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- Tasks: Own the mobile layer, integrating SDKs and deploying on-device machine learning.
- Company: Fast-growing start-up in London with a dynamic work culture.
- Benefits: Equity options, employee discounts, 25 days leave, and private medical insurance.
- Other info: Join a diverse team with excellent growth opportunities in a hybrid work environment.
- Why this job: Make a real impact by developing cutting-edge mobile experiences and ML features.
- Qualifications: Experience in mobile development, SDKs, and on-device ML frameworks required.
The predicted salary is between 60000 - 80000 £ per year.
We’re working with a fast-growing start-up business looking for an iOS Developer to take full ownership of the mobile layer - from SDKs used by partners to the app used by clients in their field. You’ll work at the intersection of on-device machine learning, SDK development, and real-world product deployment, delivering reliable, high-performance mobile experiences used in production environments.
Location: London - Hybrid
Responsibilities:
- SDK integrations & partner support
- Lead integrations with partners and clients, ensuring seamless interoperability
- Collaborate with external engineering teams to support SDK adoption
- Manage versioning, documentation, and developer support
- iOS camera SDK ownership
- Maintain and extend a camera SDK with real-time image quality checks (e.g. blur, lighting, framing)
- Ensure stability, performance, and ease of integration
- Manage SDK distribution and packaging
- On-device ML deployment
- Deploy and optimise machine learning models for mobile (e.g. conversion, quantisation, performance tuning)
- Run real-time vision models directly on-device
- Ensure performance across a range of device types
- Mobile app ownership
- Maintain and improve a live iOS application
- Build features connecting mobile to backend systems via APIs
- Own authentication, networking, and custom camera workflows
- CI/CD & release pipeline
- Improve build, test, and release processes
- Support ongoing delivery and maintain reliability of releases
Experience required:
- Background in early-stage or fast-moving environments
- Experience as a sole or lead mobile developer, owning products end-to-end
- Proven delivery of on-device ML features in production (not just prototypes)
- Experience building and maintaining SDKs used by external developers
- Track record of maintaining live apps, shipping features, and fixing issues
- Ownership of CI/CD pipelines and release processes
- Strong expertise in Swift and native iOS development
- Experience with on-device ML frameworks (e.g. Core ML, TensorFlow Lite, ONNX Runtime)
- Model conversion and optimisation (e.g. PyTorch → mobile formats)
- SDK development and distribution
Benefits include:
- Equity share options
- Employee discount platform
- Cycle to Work scheme
- 25 days annual leave + bank holidays
- Private medical insurance
For further information on this iOS Developer role apply below.
We are an equal opportunity employer and value diversity at our company. We do not discriminate based on race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
Technisch Ontwikkelaar in London employer: Addition+
Contact Detail:
Addition+ Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Technisch Ontwikkelaar in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech world, especially those who work in iOS development or related fields. A friendly chat can lead to insider info about job openings that aren't even advertised yet.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best projects, especially those involving SDKs and on-device ML. This is your chance to demonstrate what you can bring to the table, so make it shine!
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge and problem-solving skills. Practice common coding challenges and be ready to discuss your past experiences with SDK development and mobile app ownership.
✨Tip Number 4
Don't forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take the initiative to connect directly with us.
We think you need these skills to ace Technisch Ontwikkelaar in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV reflects the skills and experiences that match the job description. Highlight your expertise in Swift, SDK development, and on-device ML features to catch our eye!
Craft a Compelling Cover Letter: Use your cover letter to tell us why you're the perfect fit for this role. Share specific examples of your past work with mobile apps and SDKs, and how you’ve tackled challenges in fast-paced environments.
Showcase Your Projects: If you've worked on relevant projects, don’t hesitate to include them! Whether it’s a live app or an SDK you’ve developed, we want to see what you can bring to the table.
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands and shows us you’re serious about joining our team!
How to prepare for a job interview at Addition+
✨Know Your Tech Inside Out
Make sure you’re well-versed in Swift and native iOS development. Brush up on your experience with on-device ML frameworks like Core ML and TensorFlow Lite, as well as SDK development. Being able to discuss your past projects and how you’ve tackled challenges will show your expertise.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific examples where you've successfully delivered on-device ML features or maintained live apps. Think about the challenges you faced and how you overcame them. This will demonstrate your ability to handle real-world scenarios effectively.
✨Understand the Company’s Vision
Research the start-up and understand their products and goals. Be ready to explain how your skills align with their mission, especially regarding SDK integrations and mobile app ownership. Showing that you’re genuinely interested in their work can set you apart from other candidates.
✨Ask Insightful Questions
Prepare a few thoughtful questions about their current projects, team dynamics, or future plans. This not only shows your interest but also gives you a chance to assess if the company is the right fit for you. Plus, it opens up a dialogue that can make the interview feel more like a conversation.