Senior ML Product Engineer - £90-125K + Benefits + Equity - London - Hybrid (3 days in office)

ZipRecruiter; London; Hybrid; GBP 90,000 - 125,000; Full time

Job summary

A leading tech company in London is seeking a Senior ML Product Engineer to drive product strategy and enhance user experiences. The role involves ownership of key product areas and collaboration with a dedicated team. The company offers a competitive salary, equity, and excellent benefits in a hybrid working environment.

Benefits

Competitive salary

Equity in an early-stage tech company

25 days plus local holidays

Apple hardware and desk amenities budget

Team events in London

Team off-sites in fun locations

Enhanced parental leave

Full Bupa medical cover

Access to a private gym

Qualifications

• Strong product-focused ML engineers with ownership of product areas.
• Experience in building and optimizing ML models.

Responsibilities

• Make technical and strategic decisions for product strategy.
• Collaborate in a close-knit team to improve and scale systems.

Skills

Python

FastAPI

PyTorch

Transformers

Diffusers

Tools

AWS

BigQuery

Job description

Job Description

Senior ML Product Engineer - £90-125K + Benefits + Equity - London - Hybrid (3 days in office)

The Role:

We're looking for strong Product-focused Senior ML Engineers who want to make a significant impact on product strategy. You will take ownership of a key area of our product and make technical and strategic decisions that deliver world-class user experiences.

About Userled:

Currently around 30 people, including 10 product engineers and 1 ML Engineer, with plans to continue hiring throughout 2025. Userled helps B2B teams drive growth with AI-powered, hyper-personalized campaigns across all channels—faster, smarter, and more effective. With rising costs and the end of third-party cookies, now is the time for Generative Marketing.

With a Pre-Seed valuation of £22m, we offer opportunities for professional growth as we scale to become one of Europe's leading tech companies.

Our close-knit team of engineers handles everything from design to deployment, continuously improving and scaling our systems. If you enjoy working in collaborative environments that value passion and trust, you'll fit right in.

ML Tech Stack:

Backend: Python, FastAPI
Model Serving: vLLM, LitServe
Model Development: PyTorch, Transformers, Diffusers
Agent Development: PydanticAI
Cloud: AWS, BigQuery

We’re seeking engineers interested in building and optimizing ML models (PyTorch, Transformers, Diffusers) and developing FastAPI backend services and LLM serving architectures.

We can offer sponsorship for candidates on a Tier 2 skilled visa.

Benefits:

• Competitive salary
• Equity in an early-stage tech company on an incredible trajectory—early employees are heavily invested financially and emotionally
• 25 days plus local holidays
• Apple hardware and a budget for desk amenities
• Team events in London
• Team off-sites in fun locations (e.g., Bath, Corfu)
• Enhanced parental leave and full Bupa medical cover
• A modern office in central London (Shoreditch/Old Street) with access to a private gym

Interested? Get in touch at [e-mail]