Senior Java Backend Developer

EPAM Systems; Poland; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Hybrid work by design

Remote within Poland

Relocation opportunities

Health insurance

Multisport

Employee stock purchase plan

Referral bonuses up to $2,000

Entertainment and relaxation zones

Job summary

EPAM Systems is seeking a Senior Java Backend Developer to design, develop, and optimize scalable backend services. You will build RESTful APIs and microservices, work with databases like PostgreSQL/MySQL, and collaborate across cross-functional teams in an Agile setting.

The role requires 5+ years of experience, strong Java/Spring Boot skills, and the ability to work the 3:00 PM–11:00 PM Polish time shift to sync with North American teammates.

Qualifications

• 5+ years of professional software development experience.
• Strong experience with Java and Spring Boot.
• Solid understanding of REST API design and microservices architecture.
• Experience with relational databases such as PostgreSQL, MySQL, or SQL Server.
• Experience with JPA/Hibernate or similar persistence frameworks.
• Knowledge of modern software engineering principles, design patterns, and clean code practices.
• Experience with Git and collaborative development workflows.
• Familiarity with unit and integration testing frameworks.
• Strong analytical, problem-solving, and communication skills.
• Ability to work effectively in an Agile/Scrum environment.
• Availability to work shifted hours (3:00 PM – 11:00 PM Polish time) to align with the North American-based team.
• English proficiency at B2 level or higher.

Responsibilities

• Design, develop, and maintain scalable backend services using Java and Spring Boot.
• Build and enhance RESTful APIs for mobile and web applications.
• Develop secure, reliable, and high-performance microservices.
• Design and optimize database models and data access layers.
• Integrate with third-party platforms and external APIs.
• Collaborate with mobile developers, frontend engineers, product managers, QA engineers, and architects.
• Participate in system design, code reviews, and architectural decisions.
• Troubleshoot production issues and improve performance and scalability.
• Write clean, well-tested code following engineering best practices.
• Contribute to CI/CD and AI-assisted software development practices.

Skills

Java

Spring Boot

REST API

Microservices

Relational DBs

JPA/Hibernate

Git

Testing

Agile/Scrum

English B2

Shift hours 3pm-11pm

Tools

Docker

Kubernetes

AWS/GCP

Kafka/RabbitMQ

OAuth2/SSO/JWT

Job description

EPAM is seeking a skilled Senior Java Backend Developer who is passionate about building scalable, high-performance backend services and enjoys working on products used daily by thousands of professionals. You will join a collaborative, agile team developing and enhancing a flagship mobile platform and supporting backend services for a leading global property data and analytics company operating in the real estate technology (PropTech) domain. The client delivers data-driven solutions that power the real estate industry across North America, providing critical tools and insights to agents, brokers, and MLS organisations.

Responsibilities

• Design, develop, and maintain scalable backend services using Java and Spring Boot
• Build and enhance RESTful APIs supporting mobile and web applications
• Develop secure, reliable, and high-performance microservices
• Design and optimize database models and data access layers
• Integrate with third-party platforms and external APIs
• Collaborate with mobile developers, frontend engineers, product managers, QA engineers, and architects to deliver high-quality solutions
• Participate in system design, code reviews, technical discussions, and architectural decisions
• Troubleshoot production issues and improve application performance, scalability, and reliability
• Write clean, maintainable, and well-tested code following engineering best practices
• Contribute to continuous improvement initiatives, including CI/CD, automation, and AI-assisted software development practices

Requirements

• 5+ years of professional software development experience
• Strong experience with Java and Spring Boot
• Solid understanding of REST API design and microservices architecture
• Experience with relational databases such as PostgreSQL, MySQL, or SQL Server
• Experience with JPA/Hibernate or similar persistence frameworks
• Knowledge of modern software engineering principles, design patterns, and clean code practices
• Experience with Git and collaborative development workflows
• Familiarity with unit and integration testing frameworks
• Strong analytical, problem-solving, and communication skills
• Ability to work effectively in an Agile/Scrum environment
• Availability to work shifted hours (3:00 PM – 11:00 PM Polish time) to align with the North American-based team
• English proficiency at B2 level or higher

Nice to have

• Experience with cloud platforms (AWS or GCP)
• Experience with Docker and Kubernetes
• Knowledge of messaging technologies such as Kafka or RabbitMQ
• Experience with OAuth2, SSO, JWT, or other authentication mechanisms
• Familiarity with AI-assisted development tools such as GitHub Copilot or Gemini
• Experience working with high-traffic, customer-facing SaaS or mobile backend platforms
• Experience integrating with third-party APIs and enterprise systems
• Background or interest in the real estate / PropTech domain

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.