Senior Java Developer — Spring & Microservices

Noesis; Lisboa; Presencial; EUR 55 000 - 75 000; Tempo integral

Resumo da oferta

Noesis is seeking a skilled Java developer in Lisbon to analyze, develop and maintain scalable Java applications using microservices, ensuring performance, quality and security. You will work with cross-functional teams on complex challenges and contribute to architectural decisions.

Ideal candidates have 5+ years in Java, strong SQL/NoSQL knowledge, and experience with Spring, REST/XML services, and messaging systems like Pulsar. Join a dynamic, innovation-driven team in Portugal.

Qualificações

• Degree in Computer Science or similar.
• Minimum of 5 years of experience in Java development.
• Advanced knowledge of Java 8+, software architecture, design patterns, SQL/NoSQL databases and frameworks such as Spring.
• Experience with Web Services (XML/REST, EMS/JMS preferred) and asynchronous messaging technologies such as Apache Pulsar.
• Knowledge of application security practices (OAuth2, JWT, OpenID, JWS) and eCommerce/digital payment solutions.
• Strong problem-solving skills and ability to work autonomously on complex technical challenges.
• Excellent communication skills and ability to collaborate effectively with cross-functional teams.

Responsabilidades

• Analyze, develop and maintain Java applications following best practices, using scalable, high-availability and microservices-based architectures.
• Optimize application performance (concurrency, SQL queries) and conduct code reviews to ensure software quality.
• Ensure security and compliance of the developed solutions.
• Collaborate with functional, technical and testing teams.
• Analyze and resolve complex problems (advanced debugging, log analysis).
• Participate in technical decision‑making (technology choices, architecture, frameworks and tools).

Conhecimentos

Java development

System architecture

SQL/NoSQL

Spring Framework

Web Services

Asynchronous messaging

Security practices

Problem solving

Team collaboration

Formação académica

Degree in Computer Science or similar

Ferramentas

EMS/JMS

Apache Pulsar

Descrição da oferta de emprego

Noesis is seeking a skilled Java developer in Lisbon to analyze, develop and maintain scalable Java applications using microservices, ensuring performance, quality and security. You will work with cross-functional teams on complex challenges and contribute to architectural decisions.

Ideal candidates have 5+ years in Java, strong SQL/NoSQL knowledge, and experience with Spring, REST/XML services, and messaging systems like Pulsar. Join a dynamic, innovation-driven team in Portugal.