About Harmonic At Harmonic, we are building a mathematical reasoning engine that operates with absolute precision. While most AI makes maximum-likelihood guesses, Harmonics Aristotle uses Lean 4 and reinforcement learning to verify its reasoning and results. Following our Gold
About Harmonic At Harmonic, we are building a mathematical reasoning engine that operates with absolute precision. While most AI makes maximum-likelihood guesses, Harmonics Aristotle uses Lean4 and reinforcement learning to verify its reasoning and results. Following our Gold Medal-level
WERE HIRING: Talent Acquisition Manager | Harmonic | Certified B Corp | Shoreditch, London (Hybrid) About Harmonic Harmonic is a specialist search firm for the start-up and scale-up world, focused on expertly growing Finance & Operations teams. We place
Investment Analyst | Film & TV | London Our client is a fast-growing studio focused on creating, financing, and distributing high-end films and TV series, with a track record spanning hundreds of titles alongside some of
Recruitment Consultant (Technology Sector) | Shoreditch, London | B Corp Certified Harmonic are hiring high-achieving graduates throughout 2026 to help us expand into new and exciting markets across the UK start-up and scale-up ecosystem. We are looking
Head of Compliance & MLRO | AI-native Fintech Start-Up | London (5 days on-site) Were partnering with an AI-native fintech backed by some of Europes most celebrated technology investors, with a founding team thats built multi-billion
Operations Manager | High-Growth Food & Drink Brand | London The Client Were partnering with an exciting, high-growth food & drink brand thats continuing to build momentum across both retail and direct-to-consumer channels. With ambitious growth
Junior Accountant | High Growth Fintech | London/Hybrid The Client Harmonic are excited to be working with a fast-growing, FCA-regulated fintech in the consumer credit space that has more than doubled its revenue over the past year
Head of Design | Premium Interiors Brand | London The Client Were partnering with a premium, design-led interiors brand with a strong reputation for creating beautifully considered furniture for modern workplaces. Combining thoughtful design with British
Head of Growth | eCom Challenger Brand | London / Hybrid The Client Our client is a fast-scaling premium challenger brand with strong early product-market fit and clear evidence of repeat, habit-led purchasing. Built around high-quality
Harmonic Operations | Certified B Corp is seeking a Head of Growth to lead their growth initiatives in London. This senior role focuses on optimizing customer acquisition and lifetime value through data-driven strategies across various marketing channels.
Harmonic Executive in London is seeking a Chief Financial Officer to partner with the CEO and steer financial strategy for a fast-growing Transport & Logistics SaaS business. The role combines strategic leadership with hands-on modelling, fundraising and
Harmonic Finance is partnering with a growing FinTech in London for an Interim Head of Finance. The role is hands-on, steering day-to-day finance, financial control, reporting and planning during a leadership transition and ensuring robust client money
Logistics Executive | Fast-Growth Beverage Brand | London Were partnered with a fast-growth beverage brand thats making its mark in one of the UKs most exciting FMCG categories. Having built strong momentum across both retail and
Interim Head of Finance | FCA-Regulated FinTech | London / Hybrid The Client Harmonic is delighted to be partnering with a growing FinTech scale-up in the financial services space. Backed by an experienced leadership team and now
Interim Finance Business Partner - Opex / Budgeting 3 Month Contract London (Hybrid) We are supporting a high growth, international Tech business in the search for an Interim Finance Business Partner to provide additional support during
Head of New Faces | Boutique Talent & Influencer Management Agency | Central London/Hybrid The Client Harmonic is delighted to be partnering with a boutique talent and influencer management agency representing creators, models, and wider talent across
Recruitment Consultant (Technology Sector) | Shoreditch, London | B Corp Certified Harmonic are hiring high-achieving graduates throughout 2026 to help us expand into new and exciting markets across the UK start-up and scale-up ecosystem. We are looking
Customer Experience Lead | Fast Growth Sports Foundation | London The Client Harmonic is excited to be working once again exclusively with a fast-growth sports foundation who are looking for a Customer Experience Lead to join its
Head of New Faces | Boutique Talent & Influencer Management Agency | Central London/Hybrid The Client Harmonic is delighted to be partnering with a boutique talent and influencer management agency representing creators, models, and wider talent across