Top Backend Engineer Jobs in Denver & Boulder, CO

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.

As an Intermediate Backend Engineer, you'll develop features, optimize performance, collaborate with teams, and improve the GitLab Agile Planning platform.

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 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 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.

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.

As a Senior Backend Engineer, you will build scalable backend systems, optimize performance, and improve observability while maintaining high software quality.

As a Senior Backend Engineer, you'll develop and enhance authentication strategies, improve access management, and ensure security for GitLab users, focusing on scalable solutions.

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

Develop AI-driven tools and infrastructure to enhance developer workflows, integrating AI with essential dev tools and ensuring performance and scalability of solutions.

Lead custom platform development for enterprise-level clients as a Senior AEM Back-End Developer, overseeing project life cycles from design to maintenance while ensuring high availability and performance.

As an IC4 Software Engineer, you'll design and optimize risk detection systems, manage complex projects, and mentor junior engineers, all while enhancing security and user experience.

The Senior Backend Engineer will develop core mechanisms for financial planning, lead backend development, mentor peers, and manage the full development cycle.