Ffion Gibson
SSoftware Engineer at Wise · low-latency systems, Redis
- Wise
- Birmingham, UK · GMT (UTC+0)
- 1+ years experience
- Queen's University Belfast
- English
Messaging unavailable
Overview
I've spent 1 years on real-time systems, now at Wise. Reduced cloud spend on real-time by 21% in two quarters. Big believer in written communication.
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Travels often; replies within 48 hours
Skills
GoWebSocketsElixirlow-latency systemsRedis
Experience
- Software EngineerOct 2025 - PresentWise · 1 yr · Full-time · Birmingham, UK
- Cut p99 latency on the real-time services from 771ms to 172ms.
- Shipped a rewrite that took build times from 38 minutes to under 6.
- Wrote the Go service that now handles 3 million requests a day.
Projects
Side project: a budgeting app
2024Built with Elixir and WebSockets. 1529 people used it last year.
Real-time systems benchmark
2023Reproducible benchmarks comparing low-latency systems and Redis on real workloads.
References
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Education
- Queen's University BelfastBSc, Information Technology2022 - 2025
Details
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