Back-end Developer
14-08-2026
4.100 - 5.800
Medior
Utrecht
Als Back-end Developer bij a.s.r. ontwerp, ontwikkel, test en implementeer je digitale services en koppelingen voor websites en klantomgevingen, maak je technische keuzes, verbeter je het platform (incl. cloudtransitie) en ondersteun je CI/CD en 24/7 incidentafhandeling.
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Automatisch verbeterd voor betere leesbaarheid
Back-end Developer
Role purpose: Design, build, and maintain scalable server-side applications and APIs that support reliable product functionality, performance, and security. Core responsibilities - Develop and maintain back-end services, RESTful APIs, and integrations with internal and external systems. - Design and optimize data models, queries, and storage solutions to ensure performance and reliability. - Implement authentication, authorization, and secure data handling practices. - Collaborate with front-end, product, and QA teams to deliver features end-to-end. - Write clean, testable code; create unit/integration tests and support CI/CD pipelines. - Monitor, debug, and resolve production issues; improve observability through logging and metrics. - Contribute to architecture decisions, code reviews, and documentation. Required skills - Proficiency in one or more back-end languages and frameworks (e.g., Node.js, Java, Python, .NET, Go). - Strong knowledge of API design, HTTP, and service-to-service communication. - Experience with SQL and/or NoSQL databases, indexing, and query optimization. - Familiarity with cloud platforms, containerization, and deployment workflows. - Understanding of security best practices, data privacy, and secure coding. - Ability to troubleshoot complex systems and communicate technical decisions clearly.
Werken aan websites en klantomgevingen, technische keuzes maken én samen met je team bouwen aan toekomstbestendige oplossingen? Dat is zomaar een greep uit jouw veelzijdige werk...