Ios developer Work, Jobs in Saint Marylebone (with Salaries)

Mobile iOS Engineer
SpaceXAI —London
- £107,000 - £262,000 a year
- APIs
- Communication skills
- Employee discount
- Life insurance
Quick apply
13d
Senior iOS Developer
RemoteStar —London
- Full-time
- Agile
- Communication skills
Junior Front End Developer
Byte9 —London
- JavaScript
- APIs
- HTML
Senior iOS Developer - 6 Month FTC
Moneybox —London
- Hybrid work
- APIs
Staff Engineer, iOS
AlphaSense —London
- Remote
- Contracts
- APIs
- AI
iOS Engineer - Engine by Starling
Starling —London
- Full-time
- Hybrid work
- Annual leave
- Employee discount
Quick apply
Senior iOS Engineer – Send Experience
Wise —London
- £111,000 - £145,000 a year
- Full-time
- Hybrid work
- APIs
Quick apply
Senior Flutter Mobile App Developer (Flutter / Dart / Kotlin / Swift)
Open Paparazzi —London
- £26,401.28 - £58,400.23 a year
- Part-time
- Hybrid work
- Social media management
- AWS
- APIs
- Profit sharing
Quick apply
Senior Software Engineer - Mobile (iOS)
Lloyds Banking Group —London
- £76,760 - £115,140 a year
- Full-time
- Hybrid work
- Agile
SENIOR 3D UNITY DEVELOPER
Micazook —London
- English
- C++
- Maths
Senior software engineer, iOS
FDJ UNITED —London
- English
- APIs
- Agile
Senior iOS Engineer
SumUp —London
- APIs
- Agile
- Financial services
- Annual leave
- Life insurance
Quick apply
Staff iOS Engineer
Depop —London
- Full-time
- Hybrid work
- Driving
- Mentoring
- Agile
- Annual leave
- Employee assistance programme
Senior iOS Engineer - Payments
Depop —London
- Full-time
- Hybrid work
- Annual leave
- Employee assistance programme
5d
Mobile Application Developer
vServices —London
- Computer Science
- Bachelor's degree
- JavaScript
Senior iOS Engineer
Plum Fintech —London
- Full-time
- Hybrid work
- Referral programme
Quick apply
Graduate C/C++ Cross Platform Game Programmer
Feral Interactive —London
- £27,000 - £30,000 a year
- Full-time
- No experience needed
- C++
- Linux
- Flexitime
Quick apply
Software Engineer, iOS Core Product - London, United Kingdom
Speechify —London
- Remote
- Communication skills
Iphone Developer
Akshara Consultancy —London
- Computer Science
- Engineering
- Master's degree
Senior iOS Engineer - Pricing
Depop —London
- Full-time
- Hybrid work
- APIs
- Annual leave
- Employee assistance programme

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Mobile iOS Engineer

SpaceXAI
London

Quick apply

Job details

£107,000 - £262,000 a year
13 days ago

Benefits

Employee discount
Life insurance

Qualifications

Rust (programming language)
iOS development
REST
APIs
Scalability
Swift
gRPC
Communication skills

Full job description

SpaceXAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

ABOUT THE ROLE:

We're seeking an exceptional iOS engineer to join a small, high-impact team dedicated to creating the world's most valuable AI application, judged by the impact it delivers to users. You'll shape cutting-edge mobile experiences, blending technical mastery with product brilliance.

RESPONSIBILITIES:

Dream up and craft delightful, intuitive user experiences that redefine how people interact with AI on mobile.
Obsess over every pixel, animation, and interaction, ensuring the experience feels magical and seamless.
Build blazing-fast, highly performant systems where every millisecond counts.
Drive technical and product decisions, collaborating with AI researchers and engineers to deploy state-of-the-art models globally.

BASIC QUALIFICATIONS:

Expert in Swift, with deep knowledge of SwiftUI and UIKit.
Proficient in performance optimization—memory, CPU, GPU—using low-level tools to deliver blazing-fast systems.
Experienced in designing and shipping intuitive, pixel-perfect mobile UIs that redefine how users interact with AI.
Skilled in concurrency and reactive programming (Combine) for responsive, real-time apps.
Built high-throughput integrations with APIs (REST, gRPC) or AI model outputs, ensuring seamless data flow.
Capable of owning complex features end-to-end, from architecture to App Store deployment, with a focus on speed and scalability.

PREFERRED SKILLS AND EXPERIENCE:

Deep expertise in the Apple ecosystem and related development tools.
Rust for working with our backend components.
AVFoundation for real-time audio processing.
Track record of shipping standout apps or standout features within apps.
Deep expertise in iOS development, particularly with Swift. We seek individuals who operate at the highest levels of their craft.
Excel at delivering results swiftly, often in a fraction of the time others require. Speed is a core value at SpaceXAI—we must act decisively to succeed.
Sharp product sense, with an ability to empathize with users, anticipate their needs, and translate that into features that delight and deliver value.

COMPENSATION AND BENEFITS:

£107,000 - £262,000 GBP

Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive healthcare and dental coverage, cash plan, income protection, life insurance, and various other discounts and perks.

SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.

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Refine Your Search

ios developer jobs in saint marylebone

Mobile iOS Engineer

Senior iOS Developer

Junior Front End Developer

Senior iOS Developer - 6 Month FTC

Staff Engineer, iOS

iOS Engineer - Engine by Starling

Senior iOS Engineer – Send Experience

Senior Flutter Mobile App Developer (Flutter / Dart / Kotlin / Swift)

Senior Software Engineer - Mobile (iOS)

SENIOR 3D UNITY DEVELOPER

Senior software engineer, iOS

Senior iOS Engineer

Staff iOS Engineer

Senior iOS Engineer - Payments

Mobile Application Developer

Senior iOS Engineer

Graduate C/C++ Cross Platform Game Programmer

Software Engineer, iOS Core Product - London, United Kingdom

Iphone Developer

Senior iOS Engineer - Pricing

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