Senior Java Engineer

EPAM Systems, Inc.; Wrocław; On-site; PLN 260,000 - 380,000; Full time

Job summary

EPAM Systems, Inc. is seeking a Senior Java Engineer with expertise in distributed systems, real-time data processing, and cloud-native architectures to deliver scalable enterprise platforms in a high-throughput environment.

You will design and develop Java backends with Spring Boot, build real-time streaming data platforms, and collaborate with cross-functional teams to translate business needs into robust, secure solutions.

Qualifications

• 5+ years of experience in Java development with Spring Boot.
• Expertise in ORM frameworks such as JPA and iBatis.
• Proficiency in security frameworks including Azure AD and OAuth.
• Knowledge of Kafka, CosmosDB, PostgreSQL, and Redis for data streaming and storage architectures.
• Familiarity with REST, Azure, Docker, Kubernetes, Maven, and Gradle.
• Understanding of microservices and data streaming architectures.
• Background in Computer Science fundamentals and modern software development practices, including SDLC.
• Strong communication skills and ability to translate business requirements into global solutions.

Responsibilities

• Design and develop scalable Java-based backend solutions using Spring Boot and microservices architectures.
• Build and maintain real-time streaming and time-series data platforms with high performance and throughput.
• Architect solutions leveraging Kafka, CosmosDB, PostgreSQL, and Redis for distributed data processing.
• Implement security best practices using Azure AD and OAuth across enterprise applications.
• Deploy and manage containerized applications using Docker and Kubernetes on Azure.
• Translate business requirements into global technical solutions in collaboration with cross-functional technology teams.
• Apply AI-assisted software development practices to accelerate delivery and improve code quality.
• Contribute to solution architecture decisions, ensuring resilience, scalability, and maintainability.
• Participate in the full software development lifecycle, adhering to modern SDLC practices.
• Utilize build tools such as Maven and Gradle to manage project dependencies and builds.

Skills

Java

Spring Boot

Distributed systems

Real-time data

REST APIs

Azure AD/OAuth

JPA

iBatis

SDLC

Tools

Docker

Kubernetes

Kafka

CosmosDB

PostgreSQL

Redis

Maven

Gradle

Azure

Job description

We are seeking a Senior Java Engineer with exceptional expertise in distributed systems, real-time data processing, and cloud-native architectures to deliver highly scalable enterprise platforms in a high-throughput, mission-critical environment.

Responsibilities

• Design and develop scalable Java-based backend solutions using Spring Boot and microservices architectures
• Build and maintain real-time streaming and time-series data platforms with high performance and throughput
• Architect solutions leveraging Kafka, CosmosDB, PostgreSQL, and Redis for distributed data processing
• Implement security best practices using Azure AD and OAuth across enterprise applications
• Deploy and manage containerized applications using Docker and Kubernetes on Azure
• Translate business requirements into global technical solutions in collaboration with cross-functional technology teams
• Apply AI-assisted software development practices to accelerate delivery and improve code quality
• Contribute to solution architecture decisions, ensuring resilience, scalability, and maintainability
• Participate in the full software development lifecycle, adhering to modern SDLC practices
• Utilize build tools such as Maven and Gradle to manage project dependencies and builds

Requirements

• 5+ years of experience in Java development with Spring Boot
• Expertise in ORM frameworks such as JPA and iBatis
• Proficiency in security frameworks including Azure AD and OAuth
• Knowledge of Kafka, CosmosDB, PostgreSQL, and Redis for data streaming and storage architectures
• Familiarity with REST, Azure, Docker, Kubernetes, Maven, and Gradle
• Understanding of microservices and data streaming architectures
• Background in Computer Science fundamentals and modern software development practices, including SDLC
• Strong communication skills, including the ability to translate business requirements into global solutions and collaborate with other technology teams
• Showcase of delivering high-performance, high-throughput, real-time streaming and time-series data platforms

Nice to have

• Experience in the Client Lifecycle domain
• Familiarity with Flowable