Chloe Fraser

Senior Engineering Manager, Onyx AI - Next.js · accessibility · web performance

Onyx AI

London, UK · GMT (UTC+0)

11+ years experience

Saïd Business School

English

Messaging unavailable

Overview

I lead web frontends at Onyx AI in London. Reduced cloud spend on web by 29% in two quarters.

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Skills

web performanceaccessibilityGraphQLNext.jsTypeScriptReact

HiringHiring for a role

closes in 3 months

Role: Senior security engineer
Level: Senior
Type: Contract
Work mode: Remote within country
Compensation: $152k-$204k
Team: Web, 8 people
Start: Within two months
Must have: Production experience with GraphQL Production experience with web performance Ownership of something end to end
Process: Intro call, technical deep dive, team chat

Comp £91k-£159k. Four conversations, no take-home. Message me with one thing you shipped that you're proud of.

London, UKweb performancenext.jstypescript

Senior Engineering Manager
Aug 2025 - Present
Onyx AI · 1 yr 2 mo · Full-time · London, UK
- Shipped a rewrite that took build times from 20 minutes to under 6.
- Mentored 14 engineers through their first promotion.
Staff Frontend Engineer
Mar 2023 - Jul 2025
Goldman Sachs · 2 yr 4 mo · Full-time · London, UK
- Reduced cloud spend on web by 30% in two quarters.
Frontend Engineer
May 2020 - Mar 2023
BT Group · 2 yr 10 mo · Full-time · London, UK
- Reduced cloud spend on web by 42% in two quarters.
Frontend Engineer
Nov 2018 - May 2020
Indeed · 1 yr 6 mo · Full-time · London, UK
- Shipped 18 launches on the web team without a rollback.
- Cut the main bundle by 48% and got LCP under 2.4 seconds.
Frontend Engineer
Dec 2015 - Nov 2018
Just Eat Takeaway · 2 yr 11 mo · Full-time · London, UK
- Shipped a rewrite that took build times from 39 minutes to under 5.

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