PstrongJob Title /strong: Full-stack Engineer (Node.js / React) /ppstrongTeam /strong: Market (Trading Liquidity) /ppstrongLocation /strong: Onsite - Ticino, Switzerland /ppbr/ppstrongAbout Us /strong /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: /pullistrongGolden Ratio Exchange: /strong An advanced, security-first exchange for professional traders. /lilistrongGRX Pay: /strong 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 strongTicino, Switzerland /strong, and are looking for core team members to build this new culture with us. /ppbr/ppstrongThe Role /strong /ppWe are looking for a skilled Full-stack Engineer to be a key member of our new strongMarket team /strong. 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. /ppstrongThis is a full-time, onsite role at our new RD hub in Ticino, Switzerland. /strong 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/ppstrongWhat You'll Do /strong /pullistrongBuild and Maintain: /strong Actively contribute to building and maintaining the high-performance services for our exchange using Node.js, including: /liliThe strongOrders /strong management system. /liliThe strongTrade matching /strong engine. /liliThe core strongLedger /strong for recording all transactions. /lilistrongContribute to Liquidity Systems: /strong Help build and maintain the systems that manage our platform's liquidity, including: /lilistrongAutomated balancing /strong of internal funds. /lilistrongAutomated external balancing /strong via integrations with other platforms (e.g., Kraken). /liliManual tools and reporting for the liquidity team. /lilistrongFull-Stack Development: /strong Build and maintain the user-facing React components for our trading products, such as: /lilistrong"Trading view with candles" /strong. /liliThe strong“Quick convert” /strong feature. /liliThe strong“Crypto Onramp” /strong (fiat-to-crypto) journey. /lilistrongLegacy Migration: /strong Support the Senior Engineer in analyzing the existing legacy codebase for trading and liquidity and execute the migration strategy. /lilistrongUphold Standards: /strong Write high-quality, maintainable, and well-tested code, following the best practices for performance and reliability set by the team. /lilistrongPerformance Tuning: /strong Help profile, optimize, and ensure low-latency communication across our trading systems (e.g., via RabbitMQ, Redis, and WebSockets). /li /ulpbr/ppstrongWhat We're Looking For /strong /pullistrongExperience: /strong 3+ years of professional experience in full-stack development. /lilistrongDomain Expertise: /strong strongExperience in FinTech, trading, or building real-time systems is strongly preferred. /strong You must have a demonstrable interest in high-performance, low-latency systems. /lilistrongBack-end Expertise: /strong Strong proficiency in strongTypeScript /strong and strongNode.js /strong. Experience with strongNest.js /strong is a major plus. /lilistrongReal-time Systems: /strong Strong experience with strongRabbitMQ /strong (or similar message brokers) and strongRedis /strong. You must be comfortable with asynchronous, event-driven architecture. /lilistrongDatabase Skills: /strong Solid experience with relational databases (strongPostgreSQL /strong) and writing efficient queries. /lilistrongFront-end Proficiency: /strong Good experience with strongReact.js /strong and experience with real-time front-ends (e.g., strongWebSockets /strong). /lilistrongLegacy Systems Experience: /strong Experience working with and refactoring existing codebases. You are comfortable diving into code you didn't write. /lilistrongLocation: /strong Willingness to work strongonsite in Ticino, Switzerland /strong. /lilistrongTeam Player: /strong A collaborative attitude and a desire to learn and grow with the team. /li /ulpbr/ppstrongBonus Points /strong /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/ppstrongWhat We Offer /strong /pullistrongHigh-Impact Role: /strong An opportunity to make a huge impact by building our core trading and liquidity engine. /lilistrongClear Ambition: /strong The chance to join a company with a clear goal of becoming the #1 crypto platform in the EU. /lilistrongClear Career Path: /strong A role with a clear path for growth in technical excellence, with mentorship from senior engineers. /lilistrongOnsite Culture: /strong A fantastic opportunity to build a new RD culture from the ground up in our modern Ticino, Switzerland office. /lilistrongGreenfield Culture, Brownfield Code: /strong A rare chance to join a new company culture with no baggage, while solving the interesting technical challenges of a mature product. /li /ul