Sebastien Williams-wynn
Senior Software Engineer at Typeform
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolSebastien Williams-wynn is a Senior Software Engineer based in London with over nine years of experience building backend systems, search, and data platforms across fast-moving fintech and betting startups. He has driven performance and localisation efforts, led betbuilder and in-play visuals at Midnite, and deployed real-time transaction monitoring and ML-backed services at Revolut. Comfortable moving between hands-on engineering and technical leadership, he’s mentored hires, run interviews, and led teams through Kubernetes, Helm and Terraform-based deployments. His background in economics and early work automating pricing and ETL informs a pragmatic, data-driven approach to product problems. Notably, he has repeatedly delivered multi-language and high-throughput systems that enabled market expansion and faster content ingestion.
9 years of coding experience
7 years of employment as a software developer
Master of Arts (Honours) Economics and Finance, Master of Arts (Honours) Economics and Finance at The University of EdinburghIEB Matric Higher Mathematics Additional Mathematics “with Distinction” Mathematics “with Distinction” Engli, IEB Matric Higher Mathematics Additional Mathematics “with Distinction” Mathematics “with Distinction” Engli at St Andrew's College, Grahamstown
Stackoverflow
2,949reputation
258kreached
92answers
3questions
python
top-5%
Github Skills (200)
programming-language10
json-data10
python10
circleci10
spotify-api10
google-cloud10
spotify10
dataframes10
pandas10
dataclasses10
api10
golang10
exasol10
composite10
idioms10
Programming languages (11)
Github contributions (5)
foxyblue/Rogue_simple
Jul 2017 - Sep 2017
Contributions:52 PRs, 76 pushes, 56 branches in 2 months
gameroguelike
s3bw/s3bw
Jul 2020 - Mar 2025
Contributions:1 PR, 11 pushes, 3 branches in 4 years 8 months
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