Senior Java Backend Developer

EPAM Systems; Deutschland; Remote; EUR 90.000 - 130.000; Vollzeit

Zusammenfassung

EPAM Systems seeks a Senior Java Backend Developer to design, build, and optimize scalable backend services for a flagship PropTech platform used by real estate professionals across North America.

You will join an agile team, develop secure microservices, design robust data models, and collaborate across engineering, product, QA, and architects to deliver high-quality solutions with CI/CD and automation.

Qualifikationen

• 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 (PostgreSQL, MySQL, or SQL Server).
• Experience with JPA/Hibernate or similar persistence frameworks.
• Proficient with Git and collaboration workflows.
• Familiarity with unit and integration testing frameworks.
• Excellent analytical, problem-solving, and communication skills.
• Able to work in an Agile/Scrum environment.
• Willingness to work shifted hours (3:00 PM – 11:00 PM Polish time) to align with NA team.
• English proficiency at B2 level or higher.
• Nice to have: cloud platforms (AWS or GCP), Docker, Kubernetes, Kafka/RabbitMQ, OAuth2/JWT, AI-assisted tools.

Aufgaben

• Design, develop, and maintain scalable backend services using Java and Spring Boot.
• Build and enhance RESTful APIs supporting mobile and web apps.
• Develop secure, reliable microservices with high performance.
• 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, and architects.
• Participate in system design, code reviews, and architectural decisions.
• Troubleshoot production issues and improve performance and reliability.
• Write clean, well-tested code following engineering best practices.
• Contribute to CI/CD, automation, and AI-assisted development initiatives.

Kenntnisse

Java

Spring Boot

REST APIs

Microservices

SQL Databases

JPA/Hibernate

Git

Testing

Agile/Scrum

Cloud (AWS/GCP)

Docker/Kubernetes

OAuth2/JWT

AI-assisted tools

Tools

Docker

Kubernetes

Kafka / RabbitMQ

GitHub Copilot / Gemini

Jobbeschreibung

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