Evil Martians

What is Evil Martians?

Evil Martians is a product development consulting firm for developer tools. We work with ~40 early-stage startups every year, many backed by Y Combinator, and help them find product-market fit. 65% of our clients raise their next round within 1–3 years.

How does product development consultancy work for devtools?

Product development consultancy for devtools is a collaboration between your in-house technical team and external experts who support you in complex tasks. When you pair with Martians, you get a team that handles highly complex tasks but also gives you clarity, explains trade-offs, and challenges you to find the best possible solution.

What does Evil Martians do?

Evil Martians helps startups ship developer tools, AI-native products, infrastructure, and security—from first commit to product-market fit. We embed with your team and work across Go, TypeScript, Ruby on Rails, Rust, Python, and React. We maintain 100+ open source projects with 25B+ total downloads. Companies hire us to go from PoC to MVP, iterate to PMF, and scale through explosive growth—8 of our clients grew from seed to unicorn.

Where is Evil Martians located?

We have offices in San Francisco, New York, Porto, and Osaka, but our team operates remotely, serving clients across all major time zones.

How much does product development consulting cost?

Every engagement is scoped based on your product's stage, complexity, and goals. Our rate is $8,000/week per Martian. Reach out to discuss your project and get a tailored estimate.

What developer tools has Evil Martians built?

We've worked on hundreds of devtools, including bolt.new, Teleport, NATS, Rootly, HTTPie, Aptos, and many more.

Does Evil Martians work with AI developer tools startups?

Yes, AI-native development is one of our core verticals. We help AI startups build AI agents, LLM integrations, tool-use and MCP infrastructure, and AI-native product patterns. We've shipped agent orchestration, agent observability, and agentic coding tools. We also build AI Harnesses—open source skill sets that encode architectural patterns into AI coding tools like Claude Code, Cursor, and Copilot, making agentic coding more productive for Rails and TypeScript/React teams. Our engineers helped scale bolt.new from a browser IDE into the AI-powered tool that hit $20M+ ARR in 2 months.

Does Evil Martians work with cybersecurity companies?

Yes, we work with cybersecurity startups like Teleport, Tines, Wallarm, and Daylight Security. We help security companies build dashboards, agent infrastructure, and developer-facing security tools that integrate into existing workflows. Tines, a leading security orchestration platform, runs on Ruby on Rails—we helped them with core product design, frontend, and backend.