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

The Senior Full Stack Engineer will develop banking and investment systems, balancing business and technical needs while collaborating and maintaining the full lifecycle of Autopilot technology.

The Senior Full Stack Engineer will lead Partnerships & Martech projects, optimizing workflows and building tools using Node, TypeScript, React, and GraphQL while collaborating with stakeholders to enhance user experience and operational efficiency.

As a Senior Full Stack Engineer, you'll design and build high-performance web applications, manage end-to-end solutions, and collaborate with teams to enhance user experiences.

The Senior Full Stack Engineer builds and ships features across frontend and backend systems, working with various frameworks and databases, while collaborating on technical specifications and improving developer experiences.

Design and build scalable SaaS solutions, collaborate with other engineers, and ensure quality UI interactions while incorporating user feedback.

Build and maintain full-stack product features alongside cross-functional teams, contribute across architecture tiers, write tested maintainable code, collaborate with product managers, participate in re-architecture and technical design, and use logging and performance techniques to ensure low-latency, reliable user experiences.

As a Senior Full Stack Engineer, you'll design, build, and support robust platform solutions while integrating front-end components with back-end systems, managing CI/CD pipelines, and automating infrastructure.

Develop applications for game operations, build backend APIs, and frontend components using various technologies, collaborating with teams across the company.

As a Senior Full Stack Engineer, you will design and implement AI-driven systems, ensuring reliability, security, and scalability while collaborating with stakeholders to translate high-level goals into technical solutions.

As a Senior Fullstack Engineer, you'll architect and build a high-concurrency auction engine, leveraging AI for enhanced user experiences and system reliability.

As a Senior Fullstack Engineer, you'll build financial systems, design lending infrastructure, implement payment integrations, and create user interfaces, ensuring correctness and reliability.

As a Senior Full-Stack Engineer at ClassDojo, you'll deliver code and features collaboratively, improve systems and practices, and mentor other engineers, all while impacting education for millions of children.

Lead architecture and implementation of scalable web applications using NestJS and Next.js. Build and optimize PostgreSQL schemas and queries, implement responsive UIs with Tailwind CSS, integrate LangChain-driven AI features, manage authentication with Clerk, and create end-to-end tests and automation with Puppeteer to ensure launch readiness and reliable user experiences.

Join the Entefy team as a Senior Full Stack Engineer to build a scalable full stack application enhancing digital interaction for global clients.

The Senior Full-Stack Engineer will build end-to-end features, create APIs, write requirement documents, and learn Rust while improving product experiences for users.

The Senior Full-Stack Engineer will develop new features and improve existing functionality, collaborate with the product team, and resolve bugs while influencing architectural decisions.

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

As a Senior Fullstack Engineer, you'll develop a no-code platform, build UIs and backend services, and improve conversation analysis workflows using AI technologies.

The Senior Fullstack Engineer will lead projects, mentor engineers, and build user-facing SaaS products using React, TypeScript, Node.js, GraphQL, and MongoDB, focusing on team collaboration and effective trade-off decision-making.

As a Senior Full Stack Engineer, you will design and build cloud-native applications, focus on performance and scalability, and ensure platform stability while collaborating with product teams.

Design, develop, and deliver fullstack web solutions, optimize platforms, mentor engineers, and manage product features from ideation to launch.

Design, build, and maintain production-grade .NET web applications and APIs on Azure. Own full-stack delivery from data models and SQL to front-end components, CI/CD, testing, and architecture. Collaborate with product and delivery teams, participate in code reviews, and ensure secure, observable, well-tested services.

Design, build, and operate end-to-end features across a React frontend and Node.js/TypeScript backend. Implement secure, performant APIs, model and optimize PostgreSQL data, deploy and monitor services on AWS, improve engineering standards through code reviews and testing, troubleshoot production issues, and contribute to scalable system architecture in a distributed team.

Own and implement end-to-end product features across the stack (React/TypeScript front end, Ruby on Rails backend, relational DBs, GCP infra). Design APIs and data models, ensure performance and reliability, integrate AI/LLM-powered features, collaborate with product/design/clinical teams, perform code reviews, and mentor junior engineers.

As a Senior Full Stack Engineer, you will design and implement features, maintain systems, and ensure performance in a fintech environment, collaborating with cross-functional teams.