Senior Software Engineer - Offline
Hybrid · Rotterdam, South Holland, The Netherlands
Job Summary
Senior Software Engineer – Offline-first runtime and synchronization for Mendix applications. Design, develop, and maintain offline runtime components and synchronization layers across web and mobile, implement and optimize data synchronization with conflict detection/resolution, collaborate across client-side runtime, server-side synchronization and tooling, mentor teammates, participate in code reviews and QA, and stay current with offline-first web technologies to deliver robust offline-capable experiences.
Required Qualifications
- Expert-level proficiency in JavaScript/TypeScript with offline-first patterns and browser storage APIs (such as Origin Private File System or service workers)
- Proven experience designing or implementing data synchronization strategies, including conflict detection and resolution mechanisms
- Ability to work across multiple areas of a product—from client-side runtime to server-side synchronization to developer tooling—and connect those dots effectively
- Demonstrated commitment to quality and a sense of responsibility for the impact your work on developers and end users who depend on it
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