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Senior Backend Engineer - Qualifyze GmbH

Backend Engineer

Senior Backend Engineer at Qualifyze GmbH, responsible for building scalable, secure backend services in the Life Sciences supply chain domain using Java, Spring Boot, and AWS. Focus on data analytics, audit workflows, and microservices architecture to support global compliance solutions.

About the role

Senior Backend Engineer at Qualifyze GmbH.

Key technologies: Software Development, System Design, Problem Solving.

Key Responsibilities

Build and maintain RESTful APIs and backend services
Design database schemas and optimize queries for performance
Implement authentication, caching and scalability solutions
Collaborate with frontend engineers to define API contracts

Requirements

5+ years of relevant experience in backend engineer
Proficiency in SQL and/or NoSQL databases
Familiarity with microservices and containerization

Skills

javasqlawsdocker

CompanyQualifyze GmbH

DepartmentEngineering

LocationBarcelona, Spain

Experience5+ years

Tenurefull-time

LevelSenior

Posted June 19, 2026