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

As a Full-Stack Engineer at Clerkie, you will develop and maintain a B2B CRM, optimizing performance across the tech stack and collaborating with various teams to ensure a seamless user experience.

As a Staff AI Software Engineer, you'll develop and optimize scalable AI applications, manage deployment pipelines, and collaborate with cross-functional teams to drive innovative solutions.

The Full Stack Engineer will develop features for a dynamic web application, collaborate with team members, enhance performance, and improve automated tests.

Join Comcast as a Full Stack Engineer to develop user interfaces and backend services. Collaborate with teams to build scalable API services and enhance user experiences using modern web technologies.

As a Senior Full-Stack and Platform Software Engineer at mabl, you will develop features for an AI-powered test automation platform, enhancing user experiences, designing APIs, and optimizing data pipelines while collaborating with cross-functional teams.

The Salesforce CPQ Developer designs and develops scalable solutions on Salesforce, collaborates with cross-functional teams, and implements enhancements and projects for increased sales efficiency.

Design and build agent-powered mission consoles, collaborate with stakeholders to improve user workflows, and maintain agentic workflows for mission outcomes.

As a Senior Software Engineer, you will design and build a cutting-edge identity search platform and implement AI systems for defense applications, working closely with cross-functional teams to enhance user workflows and support national security.

As a Full Stack Engineer, you will lead innovative software projects for freight logistics, driving technical vision, mentoring others, and delivering scalable solutions across platforms.

The Senior Full Stack Engineer develops and maintains the US Sports platform, coaches junior engineers, collaborates with stakeholders, and ensures high system performance under demand.

Design, build, deploy, and optimize scalable full-stack applications integrating databases, APIs, and AI/LLM workflows. Lead architecture, CI/CD (ArgoCD, GitLab), Airflow pipelines, and collaborate cross-functionally to deliver production-grade fintech solutions.

The Chief Mission Engineer develops and deploys software for national security, leading teams to integrate and test solutions in high-security environments.

The Senior Full-Stack Engineer will lead technical areas, develop AI application services, maintain APIs, collaborate on design, and ship product features.

Responsible for leading a team of engineers, supporting product development, identifying technical issues, and ensuring high-quality code delivery in backend systems at scale.

Develop and deploy software solutions in high-security environments, leading engineering teams and collaborating with customers to meet mission objectives.

As a Fullstack Engineer, you'll design, build, and operate web applications, collaborating with product teams and mentoring peers while ensuring best practices in coding and system architecture.

Lead and modernize core Laravel/PHP backend systems and high-performance React/TypeScript frontends. Architect integrations (MLS/RETS/RESO), improve video processing and media delivery, strengthen CI/CD and Docker deployments on AWS/Rackspace, introduce AI-driven automation, and provide senior technical leadership and mentorship.

Lead the design and implementation of features for chemistry solutions, ensuring high code quality, scalability, and mentor junior engineers while collaborating across teams.

As a Lead Full Stack Engineer, you will provide architectural leadership, design scalable solutions, mentor engineers, and collaborate across teams.

As a Software Engineer I, you'll contribute to the Home and Search Experience team at Affirm, collaborating on backend systems and APIs, ensuring quality code, and driving user engagement initiatives.

The Full-Stack Developer will design, develop, and maintain applications, focusing on backend APIs and user interfaces, while optimizing for performance and reliability.

As a Full Stack Engineer, you will build AI-powered applications, manage client interactions, and apply best practices in MLOps and LLMOps.

The role involves designing and developing microservices using .NET and ReactJS, deploying applications on Azure, and utilizing AI coding assistants for software development.

Design, develop, and maintain AI-powered applications. Collaborate with engineering and product teams to deliver scalable solutions and mentor other engineers. Conduct experiments to guide product decisions.

The Full Stack Developer/Designer builds front-end and back-end web applications, ensuring user-friendly design, collaborating with teams, and maintaining high-quality standards.