Top Senior Full-Stack Engineer Jobs in Denver & Boulder, CO

As a Senior Fullstack Engineer, you will deliver software, lead system design, scale payroll services, and ensure high coding standards.

As a Senior Fullstack Engineer, you will develop and optimize APIs, maintain production applications, and drive innovative strategies while collaborating with cross-functional teams.

The Senior Full Stack Engineer develops and evolves the US Sports platform, handles high-volume data systems, mentors junior engineers, and engages with stakeholders to enhance architecture and integration.

As a Senior Full Stack Engineer, you'll develop both frontend and backend systems, lead projects, mentor teammates, and enhance the software architecture to improve scalability and performance.

The Senior Full-Stack Engineer will develop backend systems and APIs for Dandy's web-based 3D toolchain, manage integration with 3D tools, and ensure efficient cloud storage and distribution.

Develop and maintain web applications supporting 3D design tools, orchestrate workflows, develop APIs, and enhance internal tools.

The role involves developing full-stack applications with a focus on AI integration using Next.js and AWS Serverless technologies, leading end-to-end projects from prototype to production.

As a Senior Fullstack Engineer at Webflow, you'll collaborate with teams to enhance the visual development platform, focusing on style engine performance and reliability.

The Senior Fullstack Engineer will collaborate with cross-functional teams to build product capabilities, work on APIs, and handle analytics and performance optimization tasks.

As a Senior Full Stack Software Engineer at Quora, you will develop cutting-edge features for Poe, collaborating with cross-functional teams to enhance the bot ecosystem and user experience.

Build end-to-end features, design intuitive interfaces, manage asynchronous backend jobs, and contribute to open-source efforts, while leading project development from concept to monitoring.

As a Senior Full Stack Engineer, you will design and develop scalable APIs, integrate financial data, and enhance user experience in a collaborative environment.

The Senior Full Stack Developer will build end-to-end solutions, collaborate in a remote environment, and write technical documentation. The role requires expertise in Ruby on Rails and various programming paradigms.

Develop and maintain a mission-critical web application with Rails and Hotwire, influencing architecture and user experience while ensuring coding standards.

The role involves building internal developer tools, integrating AI into workflows, collaborating with engineering teams, and enhancing CI/CD processes to improve developer productivity.

Design, build, and maintain scalable applications on AWS, integrating AI/ML solutions, mentoring junior engineers, and collaborating with cross-functional teams.

The Senior Full Stack AWS Developer will design, develop, and maintain scalable applications on AWS, integrate AI/ML solutions, and collaborate with cross-functional teams.

As a Sr. Software Engineer at Zapier, you'll build and scale robust backend systems for their automation platform, collaborating on various impactful projects, improving user workflows, and ensuring smooth execution of automations.

Design, develop and maintain backend and frontend payment systems. Mentor team members, troubleshoot fullstack issues, and collaborate across teams to deliver high-quality code and innovative payment solutions.

The role involves designing and maintaining internal tools and APIs, primarily focusing on backend systems but also contributing to frontend code. The engineer collaborates with AI and infrastructure teams, leads technical initiatives, and enhances developer-facing interfaces.

Design and build a new SDK to support developer experience, API accessibility, and infrastructure for internal and external needs. Mentor peers and establish best practices.

Lead the development of Coperniq's platform by designing, developing, and maintaining scalable full-stack solutions while collaborating with teams and mentoring juniors.

Zapier is seeking a Senior Software Engineer to develop backend and full stack solutions for their Enterprise customers, focusing on automation, AI, and improving system performance. Responsibilities include leading critical incident responses, architecting scalable APIs, and implementing features to enhance user management and observability across their platform.

As a Senior Frontend Engineer, you'll build scalable UI, mentor junior engineers, optimize performance, and drive frontend improvements while ensuring accessibility and user-centric designs.

As a Senior Software Engineer at Coinbase, you will build backend services, enhance customer UX, and implement microservices in blockchain applications.