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Backend Developer

QiBit Portugal

Oferta Full-time
Tecnologia Lisboa, pt €895 - €1 760/mês mercado Posted 2 hours ago
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28/04/2026
Há 2 hours ago

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Description

We are looking for a Backend Developer to join the team of our client - a reference .

What will be your main tasks and responsibilities?

Design and implement backend services in Java (Spring / Spring Boot) within a microservices architecture.

Develop and maintain RESTful APIs for integration between internal services and external systems.

Model, implement and optimise relational data models in PostgreSQL, MongoDB and SQL Server (complex queries, indexes, basic tuning).

Develop and maintain end-to-end web applications (frontend and backend)

Implement modern, responsive interfaces using React

Develop APIs and backend services using Node.js

Create and maintain Dockerfiles and configurations required for the containerisation of backend services.

Ensure best practices for versioning, CI/CD and deployment using Git and existing pipelines (e.g. integration with Docker).

Implement unit and integration tests, supporting quality throughout the entire lifecycle (SIT, UAT, production).

Monitor, analyse and resolve incidents in the production environment, contributing to stability and observability.

Collaborate with FE and Core System (BANKA) teams, as well as business analysts, translating business requirements into technical solutions.

Participate in code reviews and the continuous improvement of the codebase, architectural patterns and technical guidelines.

Document services, endpoints, data flows and architectural decisions in tools such as Jira/Confluence.

What is required from you?

Solid experience in backend development using Java (Java 8+), ideally with Spring / Spring Boot.

Practical experience with microservices architectures (REST communication, event-driven where applicable).

Proficiency in Node.js and React.

Knowledge of designing and consuming REST APIs (best practices, versioning, documentation).

Basic understanding of backend application security (authentication/authorisation, handling of sensitive data).

Knowledge of messaging/events (Kafka, NATs, ActiveMQ), centralised monitoring/logging, Kubernetes or other container orchestration is an advantage.

Sounds like you?

Send us your CV and let's talk!

#LI-SN1

Candidate-se através do website

Weather on start day

Tuesday, 28 de April — Partly cloudy · Max 23° · Min 16° · Rain 8% (0mm) · Wind 13 km/h

Previsão para os dias seguintes

  • Wed, 29 Apr
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Detalhes

Listing type
Job Offer
Schedule Type
Full-time
Category
Tecnologia
Status
—
Location
Lisboa, pt
Start
28/04/2026
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Salário de Mercado

€895 - €1 760/mês