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Catapult

Founding Senior Engineer

London
Posted about 7 hours ago
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At Catapult, we're building personalised AI models that understand the complete context of your work across email, calendar, Slack, Notion, Google Docs, and more.

We're pushing the frontier of what's possible in AI with personalisation, memory, and deep context - to help you work better than you ever thought possible.

Learn more about Catapult here: https://www.catapult.xyz/join

The role

The founding senior engineer is in the ultimate cross-sectional position, and will be involved in solving tough algorithmic problems, managing the entire tech stack, and building products end-to-end.

This will include building highly performant desktop applications (both the frontend and backend), as well as doing work on algorithmic development, and working closely with others on the team, especially AI engineers.

The role the founding engineer plays is limited only by their ability and ambition. The successful candidate must be an especially fast learner and problem solver with the ability to recognise and solve (or learn to solve) almost any problem that may arise.

Reasons to use Rodeo

I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.

Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.

Start with a chat, not a search bar

Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.

P

Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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It searches the market for you

Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.

Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Strong

Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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Strong

Only hits

No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.

You’ll love this role if you enjoy…

  • Identifying and solving very challenging technical and research-level problems
  • Building products end-to-end (from algorithm development, experimentation, all the way to UI/UX)
  • Learning and keeping abreast of current research and developments related to LLMs/NLP, vision, and more
  • Helping identify and tackle any technical challenge that may emerge
  • Pushing beyond your comfort zone and maximising your potential

Requirements and experience

  • 5+ years of experience working on similar projects
  • Strong programming skills, ideally in Typescript, Python, and/or Rust/C++.
  • A strong track record of solving difficult problems in either an academic or industrial setting
  • A strong track record displaying the ability to manage engineering workflows (e.g. building robust and scalable products, working with user requests, etc.) and ideally also managing scientific processes (e.g. forming and testing hypotheses)
  • Experience working with cloud infrastructure providers and database technologies (e.g. SQL/no-SQL)
  • Ability to self-organise and work independently
  • Based in, or willing to relocate to London (we are open to sponsoring visas)

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Nice to haves

  • Experience working with NLP/LLMs or other AI/ML
  • ML/statistics/mathematics background or experience
  • Experience working on open-source projects, working on an interesting side project, or contributing to Stack Exchange (or similar)

What we offer

  • Competitive salary and truly generous stock options
  • Comprehensive Bupa Private Healthcare, and wellbeing allowances
  • Tax efficient pension scheme with salary sacrifice
  • All the equipment you need to perform at your very best
  • We sponsor work visas so that you can come build with us in person in London
  • Most importantly, helping shape the future of personalised AI!
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Skills

Typescript
Python
Rust
C++
NLP
AI
ML
Cloud Infrastructure
Database Technologies
SQL
No-SQL
Algorithm Development
UI/UX
Problem Solving
Self-Organisation
Engineering Workflows

Location

London, England, United Kingdom

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