Technologies-expected : Node.js Type Script technologies-optional : Nest JS about-project : We are looking for a Backend Engineer that will work within a product team oriented around pricing and crypto integrations work. For example you could be working on; pricing mechanisms, back office apps for all operational teams, implementing regulatory requirements, integrating new blockchains and cryptocurrency sources to the system, the list goes on! If you are keen to work in a quickly growing product company and interested in new technologies then we want to hear from you. You will have an impact on what and how we do it. Our tech stack: Front-end: Type Script, React, Jest, CSS (SCSS + CSS Modules), Mob X Back-end: Type Script, Nest JS (Node.js), Postgre SQL, Rabbit MQ, Redis, Open Telemetry SRE/Dev Ops: Google Cloud, Docker & Kubernetes, Git Hub Actions, Terraform, Prometheus & Grafana Quality Assurance: Type Script, Jest, React Testing Library, Playwright, currents.dev Blockchain: web3.js, ethers.js, and many more responsibilities : You will play a crucial role within a dedicated product team, tasked with overseeing various features within the app. This team includes a Product Manager, an Engineering Manager (who will serve as your direct supervisor), Quality Assurance specialists, and, as needed, frontend developers. requirements-expected : 2+ years of experience in building sophisticated backend systems 2+ years of Node JS and Typescript Readiness to work in a rapidly scaling up startup, Sense of ownership and readiness to work on delivering value, not only via code changes Interested in Web3 technologies and willingness to learn more about the crypto space! offered : Competitive salary Equity package: share in our success Zero-fee crypto purchases via on-ramp! 12 000- 16 000 PLN net on B2 B contract Health & wellbeing 26+ days paid time-off Health & Sports benefits for you and your loved ones Dedicated time off for yearly health check-ups Development & Growth Self-development and conference budget Language lessons Internal workshops and activities supporting growth and mental health Great working environment and socials Modern and comfy offices in Warsaw and Wroclaw, which has everything youll need to excel and collaborate with your team Hybrid Working (3 days in the office) The best laptops and kit to work on Internal Tech meetups on-site & online Team socials funded by us benefits : sharing the costs of sports activities private medical care sharing the costs of foreign language classes remote work opportunities flexible working time integration events computer available for private use corporate library no dress code coffee / tea drinks