Jack Roberts

CTO at Mill Energy · Developer tools

Mill Energy

Manchester, UK · GMT (UTC+0)

13+ years experience

University College Dublin

English

Hiring

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Overview

I lead developer tools at Mill Energy in Manchester. Moved 64% of developer experience traffic off a legacy monolith without a customer-facing incident. Led the migration of 56 services to compilers. Before that: KPMG and Unilever. Travel slowly, usually by train.

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Checks messages twice a week

Skills

TypeScriptRustCLI designVS Code extensionsLSPcompilers

HiringHiring for a role

closes in 3 months

Hiring a founding data engineer for the developer experience team - Manchester

Role: Founding data engineer
Level: Senior
Type: Full-time
Work mode: On-site
Compensation: $157k-$192k + equity
Team: Developer experience, 11 people
Start: Within a month
Must have: Strong SQL and statistics Turns analysis into decisions Good judgment about what not to build
Process: Decision within 10 days

Comp £86k-£143k. Four conversations, no take-home. Message me with one thing you shipped that you're proud of.

Manchester, UKcli designlsprust

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Experience

CTO
Jun 2023 - Present
Mill Energy · 3 yr 4 mo · Full-time · Manchester, UK
- Moved 71% of developer experience traffic off a legacy monolith without a customer-facing incident.
- Reduced cloud spend on developer experience by 41% in two quarters.
- Brought on-call pages for developer experience down from 35 a week to 1.
Engineering Manager
Feb 2020 - Apr 2023
KPMG · 3 yr 2 mo · Full-time · Manchester, UK
- Cut p99 latency on the developer experience services from 443ms to 82ms.
- Wrote the compilers service that now handles 32 million requests a day.
Software Engineer
Jan 2016 - Oct 2019
Unilever · 3 yr 9 mo · Full-time · Manchester, UK
- Moved 85% of developer experience traffic off a legacy monolith without a customer-facing incident.
- Shipped 15 launches on the developer experience team without a rollback.
Software Engineer
May 2013 - Jan 2016
McKinsey & Company · 2 yr 8 mo · Full-time · Manchester, UK
- Shipped 18 launches on the developer experience team without a rollback.
- Reduced cloud spend on developer experience by 35% in two quarters.

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Education

University College Dublin
BSc, Information Technology
2008 - 2011

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