Mid-Level Node.js Backend Developer

Quick Facts

• Contract: B2B

Description

You will design, implement, and maintain scalable microservices in Node.js and TypeScript, develop GraphQL APIs, and integrate with PostgreSQL and Redis. The role emphasizes performance, stability, and scalability, supported by backend automation and TDD-based testing.

Responsibilities

• Design, implement, and maintain complex scalable microservices in a Node.js and TypeScript architecture
• Build and develop GraphQL APIs and integrate systems with PostgreSQL and Redis
• Support increasing platform traffic with a focus on performance, stability, and scalability
• Optimize and automate backend processes to improve efficiency and service quality
• Create and evolve large, complex IT solutions with emphasis on microservice architecture
• Write tests using TDD and ensure high code quality and system reliability
• Collaborate with an agile product team to solve complex technical problems

Requirements

• Minimum 3 years of experience in a similar role
• Proficiency in Node.js with TypeScript, GraphQL, PostgreSQL, Redis, Kafka, Docker, and Git
• Comfort working with a microservices architecture
• Ability to reason about performance implications and design scalable solutions
• Willingness to write quality tests and work using a TDD approach
• Proactive approach to problem-solving and ownership of outcomes
• Strong skills in integrating different solutions
• Good communication and ability to influence technical decisions
• Preference for open, honest, transparent communication

Benefits

• Real impact on technologies used by millions of people
• Ideas are heard and matter
• Collaboration with experts across different fields
• Opportunity to test innovative solutions
• Access to offices in Poznań and Warsaw
• Preferential benefits: MultiSport, private medical care (LuxMed), group insurance (Uniqa)
• Discounts on Maczfit and Samsung stores
• Option to buy or rent a passenger car on favorable terms