Senior Back-end Developer Lisboa

act digital is a multinational company present in 12 countries, which combines local agility and global expertise to act as a strategic partner for our clients in delivering customized and scalable solutions.

In Portugal, we have around 120 clients and a team of over 400 people, working on projects in sectors as diverse as Banking, Insurance, Transport, Aviation and Energy.

Job Description

We are looking for a Senior Back-End Developer / Solutions Architect.

Responsibilities

• Develop and architect backend services with Nest
  JS, leveraging its modular architecture, dependency injection, middleware, guards, and interceptors.
• Design and implement RESTful APIs with Nest
  JS, integrating smoothly with databases using Type
  ORM or Prisma ORM focused on relational databases like Postgre
  SQL or My
  SQL.
• Mentor junior developers, lead code reviews, and enforce best practices in coding and architecture.
• Maintain strong emphasis on security, performance, and scalability in cloud‑native application development.

Qualifications

• Proven experience in Type
  Script and Nest
  JS with strong backend API development expertise.
• Solid understanding of React. js for frontend development, including modern hooks and state management.
• Experience with relational databases and ORM tools like Type
  ORM.
• Familiarity with containerization (Docker), CI/CD pipelines, and automated deployment in cloud environments.
• Strong collaboration and communication skills within cross‑functional agile teams.

Technical Skills

• Nest
  JS, Type
  Script, Node. js, REST APIs, Type
  ORM.
• Testing: Jest, Supertest for backend; React Testing Library for frontend.
• Nice to have some knowledge in a hyperscaller like GCP, AWS, Azure.
• Fluency in English.

Working model

• Hybrid working model in Lisbon, Braga or Coimbra (candidates must reside in Portugal)

Seniority level

• Mid‑Senior level

Employment type

• Full‑time

Job function

• Consulting

Industries

• IT Services and IT Consulting

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