Harry, Co-founder of OpenSource

Co-founder · Recruitment

Harry

Harry has spent a decade scaling teams for VC-backed startups and scale-ups across the UK, Europe and the US. He leads how OpenSource partners with clients — embedding with teams, understanding what great looks like, and moving fast enough to land the people everyone else is chasing.

Areas of expertise

Technology recruitmentScaling engineering teamsStartup and scale-up hiringEmbedded recruitment (RPO)Retained and executive search

Written by Harry

The State of London Tech Hiring

London tech hiring has split in two: aggregate vacancies are down, while AI, platform and fintech roles are as competitive as ever. What that means.

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How to Hire Engineers in a New City

Opening a second engineering location: choosing the city, the anchor hire that decides everything, and why most second offices fail structurally.

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How to Scale an Engineering Team from 10 to 50

The stage that breaks most companies: what changes between 10 and 50 engineers, the hiring rate your team can absorb, and how to keep the bar high.

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Tech Contractor Day Rates in the UK (2026)

UK tech contractor day rates for 2026: roughly £400-£1,200/day by seniority, plus how IR35 status and umbrella vs limited company change your take-home.

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How to Negotiate a Tech Job Offer in the UK

How to negotiate a tech job offer in the UK in 2026: total comp, equity, the ask itself and the counter-offer trap, from a recruiter who runs them.

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In-House Recruiter vs Agency vs Embedded: Which Should You Use?

A practical guide to choosing between an in-house recruiter, a recruitment agency and embedded/RPO for hiring engineers, with the real trade-offs.

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How to Build an Engineering Hiring Process That Wins Offers

A practical playbook for an engineering hiring process that lands your first-choice candidates, short loops, structured assessment, selling and speed.

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How to Reduce Time-to-Hire for Engineering Roles

Practical ways startups and scale-ups cut weeks off engineering hiring, tighter loops, real technical screening and decision discipline, from OpenSource.

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How to Hire Your First Engineers

A founder's guide to making your first technical hires, when to start, what to look for, and how to run a process that lands strong engineers.

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Ready to build your team?

Tell us what you’re hiring for and we’ll come back with a plan, and usually a technically screened shortlist faster than you’d expect.