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Technical co-founder // startup cto (go and react)

London
Nihires
Cto
Posted: 13 June
Offer description

We’re looking for a high-caliber engineer to join as a CTO. You should be deeply hands-on with code, technically opinionated, and capable of building production systems from scratch. This is a role for someone who enjoys execution but also has the potential (or ambition) to lead technology at a company-defining level.


🔍 What You'll Do
* Build and own core infrastructure and backend systems
* Design and implement APIs, data models, and scalable services
* Collaborate closely with founders on product direction and technical architecture
* Ship code fast, validate assumptions, and iterate
* Lay the groundwork for the future engineering team (tooling, processes, and architecture)


✅ Core Technical Requirements
* Proficient in one or more modern backend languages (e.g. Python, Go, TypeScript, Java, Rust)
* Strong systems design skills — you can model real-world systems and reason about scale, latency, and trade-offs
* Comfortable building from zero — greenfield work doesn’t scare you; in fact, you prefer it
* Experienced with cloud infrastructure — AWS, GCP, or similar; IaC (Terraform, Pulumi, etc.) is a plus
* Competent with databases and data modeling — SQL and NoSQL, designing schema for scale
* Comfortable writing tests and deploying production systems — you care about code quality and reliability


⭐ Bonus Experience (Not Required, but Valuable)
* Worked at a Pre-Seed or Seed-stage startup through to Series A
* Built or deployed software used by enterprise customers
* Experience with applied machine learning or MLOps (not just academic or notebook-based work)
* Exposure to event-driven architectures, streaming systems (Kafka, etc.), or real-time data pipelines
* Frontend experience in React, TypeScript, or similar modern frameworks


📈 What We Offer
* Early-stage equity and the opportunity to shape foundational decisions
* High ownership, zero bureaucracy — build what matters, fast
* Founders who value engineers, ship code, and work closely with you
* A role that grows with you — if you have CTO potential, you’ll have a path


You should apply if:

You’re an engineer first — you solve problems through code, you like building things that work, and you’ve got the technical depth to back it up.

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