Recruiting Exceptional Software, AI and Data Talent for Scaling Companies.

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Areas of Expertise.

Differential is a specialist technology search firm supporting VC-backed start-ups and growing businesses across London, New York and San Francisco.

We recruit software engineers, AI engineers and data specialists who build products, infrastructure and production systems, particularly for pre-seed through to Series A companies where every hire matters.

Our mandates usually require candidates who:

  • Have strong academic backgrounds with a minimum Bachelors in Computer Science or Computer Engineering

  • Have experience as a founding engineer already and demonstrate building 0 → 1 products

  • Are content will full time in-office

  • Have experience in an environment with a high engineering bar

  • Are genuinely excited and capable about working in a fast-paced and rapidly changing business

  • Backend, full-stack, platform and founding engineers

  • LLMs, agentic AI, RAG, MLOps, model deployment at scale

  • Azure, AWS, GCP, Databricks, Medallion architecture, modern data stacks

  • Pre-seed to Series A, VC-backed technology businesses and founder-led teams

Why work with us?

  • We work in one niche.

  • We understand the technical detail, well enough to assess candidates, not just pass CVs.

  • We move quickly and don't waste your time.

  • 20 years of recruitment experience, applied to a market that most recruiters don't understand.

Our Services.

Permanent Recruitment.

Enhance your hiring process with our expert recruitment solutions. We help you identify and secure the best talent for your organisation efficiently, ensuring a strong and lasting fit.

Interim Recruitment.

Find experienced professionals who can step in and make an immediate impact. Our interim recruitment solutions connect you with skilled experts who bring flexibility and expertise when you need it most.

Temp Recruitment.

Access reliable short-term talent with our temporary staffing solutions. Whether for seasonal demand or project-based needs, we ensure you have the right people in place to keep your business moving forward.

Contact Us.

Interested in working together? Fill out some info and we will be in touch shortly. We can’t wait to hear from you!