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

As a Senior Full-Stack Engineer at Human Agency, you will lead the development of AI-powered SaaS applications, integrating advanced technologies and ensuring secure architecture across front and backend systems.

Join WinTech as a Full-Stack Developer, building core product features with a focus on collaboration, ownership, and rapid development in a dynamic team.

Design, build, and maintain security-focused full stack applications and infrastructure, collaborate with teams, mentor junior engineers, and stay updated with security trends.

Join BrightHire as a Senior Full Stack Engineer, developing integrations and enhancing platform features. Collaborate with cross-functional teams to solve complex problems and improve customer experience.

The Principal Full Stack Engineer will lead cross-functional product development, focusing on full stack solutions and infrastructure management while ensuring code quality and maintainability.

Develop high-quality full stack web applications, focusing on an AI abstraction layer for command and control systems, while collaborating with agile teams.

Design and develop backend systems using Ruby on Rails, support front-end with React and JavaScript, and collaborate on API integrations to enhance the Veteran benefits experience.

As a Senior Full Stack Engineer, you will develop web applications using Node.js and React, collaborate with teams, and optimize performance.

Lead development of early product, build features for onboarding and account opening, influence technical vision, mentor engineers, and ensure smooth production operations.

The Senior Full Stack Engineer will develop AI/ML features in ClickHouse Cloud, integrating databases with AI capabilities, ensuring robust API design, and building user-friendly interfaces.

As a Senior Fullstack Engineer, you'll collaborate on backend systems, tackle engineering challenges, and contribute to technology development, leveraging your extensive experience and specialized skills in major technologies.

Design, build, and operate APIs for Atticus, focusing on performance and reliability while collaborating with product teams and mentoring peers.

Develop and enhance features for a veterinary B2B labor marketplace, collaborating with cross-functional teams and ensuring code quality.

Develop and deploy AI-powered automation tools for creative production, collaborating with stakeholders to integrate AI models into production-ready applications.

As a Senior Full Stack Engineer, you will develop JavaScript applications, enhance the analytics platform, and improve app visibility based on user feedback.

Lead the development of user-facing applications and backend systems, ensure best practices, mentor junior developers, and collaborate with stakeholders on product initiatives.

Design, develop, and maintain scalable software applications, particularly focusing on AI infrastructure and rapid prototyping based on customer feedback.

As a Senior Full Stack Engineer, you'll develop backend systems, work with LLMs, design RAG strategies, and collaborate closely with teams to create financial solutions.

As a Senior Full Stack Engineer, you'll own product workflows, build features, create services and APIs, and enhance user experience in a fast-paced startup.

Seeking a Senior Fullstack Engineer to join a remote team to build software, collaborate with product management, and deliver exceptional customer experiences.

Develop and maintain the frontend using Vue.js, integrate with Django APIs, ensure application performance, and participate in code reviews for continuous improvement.

As a Senior Full-Stack Engineer, you will enhance and expand core monetization features, build purchasing experiences, and work across Ruby on Rails and React to integrate payment functionalities.

As a Senior Full Stack Engineer, you will design and implement scalable applications emphasizing backend services, APIs, and databases, collaborating cross-functionally to deliver AI-driven features.

As a Senior Full Stack Engineer, you will build user-centered interfaces, maintain the Breeze UI toolkit, and collaborate on backend and smart contract integration, focusing on seamless user experiences and data presentation.

The Senior Fullstack Engineer will design, develop, and deliver high-quality fullstack web solutions, manage product features, and collaborate with teams to build scalable products.