Right now is one of the most exciting moments to join Popsa. Deloitte named us one of the UK’s fastest-growing technology companies, and the Financial Times recognised Popsa among the Top 5 fastest-growing software companies in Europe.
We’re backed by world-class investors, and the world is noticing. Our iOS and Android apps are available in 12 languages, trusted by more than 12 million people who have created over 5 million photobooks shipped to 50+ countries. With more than 350,000 five-star reviews, we’re one of the highest-rated consumer apps anywhere.
But the real story isn’t the numbers, it’s the memories behind them.
We’re living in a time where we capture more photos than ever before. Billions of moments sitting unseen in camera rolls and clouds, mixed with screenshots, receipts, or where we parked the car. We are great at documenting life… but not so great at preserving the meaning in it.
Popsa is changing that.
Since launching in 2016, we’ve built an award-winning platform that removes every barrier to transforming your favourite memories into something beautifully tangible. No design skills. No time-sink. Just the joy of holding real stories in your hands. A celebration of the people and moments that make life worth living.
This is only the beginning.
👉 Learn more about what it’s like to work at Popsa
👉 Read about the technology we're building
👉 Take a look inside our Soho HQ
About the Role
You'll be building and improving a sophisticated memory curation platform that helps users discover their best moments, and create beautiful, personalised products automatically. The app intelligently curates photos from users' libraries, uses on-device ML for face recognition and photo analysis, and renders high-fidelity 3D previews of physical products. You'll work across features spanning photo selection, AI-assisted layout generation, payment processing, and immersive product visualisation.
Expertise
We’re primarily looking for recent experience developing high-quality, consumer-facing iOS apps where finesse, performance, and delight are priorities.
Strong experience developing production apps with Swift
Deep understanding of UIKit architecture, with growing proficiency in SwiftUI for building modern UI components in a hybrid codebase
Familiarity with the Coordinator pattern for managing complex navigation flows
Experience with MVVM and protocol-oriented design
Understanding of the iOS app lifecycle, including background tasks, widgets, and app extensions
Proficiency handling resources, permissions, and responsive UI across device sizes
Mindset
A problem-solving, curious, and inquisitive attitude
Clear communicator with a keenness to work collaboratively
Constructive approach to code reviews and architectural discussions
Nice to Have
Experience with custom drawing, Core Graphics, or advanced UI animations
Performance optimisation and profiling with Instruments
Accessibility best practices and VoiceOver support
Experience integrating on-device ML models (CoreML, Vision)
Background in 3D graphics or AR experiences
Familiarity with localisation workflows for international apps
Tech Stack
Architecture & data
Swift Package Manager for modular dependency management
Protocol Buffers for efficient data serialisation with our backend
Core Data for on-device persistence
Repository pattern for clean data access abstractions
Concurrency & reactive programming
Swift Structured Concurrency (async/await, actors)
Combine for reactive data flows and UI bindingsGraphics & visualisation
SceneKit and ARKit for immersive 3D product previews
Custom Metal shaders for advanced rendering effects
Vision and CoreML for on-device photo analysis and face recognition
Photo library integration
Deep PhotoKit integration for accessing and analysing user photo libraries
On-device ML models for face embeddings and photo quality scoring
Smart album generation and photo metadata synchronisation
Third-party integrations
Firebase (Analytics, Remote Config)
Sentry for crash reporting and performance monitoring
Stripe and Braintree for payment processing
GrowthBook for feature flags and experimentation
Nuke for high-performance image loading and caching
CI/CD & quality
GitHub Actions for automated linting, testing, and snapshot testing
Xcode Cloud for continuous integration
Fastlane for release automation
SwiftLint for code style consistency
Snapshot testing for UI regression prevention
If you’re the sort of person who cares about the detail, and stays kind under pressure, you’ll fit in.
