Senior Full Stack Developer (React + Node.js)

About On The SpotWe bring startups and disruptive tech companies to the local market, offering engineers the opportunity to work on innovative, high-impact products. Join us and become a member of their R&D team while we take care of employment, HR support, a benefits package, and an enjoyable work environment.About the team‍Unity Aura is a large-scale content discovery platform used across 330M devices worldwide. Our mission is to help users find and access their favorite content in a simple and easy way.‍About the roleYou'll be part of a team that impacts many aspects of the product and works with customer-facing services.Partnered alongside the best engineers in the industry and working on the coolest projects, the code and systems you’ll work on will be in production and used by millions of users all around the world.ResponsibilitiesWork as part of a full-stack agile team, working at high velocity, and delivering great quality on a daily basisArchitect, develop, and maintain high-performance services with React.js and Node.jsWork with the UX team to translate a design into reusable and accessible components using our existing design systemDesign, implement, and innovate features using cutting-edge technologiesBe responsible for developing and designing major features as well as building new services from scratchWork closely with the product, architects, DevOps, and automation teams‍Requirements5+ years of experience with web development in React5+ years of experience with backend development in Node.jsUpper-Intermediate English levelPractical experience in the design and architecture of large-scale systems (front-end/back-end)Experience with React.js and State Management (Mobx or Redux, context, hooks, SASS, webpack)Working with design tools (Figma/Zeplin/etc.)Working knowledge of databases (MySQL, MemSQL, Redis)Awareness of microservice architecturesExperience with cloud solutions (AWS preferred)Experience with Node.js (expressJS, streams, ORMs, Unit testing, logs)Proficient in using AI tools (GitHub Copilot, Claude, etc.) and have a deeper experience with common features like MCP servers, instructions with MD files, etc.‍Nice to have (experience with)GitHub ActionsDocker/KubernetesDistributed event stores such as KafkaTools for automation such as PlaywrightMonitoring tools such as Grafana, OpenTelemetry