Senior Node.js Developer (Fintech)

TL;DR

Senior Node.js Developer (Fintech): Designing and developing scalable backend systems and services for high-load platforms with an accent on microservices architecture and third-party API integrations. Focus on building performant features from scratch, optimizing system maintainability, and collaborating within a cross-functional development environment.

Location: Must be based in or be able to relocate to Lisbon, Portugal (On-site role)

Company

A global product company creating end-to-end tech solutions for Fintech and iGaming industries with a rapidly growing international team.

What you will do

• Develop and maintain in-house backend platforms using Node.js and Nest.js.
• Design and implement complex third-party API integrations.
• Build new features from scratch within a microservices environment.
• Optimize backend systems for high-load performance and scalability.
• Collaborate with frontend, QA, and product teams to deliver high-quality code.
• Participate in code reviews and contribute to architecture improvements.

Requirements

• 5+ years of professional experience in web development.
• 3+ years of hands-on experience with Node.js and Nest.js.
• Relocation: Must be based in or willing to relocate to Lisbon, Portugal.
• Strong knowledge of JavaScript (ES6+), SQL, and NoSQL databases.
• Experience with REST, GraphQL, and WebSockets.
• Understanding of microservice architecture and TDD principles.
• English: Advanced proficiency required.

Nice to have

• Strong knowledge of TypeScript.
• Experience with Kubernetes and containers.
• Experience with NATS and RabbitMQ.
• 2+ years of experience with CI/CD workflows.

Culture & Benefits

• Comprehensive relocation package including flight tickets, temporary hotel stay, and visa support.
• Private medical coverage including dental and maternity support.
• 24 days of annual leave and 6 additional paid sick days.
• Monthly transport allowance of 200 euros net.
• Partial compensation for sports, language classes, and wellness activities.
• Competitive salary with annual performance reviews.

Hiring process

• Recruiter interview, technical assessment (HackerRank), technical interview, and final leadership discussion.