Senior Node.js Developer (Backend)

TL;DR

Senior Node.js Developer (Backend): Building and optimizing high-load backend services for distributed systems with an accent on performance optimization, API design, and database scalability. Focus on designing robust microservices architecture, implementing event-driven systems with Kafka, and ensuring high system reliability in production environments.

Location: Limassol (Onsite)

Company

A dynamic technology company delivering high-performance solutions for high-load industries through a startup-driven, innovation-focused approach.

What you will do

• Design and implement scalable backend applications and microservices capable of handling massive traffic.
• Build and maintain robust RESTful services, GraphQL APIs, and real-time WebSocket connections.
• Identify performance bottlenecks and implement advanced caching and resource optimization strategies.
• Develop third-party integrations with external APIs and payment providers while ensuring system reliability.
• Participate in the full development lifecycle, including architecture design, deployment, and production monitoring.
• Collaborate with cross-functional teams to investigate complex system issues and maintain stability.

Requirements

• 5+ years of professional software development experience.
• 4+ years of hands-on Node.js experience in production environments.
• 3+ years of experience building high-load, highly available distributed systems.
• Advanced proficiency in JavaScript and TypeScript for large-scale applications.
• Extensive experience with database optimization, indexing, and schema design in MySQL, MongoDB, and Redis.
• Strong communication skills in English for technical documentation and cross-team collaboration.

Nice to have

• Experience with event-driven architectures using Apache Kafka or NATS.
• Proficiency in cloud platforms like AWS or Azure.
• Deep understanding of containerization with Docker and Kubernetes.

Culture & Benefits

• Official employment contract.
• 24 working days of paid annual leave.
• 6 days of paid sick leave.
• Medical insurance coverage.
• Daily corporate lunch provided by the company.
• Access to gym, sports classes, and office snacks.
• Subsidized Greek and English language learning classes.