Senior Java Developer - High-Load Trading (Flexible Hours)

EPAM Systems; Lisboa; On-site; EUR 55,000 - 75,000; Full time

Benefits offered by this job

Flexible work hours

Career growth

Job summary

EPAM Systems is seeking a Senior Java Developer to join our team in Portugal, focusing on the design and development of high-load distributed systems for electronic trading platforms. You will work with a multidisciplinary team of Java and C# developers, analyzing and developing new functionalities while maintaining existing systems.

Responsibilities include leading backend design, optimizing low-latency code, and mentoring teammates in an agile, SDLC-driven environment.

Qualifications

• 5+ years in software development with 2+ years as IT team lead.
• Mastery of Java core (SE, multi-threading, low latency).
• Practical experience with C#.
• Strong experience in highload system design.
• Hands-on experience with distributed computing/caching (Oracle Coherence or other DHTs).
• Experience with electronic trading platforms or other high-load distributed architectures.
• Experience in agile development methodologies.
• Experience in migration or refactoring projects to new technology stacks.

Responsibilities

• Lead the design and implementation of highload distributed backend systems.
• Write, profile and optimize performant code for low-latency environments.
• Oversee migration and refactoring projects to new technology stacks.
• Collaborate with business stakeholders to gather requirements and perform technical analysis.
• Guide and mentor a team of developers fostering a collaborative and inclusive environment.
• Ensure adherence to SDLC best practices and agile development methodologies.
• Participate in code reviews, architectural discussions and technical decision-making.
• Maintain high standards of software quality and reliability.
• Communicate effectively with cross-functional teams and stakeholders.
• Manage time and multiple tasks effectively with the ability to regularly context-switch.

Skills

Java core

C# experience

Highload design

Multithreading

Low latency

SDLC & Agile

Code reviews

Tools

Oracle Coherence

Distributed computing

Job description

EPAM Systems is seeking a Senior Java Developer to join our team in Portugal, focusing on the design and development of high-load distributed systems for electronic trading platforms. You will work with a multidisciplinary team of Java and C# developers, analyzing and developing new functionalities while maintaining existing systems.

Responsibilities include leading backend design, optimizing low-latency code, and mentoring teammates in an agile, SDLC-driven environment.