Senior Node.js Engineer

5+ years of experience with JavaScript / Node.jsStrong proficiency in TypeScriptHands-on experience designing and building RESTful and/or GraphQL APIsSolid understanding of databases (relational and NoSQL, e.g., MySQL, MongoDB, Redis)Experience with AWS (e.g., EC2, Lambda, SQS)Good understanding of software architecture and scalable systemsExperience with frameworks such as Express or Next.jsKnowledge of web fundamentals (e.g., CORS) and security best practices (OWASP)Ability to work independently and support team-level technical decisionsFluent English (B2+) We are looking for an experienced Node.js Engineer to join a team building and scaling a modern data-driven platform. This role requires availability overlapping with US Eastern Time core hours (up to approximately 1–2 PM ET).What we offerRemote workFlexible cooperation model (B2B / employment contract)Opportunity to work on a scalable, data-focused platformCollaboration with a highly skilled engineering teamReal impact on technical decisions and system architecture ,[Design, build, and maintain backend services using Node.js, Develop scalable APIs (REST / GraphQL), Contribute to system architecture, performance, and scalability improvements, Own the full development lifecycle: implementation, testing, deployment, and maintenance, Collaborate closely with product, frontend, and DevOps teams in an Agile (Scrum) environment, Participate in technical decision-making and drive best practices] Requirements: JavaScript, REST API, GraphQL, NoSQL, MySQL, MongoDB, AWS, AWS EC2, AWS Lambda, Express, Security