Senior Node.js Developer

Responsibilities

• Develop and maintain in-house backend platforms using Node.js and Nest.js
• Design and implement third-party API integrations
• Build new features and services from scratch within a microservices environment
• Optimize performance and scalability for high-load systems
• Write clean, testable, and maintainable code following TDD principles
• Participate in code reviews, knowledge-sharing, and continuous improvement initiatives
• Collaborate with frontend, QA, and product teams to ensure high-quality deliveries

Requirements

• 5+ years of professional experience in web development
• 3+ years of hands-on experience with Node.js and Nest.js
• Strong knowledge of JavaScript (ES6+)
• Experience with high-load SQL and/or NoSQL databases (e.g., MongoDB, MySQL)
• Proven experience implementing REST, GraphQL, and WebSockets
• Solid understanding of microservice architecture principles
• Experience with Git and modern CI/CD workflows
• Experience with Redis and RabbitMQ
• Advanced level of English

Preferred Qualifications

• 2+ years of experience with CI/CD, microservices, and containers
• Experience with Kubernetes
• Experience with NATS
• Strong knowledge of TypeScript

Benefits

• Full relocation support and visa sponsorship for international candidates
• Competitive remuneration with annual reviews
• Private medical coverage (inpatient, outpatient, dental, and maternity)
• 24 non-business days per year plus 6 paid sick days
• Transport compensation of 200 euros net per month
• Urban Sport membership and partial compensation for tennis/padel lessons
• Learning and development opportunities
• Language class compensation (English and Portuguese)

About the Company

BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing. With a team of 1,300 bright minds, we build innovative, high-impact products that shape industries. We are looking for ambitious professionals to join our growing team in Lisbon.