HN Services Portugal
Senior Java Developer
Skills
13 days ago
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Important information
Contract type:
Permanent
Location:
Lisbon, Portugal
Work mode:
Onsite
Published on:
6 October 2026
What they need
🚀 We're looking for a Senior Java Backend Developer
Who We're Looking For
We are looking for a Senior Java Backend Developer to join an international banking environment, working on the development and evolution of Java-based applications and distributed systems . The role involves developing robust backend solutions, contributing to architectural decisions and driving the evolution of scalable and resilient systems.
✅ Professional Experience & Main Tasks
- Develop and maintain backend applications using Java.
- Design and implement robust, scalable and resilient solutions using Java, Spring and Struts .
- Develop and evolve microservices-based architectures and distributed systems.
- Work with Kafka and event-driven architectures.
- Contribute to technical and architectural decisions , ensuring the quality and scalability of solutions.
- Analyse existing systems and identify opportunities for technical improvements and optimisation .
- Lead the development and implementation of complex backend functionalities.
- Collaborate with technical teams to define solutions and ensure alignment with the overall application architecture .
- Support the continuous evolution, modernisation and improvement of existing applications.
- Troubleshoot complex technical issues and contribute to ensuring performance, scalability and reliability .
- Share knowledge and provide technical guidance to other developers when required.
✅ Skills & Experience
- Degree in Computer Science, Software Engineering, Information Technology or a related field.
- 5+ years of professional experience in Java backend development.
- Strong experience with Java, Spring and Struts .
- Strong knowledge of Kafka and distributed systems.
- Strong experience with microservices architectures .
- Good understanding of scalable, resilient and high-availability architectures .
- Experience with software architecture and technical design .
- Strong problem-solving and analytical skills.
- Ability to work independently and take ownership of technical solutions.
- Previous experience in banking or financial services is a plus.
🌍 Language Requirement
- English (Expert)
💼 Work Setup
Hybrid Mode (50/50)
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