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.

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

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.

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.

Lead the design and implementation of scalable monetization systems while mentoring engineers and driving technical strategy for revenue growth.

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.

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

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

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.

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.

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.

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.

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

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

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

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.

The Full Stack Developer will design, develop, and maintain web applications, collaborate on requirements, build APIs, and optimize databases.

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

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.

The Fullstack Engineer will develop and enhance a VA patient portal using Ruby and React, focusing on user experience, performance, and security, while collaborating with a cross-functional team in a remote setting.