Mid Full Stack / Backend Engineer

Remote Hiring Remotely in USA Mid level Remote Hiring Remotely in USA Mid level Backend-focused engineer to develop and own core CRM and finance services end-to-end. Work in a fast-growth scaleup environment, shipping with agentic AI-assisted workflows, maintaining production Python/FastAPI services, owning testing and quality, and optimizing developer tooling and automation. The summary above was generated by AI, Responsibilities: Develop and own our core applications - CRM and finance services - for internal and external users., * Actively uses AI coding agents (Claude Code, Cursor, etc.) as a core part of how they work, not as an occasional aid.

• Thinks about optimising their own and the team's development workflow - tooling, automation, spec-driven development.
• Signals: mentions of agentic/AI-native development, internal tooling, DX improvements, side projects built with agents, relevant OSS contributions (MCP, agent frameworks). Recency matters - this should be current, not aspirational.

Ownership of quality (baseline expectation):

• Used to owning their own testing and quality - writes and maintains their own tests, doesn't rely on a separate QA function to catch issues.
• Signals: testing discipline, test coverage ownership, "you build it, you run it" cultures.

Disqualifiers / flags:

• No FastAPI / weak Python.
• Based outside Europe.
• Purely frontend focus with no backend service ownership.
• No evidence of the scaleup or agentic criteria.

• Has worked at a Series A/B (or comparable) startup through a period of rapid scaling, ideally not just a large, stable org.
• Comfortable with ambiguity, shifting priorities, and shipping under pressure without over-engineering.
• Signals: early/founding engineer roles, "first N engineers," ownership of significant surface area, demonstrable velocity. Be wary of CVs showing only big-company or agency/consultancy backgrounds.

2. Python / FastAPI (must-have)

• Strong, current production Python with FastAPI specifically. This is a hard requirement, not a nice-to-have.
• Signals: API design, async Python, building and maintaining services in production. Adjacent data/persistence experience (SQL, ORMs) a plus.

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What you need to know about the Colorado Tech Scene

With a business-friendly climate and research universities like CU Boulder and Colorado State, Colorado has made a name for itself as a startup ecosystem. The state boasts a skilled workforce and high quality of life thanks to its affordable housing, vibrant cultural scene and unparalleled opportunities for outdoor recreation. Colorado is also home to the National Renewable Energy Laboratory, helping cement its status as a hub for renewable energy innovation.

Key Facts About Colorado Tech

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