Top Senior Backend Engineer Jobs in Denver & Boulder, CO

The Senior Backend Engineer designs and develops core backend systems for the Mozilla Ads product team, focusing on privacy-respecting advertising technologies.

Design, build, and support features for a monetization platform while ensuring reliability and performance as a senior backend engineer.

As a Senior Backend Engineer, you will enhance MagicSchool's AI Evaluations capabilities, ensuring product safety and quality while collaborating with team members across disciplines.

As a Senior Backend Engineer, you'll develop APIs and backend systems for an observability platform in AI customer support for travel. Emphasizing strong engineering practices, you'll collaborate with product teams and be responsible for full system ownership and strategy.

As a Senior Backend Engineer, you will design and build robust backend systems, ensuring high reliability and scalability for fintech applications while collaborating closely with the CTO.

The Senior Staff Software Engineer will design and implement systems for processing blockchain data, manage projects, and mentor team members in a fast-paced environment.

As a Sr. Backend Engineer, you'll design and scale backend systems at Bitly, utilizing your proficiency in Go and collaborating with teams to drive innovation and improve services.

Design and implement backend systems using Go, focusing on web application security and network architecture, along with API design and user authentication.

As a Senior Software Engineer, you will design and implement scalable AI infrastructure, lead projects, mentor junior engineers, and solve complex technical challenges, leveraging modern cloud technologies and AI frameworks.

The role involves developing high-scale, distributed backend systems, collaborating with teams, and optimizing products through A/B testing.

The Senior Backend Engineer will build a next-gen communication platform for US satellites, focusing on services and mentoring junior engineers.

The Senior Backend Engineer will lead the development of a communications platform, building APIs and services while mentoring junior engineers.

As a Senior Backend Engineer, you will design and maintain backend systems, optimize performance, conduct code reviews, and collaborate across teams.

Design and build scalable backend systems in Go, collaborating across teams to ensure reliability and performance in communication systems.

As a Senior Backend Engineer, you'll design and implement scalable backend services for blockchain data analytics, lead technical discussions, and mentor juniors.

You will develop product connectors, design data models, improve performance of data pipelines, and create AI workflows for enhanced insights.

As a Senior Software Engineer, you will design, build, and launch backend systems and APIs, collaborate with cross-functional teams, and improve scalability and performance of the CRM application.

The Senior Backend Developer will design, develop, and maintain backend services, optimize APIs, work with AWS, and mentor junior engineers.

The Senior Backend Engineer will design, develop, and maintain blockchain-based crypto wallet systems, ensuring security and performance while collaborating with various teams and driving product advancements.

As a Senior Backend Engineer at DuckDuckGo, you'll lead complex backend projects, mentor other engineers, and collaborate on privacy solutions, utilizing Perl, Go, and Node.js.

The Senior Backend Engineer will design and implement complex financial systems, lead technical decisions, mentor junior engineers, and optimize system performance within a remote fintech team.

Design, implement, and maintain software for cloud platforms, focusing on APIs and microservices while ensuring high-quality test coverage and mentoring teammates.

Responsible for designing and maintaining scalable backend systems, leading architectural decisions, implementing security measures, collaborating with teams, and mentoring others.

Design and maintain data pipelines, build real-time systems, collaborate with ML engineers, ensure data quality and security in identity verification processes.

As a Senior Backend Engineer, you'll architect and enhance the OmniTag engine for data mining, optimize multimodal data pipelines, and ensure production reliability, directly impacting the efficiency of ML workflows.