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Backend Developer @ Antal

Kraków, małopolskie💼 Full-time🗓 2026-04-29 → 2026-08-10

Core

Designing and developing scalable, high-quality backend systems and modern architecture initiatives for business applications.

Role type

Senior IC backend engineer (Java/Spring/Microservices)

Builds

Scalable, fault-tolerant backend applications and APIs

Domain

Enterprise software development, cloud-native infrastructure

Deliverable

production ML models | product features

Required skills

Java 8+, Spring Framework, Spring Boot, Spring Cloud, Kubernetes, Docker, Microservices Architecture, Event-Driven Architecture, REST API design, GraphQL, SQL, NoSQL, Kafka, IBM MQ, RabbitMQ, JWT, OAuth, TLS, CI/CD pipelines, Technical leadership

Preferred skills

Cross-functional collaboration, mentoring junior engineers, system design, data governance

Technologies

Java, Spring, Kubernetes, Docker, Kafka, IBM MQ, RabbitMQ, Jenkins, GitLab, Oracle, PostgreSQL, MySQL, MongoDB, Cassandra

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; Mentor junior engineers, conduct code reviews, and provide technical leadership; Ensure compliance with relevant controls, standards, and service management practices

Seniority

Senior, hands-on IC with technical leadership

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