Company Description Zefyron is an all-in-one network platform for startups and investors. Our main business website is zefyron.com, which serves as a hub for innovative entrepreneurship opportunities. Location: Remote Experience: 3–5 years Employment Type: Full-time Role Description We are looking for a highly skilled Backend Node.js Developer to join our engineering team. You will be responsible for building scalable backend services, designing robust APIs, and optimizing performance for our applications. You should have a strong command over backend technologies, data structures & algorithms, and be able to contribute to system architecture and design decisions. Key Responsibilities Develop and maintain scalable server-side applications using Node.js and Express.js Design and optimize RESTful APIs and backend logic for performance and reliability Work with MongoDB for efficient schema design and data handling Implement caching mechanisms using Redis for faster data access Ensure clean code practices, write unit and integration tests Collaborate with frontend developers, product teams, and DevOps for smooth CI/CD and deployment Participate in code reviews, system design discussions, and performance tuning Maintain security and data protection standards in backend services Qualifications Proficiency in Back-End Web Development and Software Development skills Knowledge of Object-Oriented Programming (OOP) principles Experience with Front-End Development and Programming Strong analytical and problem-solving skills Excellent written and verbal communication skills Ability to work independently and remotely Bachelor's degree in Computer Science, Engineering or related field Experience with NodeJS and related technologies is a plus Requirements Strong proficiency in Node.js , Express.js , and JavaScript/TypeScript Solid understanding of MongoDB , including aggregation pipelines and indexing Hands-on experience with Redis for caching and pub/sub Good understanding of data structures and algorithms (DSA) Familiarity with DevOps concepts , CI/CD pipelines, Docker, and basic cloud deployments (AWS/GCP/Azure) is a plus Experience with message queues like RabbitMQ/Kafka is a bonus Ability to write clean, scalable, and maintainable code Strong problem-solving skills and debugging capabilities Familiarity with version control tools like Git Show more Show less