At a Glance
- Tasks: Design and build exciting features for our iOS app, optimising performance and user experience.
- Company: Join Morse, a global financial platform revolutionising cross-border payments.
- Benefits: Competitive contract rate, flexible hybrid work, and a chance to shape innovative tech.
- Other info: Opportunity to work with cutting-edge technologies like blockchain and GraphQL.
- Why this job: Make a real impact in fintech while working with a talented, collaborative team.
- Qualifications: Experience in building high-quality consumer iOS apps; strong communication skills.
The predicted salary is between 60000 - 80000 £ per year.
Senior i OS Contractor - Morse About Morse Morse (formerly Sling Money) is a global financial platform for people whose lives cross borders — remote workers, freelancers, digital nomads, and expats.
From a single app, our users can receive, move, hold, spend, send, and invest across 150+ countries and 40+ currencies: get paid in foreign currencies using their own account details, convert at the real exchange rate, invest in US stocks, and spend anywhere with a Morse Visa card.
We're built by engineers and builders from Monzo, Square, Cash App, and more, with a strategic focus on Mexico and the Americas.
The Engagement 6-month contract, full-time.
London-based, with 2 days a week expected in our Shoreditch office.
Competitive contract rate, based on experience.
About the Role We're looking for a Senior i OS Engineer to join our small, experienced, and highly collaborative team on a contract basis.
We want someone who is product-oriented and cares about how people will use and interact with the software they're building.
You’ll play a hands‑on role in building and shaping our product and infrastructure.
We’re looking for an engineer who cares about people, quality and who likes to move fast.
What you’ll do Design, build, and ship new features for the Morse i OS app, working across the UI and platform stack.
Collaborate closely with product managers, designers, and backend engineers to craft a great user experience from concept through launch.
Optimize the app’s performance and reliability across a broad range of i OS devices, ensuring a smooth experience even on entry‑level hardware.
Improve and maintain core systems related to security and blockchain (Solana) integration.
Participate in code reviews, testing, and iterative improvements to keep the codebase high‑quality and scalable as we grow.
Tech stack The app is written in Swift 5 and Swift UI + UI Kit.
We use Apollo and Graph QL.
What we’re looking for You’re an experienced engineer who has built high‑quality consumer i OS apps at scale.
You have a drive to build for millions of people, from the ground up.
You’re a good communicator, both verbally and in writing.
You’re comfortable with ambiguity, both technically and organizationally.
You’re happy to tackle problems without a clear definition or solution.
You enjoy owning problems end‑to‑end, from early exploration through to releasing things to customers.
You’re able to ramp up quickly and work independently within an existing codebase and team, with minimal onboarding.
You like to share your work early and you’re happy to put something out there when it’s ~70% done.
Bonus points Experience in fintech or the payments industry.
Familiarity with Graph QL and the Solana blockchain (or other blockchain technologies).
An eye for smooth, delightful animations and UI polish.
Not ticking every box?
That’s totally okay!
If you’re passionate about this role and keen to contribute, we encourage you to apply, even if you don’t have everything listed just yet.
Drop us your application, we’d love to hear from you! #J-18808-Ljbffr
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