Backend Engineer (NodeJS)

Position Overview:As a Backend Engineer at Everfit, you’ll play a critical role in shaping the infrastructure behind our AI-powered fitness coaching platform. Your contributions will directly support coaches and users around the world.Your impactDevelop, test, and maintain scalable backend services using Node.js.Design and implement RESTful APIs and help evolve our microservices architecture.Translate business and customer needs into reliable, high-performance applications.Collaborate closely with a small, agile team through scrum rituals, prototyping, and code reviews.Contribute to the overall architecture, scalability, and quality of our backend systems.Who you are5+ years of professional experience working with Node.js (ES6).Intermediate English communication skills — you're willing to grow with us.Understanding of microservices and distributed systems.Solid understanding of RESTful API design and backend architecture.Experienced with Express.js, MongoDB, Redis, and PostgreSQL.Familiar with unit testing frameworks like Jest or Mocha, and passionate about code quality.Able to write clean, maintainable, and well-documented code.Comfortable working in an Agile/Scrum development environment.Strong problem-solving and analytical skills.Nice to have:Hands-on experience with AWS services (e.g., S3, ECS, Lambda).Familiarity with message queues (e.g., Kafka, SQS).Knowledge of containerization and orchestration tools (e.g., Docker, ECS).Familiar with authentication/authorization mechanisms (e.g., OAuth2, JWT).