Top Senior Software Engineer Jobs in Denver & Boulder, CO

As a Full Stack Software Engineer, you will develop tools for cloud management, build APIs and UIs, and maintain cloud systems.

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

The Senior Full Stack Software Engineer at Dropbox will design and develop user-friendly experiences, manage projects end-to-end, and collaborate across teams while leading initiatives and delivering AI-enabled product enhancements.

The role involves responsibilities related to full-stack product engineering, with participation in on-call rotations for team support.

As a Senior Software Engineer (Backend), you will develop backend services for music technology, enhance system performance, and mentor junior developers.

Lead the evolution of the frontend platform, design complex user interfaces, provide technical leadership, and optimize CI/CD infrastructure for a scalable experience.

The Full Stack Software Engineer will design, develop, and maintain AI-powered applications, collaborating with cross-functional teams to create seamless user experiences.

Design, develop, and test flight software for spacecraft missions; mentor engineers, collaborate on complex software systems, and ensure project requirements are met.

Design and develop flight software for space systems, mentor engineers, and ensure adherence to software development principles in an Agile environment.

Develop mobile applications for iOS and Android, lead automation tool creation, mentor team members, and ensure quality assurance processes.

The role involves maintaining and modernizing the Rails stack, improving performance and reliability, and building internal tooling to support scalable infrastructure.

As a Software Engineer at Vercel, you will enhance and improve the CDN's performance, analyze web latency, and support a team of developers working primarily in Lua.

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

Lead innovations in data pipeline infrastructure, develop high-volume data services, and collaborate with engineers on architectural designs and documentation.

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.

As a Principal Mobile Software Engineer, you'll lead mobile platform development, scale React Native architecture, mentor engineers, and collaborate across teams to build impactful features.

As a Senior Mobile Software Engineer, design and build scalable mobile applications, collaborate with cross-functional teams, and enhance engineering quality.

The Senior Backend Engineer will develop data collection applications, design architecture, create APIs, manage databases, and collaborate with teams to enhance software solutions.

As a Backend Engineer, you will design and implement core infrastructure for Vannevar's platform, ensuring standards for data processing, security compliance, and performance. You will collaborate with various teams to enhance shared infrastructure and lead technical initiatives.

As a Principal Flight Software Engineer, you will lead the architecture and development of flight software for space missions, ensuring safety and reliability while collaborating on technical decisions and standards.

As a Staff Flight Software Engineer, you will assist in the software development cycle, integrate GNC algorithms, maintain command telemetry databases, and develop reusable driver libraries for flight hardware.

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.

Develop and integrate front-end components for online GIS applications, ensuring effective user experiences while collaborating with cross-functional teams to meet national security needs.

Design, maintain, and evolve core backend systems and APIs. Collaborate with product teams to create durable and reusable systems while enhancing performance and security.

The Senior Full-Stack Software Engineer will design, build, and scale SaaS products, improve application performance, and lead technical initiatives. Responsibilities include modernizing web applications, contributing to backend services, and mentoring other engineers.