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  •  ...Senior Backend Engineer Help Power the Future of Energy Trading Join the Market Leader in Electric Power Trading Solutions...  ...to: Senior Director of Engineering Key Responsibilities Develop, test, deploy, and maintain robust backend systems Provide architectural... 
    Senior
    Full time
    Work at office
    2 days per week

    REC

    Boulder, CO
    14 hours ago
  • Accelerating Data Intelligence Senior Full Stack Developer Boulder, CO·Full time Apply for Senior Full Stack Developer Make an impact at an exciting data/AI startup Description Why can’t working with data feel...human? That’s exactly why we built MS2: a better data platform... 
    Senior
    Full time
    Work at office

    MS2 Inc.

    Boulder, CO
    4 days ago
  •  ...international transformation. Position Summary As the Senior Fullstack Engineer, you will be responsible for building...  ...to: Engineering Manager Primary Responsibilities Develop and maintain a data-heavy web application built in React, optimizing user experience... 
    Senior
    Full time

    REC

    Boulder, CO
    14 hours ago
  • Full-time Company Description T11D's engineers develop the next-generation technologies for the outdoor industry that change how billions...  ...to handle information at massive scale, and extend well beyond web search. We're looking for engineers who bring fresh ideas from all... 
    Senior
    Full time
    Flexible hours

    Huck Adventures, Inc.

    Boulder, CO
    1 day ago
  •  ...quality in every aspect of game development. Role Overview As a Senior Backend Engineer , you will be instrumental in designing,...  ...Scalability: Leverage AWS, GCP, or Azure for scalable deployments. Develop auto-scaling, load-balancing, and disaster-recovery strategies.... 
    Senior
    Worldwide
    Flexible hours

    Battle Creek Games

    Boulder, CO
    4 days ago
  • Mapleton Hill developers work on a variety of projects throughout the year exposing them to new technologies. You’ll be working in small teams, with ownership over projects, to deliver high quality results for our clients. For this position we’re looking for experienced... 
    Senior
    Work experience placement

    Mapleton Hill, Inc.

    Boulder, CO
    1 day ago
  • Summary: Circadence is hiring a Senior Full Stack Engineer to join the team behind RangeGPT—an intelligent cyber range design and analysis...  ...-time infrastructure orchestration. Key Responsibilities Develop and maintain full stack features using Python (Django/FastAPI)... 
    Senior
    Full time
    Local area

    Circadence Corporation

    Boulder, CO
    4 days ago
  •  ...during international transformation. Position Summary The Senior Fullstack Engineer’s responsibility will be to create and...  ...our browser-based, enterprise software product. You will design, develop, and test complex programs that run on a multi-terabyte database... 
    Senior
    Full time
    Work experience placement
    Work at office
    Local area
    Flexible hours

    REC

    Boulder, CO
    13 days ago
  •  ...Senior Software Engineer Join TrainingPeaks as a Senior Software Engineer on our Workout Data team and help build the future of endurance training. At TrainingPeaks, we empower athletes and coaches to reach their goals through data-driven performance tools. As a... 
    Senior

    Peaksware

    Boulder, CO
    14 hours ago
  • $95k - $114k

     ...Spring Boot or functional programming background preferred). 3+ years experience in front-end development; creating RESTful Web applications, developed within the React ecosystem. Experienced in supporting services in production environments. Experienced in build... 
    Senior
    Full time
    Flexible hours

    Workday

    Boulder, CO
    25 days ago
  •  ...powers seamless experiences across multiple surfaces, including web, mobile, and slack. We use modern technologies, clean code, and...  ...experience in front-end development; creating RESTful Web applications, developed within the React ecosystem Experienced in supporting services... 
    Senior
    Work at office
    Remote work
    Home office
    Flexible hours

    Workday

    Boulder, CO
    3 days ago
  •  ...Lead Senior Database & Backend Engineer Huck Adventures brings people outside to explore the world together. The outdoor app makes...  ...business, operations and security challenges that arise in these developer ecosystems by proxying API traffic between provider and... 
    Senior

    Huck Adventures

    Boulder, CO
    14 hours ago
  • Senior Software Engineer, Backend (Batch Infrastructure) Join to apply for the Senior Software Engineer, Backend (Batch Infrastructure...  ...your team through your writing and tech talks. You will help develop talent on your team by providing feedback and guidance, and leading... 
    Senior
    Full time
    Work at office
    Remote work
    Flexible hours

    Affirm

    Boulder, CO
    2 days ago
  •  ...experiences all in one solution. About the role Swivl is hiring a senior engineer to help us build and maintain our omni-channel...  ...party products and tools relating to VoIP, Voice, and Video to develop solutions for our products' features. You will Lead the Omni Channel... 
    Senior
    Full time

    Swivl Inc

    Boulder, CO
    14 hours ago
  •  ...experiences all in one solution. About the Role Swivl is hiring a senior engineer to be an impact player on our engineering team. Our...  ...reducing duplication, and enhancing development efficiency. Design, develop, and maintain robust and scalable APIs. Ensure that our APIs... 
    Senior
    Full time

    Swivl Inc

    Boulder, CO
    14 hours ago
  •  ...All these brands are under the Peaksware umbrella. TrainingPeaks develops software for coaches and athletes to track, analyze and plan...  ...time spent unemployed. General Summary Join TrainingPeaks as a Senior Software Engineer on our Workout Data team and help build the future... 
    Senior
    Minimum wage
    Temporary work
    Work experience placement
    Work at office
    Flexible hours

    TrainingPeaks, LLC

    Louisville, CO
    3 hours agonew
  •  ...protocols and platforms for wireless chipsets including features enabled by 3G, 4G, 5G, AI and/or other current and future technologies. Develops and debugs platforms in-addition to on target development. Identify, evaluate and implement tools and processes to continually... 
    Senior
    Work at office
    Remote work
    Work from home

    Qualcomm

    Boulder, CO
    3 days ago
  •  ...accessing realistic, scalable training in dynamic outdoor environments. Job Summary We are looking for an experienced Senior Embedded Software Engineer to develop high-performance embedded systems for airborne military electronics. In this on-site role based in Louisville,... 
    Senior
    Full time
    Contract work
    Temporary work
    For contractors
    Relocation package
    Flexible hours

    Worth

    Boulder, CO
    3 days ago
  •  ...our organization. Responsibilities: 1. Design, build, and maintain efficient, reusable, and reliable Rust and Typescript code. 2. Develop and maintain cloud-based solutions on Google Cloud Platform (GCP). 3. Lead the design and implementation of features, services, and... 
    Senior
    Permanent employment
    Local area
    Remote work

    Jobot

    Boulder, CO
    4 days ago
  • Senior Embedded Software Engineer - Linux Job ID 2025-4633 Job Locations US-CO-Boulder | US-Remote Category Software Engineering...  ...performances, and much more. Responsibilities Design and develop world-class software on our industry-leading Q-SYS platform Collaborate... 
    Senior
    Full time
    Casual work
    Remote work

    QSC

    Boulder, CO
    2 days ago
  •  ...As a Senior Principal ML Engineer, you will be a key technical leader and visionary, driving the development and application of machine learning across Workday's product ecosystem. This includes architecting advanced AI systems and agents with a focus on agentic AI capabilities... 
    Senior
    Full time

    Workday

    Boulder, CO
    13 days ago
  •  ...Senior Principal Software Engineer At F5, we strive to bring a better digital world to...  ...bottlenecks, and risks. Experiment and develop proof-of-concepts, delivering impactful...  ...fundamentals, including cloud-based networks, web protocols, proxies, load balancing, API... 
    Senior

    F5

    Boulder, CO
    14 hours ago
  •  ...Web Developer Position We are musicians, athletes, coaches, and teachers who truly believe in our mission to help people achieve their...  ...with Design, Engineering, and Product teams, and report to the Senior Director, Growth Marketing. Key Responsibilities: Website... 
    Local area

    Peaksware

    Boulder, CO
    14 hours ago
  • Volunteer: Senior Apple App Developer (Objective C) for World's Best Wildlife Emergency App Join to apply for the Volunteer: Senior Apple App Developer (Objective C) for World's Best Wildlife Emergency App role at Animal Help Now Volunteer: Senior Apple App Developer (... 
    Senior
    Full time

    Animal Help Now

    Boulder, CO
    2 days ago
  • Senior Principal Engineer - Spacecraft Power Systems - $15K Sign On Bonus Join BAE Systems, Inc. as a Senior Principal Engineer - Spacecraft...  ...engineer, Responsible Engineer for EPDS components, and developing new payload interface boxes. Support power system sizing, scheduling... 
    Senior
    Remote work
    Relocation package
    3 days per week

    BAE Systems, Inc.

    Boulder, CO
    4 days ago
  • Senior Tax Manager (Shareholder Opportunity w/in Few Years) Boulder, CO (In Office Role) Public Accounting Salary: $100,000 - $140,...  ...QuickBooks is helpful Proficiency in Microsoft Office Ability to develop and retain clients Strong organizational skills and attention... 
    Senior
    Work at office
    Remote work

    Navigator Recruiting

    Boulder, CO
    1 day ago
  •  ...Senior Software Engineer Join the team powering the world's best endurance athletes. At TrainingPeaks, we believe that behind every great athlete is a great coach and the right technology to help them reach their potential. Our platform is trusted by Tour de France... 
    Senior

    Peaksware

    Boulder, CO
    14 hours 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
    2 days ago
  •  ...flexible 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... 
    Flexible hours

    Simple Energy

    Boulder, CO
    3 days ago
  •  ...Document code and processes to facilitate future maintenance and updates. Skillsets: • 7+ years of experience and working at a Senior or Principal level • Proficiency in designing, implementing, and optimizing Digital Signal Processing algorithms and with... 
    Senior

    Axiom Software Solutions Limited

    Lafayette, CO
    23 days ago