Junior Java Engineer: Client-Facing, Cloud & Microservices

EPAM Systems; Warszawa; On-site; PLN 80,000 - 120,000; Full time

Job summary

EPAM Systems, Inc. is seeking a Junior Java Software Engineer to join a lean, autonomous engineering team in Warsaw. You will work directly with clients to build scalable, high-performance platforms and contribute to a culture of transparency and trust.

You will collaborate with engineers, architects, and product managers; write PRDs, tests, and design docs; and own modules from idea to production when needed. Strong Java, SQL, and English communication are required.

Qualifications

• BS degree in Computer Science or a related technical field, or equivalent practical experience.
• 1+ years of experience with Java, SQL, and unit testing.
• Knowledge of algorithms and data structures, CI, and Google Cloud Platform.
• Understanding of application security and familiarity with Git.
• Excellent English communication skills (B2) with client-facing experience.

Responsibilities

• Collaborate with engineers, architects, and product managers to build scalable, high-performance platforms.
• Communicate directly with clients to collect and analyze their needs.
• Create necessary documentation, including PRDs, test cases, and design docs.
• Work independently as the sole developer on an app from idea to ready product when required.
• Deliver quality work on time while handling multiple tasks simultaneously.
• Apply cloud technologies and microservices architecture principles to project development.
• Contribute to a culture of purpose, transparency, and trust within the team.
• Approach problems by identifying root causes and balancing quality and speed.

Skills

Java

SQL

Unit testing

Algorithms

GCP

Git

CI/CD

English (B2)

Education

BS in Computer Science or related field

Tools

Google Cloud Platform

gRPC

Google Cloud Spanner

Job description

EPAM Systems, Inc. is seeking a Junior Java Software Engineer to join a lean, autonomous engineering team in Warsaw. You will work directly with clients to build scalable, high-performance platforms and contribute to a culture of transparency and trust.

You will collaborate with engineers, architects, and product managers; write PRDs, tests, and design docs; and own modules from idea to production when needed. Strong Java, SQL, and English communication are required.