Junior Java Engineer - Hybrid, Mentored in Real-Time Security

EPAM Systems; Katowice; Hybrid; PLN 90,000 - 130,000; Full time

Benefits offered by this job

Hybrid work model

Work abroad up to 60 days annually

Employee Stock Purchase Plan with 15%

Health insurance

Multisport

Shopping vouchers

Job summary

EPAM Systems in Poland is seeking a Junior Java Software Engineer to join a large-scale security platform serving millions of users. You will work across backend, frontend, and infrastructure under a mentorship culture with pair programming and thorough code reviews.

You will implement features in Java Spring Boot, build React components, write tests with JUnit and Jest, and contribute to CI/CD and IaC with Ansible and Terraform.

Qualifications

• 0–2 years of experience or strong academic/project background.
• CS/Software Engineering degree or equivalent.
• Proficiency in Java fundamentals and OOP.
• Ability to work in English; strong communication skills.

Responsibilities

• Implement features and fixes in Java Spring Boot microservices.
• Build React/TypeScript components and manage state with Redux.
• Write unit and integration tests with JUnit and Jest.
• Assist with infrastructure automation using Ansible/Terraform.
• Support load testing with JMeter.
• Debug issues across distributed microservices.
• Optimize performance in low-latency environments.
• Optimize SQL queries in PostgreSQL and Vertica.
• Contribute to deployment pipelines and infrastructure as code.
• Participate in code reviews and pair programming sessions.

Skills

Java fundamentals

OOP

SQL basics

Git

REST/HTTP/JSON

Unit testing

Learning agility

Education

CS/Software Engineering degree or equivalent

Tools

Spring Boot

React

TypeScript

Redux

JUnit

Jest

Spring Test

PostgreSQL

Vertica

Ansible

Terraform

JMeter

AWS

GCP

Azure

Prometheus

Grafana

ELK

Job description

EPAM Systems in Poland is seeking a Junior Java Software Engineer to join a large-scale security platform serving millions of users. You will work across backend, frontend, and infrastructure under a mentorship culture with pair programming and thorough code reviews.

You will implement features in Java Spring Boot, build React components, write tests with JUnit and Jest, and contribute to CI/CD and IaC with Ansible and Terraform.