PbJob Title /b: Full-stack Engineer (Node.js / React) /ppbTeam /b: Market (Trading Liquidity) /ppbLocation /b: Onsite - Ticino, Switzerland /ppbr/ppbAbout Us /b /ppWe are a new, well-funded RD company with a clear vision: to build the future of cryptocurrency infrastructure. Our ambition is to become the #1 cryptocurrency platform in the EU by market share within the next three years. /ppWe are starting with a proven, operational crypto platform and are now assembling a world-class team to evolve it to the next level. Our core products include: /pullibGolden Ratio Exchange: /b An advanced, security-first exchange for professional traders. /lilibGRX Pay: /b A seamless payment gateway that allows merchants to accept crypto and receive fiat. /li /ulpbr/ppThis is a rare opportunity to join a fresh company culture from day one, while working on the exciting technical challenges of a mature product. We are building our foundational RD hub in bTicino, Switzerland /b, and are looking for core team members to build this new culture with us. /ppbr/ppbThe Role /b /ppWe are looking for a skilled Full-stack Engineer to be a key member of our new bMarket team /b. This is a hands-on builder role at the very heart of our exchange, focusing on high-performance, real-time trading and liquidity systems. /ppYou will work closely with the Senior Engineer and Manager to build and maintain the low-latency microservices for our exchange, as well as the sophisticated systems that manage our internal and external market liquidity. You will be a key contributor to re-architecting our legacy trading systems and migrating them to a modern, scalable, and reliable architecture. /ppbThis is a full-time, onsite role at our new RD hub in Ticino, Switzerland. /b Given the critical, high-performance nature of the trading engine, we believe co-location is essential for rapid innovation and building a resilient engineering culture. /ppbr/ppbWhat You'll Do /b /pullibBuild and Maintain: /b Actively contribute to building and maintaining the high-performance services for our exchange using Node.js, including: /liliThe bOrders /b management system. /liliThe bTrade matching /b engine. /liliThe core bLedger /b for recording all transactions. /lilibContribute to Liquidity Systems: /b Help build and maintain the systems that manage our platform's liquidity, including: /lilibAutomated balancing /b of internal funds. /lilibAutomated external balancing /b via integrations with other platforms (e.g., Kraken). /liliManual tools and reporting for the liquidity team. /lilibFull-Stack Development: /b Build and maintain the user-facing React components for our trading products, such as: /lilib\"Trading view with candles\" /b. /liliThe b“Quick convert” /b feature. /liliThe b“Crypto Onramp” /b (fiat-to-crypto) journey. /lilibLegacy Migration: /b Support the Senior Engineer in analyzing the existing legacy codebase for trading and liquidity and execute the migration strategy. /lilibUphold Standards: /b Write high-quality, maintainable, and well-tested code, following the best practices for performance and reliability set by the team. /lilibPerformance Tuning: /b Help profile, optimize, and ensure low-latency communication across our trading systems (e.g., via RabbitMQ, Redis, and WebSockets). /li /ulpbr/ppbWhat We're Looking For /b /pullibExperience: /b 3+ years of professional experience in full-stack development. /lilibDomain Expertise: /b bExperience in FinTech, trading, or building real-time systems is strongly preferred. /b You must have a demonstrable interest in high-performance, low-latency systems. /lilibBack-end Expertise: /b Strong proficiency in bTypeScript /b and bNode.js /b. Experience with bNest.js /b is a major plus. /lilibReal-time Systems: /b Strong experience with bRabbitMQ /b (or similar message brokers) and bRedis /b. You must be comfortable with asynchronous, event-driven architecture. /lilibDatabase Skills: /b Solid experience with relational databases (bPostgreSQL /b) and writing efficient queries. /lilibFront-end Proficiency: /b Good experience with bReact.js /b and experience with real-time front-ends (e.g., bWebSockets /b). /lilibLegacy Systems Experience: /b Experience working with and refactoring existing codebases. You are comfortable diving into code you didn't write. /lilibLocation: /b Willingness to work bonsite in Ticino, Switzerland /b. /lilibTeam Player: /b A collaborative attitude and a desire to learn and grow with the team. /li /ulpbr/ppbBonus Points /b /pulliDirect experience building a cryptocurrency exchange matching engine. /liliExperience with real-time data visualization libraries (e.g., TradingView, D3.js). /liliExperience integrating with third-party exchange APIs (e.g., Kraken, Binance). /li /ulpbr/ppbWhat We Offer /b /pullibHigh-Impact Role: /b An opportunity to make a huge impact by building our core trading and liquidity engine. /lilibClear Ambition: /b The chance to join a company with a clear goal of becoming the #1 crypto platform in the EU. /lilibClear Career Path: /b A role with a clear path for growth in technical excellence, with mentorship from senior engineers. /lilibOnsite Culture: /b A fantastic opportunity to build a new RD culture from the ground up in our modern Ticino, Switzerland office. /lilibGreenfield Culture, Brownfield Code: /b A rare chance to join a new company culture with no baggage, while solving the interesting technical challenges of a mature product. /li /ul