Jack & Jill
Backend Engineer (£65k-£75k + Equity) at fast-growing accounting-tech SaaS
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This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers.
She will pick the best candidates from Jack's network.
The next step is to speak to Jack.
Job Title
Backend Engineer
Salary
£65k-£75k + Equity
Company Description
Fast-growing accounting-tech SaaS startup
Job Description
You will join as a core engineer responsible for building automation and AI features that eliminate manual financial workflows. Working directly with the CPTO, you will design scalable, dependable backend systems and contribute to product hypotheses. This is a high-impact role in a lean team where your code ships to customers rapidly.
Location
London, UK
Why this role is remarkable
- Join a category leader that recently passed a major revenue milestone and is doubling its headcount to accelerate growth.
- Enjoy high ownership and visibility as the fourth engineer in a technical team led by experienced repeat founders.
- Benefit from a culture of personal development with a dedicated budget and time for learning complex financial domains.
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What You Will Do
- Develop and maintain core backend services using Spring Boot, Java/Kotlin, and Ruby on Rails.
- Collaborate across the business to translate user needs into pragmatic, well-tested technical solutions.
- Contribute to small frontend features in React to ensure seamless end-to-end product delivery.
The ideal candidate
- Proven experience as a backend engineer in a fast-paced startup environment with strong JVM or Rails skills.
- A pragmatic problem-solver who enjoys wearing multiple hats and building 80/20 solutions for rapid testing.
- Based in the UK and able to commute to Central London at least one day per week.
Who are Jack & Jill?
Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Get help with your application
Your very own career expert that helps elevate your application to the next level.
How does this work?
- Jack's an AI agent for job searching and career coaching. He works for you.
- Jill is the AI recruiter working for the company. She recruits from Jack's network.
- If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.
We never post fake jobs
This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.
Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
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