Pular para o conteúdo principal

Expert Java Developer

Tecnologia
act digital
Lisboa, PortugalHá 1 mesesAté 23/10/2026
Tempo inteiro

Descrição da vaga

🚀 We're Hiring | Senior Java Developer | Lisbon

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

  • C# / .NET experience
  • Experience with electronic trading platforms or financial systems
  • Knowledge of financial markets and trading products
  • Business Analysis and System Design experience

Languages

Fluent English (mandatory)

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

📍 Location: Lisbon, Portugal

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!

Keywords
monthsOfExperience: 60MS-DOSScalabilityJavaJava Virtual MachineSoftware buildElectronic trading platformSoftware Engineering

Interessado nesta vaga?