Android Developer

Senior Android Developer – Kotlin, Jetpack

London Hybrid/On-site 4 days

A fast-growing London startup looking to change education through ML-powered tutoring. Having successfully launched an iOS app in last year, they are now looking for a talented Senior Android Developer to help build the next phase of the journey.

You will be building a brand new Android app from scratch and ground up, at a time that is pivotal for their next stage of growth and be able to shape the future of an ambitious product which will be used by millions.

What You’ll Be Doing

• Lead the end-to-end development of our Android app from the ground up

• Design and build a scalable mobile application capable of handling millions of users

• Define architecture, tech stack, and engineering best practices

• Develop CI/CD pipelines and testing frameworks for rapid, reliable delivery

• Collaborate with ML engineers to integrate models into the mobile experience

• Build features handling rich data types (text, audio, video, images)

• Work closely with product, backend, iOS, and design teams

Experience

Essential:

• Strong experience building Android apps from scratch

• Expert-level Kotlin and Jetpack Compose

• Deep understanding of coroutines, concurrency, and multithreading

• Experience with architecture design and trade-off decisions

• Solid grasp of clean code and scalable API integration (REST, HTTPS)

• CI/CD pipeline experience (e.g. GitHub Actions, CircleCI)

• A strong university background in comp science (Batchelors/Masters/PHD) from a top tier university is essential

Desirable and nice to haves:

• Java or iOS experience

• Background in EdTech or language learning products

• Multilingual skills

• Contributions to the tech community (talks, blogs, etc.)

What You’ll Do

• Be part of startup building something meaningful from the ground up

• Have freedom to experiment, innovate, and shape the product

• Be part of a collaborative, product-focused team

• Competitive salary (£90K–£100K DOE)

If you’re excited by the idea of owning a product, working with cutting-edge ML, and shaping the future of education, let me know