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Junior Software Developer jobs in United Kingdom

Founding Software Engineer

Founding Software Engineer
JR United Kingdom
Ipswich
GBP 80,000 - 120,000
Urgently required
5 days ago
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Insider Risk Management Software Engineer

Insider Risk Management Software Engineer
Lloyds Banking Group
Leeds
GBP 70,000 - 107,000
Urgently required
5 days ago

Founding Software Engineer

Founding Software Engineer
JR United Kingdom
Newport
GBP 70,000 - 120,000
Urgently required
5 days ago

Founding Software Engineer

Founding Software Engineer
JR United Kingdom
Leicester
GBP 70,000 - 100,000
Urgently required
5 days ago

Senior Ai Software Engineer

Senior Ai Software Engineer
JR United Kingdom
Bedford
GBP 60,000 - 90,000
Urgently required
5 days ago
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Founding Software Engineer

Founding Software Engineer
JR United Kingdom
Wakefield
GBP 70,000 - 100,000
Urgently required
5 days ago

Founding Software Engineer

Founding Software Engineer
JR United Kingdom
Belfast
GBP 70,000 - 100,000
Urgently required
5 days ago

Founding Software Engineer

Founding Software Engineer
JR United Kingdom
Maidstone
GBP 70,000 - 110,000
Urgently required
5 days ago
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Founding Software Engineer

Founding Software Engineer
JR United Kingdom
Bradford
GBP 70,000 - 100,000
Urgently required
5 days ago

Founding Software Engineer

Founding Software Engineer
JR United Kingdom
Derby
GBP 70,000 - 100,000
Urgently required
5 days ago

Founding Software Engineer

Founding Software Engineer
JR United Kingdom
Doncaster
GBP 60,000 - 100,000
Urgently required
5 days ago

Senior Ai Software Engineer

Senior Ai Software Engineer
JR United Kingdom
Glasgow
GBP 60,000 - 90,000
Urgently required
5 days ago

Senior Ai Software Engineer

Senior Ai Software Engineer
JR United Kingdom
Newport
GBP 70,000 - 100,000
Urgently required
5 days ago

Senior Ai Software Engineer

Senior Ai Software Engineer
JR United Kingdom
Plymouth
GBP 65,000 - 90,000
Urgently required
5 days ago

Founding Software Engineer

Founding Software Engineer
JR United Kingdom
Newcastle upon Tyne
GBP 70,000 - 100,000
Urgently required
5 days ago

Founding Software Engineer

Founding Software Engineer
JR United Kingdom
Gloucester
GBP 70,000 - 120,000
Urgently required
5 days ago

Senior Ai Software Engineer

Senior Ai Software Engineer
JR United Kingdom
Reading
GBP 70,000 - 100,000
Urgently required
5 days ago

Founding Software Engineer

Founding Software Engineer
JR United Kingdom
Bristol
GBP 60,000 - 90,000
Urgently required
5 days ago

Founding Software Engineer

Founding Software Engineer
JR United Kingdom
Swindon
GBP 70,000 - 100,000
Urgently required
5 days ago

Founding Software Engineer

Founding Software Engineer
JR United Kingdom
Luton
GBP 60,000 - 100,000
Urgently required
5 days ago

Founding Software Engineer

Founding Software Engineer
JR United Kingdom
High Wycombe
GBP 70,000 - 100,000
Urgently required
5 days ago

Founding Software Engineer

Founding Software Engineer
JR United Kingdom
Bolton
GBP 60,000 - 100,000
Urgently required
5 days ago

Founding Software Engineer

Founding Software Engineer
JR United Kingdom
Cardiff
GBP 70,000 - 100,000
Urgently required
5 days ago

Senior Ai Software Engineer

Senior Ai Software Engineer
JR United Kingdom
Stevenage
GBP 60,000 - 90,000
Urgently required
5 days ago

Founding Software Engineer

Founding Software Engineer
JR United Kingdom
Coventry
GBP 70,000 - 120,000
Urgently required
5 days ago

Founding Software Engineer

Be among the first applicants.
JR United Kingdom
Ipswich
GBP 80,000 - 120,000
Be among the first applicants.
5 days ago
Job description

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?Founding Software Engineer - AI Start-Up (Central London | On-Site | Equity + Salary)??

One of London’s most promising AI start-ups are looking for their first few Founding Engineers! Backed by top-tier investors and led by an elite founding team from Oxford, Cambridge, and Imperial, this venture is already attracting serious attention within the AI space!!

Currently in stealth mode, they’re now searching for a Founding Software Engineer to join the core team - someone ambitious, technically exceptional, and ready to help build the company from the ground up!

?About the Company

Founded by alumni of successful AI start-ups, this is a business led by people who’ve done it before - and done it well. With strong funding and a clear product vision, they're building cutting-edge technology that leverages the latest advances in AI to solve high-impact problems.

  • Python - core backend and ML integration
  • AWS - scalable, production-grade infrastructure

This is a hands-on role where you’ll work across the stack and have real influence over the architecture, tooling, and direction of the product.

? What They’re Looking For:

  • A top-tier academic background – Oxbridge, Imperial, or equivalent
  • 4+ years of experience in high-growth start-up environments
  • Strong engineering fundamentals and a deep product mindset
  • Experience building and scaling real-world applications from scratch
  • Passion for AI and enthusiasm for working in a fast-moving, collaborative setting
  • A team player who thrives in a full-time, in-office environment (Central London - 5 days/week)

? What’s on Offer:

  • Highly competitive salary
  • Significant equity stake – this is a founding-level opportunity
  • Close collaboration with some of the brightest minds in AI and software
  • A chance to help shape company culture, technology, and trajectory
  • The energy, speed, and ownership of an early-stage start-up - with real backing

If you’re an ambitious engineer ready for your next big challenge, and want to be part of something truly special, this could be the opportunity that defines your career!

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* The salary benchmark is based on the target salaries of market leaders in their relevant sectors. It is intended to serve as a guide to help Premium Members assess open positions and to help in salary negotiations. The salary benchmark is not provided directly by the company, which could be significantly higher or lower.

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