Senior Full Stack Developer (Node.js & React) - Relocation to Portugal Required

Senior Full Stack Developer (Node.js & React) – Relocation to Portugal Required Join to apply for the

Senior Full Stack Developer (Node.js & React) – Relocation to Portugal Required

role at

BrainRocket

This is an on‑site position based in Lisbon. Candidates must either already be in Lisbon or be willing to relocate. Full relocation support will be provided if necessary.

BrainRocket is a global company creating end‑to‑end tech products for clients across Fintech, iGaming, and Marketing. We don’t follow formats. We shape them. We build what works, launch it fast, and make sure it hits.

We are looking for an experienced Senior Full Stack Developer (Node.js & React) to join our development team in Lisbon. This role is 80% Backend (Node.js) and 20% Frontend (React), where you’ll help build and scale a next‑generation payments integration platform that connects businesses with multiple financial service providers through secure, high‑performance APIs.

Design and implement robust solutions that power our payments platform, ensuring scalability, security, and reliability. You will contribute to building seamless integrations with banks and payment providers while actively participating in the evolution of a cutting‑edge fintech product.

Responsibilities

Design, implement, and optimize backend‑heavy solutions for our proprietary payments platform

Develop and maintain complex integrations with banks, PSPs, and other third‑party providers

Actively participate in the full feature lifecycle, from concept and design to implementation and release

Contribute to the continuous evolution of our fintech payments solution, ensuring adaptability to market needs

Collaborate within agile development cycles (Scrum), including grooming, sprint planning, and bi‑weekly releases

Identify opportunities to improve technical approaches, performance, and development processes

Work closely with design, product, and business teams to align features with user and business needs

Qualifications

5+ years of professional experience in web development

3+ years of hands‑on experience with Node.js

3+ years of frontend experience with React

Solid experience with Next.js, Nest.js, Apollo, and Material UI

Strong proficiency in TypeScript

Experience with high‑load SQL and / or NoSQL databases

Hands‑on experience with REST, GraphQL, and WebSockets

Knowledge of TDD and experience writing automated tests

Understanding of microservice architecture principles

Proficiency with Git workflows

Hands‑on experience with RabbitMQ and Redis

Experience with MongoDB and MySQL

Advanced English skills (written and spoken)

Nice to Have

Experience in Fintech or payment systems

Exposure to Kubernetes or containerized environments

Familiarity with DevOps practices (CI / CD, cloud deployment)

Recruitment Process

Interview with the Recruiter

Technical Assessment (HackerRank)

Technical Interview

Final Interview with the Hiring Team

Offer

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

Competitive remuneration level with annual review

❗️Important : This is an on‑site position based in Lisbon. Remote or hybrid work is not available. Candidates must either already be in Lisbon or be willing to relocate. Full relocation support will be provided if necessary.❗️

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