Full Stack Engineer

AI vision into execution.Romanian.Hiring.Full-Stack Engineer (TypeScript · Node.js/NestJS · Next.js · React/React Native)About the roleWe’re looking for a product-minded full-stack engineer fluent in TypeScript to design and operate services in Node.js (NestJS), shape data models and integrations, and ensure reliability and performance. You’ll also contribute to user-facing features in React/Next.js and React Native to ship end-to-end functionality with high quality.What you’ll do- Design and implement scalable NestJS services (REST/gRPC), data models, and third-party integrations.- Model and optimize databases (SQL/NoSQL), queries, caching (Redis), and background jobs.- Drive reliability & observability: testing, metrics, tracing, logging, CI/CD.- Own features end-to-end: plan, estimate, implement, test, document, and monitor.- Collaborate with Product & Design to scope MVPs, iterate quickly, and measure impact.- Ship interfaces across web and mobile: responsive UIs in React/Next.js and native experiences in React Native.You’ll thrive here if you have- 3–6 years building production backends with TypeScript and Node.js/NestJS (auth, testing, observability, scalable APIs).- Database fluency (SQL/NoSQL) and ORMs (e.g., MikroORM, TypeORM or similar), plus cloud basics (AWS/GCP).- Strong front-end skills with React and Next.js (SSR/SSG, routing, data fetching).- Mobile experience with React Native (navigation, native modules, app store delivery).- Solid testing habits and CI/CD workflows; you value readable, maintainable code.Nice to have- Event-driven architecture and WebSockets/real-time communications.- Production hardening: logging, metrics, tracing, OpenTelemetry, on-call.- UI systems (design tokens, Storybook) and performance profiling.Our stack- Backend: Node.js, NestJS, REST/gRPC- Data: Postgres/MySQL, Redis; ORM (MikroORM/TypeORM)- Infra: Docker, CI/CD, AWS/GCP; monitoring with modern APM/logging tools- Frontend: React, Next.js, React Native, TypeScriptHow we work- Small, cross-functional squads with weekly planning and async docs- Pragmatic testing, code reviews, and continuous delivery- Autonomy with accountability — ship, measure, iterateBenefits- Possibility of additional benefits aligned with long-term company success- Work with passionate people advancing sustainable, inclusive, livable cities- Direct impact: your features improve daily commutes and help city planners decide better- Culture of autonomy, feedback, and ownership — your ideas shape the roadmap- Be part of the change: help drive the digital transformation of urban transport- Personal learning budget and tickets to top mobility, urbanism, and open-data eventsAbout Tranzy.aiTranzy.ai provides an Open Digital Passenger Information Platform that enables passengers, cities, operators, and the business and academic communities to access reliable, real-time mobility data. Designed for openness and scalability, the platform fosters collaboration across transport systems while improving the travel experience.Tranzy.ai is a Romanian smart-mobility startup connecting stakeholders to transform mobility data into action.Our vision is to unify mobility systems and leverage big data and AI to transform how cities move and evolve.