Lead Java Backend Architect: Real-Time Cloud-Native

EPAM Systems; Kraków; Hybrid; PLN 220,000 - 260,000; Full time

Benefits offered by this job

Hybrid by design

Work abroad up to 60 days annually

Relocation opportunities

Health insurance

Job summary

EPAM Systems in Kraków seeks a Lead Java Backend Developer to design and implement scalable, enterprise-grade platforms with a focus on distributed systems and real-time data processing. You will build microservices and data streaming solutions, apply CQRS and Event Sourcing, and enforce security and SDLC best practices across backend systems, collaborating with cross-functional teams.

The role offers a hybrid work model with three days onsite and occasional international collaboration

Qualifications

• 7+ years of experience in Java and Spring Boot development.
• Expertise in ORM frameworks such as JPA and iBatis
• Knowledge of security protocols including Azure AD and OAuth
• Proficiency in Kafka, CosmosDB, PostgreSQL, and Redis
• Familiarity with REST, Azure, Docker, and Kubernetes
• Skills in build tools such as Maven and Gradle
• Background in microservices and data streaming architectures
• Understanding of Computer Science fundamentals and modern software development practices, including SDLC
• Showcase of AI-assisted software development capabilities
• Strong communication skills, including the ability to translate business requirements into global solutions and collaborate with other technology teams
• English proficiency at B2 level or higher

Responsibilities

• Design and architect scalable enterprise platforms leveraging distributed systems and cloud-native architectures
• Build and maintain real-time streaming and time-series data platforms with high performance and high throughput
• Develop microservices and data streaming solutions using modern Java frameworks
• Apply resilience engineering and security best practices across backend systems
• Translate business requirements into global technical solutions
• Collaborate with cross-functional technology teams to deliver integrated solutions
• Leverage AI-assisted tools to enhance software development efficiency
• Implement CQRS and Event Sourcing patterns within enterprise architecture
• Ensure adherence to SDLC best practices and modern software development standards
• Adapt architectural and engineering approaches to complex business and regulatory domains

Skills

Java

Spring Boot

Distributed systems

Real-time data

Kafka

CosmosDB

PostgreSQL

Redis

REST APIs

Docker

Kubernetes

Maven / Gradle

OAuth / Azure AD

Azure

JPA

Ibatis

English (B2+)

Microservices

Event Sourcing

CQRS

Job description

EPAM Systems in Kraków seeks a Lead Java Backend Developer to design and implement scalable, enterprise-grade platforms with a focus on distributed systems and real-time data processing. You will build microservices and data streaming solutions, apply CQRS and Event Sourcing, and enforce security and SDLC best practices across backend systems, collaborating with cross-functional teams.

The role offers a hybrid work model with three days onsite and occasional international collaboration