Backend Developer HSBCJP00057536 at Antal Sp. z o.o. | Jobyssey

Backend Engineer (Hybrid – 2 days/week in the office)

We are looking for an experienced Backend Engineer to join a high-performing engineering team. In this role, you will be responsible for building scalable, high-quality backend systems and contributing to modern architecture initiatives.

Responsibilities

Design and develop highly scalable, performant, and fault-tolerant applications
Contribute to the evolution of Microservices and Event-Driven Architecture
Collaborate with Solution Architects and Tech Leads to translate technical designs into production-ready solutions
Design systems with a strong focus on security, infrastructure, and data governance standards
Contribute to system and API design, ensuring modularity and maintainability
Ensure coding standards and promote best practices in development, testing, and documentation
Mentor junior engineers, conduct code reviews, and provide technical leadership
Ensure compliance with relevant controls, standards, and service management practices
Deliver high-quality solutions on time, aligned with business expectations
Support team engagement, ownership, and a sustainable, high-quality delivery pace

Requirements

Strong experience with Java 8+, Spring Framework, Spring Boot, Spring Cloud
Hands-on experience with Kubernetes, Docker, databases, and public cloud platforms
Deep understanding of Microservices Architecture and Event-Driven Architecture
Strong knowledge of design patterns and principles (focus on scalability and maintainability)
Expertise in designing and developing APIs (REST, GraphQL)
Experience with both SQL and NoSQL databases (e.g. Oracle, PostgreSQL, MySQL, MongoDB, Cassandra)
Experience with messaging/middleware technologies (e.g. Kafka, IBM MQ, RabbitMQ)
Understanding of security mechanisms (JWT, OAuth, TLS, authentication & authorization)
Experience with DevOps tools and CI/CD pipelines (e.g. Jenkins, GitLab, Kubernetes, Docker)
Proven experience in technical leadership and working with cross-functional teams
Ability to deliver end-to-end business applications with high quality and low maintenance overhead
Basic understanding of frontend-backend integration

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Responsibilities

Requirements