Evil Martians
We design and develop high performance developer tools that scale
- 65%
- of our clients raise Series A or B within 1–3 years
- 8
- startups grew from seed to unicorn with our help
- 25B+
- total downloads of our open source projects
Solve your problems, ship value
Hire us to take your product from PoC to MVP, iterate to PMF and scale efficiently through explosive growth.
All services
We build developer tools that developers love
We work with 40+ early-stage startups each year. Investors from Conviction, Blossom Capital, SignalFire, Heavybit, Uncork Capital recommend us to their portfolio companies.
- Bolt.newEvil Martians and StackBlitz: tech partners since 2021. Our engineers helped scale their WebContainers platform from pioneering browser IDE to bolt.new—the AI-powered tool that hit $20M+ ARR in just 2 months and disrupted the industry of vibe coding. We've built core infrastructure powering 3M+ monthly developers, from backend Rails to enterprise features and performance optimization. Together, we're transforming how developers build worldwide.
- $113M
- total funding
- Backed
- by GV
- TeleportEvil Martians has partnered with Teleport since 2020, engineering enterprise-ready features for their open-source infrastructure access platform. Our engineering and design teams work across the platform – from architecting the plugin ecosystem and deployment strategies to transforming their documentation into a powerful growth driver with Next.js. Combining deep Go expertise with product thinking, we continue as their technical partner driving R&D initiatives as well as building core features that support their growth..
- Backed
- by Kleiner Perkins, Y Combinator
- $170M
- total funding
- RecraftRecraft is shaping the future of AI-driven creativity. Our collaboration introduced a custom Discord bot, streamlining client acquisition and engagement. Plus, our tailored analytics enabled data-driven decisions, allowing for monitoring of the success of this customer acquisition channel.
- $42M
- total funding
- 1M+
- users
- WallarmWe helped Wallarm, an API security platform, redesign and optimize their Go-based event processing pipeline that handles critical security data through NATS messaging and ClickHouse storage, and guided their team through architectural improvements and urgent feature implementations.
- 20,000+
- Protected apps and APIs
- Top 150
- Cybersecurity Companies (IT-Harvest'24)
Open Source is in our DNA
Millions of developers use our Open Source projects.
- 123
- projects with
- 179K+
- stars and climbing
- AnyCable
AnyCable
Building realtime features at scale is easy with the dedicated realtime server, AnyCable. It runs next to your main app (or, in our cloud) and handles realtime load, while ensuring the deliverability of messages and reliability of connections. Use powerful high-level abstractions to build chats, collaboration, IoT data features, gen-AI streaming, etc.- 3.9M
- Docker downloads
- 25K+
- daily active servers
- Size Limit
Size Limit
Linter for your JavaScript application that makes the Web lighter by preventing JS library bloat.
- Rails Startup Stack
Rails Startup Stack
Our selection of services, gems, guides, and materials to build and grow fast-paced businesses with Ruby on Rails.
Read our legendary blog, meet us at events around the world
- Debug AI fast with this open source library to visualize agent traces
Debug AI fast with this open source library to visualize agent traces
![Cover for Debug AI fast with this open source library to visualize agent traces]()
- System of a test II: Robust Rails browser testing with SitePrism
System of a test II: Robust Rails browser testing with SitePrism
![Cover for System of a test II: Robust Rails browser testing with SitePrism]()
- UI for Quotient AI: the developer tool for prompt engineers
UI for Quotient AI: the developer tool for prompt engineers
![Cover for UI for Quotient AI: the developer tool for prompt engineers]()
- Prioritization justice: lessons from making background jobs fair at scale
Prioritization justice: lessons from making background jobs fair at scale
EuRuKo 2025![Cover for Prioritization justice: lessons from making background jobs fair at scale]()
