Top Backend Engineer Jobs in Denver & Boulder, CO

Design and implement secure, robust backend services for speech processing, improve inference services, and optimize system performance in a fast-paced environment.

As a Cloud Engineer III, you will develop cloud-native security solutions, focusing on UEBA and anomaly detection within a distributed system to protect against cyber threats.

As a Staff Backend Engineer, you will design and build optimized backend systems, develop microservices, and maintain streaming data infrastructure while leading technical projects and mentoring junior engineers.

Looking for a backend engineer to build and maintain infrastructure for trading operations. Requires experience in high-performance systems, APIs, and databases. Familiarity with AWS and stream processing is necessary, with potential experience in trading systems preferred.

Lead and develop Agentic AI solutions, mentor team members, collaborate on AI applications, and tackle complex challenges in cybersecurity.

As a Back-End Engineer, you will design, implement, and maintain core infrastructure while ensuring performance, scalability, and reliability in a fintech environment.

Lead the development and implementation of AI-powered coding tools, driving technical strategy and ensuring system performance across distributed applications.

Implement and enhance product features, ensuring security and performance while collaborating with stakeholders. Engage with users for feedback and optimize workflows.

Contribute to fullstack features using JavaScript, Ruby, and Python, collaborating with teams for development, bug fixes, and performance enhancement.

As a Senior Backend Engineer, you'll build, deploy, and monitor backend applications while collaborating across disciplines to improve quality and efficiency in development processes.

As a Staff Data Engineer, you will maintain and operate a data platform for ML workflows and analytics, develop data APIs, implement monitoring systems, and define data models while collaborating across teams.

Lead the design and development of reliable and scalable services for Xero's Payments Platform while mentoring engineers and solving complex fintech problems.

As a Principal Engineer, you'll define the technical direction and architecture for Xero's Payments Platform while mentoring teams and ensuring operational excellence.

Lead a team in building and maintaining scalable backend systems and infrastructure, ensuring high availability and quality in code development, while collaborating with stakeholders and guiding team growth.

As a Senior Backend Engineer, you will build APIs and backend systems for an observability platform, focusing on performance, security, and delivering customer results. You will collaborate with product teams and apply best engineering practices.

As a Software Engineer II at Affirm, you'll develop backend systems, collaborate on product lifecycle, and ensure payment operations run smoothly.

As a Backend Software Engineer, you'll design high-volume services, working with distributed systems, network protocols, and performance optimization to enhance CrowdStrike's cybersecurity solutions.

The Software Engineer will design and scale back-end systems, improve features, ensure system reliability, and collaborate across teams while focusing on performance and security.

As a Back-End Engineer at Blissway, you'll work on software and hardware solutions for toll collection and highway safety, collaborating in a small, dedicated team to tackle complex problems and drive significant impact.

As a Senior Backend Engineer, you will design and develop security platform capabilities, architect greenfield projects, and create robust APIs, contributing to the infrastructure of enterprise security solutions.

The Staff Software Engineer will architect distributed systems, lead projects, mentor peers, and implement foundational infrastructure for multiple products at Coinbase.

The Senior Software Engineer will design and implement backend systems, including REST APIs and database changes, while mentoring less experienced engineers and maintaining code quality.

Join Zapier's Integration Quality team to enhance integration features and reliability, debugging systems, and mentoring engineers in a high-impact role.

Develop and maintain software applications, collaborate in agile teams, mentor junior engineers, and enhance digital experiences using modern technologies.

The Staff Software Engineer - Backend will lead technical strategies for the Consumer Portfolio team, architecting and developing distributed systems for low-latency portfolio tracking, while mentoring team members.