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act digital

Java developer

act digital
Portugal · Full-time · Mid-Senior

Job description:

We are looking for an experienced Senior developer to work on successful FX electronic dealing platform.

We are looking for a seasoned self-leading candidate with hands-on in Java core (Java SE), multithredaing/concurrency/perfomance experience. Good understanding on how JVM behaves on the backstage (Garbage Collections, Memory Model, JIT compilation, Cache oblivious algoritms). Ability to create design of highly loaded / low latency applications and successfull experience to refactor old design to new one. We also have a part of project written in .net, so C# experience is much appreciated.

Candidate will be acting at multirole - workout requirement, implement, test, confirm with business, release and participate in L3 PROD support rota.

Thus knowledge of financial products and electronic/exchange trading as well as Business Analysis (user stories) and System Design / Non-Functional management / SDLC / QA would be highly beneficial.

Main Tasks:

  • Responsible for the development and maintenance of the trading platform
  • Ensure the platform is developed and maintained to the highest standards of quality, security, and performance
  • Participate in an agile based software development life-cycle including technical analysis, documentation, development, testing and code reviews
  • Collaborate with the production support team for release and maintenance of the components


Technical Skills:

  • At least 5 years software development experience, with at least 2 years as an IT team lead
  • Experience with electronic trading platforms or other high-load real-time systems
  • Experience in agile development methodologies
  • Experience in migration / refactoring projects to new rails


Language Skills:

  • Java core (SE)- Mastery
  • C# - Practice
  • SDLC- Mastery
  • English


Soft Skills:

  • Leading developers
  • Presentation skills
  • Focusing on targets (tasks)

Key Skills

Ranked by relevance

java jvm c
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Posted
Dec 23, 2025
Type
Full-time
Level
Mid-Senior
Location
Lisbon

Industries

IT Services IT Consulting

Categories

Other Information Technology

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