Senior Java Backend Developer

EPAM Systems; Poland; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Hybrid work within Poland

Work abroad up to 60 days annually

Relocation opportunities

Growth programs & certifications

Health insurance & multisport benefits

Referral bonuses

Job summary

EPAM Systems is seeking a Senior Java Backend Developer to build scalable, high-performance backend services for a PropTech platform used by thousands of professionals. You will join an agile team, design APIs, implement microservices, and collaborate across product, QA, and architects to deliver reliable software.

The role emphasizes secure, scalable backend architecture, CI/CD, and ongoing improvement, with a shift window to align with North American teams.

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 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 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

Skills

Java

Spring Boot

REST API

Microservices

PostgreSQL/MySQL/SQL Server

JPA/Hibernate

Git

Unit/Integration Testing

Agile/Scrum

English (B2+)

Shift hours (EU/NA overlap)

Tools

Docker

Kubernetes

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.