As the first Senior iOS Engineer, you will own the mobile product end-to-end for a groundbreaking financial wellness app. You will translate behavioral science into real-time interventions that redirect impulse spending into long-term wealth. This is a high-impact role shaping the technical foundations and product direction of a 0→1 venture.
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Senior iOS Engineer at Hansel & Gretel
Join a high-growth fintech startup in London founded by alumni from Meta, Revolut, and American Express. As a Senior iOS Engineer, you will own the mobile product from scratch, building a revolutionary app that uses behavioral nudges and gamification to turn impulse spending into long-term wealth. This pre-seed, VC-backed venture offers the chance to define a new category in financial wellness while working directly with world-class founders. If you are a Swift expert with a product-first mindset and a desire for 0→1 impact, this is your chance to secure a foundational role with meaningful equity.
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Location
London, United Kingdom
Compensation
Not Disclosed
Company
Hansel & Gretel
Role overview
Hansel & Gretel is a financial app that helps users manage their money through a two-part system: Hansel helps users pause and redirect their money to their future, while Gretel helps their money grow.
What you will do
- Lead the end-to-end development of the iOS application from initial architecture to App Store deployment.
- Design and implement high-performance features that utilize real-time data to influence user financial decisions.
- Establish engineering excellence standards, including robust testing frameworks, CI/CD pipelines, and scalable codebase structures.
Who this is a fit for
- Extensive experience building and scaling iOS applications using Swift and modern architectures like MVVM.
- Proven track record of owning a mobile product or large-scale codebase within a fast-paced startup environment.
- Strong product-centric mindset with a deep interest in user behavior, UX experimentation, and financial wellness trends.
Why this role is remarkable
- Direct ownership of the iOS architecture and production environment for a mission-driven product designed to change consumer habits.
- Join an elite founding team with pedigree from Meta, Revolut, and Dojo at the earliest pre-seed stage.
- Massive equity potential and the opportunity to define a new category in fintech focused on gamified savings and financial health.
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.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.
I recruit from Jack’s network and make the intro when I spot a great match.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.
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
Meet Jack
What happens next?
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 your profile’s a match and Hansel & Gretel wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.