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Product Engineer

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Safi
Full Time position
Listed on 2026-06-14
Job specializations:
  • Software Development
    Full Stack Developer, Software Engineer
Salary/Wage Range or Industry Benchmark: 110000 - 160000 GBP Yearly GBP 110000.00 160000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

We're on the hunt for top talent to join our mission. Building AI that transforms how the world recycles.

Location

Employment Type

Full time

Location Type

Hybrid

Department

Safi’s mission is to make circular economy firms more profitable through the deployment of AI Technology. We do that by developing foundational models, software and data connectors. In this role you will deploy our technology with customers and help them use it to improve their plants.

Why Safi?

Our customers are industrial recyclers of plastic and metals - manufacturers, processors, smelters. These firms are held back by limited, legacy technology. Our current customers include one of the world’s largest recycling plants and a group that processes the entire plastic waste stream of a major developed nation.

We have product-market fit and strong customer traction in an under-served market. We want to expand on that traction to help manage the entire end to end lifecycle of plants in multiple sectors.

We’re backed by leading climate-focused VCs, including Lower Carbon Capital, Nosara Capital and Transition Ventures. If our mission resonates with you, we encourage you to apply, even if your experience doesn’t match every requirement.

Who we’re looking for:

We're at an early stage with a small team. We need an experienced Product Engineer to deeply understand these plants and help us automate and improve them.

You:

Are excited about deploying technology at real-world industrial sites

Raise the product bar of strong engineers around you. Not via management, but via shipped work and the questions you ask in PRs and design reviews.

Can take a problem from "I saw something that could be improved at a plant" to a shipped feature in our app deploying at the plant, end-to-end, within a sprint or two

Can work closely with customers - assessing (not just blindly following) what they say, observing their operations and understanding what is the critical thing to impact

Are interested in commercial questions (how much do we charge for this?) , deployment (what’s the right UI for forklift engineers wearing gloves?) and AI/ML (what can we build that is 10x better than their current ERP process?)

Have experience working with a high degree of autonomy, quickly and with a large set of competing problems to tackle (and enjoy it!)

Have experience taking products from 0 to 1 (and then from 1 to 100!)

Can work shoulder-to-shoulder with our ML team. You don't train models but turn their outputs into something a forklift driver and a procurement manager both want to use.

Collaborate closely with our product designer to craft fast, scalable, and user-friendly experiences

Requirements:

You have examples of multiple user facing projects you haveled, and can define projects to work on with other people.

Experience with the majority of our stack and have examples of filling experience gaps quickly.

Python

Django and DRF

React and React Native

Google Cloud

Experience monitoring reliable systems and recovering from outages

You know how to see an alert in production and dig in to deliver a resolution.

At least 2 years in an environment where shipping fast is important.

You are comfortable delivering at pace but with strong monitoring and testing fundamentals so that software is robust and easily fixable.

Happy to travel to a customer site or our London HQ regularly (i.e. avg. once per month) (expenses covered by Safi of course)

If remote, timezone +/-2 hrs of London.

Compensation and Benefits:

Competitive salary and share option plan

Salary varies based on location and level of experience. For a candidate in London, UK we expect to pay between £110,000 - £160,000, dependent on seniority

26 days annual leave (+ all UK bank holidays) - the bank holidays are flexible, so you can take them whenever it suits you

HQ in Spitalfields, East London, UK

Personal wellness & development budget of £75 per month

Home office kit-out budget of £500

Regular team socials and meals

Private health insurance (UK)

Salary sacrifice pension scheme (UK)

Cycle to work scheme (UK)

We welcome applicants from all backgrounds and do not discriminate on the basis of age, disability, gender reassignment, marriage and civil partnership, pregnancy and maternity, race or ethnicity, religion or belief, sex, or sexual orientation. If you require reasonable adjustments at any stage, please let us know.

Don't see a role that fits?

Send us your CV and a short note about what excites you about Safi.

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