Senior Java Developer

About Us: Building the Future of Data

Join our dynamic team at a globally recognized technology innovator. We are a leading international company that specializes in the development of high-performance platforms for data processing and analytics. Our core product empowers businesses to manage vast datasets, build sophisticated models, and extract actionable insights.

We primarily serve clients in the marketing and advertising sectors, focusing on modern technologies, microservices architecture, and cloud-based solutions. As a member of our Competence Center, you’ll be part of a collaborative environment where your expertise is valued, and your contributions directly impact the future of our industry. We are committed to fostering a culture of excellence, where your career can thrive and your voice is heard.

Backend Engineer – Design, Develop, and Innovate

Are you a passionate and experienced Java Backend Engineer ready to architect robust, scalable, and secure services? We’re searching for a talented individual to join our team and play a key role in designing, developing, and maintaining our high-performance backend systems.

In this role, you will be responsible for implementing microservices-based solutions, ensuring seamless inter-service communication, service discovery, and robust API gateway integration. You’ll apply your knowledge of software design patterns and architectural principles to craft maintainable codebases and contribute to the ongoing improvement of our development practices and processes.

You’ll also work with relational databases, crafting optimized SQL queries and managing data access layers using JPA/Hibernate. Collaboration is key, and you’ll be utilizing Git-based workflows within a CI/CD environment.

What You’ll Do:

• Design, develop, and maintain high-performance, secure, and scalable backend services.
• Implement microservices-based solutions with robust inter-service communication and API gateway integration.
• Apply software design patterns and architectural principles to deliver maintainable codebases.
• Develop and maintain RESTful APIs with versioning, documentation (OpenAPI/Swagger), and security best practices.
• Work with relational databases, write optimized SQL queries, and manage data access layers using JPA/Hibernate.
• Write and maintain comprehensive unit, component, and integration tests.
• Collaborate using Git-based workflows in a CI/CD environment.
• Contribute to the improvement of development practices, tools, and processes.

What You’ll Bring: (Qualifications)

• 5+ years of experience in Java and a deep understanding of concurrency, data structures, and algorithms.
• Solid grasp of OOP principles (Encapsulation, Inheritance, Polymorphism, and Abstraction).
• Proven expertise in microservices architecture.
• Strong conceptual and practical application of design patterns (GoF, MVC, and layered architecture).
• Hands-on experience with Spring Boot, Spring MVC, Spring Data JPA, Spring Security, and Spring Cloud.
• Proficiency in relational databases (PostgreSQL, MySQL, and Oracle) and SQL optimization.
• Skilled in testing with JUnit, Mockito, and RestAssured.
• Proficient in Git for version control.
• Experience in setting up CI/CD pipelines (Jenkins, GitLab CI, and GitHub Actions).
• At least an Upper-Intermediate level of English.

Bonus Points: (Nice to Have)

• Exposure to NoSQL databases (MongoDB, Cassandra, and Redis).
• Knowledge of AWS cloud services (EC2, S3, RDS, Lambda, SQS, SNS, and API Gateway) and cloud-native architecture.
• Basic understanding of UI concepts and familiarity with ReactJS for Front-end and Backend integration.

Ready to Make an Impact?

If you are a motivated and skilled Backend Engineer seeking a challenging and rewarding opportunity, we encourage you to apply! Join our team and contribute to the future of data-driven innovation.