Senior Product Engineer [Backend]

🔒 Confidential Employer
Posted 7 May 2026
LOCATION
London
TYPE
Full-time
LEVEL
Mid-Senior level
SALARY
£100,000 / year
CATEGORY
Technology
This employer holds a UK Home Office sponsor license — sponsorship for this specific role is at the employer’s discretion

SKILLS

Golang TypeScript AWS PostgreSQL Kafka Redis REST API Design Microservices Architecture

FULL DESCRIPTION

Senior Product Engineer [Backend]

[Employer hidden — sign up to reveal] - London Office (Shoreditch)

Salary: £80,000 - £100,000 per year

What is [Employer hidden — sign up to reveal]?

The way businesses market themselves is completely broken. Marketing teams spend countless resources on generic campaigns targeted to audiences that are too broad and don’t generate results. [Employer hidden — sign up to reveal]’s platform revolutionises how B2B teams grow their business with Generative Marketing to engage and convert key buyers with hyper-personalized campaigns across all their channels. The platform helps businesses reduce the delivery time of buyer experiences, enabling the creation of swift and impactful engagement strategies while monitoring the impact of personalisation on their growth seamlessly. Given the current market downturn & increased focus on capital efficiency, along with Google and Apple announcing the deprecation of 3rd party cookies, there has never been a more vital time for businesses to use [Employer hidden — sign up to reveal] to personalize their marketing efforts at scale to make every penny count. This is Generative Marketing — built for modern times.

Why is this role important?

As a Senior Product Engineer at [Employer hidden — sign up to reveal] you will take ownership for a key area of our product and make technical and strategic decisions that deliver world class user experiences. We are particularly interested in hearing from engineers who have designed secure backend systems including common design criteria for systems such as message driven architectures or highly concurrent systems, and have excellent knowledge of modern cloud architectures including proprietary technologies offered by AWS and/or GCP.

The team you will join

You will join our core product team focused on all key areas of the product. Through Ownership, team members are responsible not just for the technical aspects of their work but also their own product and roadmap decisions. Everything from technical debt decisions through to feature planning is carried out. In a culture without PM’s, we are able to think from first principles and support each other across projects.

What is it like to work at [Employer hidden — sign up to reveal]?

[Employer hidden — sign up to reveal] employees are based in our London office (Shoreditch). We love building products that delight. We’re setting ourselves a high bar — as our next Product Engineer hire, you’ll help us hold and raise it, delivering beautifully crafted, world-class products. We talk to customers daily to make sure we’re shipping valuable, usable features. Team culture is everything to us. We are all trusted to produce high quality work. Our culture of collaborative curiosity allows us to challenge ideas, solve problems together and build a team of world class talent. Kindness is evident in how we work and there is a high level of mutual respect across the team that comes from working hard together on interesting problems.

What are the role requirements?

In this role, you will be expected to:

  • Contribute across the stack (Golang/Typescript/AWS), including to our Web and Backend codebases, to help move the company and product forward!
  • Design the architecture of new features to support our scale
  • Lead projects and make product decisions based on interaction with customers
  • Design REST API contracts for both internal and public consumers that are easy to work with and performant to implement
  • Be an advocate for innovative techniques and technologies that can improve our backend technology stack
  • Represent [Employer hidden — sign up to reveal]’s Product & Engineering values both internally and externally

We believe the right person will have the following attributes:

  • Collaboration: With other members of the team to ensure that new and existing features are performant and secure
  • Communication: Excellent written communication skills including the ability to write long form documentation of your work
  • Motivated: Enjoy solving problems and want to take ownership of finding better solutions
  • Design: Have a natural appreciation of what a good product should look and feel like

What does the hiring process look like?

We respond to applicants before the end of each week and within 24 hours of each interview, we will request and share feedback at every stage. Applicants can expect the following:

  • Introductory phone call ~ 30 minutes
  • [Virtual] Pair programming ~ 60 minutes
  • [In person] System design ~ 60 minutes + 45 culture fit
  • Offer stage

A lot of our interviews are enabled through self-scheduling but we are always on hand to speak to you or answer questions throughout the process. At the offer stage, you may want to speak to more of the team, see a demo or have other suggestions for us - we will be very happy to accommodate these and will make sure you have all the information you need. Everyone who completes at least one of the above stages will be asked to provide feedback on the overall process and offered some help on their career if it's not joining [Employer hidden — sign up to reveal] at this time.

What will an offer consist of?

  • Competitive salary in line with levelling framework, shown as £ with equivalent € if in Europe. Senior - £80,000 - £100,000
  • Equity in an early-stage tech company on an incredible trajectory
  • 25 days plus local holidays to relax and fuel up!
  • Apple hardware and a budget for desk amenities
  • Team events in London
  • ✈️ Team off-site in fun places! (We've been to Bath and Corfu so far)
  • Enhanced parental leave
  • A cool office in central London (Shoreditch/Old Street) with access to a private gym!

Our tech stack

Frontend: React, NextJS 14, Typescript
Backend: Golang, Postgres, Kafka, Redis, BigQuery
Cloud: AWS, Vercel
Research has shown that women are less likely than men to apply for this role if they do not have experience in 100% of these areas. Please know that this list is indicative, and that we would still love to hear from you even if you feel that you are only a 75% match. Skills can be learnt, diversity cannot.

Our commitment to diversity

We embrace diversity at [Employer hidden — sign up to reveal]. To build a product that’s loved by everyone, we need a team with all kinds of different perspectives, experiences, and backgrounds. That's why we're committed to hiring people regardless of race, religion, colour, national origin, sex, sexual orientation, gender identity, age or disability. We strive to create equal opportunities for all social groups, and are committed to a culture where everyone feels welcome and respected. Psychological safety and a culture of openness is fundamental to us.

Ready to take the leap?

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