Senior Full-Stack Engineer (Mobile App Team).

Portugal, PT
Senior (4-6 Years)
Full remote
English Required Not Accepting Candidates Living Abroad

Requirements

  • Experiência Sénior: Experiência comprovada a trabalhar a um nível sénior, capaz de definir autonomamente arquitetura, modelação de dados e estratégias de deployment.
  • Domínio de Backend: Experiência sólida e comprovada em produção com Node.js (TypeScript), especificamente utilizando o framework NestJS.
  • Base de Dados e Caching: Experiência prática com PostgreSQL (design de bases de dados relacionais, otimização de queries) e Redis (caching e estruturas de dados).
  • DevOps e Infraestrutura: Experiência com contentorização (Docker, Docker Compose) e deployment/gestão de serviços em AWS ECS.
  • Rigor Arquitetural: Conhecimentos sólidos de padrões de arquitetura e design de software.
  • Competências de Frontend/Mobile: Experiência prática com React Native e o ecossistema Expo para desenvolvimento full stack de funcionalidades.
  • Autenticação: Experiência na implementação de fluxos complexos de gestão de identidade utilizando Auth0.
  • Testes: Forte orientação para testes automatizados (unitários, integração e end-to-end) tanto no backend como na camada mobile.

Principais Responsabilidades

  • Arquitetura Backend: Conceber, desenvolver e manter serviços backend altamente escaláveis e testáveis utilizando NestJS (Node.js/TypeScript).
  • Integração Mobile: Implementar e otimizar funcionalidades frontend em aplicações React Native e no ecossistema Expo.
  • Identidade e Segurança: Liderar a integração de fluxos empresariais de autenticação e autorização utilizando Auth0.
  • CI/CD: Gerir deployments e pipelines de builds automatizadas para serviços backend e aplicações mobile.
  • Dados e Caching: Projetar esquemas relacionais eficientes em PostgreSQL e implementar soluções de caching de elevado desempenho ou gestão de sessões utilizando Redis.
We connect IT professionals with projects that match their skills, professional experience, and goals, then we offer a career progression program, delivered by in-house specialists - our People Experience Partners - to guide them through our journey with us.

What we offer:

  • A project that matches your skills and ambitions, as well as your preferences for working policies and culture.
  • A competitive salary with awesome benefits and opportunities to leverage your knowledge and network to earn additional income.
  • An empowering and respectful work culture enriched with social and learning events.
  • A People Experience Partner specially assigned to you - your go-to career guide, responsible for supporting your growth, facilitating training, and ensuring your work-life balance at KWAN.
At KWAN, they make sure that I feel comfortable with the client I’m working for and that what I’m doing aligns with my career aspirations.
Luis Caldeira, DevOps @ KWAN
At KWAN, I’m given the space to be myself and do what I love. I have control over the projects I work on, as well as the direction of my career.
Pedro Fonseca, Front End Developer @ KWAN
I see my People Experience Partner as someone who is always available to provide me with motivation and constant feedback, which helps me be sure that I am in the right place.
Josimar dos Reis, Software Developer @ KWAN
I know that I’ve contributed to the growth of a company that truly values a “people first culture”, because my ideas, experiences, and individuality were always appreciated.
João Nascimento, Software Developer (KWAN Alumni)
My two years at KWAN were an incredible experience! From the start, I was welcomed into a warm and collaborative environment where I felt truly supported.
Laís Ortiz, Software Developer @ (KWAN Alumni)
Grab this opportunity, apply now!

What You Can Expect as a KWANer

Respect isn’t optional here

You’re trusted to deliver and supported to speak up.

Dedicated People Experience Partner

Someone accountable for your growth, not your allocation.

Continuous learning, built in

Learning that keeps pace with the systems you build.

Recognition that’s visible

Your impact doesn’t go unnoticed. Through our Rocket Points System, we constantly recognize your contributions.

A culture you can feel

From movie and quiz nights to dinners and our annual summer gathering, we don’t just work together - we build real connections.

Flexible spaces to work your way

Remote-first, with physical hubs when you want connection.

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