Member of Technical Staff - Application Development (iOS Developer)

Model ML; Greater London; On-site; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Competitive salary + equity

Job summary

Model ML is seeking a skilled iOS Developer to translate web products into native iOS apps for iPhone and iPad. You will work closely with Design, Product, and web engineers to create scalable architecture and excellent user experiences while preserving product intent across platforms.

Ideal candidates have proven experience in Swift/SwiftUI, strong mobile interaction judgment, and hands-on involvement with design systems, testing, and release processes.

Qualifications

• Proven experience building iOS apps with Swift/SwiftUI.
• Strong judgment on mobile interaction patterns and offline behavior.
• Experience partnering with design, product, and web engineers.
• Proficiency in scalable iOS architecture and standards.
• Knowledge of testing, observability, and release processes.
• Ability to own and maintain a design system.

Responsibilities

• Translate web products into native iOS experiences.
• Collaborate with Design, Product, and web engineering teams.
• Preserve product intent while adapting workflows for iPhone and iPad.
• Optimize applications for iPhone and iPad.
• Make technical judgments on mobile interaction patterns and offline behavior.
• Manage notifications and adhere to platform conventions.
• Ensure scalable iOS architecture and standards.
• Implement and uphold testing, observability, and release processes.
• Own and maintain a maintainable design system.

Skills

iOS development

Swift

SwiftUI

Mobile UX judgement

Notifications management

Collaboration

iOS architecture

Testing/observability

Design system ownership

Job description

Company Overview

Model ML is the AI workflow builder transforming how major financial institutions produce and validate client-ready work. Model ML converts complex, manual processes into fully automated AI systems that scale across global teams. In under a year, Model ML has become one of the fastest growing enterprise AI platforms worldwide and recently closed a $75 million Series A, one of the largest fintech Series A rounds ever. The round was backed by FT Partners, Y Combinator, LocalGlobe, QED, 13books, and other top global investors.

Job Description

We are looking for a skilled iOS Developer to join our team. You will translate our web products into native iOS applications, working closely with Design, Product, and web engineers. Your role will focus on creating scalable iOS architecture, optimising for iPhone and iPad, and ensuring seamless user experiences.

Responsibilities

• Translate web products into native iOS experiences.
• Work closely with Design, Product, and web engineering teams.
• Preserve product intent while adapting workflows for iPhone and iPad.
• Optimize applications for both iPhone and iPad.
• Make technical judgments on mobile interaction patterns and offline behavior.
• Manage notifications and adhere to platform conventions.
• Ensure scalable iOS architecture and standards.
• Implement and uphold testing, observability, and release processes.
• Own and maintain a maintainable design system.

What You Can Expect

• It won't be easy; in fact, it will be very hard.
• BUT, it will be a lot of fun.
• You need to be comfortable in being uncomfortable; timelines will change, priorities will most likely shift
• Be prepared to sacrifice your work-life balance in exchange for joining an incredible journey and learning a lot along the way.

Requirements

• Proven experience in building iOS applications using Swift and SwiftUI.
• Strong technical judgment on mobile interaction patterns and offline behavior.
• Ability to manage notifications and adhere to platform conventions.
• Experience partnering with Design, Product, and web engineers.
• Proficiency in scalable iOS architecture and standards.
• Knowledge of testing, observability, and release processes.
• Ability to own and maintain a design system.

What We Offer

• You will be reporting directly to the founders, who have two successful venture-backed exits under their belt.
• Competitive salary + equity
• Supportive and innovative work environment

About The Interview

Our Process: We're very conscious of everyone's time, so we want to make the process as efficient as possible.

• Call 1: 30-minute intro call with our Talent Acquisition team
• Call 2: 30-minute technical screen
• Call 3: 20-minute systems design deep-dive
• Call 4: Onsite interview with Engineering Leadership