Senior Backend Developer
United Tech is a global IT product company shaping the future of real-time social connection. With millions of users across North America, Europe, LATAM, and MENA, we build next-gen mobile and web apps for live-streaming and social networking. Our platforms enable connection at scale fast, interactive, and deeply engaging. The market is projected to exceed $206B by 2030, and we are already leading the evolution. Founded in Ukraine, scaling worldwide About the role: This role offers the opportunity to work on high-load products, build features used by thousands of users, and influence technical decisions from design to production. You’ll participate in the full development lifecycle from analyzing business requirements and decomposing product epics to designing technical solutions, implementing new features, and improving existing systems. Working closely with Product, Design, and Engineering teams, you’ll help build scalable and reliable services while continuously improving code quality and reducing technical debt. \n In this role, you will Take part in team processes (grooming, sprint planning) Develop and deliver product tasks to the production environment Work on reducing and preventing technical debt Create technical designs for product epics Decompose epics into clear, executable tasks Conduct technical investigations and propose solutions It’s all about you 4+ years of commercial experience in backend development 3+ years of experience with Node.js backend development Experience with relational and non-relational databases (MongoDB, Postgres and Redis) Experience with SOA/Microservices (communication, development process) Experience with patterns (DDD, event-driven, SOLID, CQRS) Experience working with WebSockets (ws, socket.io) Experience working with messaging (BullMQ, RabbitMQ, Kafka) Experience with cloud providers (AWS, GCP, etc) Experience in scaling and high-load products Upper-Intermediate English or higher What we offer Care and support: 20 paid vacation days, 15 sick days, and 6 additional days off for family events Up to 10 additional days off for public holidays 100% medical insurance coverage Sports and equipment reimbursement Team building events, corporate gifts, and stylish merch Financial and legal support Position retention and support for those who join the Armed Forces of Ukraine Maternity Recovery Support Allowance Participation in social initiatives supporting Ukraine Comfortable working environment: Work from our Kyiv hub or remotely with a flexible schedule Modern equipment or depreciation of your own tools Investment in your future: Collaborate with a highly-skilled team of Middle & Senior professionals, sharing practical cases and expertise in the social networking niche Performance-oriented reviews and Individual Development Plans (IDPs) Reimbursement for professional courses and English classes Corporate library, book club, and knowledge-sharing events Hiring process Intro call Tech Interview Final Interview Reference check Offer \n