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

The Senior Fullstack Engineer will innovate and develop software solutions, focusing on building modern marketplace experiences and improving internal products at Sotheby’s, requiring collaboration across teams and expertise in distributed systems.

The Senior Full-Stack Engineer will build scalable microservices, design robust APIs, and contribute to frontend development for the Censys Platform, directly impacting security insights.

Develop and maintain cross-platform UI libraries and applications for digital asset management, ensuring secure and performant user experiences across mobile and web.

As a Senior Full Stack Developer, you will lead technical direction, mentor peers, and solve complex problems using modern tech stacks while engaging with clients.

Design, develop, and maintain backend systems and SDKs for the CDP APIs, ensuring quality documentation and seamless user interaction with crypto wallets and blockchain protocols.

Design and maintain scalable backend systems and SDKs for CDP APIs. Collaborate with teams and customers to improve developer experiences. Troubleshoot issues and ensure code quality.

Drive product development for Onchain Markets offerings, develop user-friendly frontend applications, design smart contracts, and integrate backend systems.

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.

The Senior Fullstack Engineer will develop and maintain scalable systems, supporting services in production, focusing on performance, scalability, and security while collaborating with cross-functional teams.

As a Senior Full-stack Engineer, you will develop AI-driven features, APIs, and UI components to enhance user experience and support security teams.

Develop and optimize web applications, APIs, and backend services. Collaborate cross-functionally and take ownership of features from concept to deployment.

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'll lead growth initiatives, enhance key metrics, create experiments, and collaborate across teams to drive product improvements.

Join Hightouch as a front-end focused full stack engineer, building user-friendly interfaces and collaborating with teams to enhance customer engagement through data.

Design and develop backend services and APIs, maintain data models, integrate with PLM solutions, and collaborate with teams. Requires strong Python and SQL skills.

This role involves designing, implementing, and supporting video features across the video pipeline stack, while collaborating on projects that enhance user experiences and streaming capabilities.

Lead software engineering projects, build distributed systems, secure and optimize software to handle high operation volumes in a healthcare setting.

Brigit seeks a Senior Software Engineer to enhance its consumer finance platform by developing features, optimizing performance, and ensuring scalability for millions of users.

The Senior Fullstack Engineer at Sotheby's will drive technical vision and build a modern marketplace, collaborating across teams to innovate and improve internal tools and consumer-facing applications.

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

The Senior Software Engineer will design and develop IAM features, lead projects, mentor teammates, and improve code and best practices in a full-stack web application environment.

The Senior Full Stack Engineer will develop microservices, user dashboards, and customer-facing experiences, focusing on both frontend and backend components, primarily using TypeScript, JavaScript, React, and AWS.

The Senior Software Engineer will design and implement scalable solutions, lead a team, and ensure high engineering standards in healthcare technology.

Seeking experienced Sr. Software Engineers for Backend or Fullstack roles to enhance Zapier's automation platform and workflows. Responsibilities include modernizing workflows, building resilient systems, and collaborating across teams to improve user experiences with automation tools.

The Staff Engineer will design and optimize scalable financial applications, ensuring high availability and performance for millions of transactions. Responsibilities include leading projects, making architectural decisions, and enhancing system reliability.