Senior Java Developer (Multithreading)

act digital; Lisboa; Híbrido; EUR 55 000 - 75 000; Tempo integral

Resumo da oferta

act digital is seeking an experienced Senior Java Developer to join a team building and maintaining innovative digital platforms for a global financial environment. You will contribute to high‑performance applications across the full software lifecycle while collaborating with international teams.

The role is hybrid, with 2-3 days per week in the Lisbon office. Candidates should have strong Java 21+ experience, Spring expertise, and solid English communication skills to succeed in a globally

Qualificações

• Degree in Computer Science, Software Engineering, or a related field.
• Strong experience with Java 21+.
• Solid knowledge of the Spring Framework.
• Experience with relational databases and SQL.
• Strong understanding of multithreading, concurrency, and asynchronous processing in Java.
• Experience with software testing and requirements analysis.
• Experience working on complex and evolving codebases.
• Frontend development experience with Angular is valued.
• Experience in Agile environments.
• Exposure to financial services or capital markets is an advantage.
• Excellent communication and collaboration skills.
• Professional proficiency in English.

Responsabilidades

• Develop and maintain enterprise-grade Java applications.
• Ensure applications are delivered with high standards of quality, security, and performance.
• Participate in the full software development lifecycle, including technical analysis, documentation, development, testing, and code reviews.
• Collaborate with production support teams to ensure smooth releases and ongoing platform maintenance.
• Work closely with business stakeholders to understand requirements and deliver effective technical solutions.
• Provide L3 support when required, assisting with troubleshooting and issue resolution.
• Contribute to Agile development practices and continuous improvement initiatives.

Conhecimentos

Java 21+

Spring Framework

Relational databases

Multithreading/concurrency

Asynchronous processing

Testing & requirements analysis

Agile development

English

Angular (frontend)

Formação académica

Degree in Computer Science / Software Engineering or related field

Descrição da oferta de emprego

We are looking for an experienced Senior Java Developer to join a team responsible for developing and maintaining innovative digital platforms used within a global financial environment. You will contribute to the evolution of high-performance applications, working across the full software development lifecycle while collaborating with international teams and business stakeholders.

Work Model:

Hybrid (2-3 days per week in the office - Lisbon)

Key Responsibilities

• Develop and maintain enterprise-grade Java applications.
• Ensure applications are delivered with high standards of quality, security, and performance.
• Participate in the full software development lifecycle, including technical analysis, documentation, development, testing, and code reviews.
• Collaborate with production support teams to ensure smooth releases and ongoing platform maintenance.
• Work closely with business stakeholders to understand requirements and deliver effective technical solutions.
• Provide L3 support when required, assisting with troubleshooting and issue resolution.
• Contribute to Agile development practices and continuous improvement initiatives.

Required Skills & Experience

• Degree in Computer Science, Software Engineering, or a related field, or equivalent professional experience.
• Strong experience with Java 21+.
• Solid knowledge of the Spring Framework.
• Experience working with relational databases and SQL.
• Strong understanding of multithreading, concurrency, and asynchronous processing in Java.
• Experience working with software testing and requirements analysis.
• Experience working on complex and evolving codebases.
• Frontend development experience with Angular is valued.
• Experience working within Agile development environments.
• Exposure to financial services, capital markets, or investment banking environments is considered an advantage.
• Excellent communication and collaboration skills.
• Professional proficiency in English.

If you're passionate about Java development and want to work on large-scale, business-critical applications within an international environment, we'd love to hear from you.