Senior Node.js Engineer

We are looking for an experienced Node.js Engineer to join a team building and scaling a modern data-driven platform. ✅ Your responsibilities: • Design, build, and maintain backend services using Node.jsDevelop 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 🧠 Our requirements: • 5+ years of experience with JavaScript / Node.js • Strong proficiency in TypeScript • Hands-on experience designing and building RESTful and/or GraphQL APIs • Solid 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 systems • Experience with frameworks such as Express or Next.js • Knowledge of web fundamentals (e.g., CORS) and security best practices (OWASP) • Ability to work independently and support team-level technical decisions • Fluent English (B2+) • Availability overlapping with US Eastern Time core hours 🌟 What we offer: • Remote work • Flexible cooperation model (B2B / employment contract) • Opportunity to work on a scalable, data-focused platform • Collaboration with a highly skilled engineering team • Real impact on technical decisions and system architecture