Job
Description
Experience: 2–4 Years Type: Full-Time About the Company Stacksmith is a forward-thinking technology company delivering scalable and high-performance backend solutions for enterprise web and mobile applications. We are building a talented backend team to design and maintain robust APIs and services that power critical business applications. Role Summary As a Mid-Level Node.js Developer, you will take ownership of backend service development, API integrations, and system design. You will work collaboratively with frontend developers, QA, and product teams to build secure, efficient, and maintainable server-side applications. Key Responsibilities Develop and maintain backend RESTful APIs and microservices using Node.js and frameworks such as Express.js or Koa . Design and implement database schemas and optimize queries for relational (MySQL, PostgreSQL) and NoSQL (MongoDB) databases. Collaborate closely with frontend engineers to integrate APIs and optimize data flow. Write comprehensive unit and integration tests to ensure backend reliability and performance. Implement security best practices, including authentication, authorization (JWT, OAuth), and data protection. Participate in code reviews, provide constructive feedback, and mentor junior developers. Work with DevOps teams to support CI/CD pipelines, automated deployments, and monitoring. Debug production issues and implement timely fixes to ensure system stability. Stay updated on Node.js ecosystem trends and incorporate improvements to architecture and tooling. Required Qualifications 2–4 years of professional experience in backend development using Node.js . Strong proficiency in JavaScript (ES6+) and familiarity with TypeScript . Experience with server-side frameworks such as Express.js or Koa . Solid understanding of RESTful API design and best practices. Hands-on experience with relational and NoSQL databases (MySQL, PostgreSQL, MongoDB). Knowledge of authentication and authorization mechanisms (JWT, OAuth). Proficient with version control (Git) and collaborative workflows. Experience writing unit and integration tests with frameworks like Jest , Mocha , or Chai . Familiarity with containerization tools like Docker and cloud services (AWS, Azure, or GCP). Good problem-solving skills and ability to work in Agile teams. Preferred Skills Experience with GraphQL APIs and real-time communication (WebSockets). Knowledge of message brokers like RabbitMQ, Kafka, or Redis streams. Experience with microservices architecture and API gateways. Familiarity with logging, monitoring, and alerting tools (ELK stack, Prometheus, Grafana). Exposure to CI/CD tools such as Jenkins, GitHub Actions, or CircleCI. Understanding of performance tuning and scalability considerations. Soft Skills Strong communication and collaboration skills. Ability to work independently and within a team. Detail-oriented with a focus on code quality and best practices. Proactive attitude towards learning new technologies and improving processes. What We Offer Opportunity to work on critical backend services powering enterprise applications. Collaborative, innovative work environment with strong mentorship. Professional growth with access to courses, certifications, and conferences. Competitive salary and comprehensive benefits. Flexible work hours and remote work options. Tech Stack Exposure Languages: JavaScript, TypeScript Frameworks: Node.js, Express.js, Koa Databases: MySQL, PostgreSQL, MongoDB Testing: Jest, Mocha, Chai Tools: Git, Docker, Postman Cloud: AWS, Azure, GCP (basic) Other: REST APIs, GraphQL, JWT, OAuth Show more Show less
