Senior Product Engineer (Backend) (£150k-£180k + Equity) at Fast-growing B2B SaaS startup

Jack & Jill/External ATS; Greater London; On-site; GBP 150,000 - 180,000; Full time

Job summary

A fast-growing B2B SaaS startup in Greater London is seeking a Senior Product Engineer (Backend) to oversee features from customer validation to implementation. The role offers an opportunity to significantly influence backend architecture and collaborate directly with users to solve their problems. Ideal candidates have a track record in product-led companies and experience with distributed systems. Competitive salary of £150k-£180k plus equity is offered.

Qualifications

• Proven track record in product-led companies, ideally B2B SaaS.
• Excitement for both architectural conversations and customer-facing problem-solving.

Responsibilities

• Ship features to solve customer problems from ideation through to deployment.
• Help define and evolve the backend architecture and technical roadmap.
• Collaborate with customers to validate ideas and scope new product initiatives.

Skills

Experience with distributed systems

Building high-performance web applications

Customer-facing problem-solving

Job description

Title

Senior Product Engineer (Backend)

Salary

£150k-£180k + Equity

Company Description

Fast-growing B2B SaaS startup

Job Description

Join a well‑funded B2B SaaS startup as a Senior Product Engineer (Backend). You will own features end‑to‑end, from customer validation and scoping to technical implementation and smooth rollout. Shape our backend architecture and contribute to product direction in a collaborative, impact‑driven environment.

Location

London, UK

Why this role is remarkable

• Own features end-to-end, directly impacting customer experience and product direction.
• Join a well‑funded, Series A backed startup with a focus on B2B SaaS.
• Opportunity to significantly influence technical architecture and developer experience.

What you will do

• Ship features to solve customer problems from ideation through to deployment.
• Help define and evolve the backend architecture and technical roadmap.
• Collaborate with customers to validate ideas and scope new product initiatives.

The ideal candidate

• Proven track record in product‑led companies, ideally B2B SaaS.
• Excitement for both architectural conversations and customer‑facing problem‑solving.
• Experience with distributed systems and building high‑performance web applications.

How to Apply

To apply for this job speak to Jack, our AI recruiter.

Step 1. Visit our website.
Step 2. Click 'Speak with Jack'.
Step 3. Login with your LinkedIn profile.
Step 4. Talk to Jack for 20 minutes so he can understand your experience and ambitions.
Step 5. If the hiring manager would like to meet you, Jack will make the introduction.