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Founding Senior Engineer
Not disclosed
Salary
Not disclosed by employer
£41,700
Going rate
Skilled Worker going rate
This role may qualify for a Skilled Worker visa
SOC 5223 is an eligible occupation, but we classified this role with low confidence (44% match). If the code is right — and Catapult is a licensed sponsor — it should qualify, but double-check the occupation eligibility rules against the actual role.
About the role
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.
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 maximise 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 users requests, etc.) and ideally also managing scientific processes (e.g. forming and testing hypotheses)
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!
This description is the source posting as it read when we added it. We are not affiliated with Catapult, so check their own site for the current details.
Where this offer sits in the market
SOC 5223 · UK · ONS ASHE 2025 · ~209k in sampleSimilar sponsored roles
See all jobsNo close matches live right now.
Browse more sponsored jobs at CatapultAbout sponsorship for this role
Does this job guarantee visa sponsorship?
Not necessarily. Catapult holds a sponsor licence, but sponsorship for a specific hire is always the employer's decision. Be upfront in your application that you'll require it.
What salary is needed for this role to be eligible?
The offer must clear both the general threshold and the SOC 5223 going rate of £41,700. New-entrant and shortage discounts can lower it.