Expert Java Developer

act digital; Lisboa; Presencial; EUR 45 000 - 65 000; Tempo integral

Resumo da oferta

act digital seeks an experienced Senior Java Developer to join their team in Lisbon. This role involves developing a high-performance electronic FX trading platform, optimizing low-latency applications, and participating in the software development lifecycle.

The ideal candidate has strong leadership skills, a solid background in Java, and experience with high-load systems. Join us to work on challenging projects in a collaborative Agile environment.

Qualificações

• 5+ years of software development experience.
• At least 2 years of experience leading technical teams or mentoring developers.
• Deep understanding of multithreading, concurrency, performance tuning, and JVM internals.

Responsabilidades

• Develop and maintain a high-performance electronic trading platform.
• Participate in the full software development lifecycle.
• Collaborate closely with production support teams.

Conhecimentos

Java SE

Core Java

Leadership

Multithreading

Concurrency

Performance tuning

Problem-solving

Descrição da oferta de emprego

Are you an experienced Senior Java Developer with a passion for building high-performance, low-latency systems? We're looking for a talented engineer to join an international team developing a cutting-edge electronic FX trading platform.

This is an opportunity to work on mission-critical applications where performance, scalability, and reliability are essential.

What you'll do

• Develop and maintain a high-performance electronic trading platform.
• Design, build, and optimize low-latency, high-throughput applications.
• Participate in the full software development lifecycle, from technical analysis and design to development, testing, code reviews, and deployment.
• Collaborate closely with production support teams to ensure smooth releases and platform stability.
• Contribute to system modernization and refactoring initiatives.
• Participate in Agile ceremonies and work with business stakeholders throughout the delivery process.
• Provide third-line production support when required.

What we're looking for

• 5+ years of software development experience
• At least 2 years of experience leading technical teams or mentoring developers
• Strong expertise in Java SE and Core Java
• Deep understanding of multithreading, concurrency, performance tuning, and JVM internals (Garbage Collection, Memory Model, JIT compilation)
• Experience designing and optimizing low-latency, high-load systems
• Experience with system refactoring and modernization projects
• Good understanding of SDLC and software engineering best practices

Nice to have

• Experience with electronic trading platforms or financial systems
• Knowledge of financial markets and trading products
• Business Analysis and System Design experience

What you'll bring

• Strong leadership and mentoring skills
• Excellent analytical and problem-solving abilities
• Ownership mindset and focus on delivering quality solutions
• Strong communication and presentation skills
• Ability to work in a collaborative Agile environment

If you're looking for a technically challenging role where you can work on high-performance distributed systems and contribute to the evolution of a global trading platform, we'd love to hear from you!