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

Own and scale backend systems end-to-end: design, build, and deploy performant APIs and services on AWS using Node/TypeScript. Make architectural tradeoffs, ship production code frequently, establish engineering best practices, and collaborate with product teams while leveraging AI-assisted development.

Backend-focused fullstack developer responsible for designing, building, and maintaining PHP-based applications, optimizing MySQL schemas and high-availability deployments, troubleshooting production issues, and contributing JavaScript frontend work. Collaborate on architecture, code reviews, and deliver secure, maintainable systems in a remote team.

Design and ship scalable full‑stack applications using React, Node, and TypeScript; integrate LLMs and AI services (RAG, embeddings, vector search); build supporting data/retrieval layers; measure and optimize AI feature quality, latency, and cost; collaborate with cross‑functional teams and DevOps; maintain secure, testable code and share AI/web technology best practices.

Evaluate AI-generated coding interactions, assess quality of engineering judgments, provide feedback, and define standards for AI coding agents. Comfortable making subjective judgments about engineering quality.

The Staff Engineer at G2i will lead and grow an engineering team, set technical strategy, and ensure quality delivery across full-stack systems while fostering a culture of ownership and continuous improvement.

The Full-Stack Developer will design and maintain web applications using React and Node.js, focusing on performance and scalability. Responsibilities include creating APIs, deploying applications, and ensuring high code quality.

The Technical Program Manager will oversee complex technical programs, drive cross-functional collaboration, manage risks, and ensure successful product delivery across various teams.

Serve as primary technical contact for partner banks, troubleshoot API/connectivity/payment issues, manage support queues and incidents, run RCA, create runbooks, and collaborate with Engineering and Product to improve reliability and scalability.

Build agentic applications and tooling with LLM infrastructure, requiring hands-on engineering in a high-pressure environment. Deliver quality under tight deadlines.