Senior Java Developer - Spring

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

Main Tasks And Responsibilities

Noesis is looking for professionals whith the following profile:

• 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).

Profile

• 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.

Join us. Let’s innovate together!

All our recruitment and selection processes are based on equal opportunities, valuing the competence and potential of each person and ensuring that no candidate is discriminated on the grounds of gender, ethnicity, sexual orientation, age, religion or physical condition.

• Job advertisement under Law nr 4 / 2019, of 10th January