Senior Backend Developer

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Gliwice

Warszawa

Expires Sep 21, 2026

2 days ago

In short

Senior Backend Developer (6+ years exp) sought for long-term remote role building high-throughput backend services for a medical database platform. Responsibilities include designing reactive microservices with Vert.x, Kotlin, Java, Spring Boot, and managing multi-database environments (PostgreSQL, MongoDB, Virtuoso, OpenSearch).

Keywords

Vert.x Kotlin Java Spring Boot Microservices PostgreSQL MongoDB Docker Kubernetes SAST

AI-written summary based on the listing content.

We are seeking a Senior Backend Developer to build and maintain high-throughput backend services for a major medical database platform.

You will design resilient, microservices-based architectures utilizing reactive programming patterns, multi-database environments (relational, document, and graph/triplestore), and automated security controls.

Details

Role: Senior Backend Developer

Seniority: Senior (6+ years of core backend engineering experience)

Project Duration: Long-term engagement

Target Start Date: January 2027Work Model: Remote
Industry: Healthcare / Medical Data Systems
Responsibilities
Design and implement reactive microservices using Vert.x, Kotlin, Java (17+), and Spring Boot (WebFlux).

Work across hybrid persistence models including PostgreSQL, MongoDB, Virtuoso Triple Store, and OpenSearch.

Implement API-driven integrations, AS4 protocols, and maintain automated security scanning within continuous integration workflows.

Requirements

Core Development: Vert.x, Kotlin, Java (>17), Spring Boot (WebFlux), Hibernate, Microservices Architecture, API-driven development, AS4Databases: PostgreSQL, MongoDB, Virtuoso Triple Store, Open
Search
Containerization: Docker, Kubernetes
Security Testing: SAST, DAST, Fortify, SonarQube, Sonatype, Dependency-Track, Maven