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Senior Backend Java Developer (M/F)

QUANTEAM - Portugal (RAINBOW PARTNERS Group)

28.06.2025 | | Referência: 2291590


  PARTILHAR






Empresa:

QUANTEAM - Portugal (RAINBOW PARTNERS Group)


Descrição da Função

Who are we?


As the founding entity of RAINBOW PARTNERS, Quanteam is a consulting firm specializing in the fields of Banking, Finance, and Financial Services. Guided by our core values of closeness, teamwork, diversity, and excellence, our team of 980 expert consultants, representing 35 different nationalities, collaborates across 12 international offices: Paris, Lyon, New York, Montreal, London, Brussels, Geneva, Lisbon, Porto, Casablanca, Madrid and Singapore. Committed to sustainability (Ecovadis Gold), diversity (gender index: 92%), and quality of work life (Best Workplace Experience), Quanteam is a forward-thinking enterprise.


Our Expertise


With a dual expertise in both business and IT, Quanteam supports its corporate clients (investment banks, asset management companies, private and retail banks, custodians, etc.) across the entire Front-to-Back spectrum in evolving their business activities and transformation projects.


Our teams are organized into 5 expertise areas:

Quantitative Finance

Risk, Compliance, and Regulatory

Operations and Finance

Transformation and Organization

Information Systems

In 2023, Quanteam generated a revenue of €74.6 million.


We are looking for a high-caliber Java Backend Developer to join a cutting-edge project. This is not typical Spring-boot developer role - we're searching for someone who understands Java at its core.

You will work at the core of our trading applications, directly impacting how traders interact with the system.



Main Tasks:

  • Develop and maintain high-performance backend services in Java 17.
  • Work on core trading applications with focus on low latency & high throughput.
  • Optimize Java Virtual Machine performance, including Garbage Collection tuning.
  • Implement concurrent, multithreaded processing logic.
  • Apply reactive programming and system optimization techniques.
  • Collaborate with a technical team to deliver scalable, reliable solutions.
  • Contribute to containerized deployments and CI/CD workflows.


Technical Skills:

  • Strong expertise in modern Java (v17).
  • Solid academic background.
  • Previous experience in Trading, or other high-performance, low-latency environments.
  • Deep understanding of:
  • Java Collections, Garbage Collector tuning
  • Multithreading, Concurrency, Reactive Systems
  • Performance Optimization
  • Experience with containers (Docker, etc.)
  • Fluent in English (B2 or more).


Hybrid Role in Porto or Lisbon.


If you feel this opportunity is for you, send your CV and join our team!


Observações

Lisboa (Portugal)





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