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Backend Developer

Airezolve — Poland · Posted ~4 hours ago

Senior

Skills

Java Kotlin Spring Boot Domain-Driven Design REST APIs gRPC event-driven architecture Apache Kafka RabbitMQ PostgreSQL database design Docker Kubernetes cloud-native development CI/CD Git OAuth2 SAML Spring Security REST Azure AWS GCP

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Summary ✨ AI‑Generated

Join a technically demanding backend engineering team building scalable enterprise microservices. You will design APIs, apply domain-driven design, develop event-driven services, optimize relational databases, and support cloud-native deployments. Strong experience with Java or Kotlin, Spring Boot, containers, orchestration, CI/CD, and application security is expected.

Highlights

Opportunity to build enterprise-grade backend services using modern microservices, event-driven architecture, cloud-native technologies, and strong security practices. The role offers broad technical ownership across architecture, APIs, databases, infrastructure, and delivery automation.

Description

• Extensive experience in backend engineering using Java and/or Kotlin alongside Spring Boot for building enterprise microservices architectures • Practical mastery of Domain-Driven Design (DDD) principles and modern architectural design patterns • Proven expertise developing and integrating RESTful and gRPC APIs • Hands-on experience implementing event-driven architectures utilizing messaging systems such as Apache Kafka or RabbitMQ • Solid database design, data modeling, and query optimization skills using PostgreSQL or other relational database technologies • Experience containerizing applications with Docker and supporting deployments, scaling, and orchestration via Kubernetes • Practical experience developing and deploying cloud-native applications, with a strong preference for Microsoft Azure (or AWS / GCP) • Hands-on capability with CI/CD automation pipelines, Git version control, and application security frameworks (OAuth2, SAML, Spring Security) • Strong ownership mindset with professional English fluency for stakeholder communication, code reviews, and cross-functional technical collaboration • Secondary / Nice-to-Have Skills: Relevant certifications in Azure/AWS/GCP, familiarity with reactive programming paradigms, and exposure to service mesh technologies