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

As a Senior Full Stack Engineer, you will develop and maintain the US Sports platform, mentor junior engineers, and collaborate with stakeholders to enhance systems and processes.

The Senior Full Stack Engineer will develop scalable applications, manage both front-end and back-end tasks, and enhance platform engineering practices. Responsibilities include API development, database design, and technical documentation.

The Senior Full-Stack Developer will design, build, and maintain AIO Logic's cloud-based AXIS platform, utilizing React and Java/Spring Boot to deliver software solutions for complex financial workflows, collaborating with cross-functional teams, and mentoring junior developers.

Lead the design, development, and maintenance of core applications, focusing on system integrations and managing multiple third-party applications while mentoring junior developers.

The Senior Platform Engineer will develop features for an ecommerce platform, mentor engineers, optimize systems, and improve tools and processes.

The role involves backend development for a new venture team, focusing on building scalable systems, collaborating on product strategy, and launching an MVP.

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.

Design and build scalable features for MongoDB's Internal Developer Portal using Backstage. Collaborate with teams to enhance developer workflows and internal tools.

Design and implement scalable web applications, modernize user experience, build mobile apps, mentor engineers, and collaborate with product teams.

Design and build core services for AI products, implement compliance guardrails, debug fullstack issues, and participate in code reviews.

As a Senior Software Engineer, you'll implement collaboration features, support team architecture, work across tech stacks, and improve developer experience.

Design and implement AI-powered backend systems for media experiences in Dropbox, collaborating with cross-functional teams, and influencing technical decisions.

Lead full-stack projects, collaborate with teams to develop user-friendly features, mentor teammates, and handle on-call duties at Dropbox DocSend.

The Senior Full Stack Engineer will architect and ship scalable features, mentor teammates, and collaborate on improving the rental platform experience for users.

As a Senior Full Stack Engineer, you'll develop secure, user-facing data applications, collaborating with cross-functional teams while ensuring compliance with performance and security standards.

As a Senior Full Stack developer, you'll design and operate cloud-native services, enhance backend architecture, and ensure platform scalability and reliability.

The role involves shipping quality code, managing end-to-end projects, collaborating to improve user experiences, and scaling billing infrastructure and analytics.

The role involves shipping full-stack AI projects, designing experiments for AI features, and optimizing AI infrastructure while collaborating with teams.

The role involves leading features and full stack development of the payment and billing systems, integrating payment solutions, and optimizing user experiences.

Design, develop, and maintain scalable web applications, mentor junior developers, optimize performance, and ensure best practices in coding.

Design, build, and scale data integrations for healthcare systems, collaborating with teams and enhancing functionality while ensuring security and quality.

As a Senior Full Stack Engineer, you will design, build, and maintain products, enhance backend systems, and scale machine learning platforms in collaboration with the CTO and engineering team.

The Senior Full Stack Engineer will design and develop user-friendly experiences, lead product enhancements, mentor junior engineers, and participate in on-call rotations to ensure service reliability.

In this role, you will build backend systems, APIs, and data pipelines while enhancing Android features, integrating computer vision models into scalable applications.

The Senior Fullstack Engineer will autonomously deliver impactful software solutions, collaborating with various teams to innovate and scale the product, ensuring quality across development processes.