Mobile app developer no experience Work, Jobs in London (with Salaries)

Junior Mobile App Developer (6-Month Contract)
H2 Cognitive Designs Ltd —London
- Up to £45,000 a year
- Full-time
- Hybrid work
- APIs
Quick apply
8d
Client Partner - Apple Ads (Mobile Gaming Vertical)
Apple —London
- Sales
- Communication skills
1d
CX Researcher - (App and Web Ops) - Perm
VML/WPPEnterprise Solutions —London
- AWS
- Analysis skills
- Agile
Quick apply
13d
Head of Demand Generation
Bitrise —London
- £100,000 - £130,000 a year
- Remote
- Sales
- DevOps
- SQL
Quick apply
6d
Senior Android Developer (Drive)
Proton AG —London
- Computer Science
- Engineering
- Bachelor's degree
Staff iOS Engineer
Depop —London
- Full-time
- Hybrid work
- Driving
- Mentoring
- Agile
- Annual leave
- Employee assistance programme
Enterprise Account Manager
BrowserStack —London
- Full-time
- Remote
- Sales
- DevOps
- Engineering
- Annual leave
iOS Engineer - Engine by Starling
Starling —London
- Full-time
- Hybrid work
- Annual leave
- Employee discount
Quick apply
Senior Software Engineer (Inbox Desktop)
Proton AG —London
- Computer Science
- Engineering
- Master's degree
Senior Flutter Engineer(EN)
Hypervolt Limited —London
- Full-time
- Hybrid work
- English
- Software development
- Work from home
Quick apply
Business Development Manager
Verve —London
- Sales
- Business development
- Travel
- Annual leave
3d
Senior Backend Engineer (App Store & Ecosystem)
Incard —London
- Full-time
- APIs
- Communication skills
- Annual leave
- Sick pay
Quick apply
Senior Product Owner (Tech)
Incard —London
- Full-time
- Product management
- APIs
- Leadership
- Annual leave
- Sick pay
Quick apply
Senior Product Owner (Data / AI)
Incard —London
- Full-time
- Machine learning
- AI
- Communication skills
- Annual leave
- Sick pay
Quick apply
Solution Digital Architect, Senior Manager - Digital Banking Solutions, Operation Industry & Domain Solutions, Technology & Transformation
Deloitte —London
- Hybrid work
- Azure
- PMP
- AWS
iOS Engineer
Starling —London
- Full-time
- Hybrid work
- Java
- IT
- Annual leave
- Employee discount
Quick apply
Senior Full Stack Engineer (Incard Apps)
Incard —London
- Full-time
- APIs
- Communication skills
- Annual leave
- Sick pay
Quick apply
Head of SEO & Growth Marketing - Fintech (UK / Europe, Remote)
GoCharting —London
- Full-time
- Remote
- SQL
Quick apply

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Junior Mobile App Developer (6-Month Contract)
H2 Cognitive Designs Ltd —London
You will work day-to-day alongside senior developers, product managers and designers — building cross-platform features with Kotlin Multiplatform and Compose…
Up to £45,000 a year
Quick apply
8d
CX Researcher - (App and Web Ops) - Perm
VML/WPPEnterprise Solutions —London
Lead research efforts for the client's website and other digital platforms, focusing on user journeys related to vehicle configuration, online purchasing,…
Quick apply
13d

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Junior Mobile App Developer (6-Month Contract)

H2 Cognitive Designs Ltd
London

Quick apply

Job details

Full-time
Up to £45,000 a year
8 days ago

Qualifications

Kotlin
iOS
Git
Android
REST
APIs
Swift
Debugging

Full job description

Important Information

To apply, submit a CV and a short cover letter explaining your interest and relevant experience. Informal enquiries to [email protected]. No agency applications.

This role is not eligible for UK visa sponsorship. Applicants must have the right to work in the UK independently and for the duration of their employment.

Contract Length

Six months, with the potential for an extension

Pay

Equivalent of £45,000 per annum

About Us

H2 Cognitive Designs (H2CD) is a health technology company working at the intersection of cognitive science, clinical research, and large-scale digital assessment. We build platforms used to measure cognitive performance across clinical trials, occupational health programmes, and large institutional deployments in the UK and internationally.

Our clients include demanding and security-conscious organisations across healthcare, national institutions, and sectors where the performance and reliability of what we build genuinely matter. Our infrastructure is cloud-native, and our engineering team is distributed, collaborative, highly skilled and highly specialised. We have a rapidly growing portfolio of significant projects, and this role sits at the heart of how we deliver them.

The Role

This is a core mobile application development position at the junior level. You will work day-to-day alongside senior developers, product managers and designers — building cross-platform features with Kotlin Multiplatform and Compose Multiplatform, contributing shared business logic and clean, reusable UI components, and helping integrate APIs, local data, authentication and offline-first functionality. You will assist in debugging across Android and iOS builds, write unit tests for shared logic, and participate in code reviews and testing.

You will grow into cross-platform mobile development as an area of practice. That means learning through structured guidance, asking questions early and often, investigating issues thoroughly and explaining your findings clearly — with the expectation that you develop into a full cross-platform mobile developer within the team.

Responsibilities

Assist in developing cross-platform features using Kotlin Multiplatform (KMP) and Compose Multiplatform (CMP).

Build clean, reusable UI components using Jetpack Compose / Compose Multiplatform.

Work on shared business logic in commonMain, while supporting platform-specific implementations in androidMain and iosMain.

Help integrate APIs, local databases, authentication, notifications, and offline-first functionality.

Collaborate with senior developers to design scalable app architecture using patterns such as MVVM, MVI, or clean architecture.

Write maintainable Kotlin code with proper separation between UI, state management, repositories, and platform services.

Support Android-specific features such as permissions, background tasks, notifications, and deep links.

Support iOS integration through Kotlin/Native, Swift interop, and shared framework usage.

Assist in debugging and fixing issues across Android and iOS builds.

Participate in code reviews, testing, and improving code quality.

Write unit tests for shared logic where appropriate.

Keep documentation updated for shared modules, setup steps, and feature behaviour.

Work closely with product, design, QA, and backend teams to deliver reliable mobile features.

Learn and apply modern mobile development practices, including dependency injection, async flows, local persistence, and CI/CD workflows.

Nice-to-Have's

Basic experience with Kotlin, Jetpack Compose, or Android development.

Familiarity with KMP/CMP project structure.

Understanding of REST APIs, JSON, coroutines, and flows.

Basic knowledge of local databases such as Room, SQLDelight, or similar.

Interest in cross-platform mobile development and willingness to learn iOS build/debugging workflows.

Experience with Git, pull requests, and collaborative development.

Expected Mindset

Willing to learn and ask questions.

Comfortable working step by step with guidance.

Interested in writing clean, simple, testable code.

Able to investigate bugs and explain findings clearly.

Open to feedback during code reviews.

Keen to grow into a full cross-platform mobile developer role.

Pay: Up to £45,000.00 per year

Work Location: Hybrid remote in London EC2A

Quick apply

Refine Your Search

mobile app developer no experience jobs in london

Junior Mobile App Developer (6-Month Contract)

Client Partner - Apple Ads (Mobile Gaming Vertical)

CX Researcher - (App and Web Ops) - Perm

Head of Demand Generation

Senior Android Developer (Drive)

Staff iOS Engineer

Enterprise Account Manager

iOS Engineer - Engine by Starling

Senior Software Engineer (Inbox Desktop)

Senior Flutter Engineer(EN)

Business Development Manager

Senior Backend Engineer (App Store & Ecosystem)

Senior Product Owner (Tech)

Senior Product Owner (Data / AI)

Solution Digital Architect, Senior Manager - Digital Banking Solutions, Operation Industry & Domain Solutions, Technology & Transformation

iOS Engineer

Senior Full Stack Engineer (Incard Apps)

Head of SEO & Growth Marketing - Fintech (UK / Europe, Remote)

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