Senior Java Developer - Payments Platforms, Scalable

Nimber; Amadora; Presencial; EUR 55 000 - 75 000; Tempo integral

Resumo da oferta

Nimber is seeking a Senior Java Developer to build and maintain scalable, highly available Java applications in the digital payments space. You’ll analyze, develop and review code, improve performance and security, and collaborate with cross-functional teams to deliver reliable software.

The role requires Java 8+, solid knowledge of database SQL, XML/REST services, JMS messaging, and asynchronous systems. A university degree and strong problem-solving skills are essential; you’ll mentor juniors

Qualificações

• Experience with Java applications, including debugging and maintenance.
• Improves performance, from concurrency to SQL optimisation.
• Reviews code and helps deliver reliable software.
• Builds security and compliance requirements into solutions.
• Works closely with cross-functional teams.
• Investigates complex issues using advanced debugging and log analysis.
• Contributes to architecture decisions.
• Mentors junior team members.

Responsabilidades

• Analyse, develop and maintain Java applications using sound engineering practices.
• Improve application performance, from concurrency to SQL query optimisation.
• Review code and help the team deliver reliable, maintainable software.
• Build security and compliance requirements into the solutions you develop.
• Work closely with functional, technical and testing teams.
• Investigate complex issues through advanced debugging and log analysis.
• Contribute to decisions on architecture, technologies, frameworks and tools.
• Share your knowledge and provide guidance to junior team members.

Conhecimentos

Java

Software architecture

SQL

XML/REST

Asynchronous systems

Analytical mindset

Autonomy

Team communication

Formação académica

University degree

Ferramentas

EMS/JMS messaging

Spring

Apache Pulsar

OAuth2/JWT/OpenID/JWS

Descrição da oferta de emprego

Nimber is seeking a Senior Java Developer to build and maintain scalable, highly available Java applications in the digital payments space. You’ll analyze, develop and review code, improve performance and security, and collaborate with cross-functional teams to deliver reliable software.

The role requires Java 8+, solid knowledge of database SQL, XML/REST services, JMS messaging, and asynchronous systems. A university degree and strong problem-solving skills are essential; you’ll mentor juniors