Siobhan Nolan

S

Software Engineer, Wise - WebSockets · Erlang/OTP · Elixir

Wise
Leeds, UK · GMT (UTC+0)
3+ years experience
University of Cambridge
English
Messaging unavailable

Overview

I've spent 3 years on real-time systems - first at Shell, now at Wise. Moved 63% of real-time traffic off a legacy monolith without a customer-facing incident. Led the migration of 75 services to Elixir. Most at home with low-latency systems and Coroutines. Cyclist - trying to do a century this year.

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Travels often; replies within 48 hours

Skills
CoroutinesWebSocketsRedisErlang/OTPElixirlow-latency systems

Experience

  1. Software Engineer
    Apr 2026 - Present
    Wise · 6 mo · Full-time · Leeds, UK
    • Moved 65% of real-time traffic off a legacy monolith without a customer-facing incident.
    • Reduced cloud spend on real-time by 28% in two quarters.
    • Wrote the low-latency systems service that now handles 32 million requests a day.
  2. Software Engineer
    Oct 2023 - Apr 2026
    Shell · 2 yr 6 mo · Full-time · Leeds, UK
    • Shipped 14 launches on the real-time team without a rollback.
    • Brought on-call pages for real-time down from 15 a week to 4.

References

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Education

  1. University of Cambridge
    BA, Computer Science
    2020 - 2023

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