developer with deep experience in: PHP JavaScript jQuery CSS HTML Rafael (desired)   Fair warning: We work hard, play... 
    Full time
    Flexible hours

    Simple Energy

    Boulder, CO
    4 hours ago
  • $115k - $130k

     ...release notes, and clear communication. Build and maintain scalable web experiences using React, TypeScript, Node.js, Tailwind, and...  ...implementations to support data-driven decision making. Work with APIs and microservice-driven architecture to integrate features and improve... 
    Full time
    Remote work
    Monday to Friday

    Resource Label Group

    Longmont, CO
    3 days ago
  • $82.26k

     ...difficult problems. Independently determines and develops approach to solutions. Designs, develops,...  ...in developing advanced multimodal (web, Unity/Unreal, augmented reality/virtual reality...  ...developing and consuming RESTful APIs and other web services Experience deploying... 
    Hourly pay
    Contract work
    Temporary work
    For contractors
    Work experience placement
    Remote work

    Arcfield

    Louisville, CO
    3 days ago
  •  ...interested in the front-end space and stay abreast of the latest developments. You are a fast learner with strong software development skills...  ...and technology decisions REQUIREMENTS: Deep knowledge of web technologies and experience with the latest and greatest web standards... 

    soundhound

    Boulder, CO
    5 days ago
  •  ...dive into a dynamic stack, building scalable services, evolving APIs, and transforming modern architectures. You’ll help ensure our...  ...Requirements Required Qualifications: ~ Experience developing in an Object Oriented programming language such as Java or C#.... 
    Minimum wage
    Full time
    Temporary work
    Work experience placement
    Work at office
    Flexible hours

    Peaksware

    Louisville, CO
    more than 2 months ago
  • $123k - $176k

     ...qualifications 3 years of experience working with web technologies (e.g., HTML, CSS, JavaScript, or Experience architecting and developing software or infrastructure for scalable,...  ...on technical proposals, and fast‑tracing API updates required for our support platforms.... 
    Full time

    Google

    Boulder, CO
    6 days ago
  •  ...Python). Preferred qualifications: Experience architecting and developing software or infrastructure for scalable, distributed systems. Experience...  ...agent tools, implement backend bug fixes, and fast-track API updates for Authorable Workflows (AWFs) to create a seamless... 

    Google Inc.

    Boulder, CO
    3 days ago
  • $130.5k - $171k

     ...spacecraft). The successful candidate will play a crucial role in developing software for our satellite systems, contributing to the...  ...integration Create and maintain comprehensive documentation for APIs and system architectures Contribute to the continuous improvement... 
    Work at office
    3 days per week

    Spire Global, Inc.

    Boulder, CO
    5 days ago
  • $90k - $130.5k

     ...spacecraft). The successful candidate will play a crucial role in developing software for our satellite systems, contributing to the...  ...integration Create and maintain comprehensive documentation for APIs and systemarchitectures Contribute to the continuous improvement... 
    Contract work
    For contractors
    Work at office
    Immediate start
    Relocation
    3 days per week

    Spire Global, Inc.

    Boulder, CO
    3 days ago
  • $130.5k - $171k

     ...spacecraft). The successful candidate will play a crucial role in developing software for our satellite systems, contributing to the...  ...integration ~Create and maintain comprehensive documentation for APIs and system architectures ~Contribute to the continuous improvement... 
    Work at office
    3 days per week

    Spire

    Boulder, CO
    a month ago
  • $137k - $200k

     ...Experience with software as a service and web technologies. Preferred qualifications:...  ...of web and related technologies (e.g., APIs, XML/HTML), including a working knowledge...  ...player in a dedicated team, responsible for developing and executing the technical go-to-market... 
    Full time
    Worldwide

    Google

    Boulder, CO
    3 days ago
  • $190k - $210k

     ...traffic. We build a distributed system in a highly collaborative environment, utilizing a broad range of technologies. Our backend developers work on finding solutions to algorithmic, optimization, and scale challenges in everything we do. What you’ll do Some of the work... 
    Full time
    Temporary work

    The Trade Desk, Inc.

    Boulder, CO
    5 days ago
  •  ...Models (LLMs) with deterministic conversational workflows and the development of reusable, API-driven tool calls. Experience with cloud technologies such as architecting, developing, or maintaining cloud solutions in virtualized environments or cloud data engineering.... 

    Google

    Boulder, CO
    5 days ago
  • $123k - $176k

     ...years of experience working with client-side web technologies (e.g., HTML, CSS, JavaScript...  ...cloud technologies such as architecting, developing, or maintaining cloud solutions in...  ...accelerate the development and troubleshooting of APIs/workflows to drive business impact.... 
    Full time

    Google

    Boulder, CO
    3 days ago