Senior Java Software Engineer

EPAM Systems; España; On-site; PHP 4,999,999 - 6,428,571; Full time

Job summary

EPAM Systems is seeking a Senior Software Engineer to join our team in Madrid, Spain, in a hybrid working model. You will be responsible for designing and implementing high-performance backend solutions geared towards post-trade processing systems used by global financial institutions.

This role involves translating complex business requirements into secure and scalable software while adhering to strict industry standards. Your contributions will have a significant impact on mission-critical systems in a dynamic global environment.

Qualifications

• 10+ years of experience in high-performance, multi-threaded Java applications.
• Strong expertise in Spring Boot and SQL database optimization.
• Experience with event-driven architectures and financial systems.

Responsibilities

• Design and develop Java-based backend solutions for post-trade processing.
• Ensure compliance with financial regulations and internal policies.
• Support integration for seamless messaging between components.

Skills

Java 8+

Spring Boot

SQL

Hibernate

Agile methodologies

Event-driven architecture

English proficiency

Job description

Overview

We're looking for a Senior Software Engineer to join our team in Madrid, Spain in a hybrid working mode. In this role, you will design and implement high-performance backend solutions for post-trade processing systems used by global financial institutions. You’ll translate complex business requirements into secure, scalable software while ensuring compliance with strict industry standards and regulations. Work on cutting-edge trading infrastructure powering real-time post-trade processes worldwide, enabling advanced financial operations for leading institutions. This is your opportunity to make an impact on mission-critical systems in a highly dynamic, global environment.

Responsibilities

• Design and develop Java-based backend solutions for post-trade processing systems
• Translate business and regulatory requirements into secure and scalable solutions
• Ensure compliance with internal security policies and external financial regulations
• Optimize database performance and ensure data integrity for high-volume transactions
• Work within agile frameworks (SCRUM/SAFe) in collaboration with developers, testers and business stakeholders
• Contribute to the reliability and stability of mission-critical systems used by leading financial institutions
• Support system integration and event-driven architecture for seamless messaging between components
• Participate in code reviews and apply development best practices for maintainability and performance

Requirements

• 10+ years of experience in high-performance, multi-threaded Java applications (Java 8+), with strong expertise in Spring Boot
• Advanced knowledge of SQL, Hibernate and database optimization techniques
• Experience designing and maintaining large-scale event-driven architectures and messaging systems
• Understanding of security and compliance governance in financial systems
• Strong problem-solving and troubleshooting skills in production environments
• Solid experience in complex, mission-critical systems with a focus on performance and scalability
• Effective communication and collaboration in cross-functional agile teams
• Fluent English proficiency (written and spoken)
• Nice to have: Exposure to Angular or other modern front-end frameworks
• Nice to have: Familiarity with financial messaging protocols (e.g., FIX, SWIFT)
• Nice to have: Knowledge of post-trade processing and regulatory requirements in capital markets