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

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

Build end-to-end features, design intuitive interfaces, manage asynchronous backend jobs, and contribute to open-source efforts, while leading project development from concept to monitoring.

The Senior Full Stack Developer will build end-to-end solutions, collaborate in a remote environment, and write technical documentation. The role requires expertise in Ruby on Rails and various programming paradigms.

Lead the development of Coperniq's platform by designing, developing, and maintaining scalable full-stack solutions while collaborating with teams and mentoring juniors.

As a Senior Full-Stack Engineer, you'll develop features for Circle's CRM platform, collaborating on both front-end and back-end tasks and participating in the entire development lifecycle.

Design and maintain full-stack features for real-time video, events, chat, and notifications, collaborating with teams to improve performance and reliability.

Design, build, and maintain resilient full-stack services for distributed financial SaaS systems. Lead end-to-end projects, optimize performance, ensure security and observability, mentor teams, and reduce technical debt.

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

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.

Lead technical discussions and design products based on vehicle telematics data. Collaborate with teams, ship features, and ensure customer satisfaction using real-time data insights.

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

The Senior Frontend Engineer will enhance user productivity by developing a scalable collaboration platform, optimizing app performance, and leading feature design and implementation.

The Full Stack Engineer will develop the BrandVNO platform, enhancing customer SDKs and ensuring high-quality telecom experiences across mobile apps.

Develop and maintain the frontend using Vue.js, integrate with Django APIs, ensure application performance, and participate in code reviews for continuous improvement.

As a Senior Full Stack Engineer, you'll lead development of features in Node.js/React, maintain data pipelines, and support code quality in a collaborative, innovative environment focused on scientific research.

This role involves delivering high-quality software, collaborating with teams, leading code reviews, and contributing to architectural decisions for scalable systems.

Lead the development and technical direction of fullstack applications, ensuring high quality, performance, and security while collaborating with cross-functional teams and mentoring other engineers.

Design, implement, and operate AI-native full stack systems incorporating LLMs and agents. Build agentic workflows, integrate LLMs safely in production, shape product-driven architecture, and own APIs, services, observability, security, and developer experience end-to-end.

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

The Senior Fullstack Engineer will design, build, and maintain features for Clarium's AI-powered healthcare platform, collaborating with cross-functional teams to enhance efficiency.

As a Full Stack Engineer, you'll develop production-ready AI and ML features, build APIs, design scalable systems, and implement frontend solutions using Angular.

Join Logz.io as a Senior Full Stack Developer, owning features from frontend to backend, collaborating on architectural decisions and optimizing performance across a real-time data stack.