Senior Java Engineer

EPAM Systems; Kraków; Hybrid; PLN 200,000 - 260,000; Full time

Benefits offered by this job

Hybrid by design mode

Remote work within Poland

Work abroad up to 60 days annually

Relocation opportunities

Career development programs

Certification (Anthropic, Gemini, GCP,

Azure, AWS

English classes

Employee Stock Purchase Plan with 15% 

Health insurance

Multisport

Shopping vouchers

Office entertainment zones

Job summary

EPAM Systems is seeking a Senior Java Engineer in Kraków to design scalable backend systems with Spring Boot and microservices. You will build real-time streaming platforms using Kafka and in-memory stores like Redis, while ensuring robust security with Azure AD and OAuth.

The role involves Docker/Kubernetes on Azure and collaboration across global teams. You will apply AI-assisted development practices and contribute to architecture decisions to guarantee resilience and maintainability in

Qualifications

• 5+ years of experience in Java development with Spring Boot.
• Proficiency with ORM frameworks such as JPA and iBatis.
• Security experience with Azure AD and OAuth.
• Experience with Kafka, CosmosDB, PostgreSQL and Redis for data streaming and storage.
• Familiarity with REST, Azure, Docker, Kubernetes, Maven and Gradle.
• Understanding of microservices and data streaming architectures.
• Strong CS fundamentals and modern SDLC practices.
• Excellent communication to translate business needs into global solutions.

Responsibilities

• Design and develop scalable Java-based backend solutions using Spring Boot and microservices.
• Build real-time streaming and time-series data platforms with high throughput.
• Architect using Kafka, CosmosDB, PostgreSQL and Redis for distributed data processing.
• Implement security using Azure AD and OAuth across enterprise apps.
• Deploy and manage containerized apps with Docker and Kubernetes on Azure.
• Collaborate with cross-functional teams to translate requirements into global solutions.
• Apply AI-assisted development practices to accelerate delivery and improve quality.
• Contribute to solution architecture decisions for resilience and scalability.
• Participate in full SDLC and manage dependencies with Maven/Gradle.

Skills

Java

Spring Boot

Kafka

Azure AD

OAuth

REST

Docker

Kubernetes

CosmosDB

PostgreSQL

Redis

Maven

Gradle

JPA

iBatis

Tools

Maven

Gradle

Docker

Kubernetes

Spring Boot

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

We offer

• We gather like-minded people:
  • Top tech minds driving innovation in AI, cloud and digital platform modernization
  • Supportive team and agile, startup-like culture
  • Hybrid by design mode and opportunity to work remotely within Poland
  • Chance to work abroad for up to 60 days annually
  • Business-driven relocation opportunities
• We provide growth opportunities:
  • Career development programs
  • Thought leadership, mentoring, soft skills and well-being programs
  • Certification (Anthropic, Gemini, GCP, Azure, AWS)
  • English classes
• We cover it all:
  • Stable pay
  • Participation in the Employee Stock Purchase Plan with a 15% discount
  • Benefits package (health insurance, multisport, shopping vouchers)
  • Referral bonuses up to $2,000
  • Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and more
  • Corporate, social and well-being events
• Please, note:
  • Benefits listed above are available to employees only
  • We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually
  • We will reach out to selected candidates exclusively

EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.