Back-end Developer

3 days ago

Prague, Hlavní město Praha, Czech Republic SatoshiLabs Full time €60,000 - €80,000 per year

At Trezor, we invented the world's first hardware wallet and created an entirely new industry. We set industry standards including Recovery seeds (BIP-39), Passphrases, and Shamir Backup (SLIP-39). We're committed to transparency, with open-source software and hardware, and we're dedicated to securing individual freedom and privacy. We're self-funded and independent innovators, shaping the future on our own terms.

We're looking for a passionate Back-end Developer to join our Prague-based team. You'll play a key role in building and scaling the trading experience within Trezor Suite, integrating multiple CEX and DEX APIs into our trading aggregator, and shaping the architecture of tools that power the DeFi ecosystem.

Do you want to help us make the world a better, safer place? Great — here's what's waiting for you:

What you'll do:

  • Improve the trading experience in Trezor Suite

  • Develop and maintain the backend of our trading aggregator, integrating multiple CEX and DEX APIs

  • Design and evolve our internal dashboards to monitor and manage trading flows

  • Dive deep into the DeFi ecosystem across Ethereum, Solana, Cosmos, and beyond

  • Scale and optimize our infrastructure to handle growing volume, complexity, and edge cases

  • Contribute to architecture and product direction — your ideas will shape how we build

What technologies do we use?

  • You'll work in a modern, well-structured stack: , Fastify, TypeScript, PostgreSQL

‍ Who we're looking for:

  • Strong experience with , TypeScript, and Fastify (or similar frameworks)

  • Knowledge of API integrations (REST, WebSocket) and backend performance tuning

  • Experience with crypto and DeFi strongly preferred

  • Passion for blockchain, web3, and the future of finance

  • Focus on security and privacy in application design — you know how things work under the hood

  • Familiarity with the open-source ecosystem (bonus if you contribute)

  • Experience with Go is nice to have, but not required

  • Care for clean, maintainable, and well-tested code

  • Our mission resonates with you

What's in it for you?

  • Unique opportunity to be a part of a brand that has revolutionized the crypto industry more than once

  • Work directly with the inventors of the hardware wallet

  • Option to get paid in bitcoin

  • Friendly working environment and unlimited home office

  • Budget for professional development (training, courses, and workshops of your choice)

  • Renovated offices with gym, football table, billiards, PlayStation and a 3D printer

  • Perks like a MultiSport card, company mobile tariff, and free on-site parking

Sounds good? We want to hear from you Just submit your CV, a brief cover letter, and links to your work. We'll get back to you shortly — usually within a week.

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