Top Senior Backend Engineer Jobs in Denver & Boulder, CO

Design, build, and support features for developers, ensuring reliability and scalability of systems, and contributing to product direction.

As a Senior Backend Engineer, you will design, build, and maintain scalable backend systems and APIs, optimize performance, and ensure system reliability.

The Senior Software Engineer will develop and support backend systems, work with cross-functional teams, ensure quality through testing, and mentor other engineers.

The Sr. Backend Engineer will lead backend technical initiatives, mentor junior engineers, and collaborate with teams on feature development using Java and Spring Boot in a microservices architecture.

Build and scale services and APIs for Postscript's Data Platform, focusing on performance and reliability while collaborating with other engineers.

The Senior Backend Developer designs and maintains scalable back-end systems using Node.js and TypeScript, develops APIs, and ensures code quality via automated testing and documentation.

As a Senior Software Engineer, you'll design scalable systems, implement features, and collaborate with cross-functional teams to enhance our communication-focused CRM.

As a Senior Software Engineer, you'll lead the development of secure, high-availability backend systems, support your team in delivery, and drive process improvements.

Design, develop, and maintain scalable low-latency systems, build data pipelines, and ensure best practices in QA and monitoring.

As a Senior Backend Engineer at Offchain Labs, you'll tackle complex distributed systems challenges, optimizing performance and contributing to the security and scalability of blockchain technology.

The Senior Software Engineer will lead the Loans Platform team, develop backend systems, and ensure quality and collaboration across product management and engineering.

The role involves designing and implementing features for AI agents, maintaining SDKs, and collaborating on automation projects. The candidate should have extensive backend experience and facilitate third-party integrations.

Seeking experienced Sr. Software Engineers for Backend or Fullstack roles to enhance Zapier's automation platform and workflows. Responsibilities include modernizing workflows, building resilient systems, and collaborating across teams to improve user experiences with automation tools.

Develop and scale backend services, optimize performance, and lead backend projects for Exodus's wallet and API infrastructure.

Design and write global and game-specific services, optimize performance for millions of players, and maintain high reliability in code.

Develop and maintain large-scale backend applications using Python and Django. Collaborate with teams, write clean code, and mentor juniors.

The role involves enhancing and optimizing backend web APIs and data processing systems, requiring proficiency in Python and AWS.

As a Senior Software Engineer, you will build scalable services, develop APIs, and mentor teammates while addressing performance challenges and improving the tech stack.

Responsible for building and maintaining scalable email delivery systems, diagnosing issues, and mentoring developers while implementing modern technologies.

Develop cloud-native microservices for a Next-Gen SIEM platform focusing on UEBA and anomaly detection in a high-volume environment.

As a Senior Backend Engineer, you will develop scalable product features, lead projects, ensure team quality practices, and mentor junior engineers.

As a Senior Backend Engineer, you will design and build AI platform backend systems, collaborating with ML engineers to enhance capabilities and ensure reliability while implementing security and compliance best practices.

Design and maintain scalable APIs and database systems, lead architecture design, mentor engineers, and troubleshoot issues.

The Senior Backend Engineer will design, build, and maintain robust services for real-time data processing, collaborating on systems integration and ensuring code quality.

As a Senior Backend Engineer at Eight Sleep, you will develop and maintain back-end services and improve data processing, supporting critical business logic in distributed systems.