Lead Java Engineer - FinTech, Hybrid (3 days Onsite)

EPAM Systems; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Health insurance

Multisport

Shopping vouchers

Employee Stock Purchase Plan (15% off)

Job summary

EPAM Systems is seeking a Lead Java Software Engineer in Warsaw to join our financial services practice. You will build robust Java applications for major banks, create REST APIs, and apply reactive programming to deliver scalable, reliable systems.

You will design tests and work with NoSQL databases in a collaborative, Agile environment. The role requires 8+ years of Java experience, MongoDB familiarity, JAX-RS REST API expertise, and strong English.

Qualifications

• 8+ years of Java development experience, Java 8 & 9.
• REST API implementation experience (JAX-RS preferred).
• Experience with NoSQL databases, ideally MongoDB.
• Reactive programming experience, preferably RxJava.
• English proficiency at B2 level or higher.

Responsibilities

• Build robust Java applications and solutions for financial services clients.
• Create REST APIs to support business requirements.
• Utilize reactive programming to build responsive systems.
• Design and maintain unit tests to ensure code quality.
• Incorporate NoSQL databases into system architecture.
• Collaborate with cross-functional teams to deliver software.

Skills

Java 8/9

REST API

Reactive RxJava

NoSQL MongoDB

Unit testing

Agile Scrum

English B2+

Tools

JAX-RS

MongoDB

Job description

EPAM Systems is seeking a Lead Java Software Engineer in Warsaw to join our financial services practice. You will build robust Java applications for major banks, create REST APIs, and apply reactive programming to deliver scalable, reliable systems.

You will design tests and work with NoSQL databases in a collaborative, Agile environment. The role requires 8+ years of Java experience, MongoDB familiarity, JAX-RS REST API expertise, and strong English.