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Senior Backend Developer

Cobrick — Poland · Posted ~2 hours ago

Senior Contract Remote

Skills

backend engineering microservices reactive programming Kotlin Java Spring Boot PostgreSQL MongoDB API integration security Vert.x Java 17+ WebFlux Virtuoso Triple Store OpenSearch AS4

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Summary ✨ AI‑Generated

Take a senior role building resilient, high-throughput backend services for complex data systems. Design reactive microservices, work across relational, document, and graph databases, implement API-driven integrations, and strengthen security through continuous automation.

Highlights

Long-term remote senior backend engagement with substantial architectural ownership, reactive microservices, multiple database technologies, API integrations, and automated security practices in healthcare data systems.

Description

co.brick talents — powered by AI, powered by people. 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 2027 Work 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, OpenSearchContainerization: Docker, KubernetesSecurity Testing: SAST, DAST, Fortify, SonarQube, Sonatype, Dependency-Track, Maven