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.
Back to all jobs
Find a job with Jack
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.
Overview
Role overview
Company
Hansel & Gretel
Pre-seed VC-backed fintech startup founded by Meta, Revolut, and American Express alumni
Responsibilities
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.
Candidate profile
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.
What makes it remarkable
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.
Jack & Jill
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.
Meet Jack
Jack gets to know what you're great at and what you want next, then searches 14 million jobs daily and introduces you directly to hiring managers.
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.