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

As a Senior Full Stack Engineer, you will design and develop scalable APIs, integrate financial data, and enhance user experience in a collaborative environment.

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 develops and evolves the US Sports platform, handles high-volume data systems, mentors junior engineers, and engages with stakeholders to enhance architecture and integration.

Design and implement scalable web applications, mentor engineers, enhance application performance and lead agile teams in a SaaS environment.

Dandy is seeking a Senior Full-Stack Software Engineer to build backend systems, APIs, and tools for their web-based 3D operations, integrating various technologies for enhanced manufacturing efficiency.

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

The Senior Software Engineer will implement and enhance collaboration features, improve architecture and developer experience, and mentor peers while working across the stack.

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

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 optimize web applications, APIs, and backend services. Collaborate cross-functionally and take ownership of features from concept to deployment.

Design and implement scalable applications, mentor engineers, collaborate on product improvements, and modernize web applications for better user experience and performance.

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.

As a Senior Full Stack Engineer at Lazer, you will design and build AI-powered applications, manage client interactions, and develop production-ready software solutions.

As a Senior Full Stack Engineer, you will design and develop SaaS applications, write maintainable code, mentor junior team members, and enhance product features while collaborating with cross-functional teams.

The Senior Fullstack Engineer will deliver impactful solutions, collaborate with cross-functional teams, optimize development processes, and communicate project updates effectively.

As a Senior Full Stack Engineer, you will design and develop scalable SaaS applications, manage tasks, mentor team members, and ensure software best practices.

As a Senior Full Stack Engineer at Calendly, you will build and maintain core calendar infrastructure, focusing on API development, synchronization services, and search infrastructure, collaborating with cross-functional teams.

The role involves designing and implementing server-side services, building data pipelines, and collaborating with frontend teams. Requires proficiency in Kotlin and/or Java, especially with Spring WebFlux, while improving system throughput and reliability.

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

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

Design and implement core functionalities for a large-scale web application focusing on architectural planning and full-stack features development. Collaborate with senior engineers and ensure clear communication while breaking work into manageable pieces.

The Senior Full Stack Engineer will enhance Poe's Developer API by building features, collaborating with teams, and ensuring quality and scalability.

The role involves owning the product workflow, building user-facing features, maintaining systems, and collaborating with cross-functional teams. Strong React and Typescript skills are essential.