Senior Fullstack Developer (Node.js / React)

Job Title: Senior Fullstack Developer (Node.js / React)Start: ASAPEngagement: Long-term B2B Work model: Remote / Hybrid Role OverviewWe are looking for an experienced Senior Fullstack Developer with strong backend expertise (Node.js) and solid frontend knowledge (React).The role requires a hands-on engineer with strong backend architecture skills, capable of designing scalable solutions while actively contributing to development. Testing is an integral part of the development process in this role.ResponsibilitiesDesigning and developing scalable backend solutions using Node.js (NestJS)Building and maintaining frontend components with ReactDesigning robust backend architecture and contributing to technical decisionsWriting and maintaining unit, API, and end-to-end testsDeveloping and maintaining event-driven integrations using KafkaWorking with PostgreSQL databases and ensuring efficient data processingCollaborating with cross-functional teams to deliver high-quality softwareTesting ResponsibilitiesTesting is an integral part of the developer role and includes:Unit testing using JestEnd-to-end testing using PlaywrightAPI testing using SupertestTechnical StackNode.js / NestJSReact JSKafkaPostgreSQLJestPlaywrightSupertestRequirementsStrong experience with Node.js and NestJSSolid knowledge of React JSExperience working with Kafka and event-driven architecturesStrong experience with PostgreSQLExperience with automated testing frameworks (Jest, Playwright, Supertest)Strong backend architecture and system design skillsAbility to work in a hands-on engineering roleNice to HaveExperience designing microservices architecturesExperience working in high-scale distributed systems