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 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 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.

As a Senior Full-Stack Engineer, you'll build and maintain an AI platform, focusing on data management and real-time data processing within a collaborative and innovative environment.

Build and maintain an AI-driven data management platform for maritime awareness, implementing data feeds, models, and pipelines while ensuring code quality and performance.

The Full Stack Engineer will architect, implement, and maintain user-facing applications, improve UX, and design internal tools while collaborating with a team in a startup environment.

The Full-Stack Engineer will build and maintain applications, own features end-to-end, contribute to system design, and collaborate closely with product and design teams while improving system reliability and performance.

Design, build, and maintain resilient full-stack services for distributed financial SaaS systems. Lead end-to-end projects, optimize performance, ensure security and observability, mentor teams, and reduce technical debt.

The Full Stack Engineer will build cloud-based applications, collaborate with teams, and utilize AWS technologies to deliver solutions.