Lead PWA Frontend Developer at vacancies

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 your role: You will be working on a 100% Greenfield project, building the frontend from scratch with no legacy code involved. You will have full autonomy, acting like a Product Owner for your part of the frontend, with direct access to backend engineers for API discussions and no micromanagement. The work involves challenging engineering tasks, developing fully-featured Progressive Web Apps that can replace native applications, in a senior-only environment where you’ll collaborate with other strong engineers. In this role, you will • Design and implement a white-label architecture, building a core application that allows easy generation of additional client-specific versions in the future • Build and lead a team of 2–4 Middle/Senior Vue developers, including hiring, onboarding, and establishing development and code quality processes • Own delivery management, organizing team workflows to turn ready requirements and designs into a working Release Candidate (MVP) within 3 months • Ensure native-like UX and resilience, delivering instant UI feedback and stable performance even under poor network conditions (e.g., intermittent 3G/Edge) • Adapt the application for iOS, providing a fully native-like experience while working around mobile Safari limitations (cache resets, navigation quirks) • Collaborate closely with the backend team to define API contracts and optimize requests for web performance • Own quality and infrastructure, including Core Web Vitals performance metrics and CI/CD pipeline setup in collaboration with DevOps engineers It’s all about you • 5+ years of commercial frontend development experience • Expert-level proficiency in Vue and TypeScript • Strong hands-on experience building Progressive Web Applications (PWA), including Service Workers, Web App Manifest, and Cache Storage API • Experience designing frontend architecture from scratch (greenfield projects) • Hands-on experience handling unstable network conditions (e.g., intermittent 3G/Edge), including retry mechanisms, connection loss handling, and proper error states • Experience solving platform-specific challenges for iOS/Safari PWAs (cache eviction, background limitations, navigation quirks) • Strong understanding of the PWA lifecycle and seamless application updates • Solid understanding of performance metrics (Core Web Vitals) and optimization techniques Would be a plus • Experience working with WebRTC • Experience configuring advanced caching strategies using Workbox • Experience setting up basic CI/CD pipelines in collaboration with DevOps engineers 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 • Maternity recovery support allowance • Position retention and support for those who join the Armed Forces of Ukraine • 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 • 70% of our heads and leads have grown into their roles here – so can you! • 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 • Technical Interview • Final Interview • Reference check • Offer