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

The Senior Fullstack Engineer will build and manage enterprise authentication systems, improve user session management, ensure security compliance, and support internal API usage across services, while enhancing performance and reliability.

As a Senior Fullstack Engineer, you'll contribute to backend development for Toast's New Ventures team, collaborating on architecture and launching MVPs while addressing unmet operator needs.

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

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.

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

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.

The role involves leading projects as a full-stack engineer, focusing on SaaS products, enhancing user experiences, and building accessible software.

The Senior Full Stack Engineer will design and implement APIs with NodeJS, develop UIs with React, manage data pipelines, and deploy projects on AWS.

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

The Senior Full Stack Engineer maintains, enhances, and modernizes applications, ensuring performance and stability while mentoring offshore teams and improving existing systems.

Design, develop, and deliver high-quality financial applications; oversee release management, mentor developers, and enforce best practices in software development.

As a Senior Full Stack Engineer, you'll develop and maintain features, expand product lines, and innovate in security infrastructure with AI. You'll work closely with the CTO and engage directly with customers to enhance the platform.

Lead the development of user-facing applications and backend systems, ensure best practices, mentor junior developers, and collaborate with stakeholders on product initiatives.

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.

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

Architect, design, build, test, and deploy highly available real-time systems. Participate across the SDLC, implement automated testing and CI/CD, maintain documentation, troubleshoot and enhance existing software, and collaborate in an Agile/Scrum team environment.

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

Lead UI-focused full-stack development: build high-performance Angular components, implement responsive accessible interfaces from design mockups, optimize front-end performance, influence component libraries and front-end architecture, and contribute to back-end .NET Core APIs and database integration.

As a Senior Full Stack Engineer, you'll design and develop custom Shopify applications, integrate solutions, and collaborate with clients to meet their needs.

Design, build, and maintain scalable web applications using React.js and Node.js with TypeScript. Collaborate with cross-functional teams to deliver features, optimize performance, ensure security, automate deployments with DevOps, write tests, and participate in code reviews.

As a Senior Full Stack Engineer, you'll build high-performance observability tools, engage with developers, and tackle technical challenges in monitoring applications.

Join Feed Media Group as a Full Stack Engineer to build new features for music streaming applications, collaborating with diverse teams and using modern technologies.

The Senior Full-Stack Engineer will oversee full-stack application development, perform code reviews, collaborate with teams, and ensure high-quality outcomes.