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Jobs / BrainRocket / Team Lead Backend Developer (Node.js) - Fintech Solution (Portugal)
Posted 2026-05-06

Team Lead Backend Developer (Node.js) - Fintech Solution (Portugal)

Description

We are looking for an experienced Team Lead Backend Developer (Node.js) to join our development team in Lisbon. This is a highly hands-on role: you will lead a cross-functional team, actively writing and reviewing code, shaping architecture, and driving technical excellence. You will play a key role in building high-performance payment systems, ensuring scalability and security for real-money transactions. Your Mission: Lead a cross-functional team of engineers, ensuring the delivery of high-quality, secure, and timely releases for our in-house payment gateway. You will be deeply involved in coding, architectural decisions for microservices, and system improvements, all while mentoring your team and fostering a collaborative, transparent, and growth-oriented environment within the fintech domain.

Responsibilities
  • Manages a cross-functional team of engineers by conducting activities such as periodic feedback, one-to-one sessions, performance evaluations, and preparing individual development plans for direct reports.
  • Helps manage resources within the team, assigns tasks, and ensures a balanced workload among engineers.
  • Personally engages in product development, writing and reviewing code, and delivering periodic product improvements.
  • Leads the development of the in-house fintech platform with a focus on performance, scalability, and security.
  • Builds and manages complex payment API integrations with banks, PSPs, and third-party services.
  • Participates in agile ceremonies (Scrum/Kanban) to ensure team alignment and adherence to agile best practices.
  • Improves platform quality by refactoring code, identifying and resolving technical debt, and optimizing architecture for high-load integrations.
  • Creates solution designs and determines technical implementations for product changes, specifically regarding microservices and messaging systems.
  • Supports Engineering Managers in creating new guidelines and ensuring domain knowledge of payment flows is well documented.
Requirements
  • Bachelor’s or Master’s degree in Computer Engineering, Computer Science, or a related field.
  • 8+ years of professional experience in IT, with 3+ years in leadership positions.
  • 2+ years of experience in Fintech, banking, or financial systems (experience with real-money transactions is highly preferred).
  • 3+ years of commercial experience with Node.js and strong proficiency in TypeScript.
  • Hands-on experience with RabbitMQ, Redis, MySQL, and MongoDB.
  • Expert knowledge of REST, GraphQL, and WebSockets for secure financial integrations.
  • Experience with Kubernetes, microservices architecture, and secure development practices.
  • Advanced level of English.
Benefits
  • Learning and development opportunities and interesting, challenging tasks.
  • Relocation package (tickets, staying in a hotel for up to 2 weeks, and visa relocation support for our employees and their family members).
  • Opportunity to develop language skills, with partial compensation for the cost of English and Portuguese language classes (for localization purposes).
  • Partial compensation for tennis and padel lessons.
  • Urban Sport membership benefit (the most diverse sports and wellness offering in Europe, with more than 50+ activities).
  • Private medical coverage, including inpatient, outpatient, dental care, annual check-ups, and maternity support.
  • Time for proper rest, with 24 non-business days per year and an additional 6 paid sick days.
  • Transport compensation - 200 euros net per month.
  • Competitive remuneration level with annual review.
  • Teambuilding activities.