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- Tasks: Own the mobile layer, integrating SDKs and deploying on-device ML for a live iOS app.
- Company: Fast-growing start-up in London with a focus on innovation and collaboration.
- Benefits: Equity options, employee discounts, 25 days leave, and private medical insurance.
- Other info: Hybrid work environment with opportunities for growth and diversity valued.
- Why this job: Join a dynamic team and make a real impact in mobile tech and machine learning.
- Qualifications: Experience in mobile development, SDKs, and on-device ML; strong Swift skills 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
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 Developer in London employer: Addition+
Contact Detail:
Addition+ Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Technisch Developer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech world, especially those who are already in start-ups or have experience with mobile development. 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 previous projects, especially any on-device ML features or SDKs you've developed. This is your chance to demonstrate your expertise and make a lasting impression.
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge. Be ready to discuss your experience with Swift, iOS development, and CI/CD processes. Practising common interview questions can help you feel more confident when it’s your turn to shine.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who take the initiative to connect directly with us.
We think you need these skills to ace Technisch Developer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the iOS Developer role. Highlight your experience with SDKs, on-device ML, and any relevant projects you've worked on. We want to see how your skills match what we're looking for!
Showcase Your Projects: Include links to any apps or SDKs you've developed or contributed to. If you've got a GitHub profile, share it! We love seeing real-world examples of your work and how you’ve tackled challenges.
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Tell us why you're passionate about mobile development and how your background fits with our fast-paced environment. Be genuine and let your personality come through!
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. Plus, it shows us you’re keen on joining our team at StudySmarter!
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 integrated SDKs or deployed machine learning models. Highlight any real-world applications you've worked on, especially those that required quick thinking and adaptability in fast-paced environments.
✨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, particularly in delivering high-performance mobile experiences. This shows you’re not just looking for a job, but are genuinely interested in contributing to their success.
✨Ask Insightful Questions
Prepare thoughtful questions about their current projects, team dynamics, and future plans. This not only demonstrates your interest but also gives you a chance to assess if the company culture and role are a good fit for you.