Senior Node.js Developer

Technologies we use

About the project

Your responsibilities

• Design, develop, and maintain a modern web platform using Node.js and Nest.js
• Implement new features within a microservices architecture
• Integrate with external APIs and systems (REST, GraphQL, WebSockets)
• Optimize application and database performance (SQL/NoSQL)
• Participate in system architecture design and technology selection
• Collaborate with developers, testers, and DevOps in an Agile environment
• Ensure high code quality through TDD and code reviews
• Troubleshoot technical issues and support error analysis
• Implement CI/CD solutions and automate development processes
• Ensure security, scalability, and reliability of delivered solutions

Our requirements

• Minimum 3 years of commercial experience with Node.js and Nest.js
• Strong knowledge of JavaScript (ES6+)
• Experience working with SQL or NoSQL databases (e.g., MongoDB, MySQL)
• Practical experience with REST, GraphQL, or WebSockets
• Understanding of microservices architecture
• Experience with GIT version control system
• At least intermediate level of English

Optional

• Experience with code generation, including non-AI and AI-assisted approaches
• Azure AI Foundry experience
• Data Science fundamentals and collaboration with DS teams
• Strong background in Big Data architectures and Spark ecosystems
• Familiarity with financial instruments and financial services data
• Hands-on experience with industry-standard LLMs (including GPT, Claude or similar)
• Exposure to AI-enabled data platforms and intelligent analytics use cases

This is how we work on a project

Development opportunities we offer

What we offer

• Engineering community of industry professionals
• Friendly team and enjoyable working environment
• Flexible schedule and opportunity to work remotely within Poland
• Chance to work abroad for up to 60 days annually
• Business-driven relocation opportunities
• Outstanding career roadmap
• Leadership development, career advising, soft skills, and well-being programs
• Certification (GCP, Azure, AWS)
• Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru
• English language classes
• Stable income (Employment Contract or B2B)
• Participation in the Employee Stock Purchase Plan
• Benefits package (health insurance, multisport, shopping vouchers)
• Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more
• Referral bonuses
• Corporate, social and well-being events

Benefits