Senior Product Engineer Backend Equity at VC-backed generative marketing SaaS

Senior Product Engineer [Backend]

Salary: £80k-£100k + Equity

Company

Description:

VC-backed generative marketing SaaS

Job Description: As a Senior Product Engineer, you will own critical product areas, making high‑impact technical and strategic decisions. You will design secure, concurrent backend systems and modern cloud architectures while working in a high‑ownership environment without traditional PMs. You'll collaborate across the stack to deliver world‑class experiences that revolutionize how B2B teams engage buyers.

Location: London, UK

• Take full end‑to‑end ownership of product and roadmap decisions in a high‑autonomy culture without Project Managers.
• Join an early‑stage team on an incredible growth trajectory, backed by top‑tier VCs in the generative AI marketing space.
• Enjoy premium perks including a Shoreditch office with a private gym, team off‑sites to places like Corfu, and high‑spec Apple hardware.

• Design and implement scalable architectures for new features using Golang, Type Script, and AWS cloud services.
• Lead projects from first principles, making critical product decisions based directly on customer interactions and feedback.
• Design and maintain high‑performance internal and public REST API contracts to support a rapidly growing user base.

• Proven experience designing secure, highly concurrent backend systems and message‑driven architectures in modern cloud environments.
• Strong proficiency in Golang or similar languages, with a desire to contribute across the full stack when necessary.
• Excellent communication skills and a product‑focused mindset that values high‑quality user experiences and clean documentation.