Senior Back-end Developer

Job Description:
We’re looking for a skilled Back-end Developer specialized in Node.js to join our team at Technolife. In this role, you’ll help build and maintain scalable, efficient, and customer-centric back-end systems that support our digital services. You will play a key role in developing core APIs and microservices while collaborating closely with front-end and product teams.


Responsibilities:

• Design, develop, and maintain scalable back-end systems using Node.js
• Work closely with Front-end and Product teams to ensure smooth and fast user experiences
• Build and maintain robust RESTful APIs and GraphQL services
• Troubleshoot, analyze, and improve system performance and reliability
• Write clean, modular, and testable code following engineering best practices
• Implement unit, integration, end-to-end tests using TDD and BDD methodologies
• Contribute to architectural decisions, including microservice design
• Participate in code reviews and team knowledge sharing
• Deliver tasks on time according to planned schedules

Tools & Technologies:

• Node.js and related frameworks (e.g., Express.js)
• JavaScript & TypeScript
• Git, GitHub
• Testing tools (e.g., Mocha, Jest, Chai, Cucumber)
• MongoDB and Redis
• Docker, Linux environment
• API tools (e.g., Postman, Swagger)
• Collaboration/documentation tools (e.g., Jira, Confluence, Slack)

 

Requirements:

• Strong experience with Node.js, JavaScript, and TypeScript
• Deep understanding of OOP, SOLID principles, and software design patterns
• Proficiency in developing RESTful APIs and GraphQL services
• Hands-on experience with Express.js and Passport.js
• Familiarity with BDD and TDD methodologies
• Strong knowledge of MongoDB and basic familiarity with Redis
• Experience with Docker and working in Linux-based environments
• Proficiency with Git and version control workflows
• Strong problem-solving skills and algorithmic thinking
• Team-oriented, responsible, and growth-driven mindset