StellenbeschreibungppbTangem /bis a high-tech company in the blockchain sector was founded in 2017, headquartered in Zug, Switzerland, with branches in North America, Eastern Europe, and APAC. /p pbTangem /b started with the idea of bringing digital assets to the masses using a unique combination of a smartcard-based hardware wallet and mobile applications. Company owns and promotes the technology of hardware cold-wallet for digital assets with secure and simple UX in 220 countries today. Our customers enjoy setup time within 1 minute with the ultimate security level for digital assets on their wallet. Tangem solutions offer multi-support of a growing number of thousands of tokens by a single wallet. SBI Crypto Investment Ltd., the digital asset venture investment company wholly owned by SBI Holdings Inc., has invested $15 million into Tangem in 2019 for mass adoption of blockchain technology. /p h3About the Role /h3 pWe're looking for a Senior Backend Engineer to join our backend team and take ownership of building, maintaining, and evolving our microservices. You'll work across both stacks - maintaining existing Node.js services and building new ones in Kotlin - contribute to architecture decisions, and help us maintain high standards of quality and reliability. /p h3About the Project /h3 pOur backend is a set of microservices that power the Tangem wallet - providing APIs for wallet synchronization, push notifications, referral and promotional programs, crypto payments, DeFi and staking integrations, and analytics pipelines. /p h3Responsibilities /h3 ul liDesign, build, and maintain scalable backend services across Node.js and Kotlin stacks; /li liWrite clean, well-tested code - testing is a first-class concern; /li liOwn features end-to-end: decompose tasks and make technical decisions; /li liMaintain and evolve existing NestJS services while building new services in Kotlin/Spring; /li liOccasionally build internal tools and admin interfaces using React; /li liCollaborate with product, DevOps, and engineering teams on cross-functional delivery; /li liParticipate in code reviews, architecture discussions, and continuous improvement of system reliability and observability. /li /ul h3Requirements /h3 ul liStrong production experience with Kotlin or Java, and Spring; /li liComfortable working with Node.js and NestJS for maintaining existing services; /li liStrong testing practices; /li liDeep understanding of software architecture, design patterns, and microservices; /li liExperience with AWS services — Lambda, SQS, S3, and others; /li liExperience with containerized environments and Kubernetes; /li liGood communication and collaboration skills. /li /ul h3Nice to have /h3 ul liExperience in fintech, crypto, or payment systems is a plus. /li liCurrent services: TypeScript, Node.js, NestJS, TypeORM; /li liMessaging: SQS, BullMQ; /li liAdmin tools: React. /li /ul h3Why Join Us /h3 ul liWork alongside a team of skilled engineers on a product used by millions; /li liBuild with a modern, thoughtfully chosen tech stack; /li liMinimal bureaucracy and fast decision-making; /li liReal ownership - influence the product, architecture, and business outcomes directly; /li liRoom to grow technically and shape the platform's future. /li /ul h3What We Offer /h3 ul liStability, development, participation in the future unicorn's growth; /li liRemote work from anywhere in the world; /li liCompetitive salary in bEURO/USDT /b; /li liVacation 20 working days per year; /li liBirthday presents; /li liCompensation for the purchase of necessary technical devices for the work; /li /ul /p #J-18808-Ljbffr
