Top Tech Jobs & Startup Jobs in Denver & Boulder, CO

The Senior Full Stack Engineer will architect and ship scalable features, mentor teammates, and collaborate on improving the rental platform experience for users.

You will design, build, and maintain scalable applications using Java and JavaScript, collaborating across teams and managing databases.

As a Senior Full Stack Engineer, you will design and implement features, maintain systems, and ensure performance in a fintech environment, collaborating with cross-functional teams.

The role involves diagnosing data quality issues, developing Java repair pipelines, debugging distributed systems, and ensuring data accuracy across large datasets.

Develop Android applications, enhance existing apps, mentor engineers, and collaborate on new features while ensuring reliability and performance at scale.

Design, maintain, and improve security monitoring, auditing, and automation using scripting, Linux webservers, REST APIs, SIEM/syslog tuning, and GitLab CI/CD. Collaborate with engineering, ops, and compliance to deliver reliable security insights, support migrations, and automate security workflows.

Design, build, and operate end-to-end ELT pipelines that extract structured JSON from complex leasing documents using LLMs. Optimize LLM API calls and prompts, implement validation and monitoring, and collaborate with product and engineering to evolve schemas and ensure production-ready data quality.

The Senior Backend Engineer will maintain a PHP-based payment platform, migrate to Rust, troubleshoot production systems, and contribute to code quality and deployment cycles.