Top Backend Engineer Jobs in Denver & Boulder, CO

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.

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

Develop core services using Golang and PostgreSQL, resolve feature issues, ensure software quality, and promote CI/CD practices while collaborating with teams.

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 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.

As a Backend Engineer III, you will design and implement scalable cloud-based security solutions, develop internal tools, and optimize data processing systems to enhance cybersecurity efforts. You'll collaborate with teams to mentor junior engineers and maintain high-quality standards in software development practices.

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

Develop and support web services for digital life insurance enrollment, collaborating closely across teams to enhance platform capabilities. Responsible for the quality and maintainability of services, utilizing Python and Java, among other technologies.

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.

Design and maintain backend services for a military workflow platform, focusing on scalability, performance, and reliability in production systems.

Design and maintain high-performance backend services, improve data models, optimize APIs, and ensure reliability for mission-critical systems.

As a Senior Backend Engineer, you will develop web services for the life insurance enrollment experience, collaborating with various teams to enhance the product roadmap and maintain service quality.

As a Backend Software Engineer II, you will develop web services primarily using Python and PostgreSQL, while collaborating closely with product teams to enhance the digital life insurance enrollment experience. You will ensure the quality of services and participate in planning product roadmaps.

The role involves architecting and developing a data platform, designing scalable APIs, maintaining infrastructure, and collaborating with cross-functional teams.

The Backend Product Engineer will enhance the Radar platform, manage API traffic, engage with customers, and work across various backend technologies to drive product success.

The role involves leading technology projects, optimizing distributed systems, collaborating on cloud-based solutions, and mentoring others while leveraging various technologies to enhance services.

Collaborate on Agile teams to develop cloud-based solutions using various programming languages and technologies, mentoring others and staying current on tech trends.

As a Principal Backend Software Engineer, you'll design and develop core modules for the elluminate platform, engage in all software development lifecycle phases, and provide technical guidance and support to the Engineering team.

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.

Join Zapier's Events Team as a Backend Engineer to enhance foundational event and queuing services, ensuring reliability and scalability. Collaborate with a tight-knit team, advocate for user experience, and manage tasks effectively while exploring new technologies.

As a Senior Software Engineer, you will design and develop scalable backend systems, delivering production-ready code and owning the software development lifecycle, while mentoring peers and resolving production issues.

As a Senior Backend Engineer, you will develop and maintain deployment infrastructure for GitLab's self-managed customers, ensuring secure and scalable operations across various environments.