Applied Scientist (Marketplace)
Checkatrade is hiring an Applied Scientist (Marketplace) for a remote role open to applicants in United Kingdom. Level rates it ; you can apply on Level.
AI in this role
Applied Scientist needed to validate AI-generated analysis, own metric integrity, and design A/B tests for a home improvement marketplace.
Powering Great Work
We started as the place to find a trusted trade. Now, as we shape the future of home improvement, we're building the tech to transform that landscape for everyone - better products, smarter data, AI where it actually helps - so trades can spend less time on admin and consumers can find someone they trust, first time. That's Powering Great Work, and it's why every team here exists:
🔧 Trades spend less time on admin and more on winning work and growing their business
🏠 Homeowners get a trusted trade, first time, every time
🚀 We get to build products that change homes and lives across the country
As our next Applied Scientist, you'll help build the UK's go-to home improvement marketplace by making sure the numbers behind it are right. AI is doing more of the heavy lifting on analysis, and you'll be the human layer above it. You'll own the direction of your work, partner with data scientists on models and systems with real impact, and work closely with the C-suite on making the business more data-driven.
The job, unfiltered:
Own metric integrity: define and govern what our numbers actually mean, so nobody makes a call off a flawed definition or a dodgy query.
Act as the quality gate on AI-generated analysis, checking the logic and validating the output so errors are caught before they reach a stakeholder.
Design and interpret A/B tests: set the success metrics, size the sample properly and call it when a result is underpowered rather than running with it.
Diagnose what's driving commercial performance, such as why revenue is moving, where leads drop out of the funnel and which segments are underperforming, and turn that into a structured investigation with real hypotheses.
Turn analysis into action: size the commercial impact, lay out the trade-offs, help the business decide what to do differently, then track whether it worked.
Build interactive dashboards and self-serve tools that keep stakeholders oriented day to day, without an analyst needing to be in the loop every time.
The fit:
A track record across diagnosing, analysing and acting: not just producing analysis, but finding the cause and driving the change that moved the outcome.
Fluency with SQL, Python and core data concepts, so you can tell when an output is wrong before anyone else spots it.
Experience designing experiments and turning statistical findings into commercial recommendations that hold up under scrutiny.
A knack for explaining complex findings to non-technical audiences in a way that moves a decision.
Experience in a marketplace, subscription or lead-generation business is a bonus.
Experience with tools like Tableau or Looker is a bonus too.
(Don't self-select out because you don't tick every box. We'd rather meet you.)
What you get
💰 Competitive salary, annual bonus & equity scheme
🩺 Health, wellbeing and learning support
🚲 Gym membership, Smart Tech Scheme, Cycle Scheme
🎂 Birthday/special day leave, buy & sell holiday scheme
❤️ 1 week's paid charity leave, and more
How this goes
Screening call with one of our Talent Acquisition Partners
1st stage: interview with the hiring manager
2nd stage: interview made up of two speed rounds with stakeholders
Final stage: panel interview, including a short analysis case study
Not this one? Stay close anyway. Join the Talent Community and we'll ping you the second something better fits.
About us
We’re Checkatrade – the UK’s leading platform for finding a tradesperson. With more than 50,000 trades listed and over 6 million reviews, we help homeowners get jobs done right and help tradespeople grow their business.
We’re growing fast, with big plans to become the go-to brand for home improvements. If you care about great work, take pride in the details, and want to make an impact, you’ll fit right in.
How we rate this
Applied Scientist (Marketplace) at Checkatrade rates 65 out of 100 for how much of the daily work is AI. That makes it Works on AI (AI Level 3 of 4). The level is about AI in the job, not seniority.
Works on AI. The daily work is on AI products, without building the model.
- ●●●● Builds AI80 to 100
- ●●●○ Works on AI60 to 79
- ●●○○ Uses AI40 to 59
- ●○○○ Little AI0 to 39
Levels come from how often the tools, models and workflows of the role are named in the posting itself. Open the description and count.
Prepare for this job
Built from this posting and from similar jobs on Level.
Skills and AI tools this role asks for
Pay
- Typical applied scientist job
- $167k
This posting doesn't list pay. Use the typical applied scientist figure when pay comes up. See applied scientist jobs
Questions you could be asked
- Tell me about a project where applied science was part of your work. What did you do?
- Tell me about a project where data analysis was part of your work. What did you do?
- Tell me about a project where a b testing was part of your work. What did you do?
- Tell me about a project where marketplace was part of your work. What did you do?
- Walk me through how you've used Python in your day-to-day work.
Adapt your resume
- List these exact terms on your resume: Applied Science, Data Analysis, A B Testing, Marketplace, and Python. An applicant tracking system matches the wording, not the idea.
- Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
- Show where AI is part of your daily process, not a one-off project. This role expects it to be a running habit.
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