Senior Software Engineer – Property-Based Testing (London)

Greater London, England, United Kingdom • Posted May 16, 2026

Job Type: Full-time
Location: Greater London, England
Posted: May 16, 2026
Category: other-general
Application Deadline: June 25, 2026

Role Description

Open Source Pledge is seeking a developer for its London team to build Hegel, a new family of property-based testing libraries. You will work on open-source initiatives requiring proficiency in property-based testing and familiarity with languages like Python and Rust. The role emphasizes collaboration and high engineering standards within a culture of mentoring and knowledge sharing, with a commitment to in-office work five days a week.
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