Senior Java Developer (relocation to Portugal)

EPAM is looking for a Senior Java Developer to join our team in Portugal, focusing on the design and development of highload distributed systems for electronic trading platforms. You will work in a multidisciplinary team of Java and C# developers analyzing and developing new functionalities as well as maintaining existing systems. This role involves working on core services and components, feed handlers, shared libraries, metrics and reporting tools and front-end applications. You will interact directly with traders, front-line support and other development teams in a high-pressure front-office IT environment. The ideal candidate is highly motivated, technically strong, analytically minded and comfortable with both business analysis and development tasks.

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

Requirements

• At least 5 years of software development experience with a minimum of 2 years as an IT team lead
• Mastery of Java core (SE, multi-threading, low latency and optimization)
• 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

Nice to have

• Experience with Oracle Coherence
• Additional experience with other distributed caching or computing technologies
• Familiarity with financial products or trading systems beyond FX
• Prior involvement in migration or refactoring projects
• Experience working in a fast-paced agile environment
• Knowledge of other programming languages relevant to backend development
• Experience with performance tuning and optimization in distributed systems
• Understanding of regulatory requirements in financial systems
• Experience with cloud-based architectures or services