UK

United Kingdom · Technology and data · Senior (5-8 years)

Senior Mobile Developer

Here is the whole job, in plain words. What it is, what you decide, how you're judged, how people get here and where they go next. Then the part no course gives you: twelve AI tutors who learn your work.

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One email: what AI is changing in this job, and where to start free. With a link back here. Nothing else follows unless you confirm your address.

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  • Experience bandSenior (5-8 years)
  • Direct reportsNo direct reports
  • Reports toMobile Engineering Manager
  • UK framework levelUsually a manager, or the deepest specialist in a team

Also advertised as Mobile Engineer III · Senior iOS Developer · Senior Android Developer · Lead Mobile Engineer (small team)

Built on 43,079 real UK job descriptions we analysed · grounded in qualifications employers recognise

Two short quizzes about you

1From this job to a course

The qualifications matched to this job

OCNLR Level 5 Diploma in Software Engineering OCN London · Level 5 · covers 1 of 1 standard
OCN NI Level 3 Diploma in Information Technology Applications Open College Network Northern Ireland · Level 3 · covers 1 of 1 standard
Pearson BTEC Level 3 National Foundation Diploma in Information Technology Pearson Education Ltd · Level 3 · covers 1 of 1 standard
Open College Network Northern Ireland Level 3 Vocationally-Related Qualification in Digital Technology (Users) Open College Network Northern Ireland · Level 3 · covers 1 of 1 standard
Pearson BTEC Level 3 National Diploma in Information Technology Pearson Education Ltd · Level 3 · covers 1 of 1 standard

Matched from the standards this job is measured against: a suggestion, not an official ruling.

The units you would start with

Mobile Applications OCNLR Level 5 Diploma in Software Engineering
Mobile Application Development OCN NI Level 3 Diploma in Information Technology Applications
Mobile Apps Development Pearson BTEC Level 3 National Foundation Diploma in Information Technology
Mobile application design OCNLR Level 2 Award in Skills for Professions in the Creative and Digital Industries

The future skills this job leans on

AI Fluency working with AI as a thinking partner
Automation Fluency building AI into how work runs
Systems Fluency seeing the whole picture
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Your Plan Illustration

Built for Senior Mobile Developer

4 units that map to this job, from the qualifications that cover it.

  1. Mobile Applications OCN London · covers 1 of 1 standards Level 5
  2. Mobile Application Development Open College Network Northern Ireland · covers 1 of 1 standards Level 3
  3. Mobile Apps Development Pearson Education Ltd · covers 1 of 1 standards Level 3
  4. Mobile application design OCN London · covers 1 of 1 standards Level 2
These are the real units behind this job, in the order they rank for it. Nothing here is marked done, because this plan has not been started by anyone yet. Yours would fill in as you go.

2AI and this work

Will AI change your work as a Senior Mobile Developer?

Nobody can say exactly how. Here is what this job is being asked for next, and where to start.

The new skills this role is being asked for

  • Prompt Engineering & LLM Integration
  • Cross-Platform Native Integration (e.g., KMP, Swift Package Manager)
Why each one is rising

The future skills this job leans on

We'll only ever tell you what we can actually back up. No hype, no scare tactics.

What happens when you start

Next, a free account. We build your Senior Mobile Developer plan as you set up, starting with a Future Fluency module on using AI in your job. No card.

Your first Future Fluency module is free. After that, your AI tutor is £70 a month.

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3What this role really is

A Senior Mobile Developer builds and shapes mobile applications, taking ownership of features from concept to launch.

4What you'd actually use

The tools this job runs on, and how well you'd need to know each one.

Swift & Kotlin Expert

Writing, debugging, and optimising high-performance native iOS (Swift) and Android (Kotlin) applications. You'll be fluent in both, or expert in one with strong proficiency in the other, and comfortable switching between them.

React Native or Flutter Advanced

Architecting new features, managing complex state, and optimising performance in our chosen cross-platform framework. You'll be able to tackle complex UI challenges and integrate native modules when needed.

Xcode & Android Studio Expert

Mastering advanced debugging tools, Instruments, and profilers to diagnose and resolve complex performance issues, memory leaks, and crashes. You'll use them daily for coding, building, and testing.

Git & GitHub/GitLab Expert

Mastering complex Git workflows (rebasing, cherry-picking, bisecting). You'll enforce branching strategies, resolve tricky merge conflicts, and mentor juniors on Git best practices, ensuring our codebase remains clean and organised.

Postman Advanced

Writing automated API tests, collaborating with backend teams on defining API contracts, and efficiently testing API endpoints during development and debugging.

Jenkins or GitHub Actions Advanced

Writing, maintaining, and troubleshooting CI/CD pipelines for mobile builds and deployments. You'll implement automated testing and deployment jobs, ensuring our release process is smooth and reliable.

Jira Expert

Managing sprints, creating detailed tickets with clear acceptance criteria, and using Jira dashboards to track team velocity and project progress. You'll help keep the team organised and focused.

5What you get to decide, and how that grows

Power in a job isn't your title. It's what you're allowed to decide. Here's how it grows as you move up.

The choiceComing in Where you are nowThe step above
Technical Approach for a New Feature Proposes options, requires full review and approval from Senior/Lead. Proposes preferred approach, gets feedback, requires approval from Senior/Lead. Designs and decides on the technical approach within established architectural guidelines; consults Lead/Manager on significant deviations or complex trade-offs.
Code Review & Merging Submits code for review; cannot approve others' code. Submits code for review; can provide feedback on junior code but cannot approve for merge. Reviews and approves code for junior and mid-level developers; submits own code for review by Lead/peers; can merge code after approval.
Production Bug Fix Strategy Identifies bug, proposes fix, requires full review and approval before implementation. Diagnoses bug, proposes fix, requires review and approval. Diagnoses, proposes, and implements fixes for most production bugs; consults Lead/Manager for critical, high-impact issues or architectural changes.
Tool/Library Selection for a Project Suggests tools, requires justification and approval. Researches and recommends tools, requires approval. Researches, recommends, and often decides on appropriate tools/libraries for specific project needs, ensuring alignment with overall mobile strategy; consults Lead/Manager for major dependencies or significant cost implications.

6How you'll be judged

The scoreboard, and what is not on it. The hard targets, how often each is actually looked at, and the quiet signals that never reach a dashboard.

Project Delivery Rate
Percentage of owned epics (large feature sets) delivered on or before the estimated deadline, accounting for scope changes.
Target · 90% or higher

You owned the 'New User Onboarding Flow' epic, estimated for 8 weeks. It shipped in 7.5 weeks, well within target.

Code Review Velocity
Average time taken to provide meaningful, actionable feedback on assigned pull requests.
Target · 95% of reviews within one business day

You reviewed 15 pull requests last month, and 14 of them received your detailed feedback within 24 hours, helping unblock your colleagues quickly.

Introduced Bug Rate (Critical/High)
Number of critical or high-priority bugs introduced by your code that make it to production.
Target · Fewer than 1 per quarter

Over the last quarter, no critical user-facing bugs were traced back to your feature implementations, which is fantastic.

Mentorship Impact
Successful progression or 'exceeds expectations' performance reviews for junior developers you've formally mentored.
Target · At least one mentored junior developer shows significant growth or promotion annually

Sarah, who you mentored for 9 months, was promoted from Associate to Mobile Developer, with specific feedback highlighting your guidance.

Technical Leadership & Problem Solving
Your ability to proactively identify and solve complex technical challenges, and to guide the team through difficult architectural decisions.
  • You're the first person the team comes to for obscure build errors or tricky concurrency issues. You'll often propose elegant solutions to problems that have stumped others. You also contribute to architectural discussions, offering well-reasoned technical trade-offs.
Code Quality & Maintainability
The clarity, testability, and long-term maintainability of the code you write and review.
  • Your pull requests consistently receive positive feedback for clean structure and good test coverage. You're often praised for catching potential issues in others' code reviews, helping to prevent 'massive view controller' scenarios or 'jank' before it ships. People can easily pick up your code and understand what's going on.
Collaboration & Communication
How effectively you work with product, design, and other engineering teams, and how clearly you communicate technical concepts.
  • Product managers often comment on how well you translate requirements into technical tasks. Designers appreciate your proactive feedback on UI/UX feasibility. You can explain complex technical issues to non-technical colleagues without resorting to jargon. You're known for being a good listener and a helpful team member, not just a coder.
Adherence to Best Practices
Your commitment to and advocacy for mobile development best practices, including security, performance, and accessibility.
  • You consistently implement features with an eye towards accessibility guidelines (e.g., voice-over support). You're proactive in identifying and addressing potential memory leaks or performance bottlenecks. You champion secure coding practices within the team and call out potential risks during code reviews.

7Would you like it

Both sides. What people enjoy, and what grinds them down.

What people enjoy
Building Impactful Products

You'll be directly responsible for features that thousands of people use daily, seeing your work come to life in their hands. That's a pretty powerful feeling.

Seeing positive app store reviews specifically mentioning a feature you led, or hearing a friend say how much they love using our app.

Technical Challenge & Mastery

You'll regularly tackle complex architectural decisions, performance optimisations, and tricky platform-specific issues. If you love digging deep into technical problems and finding elegant solutions, you'll thrive.

Successfully implementing a complex animation or a robust offline-first data synchronisation solution that others thought was too difficult.

Mentoring & Growing Others

You'll spend time guiding junior developers, reviewing their code, and helping them navigate the complexities of mobile development. Seeing them 'get it' and grow is incredibly rewarding.

A junior developer you've mentored independently solves a problem they previously struggled with, and thanks you for your guidance.

What frustrates people
  • The Build Killer: Spending an hour debugging a critical issue only to find it was caused by an expired Apple provisioning profile or a corrupt Gradle cache.
  • Design vs. Reality: Receiving a beautiful UI mockup from a designer that is technically impossible or prohibitively expensive to build on one platform (e.g., complex custom transitions on Android).
  • Device Fragmentation Nightmare: A bug is reported, but it only occurs on a Samsung Galaxy S8 running Android 9, and you don't have the physical device to test it on.
  • Surprise Backend Changes: The app suddenly starts crashing because a backend developer changed an API endpoint or a JSON key without telling the mobile team.
  • App Store Roulette: Your app update gets rejected by a human reviewer for a vague reason like 'Guideline 4.3 - Spam,' forcing you to guess what they want and resubmit, delaying your launch by days.
  • Legacy Code Archeology: Being asked to fix a bug in a 5-year-old part of the codebase that has no documentation, no tests, and was written by someone who left the company 3 years ago.
What this role does not give you
  • A perfectly stable, unchanging technical environment (mobile moves too fast for that).
  • Complete isolation from product or design discussions (you're too important for that).
  • A role where you only execute; you'll be expected to contribute ideas and solutions.
  • A guaranteed 9-to-5 schedule every single day (sometimes 'breaking the build' needs a late fix).

8Who you work with

This role directly impacts the quality, performance, and feature set of our user-facing mobile applications. Your technical decisions and code quality directly influence user satisfaction, app ratings, and ultimately, our business's ability to acquire and retain customers. You'll also play a critical part in developing the technical capabilities of our junior team members, ensuring a strong talent pipeline for the future.

Inside the business
  • Product Managers (for feature requirements and roadmap)
  • UI/UX Designers (for translating designs into code)
  • Backend Engineers (for API contracts and integration)
  • QA Testers (for bug reproduction and quality assurance)
  • Junior Mobile Developers (for mentorship and code reviews)
Outside the business
  • Apple App Store reviewers (for app submission guidelines)
  • Google Play Store reviewers (for app submission guidelines)
  • External SDK providers (for technical integration and troubleshooting)

9What you need before you start

Not a wish list. The things you would be expected to already have.

  • A proven track record of successfully delivering complex mobile features from start to finish (5-8 years of experience).
  • Expert-level proficiency in either Swift/iOS or Kotlin/Android, with strong working knowledge of the other, or advanced proficiency in a major cross-platform framework like React Native or Flutter.
  • Demonstrable experience in designing and implementing robust architectural patterns (e.g., MVVM, MVI, Clean Architecture) in mobile applications.
  • Experience mentoring junior developers, including providing detailed code reviews and technical guidance.
  • A solid understanding of the full mobile development lifecycle, from planning and design to testing, deployment, and post-launch support.
  • Strong problem-solving skills, particularly in debugging, performance optimisation, and handling platform-specific quirks.

10What to practise next

Where the job is going, and what to do about it starting this week.

Advanced Performance Profiling & Optimisation

As apps become more complex and user expectations for speed increase, simply writing 'fast enough' code won't cut it. You'll need to master advanced profiling techniques to squeeze every bit of performance out of our apps, especially on older devices.

CPU & GPU Profiling · Memory Graph Analysis · Network Optimisation · Battery Usage Analysis · Startup Time Optimisation

  • This week: Watch tutorials on advanced Xcode Instruments or Android Studio Profiler features.
  • This month: Pick one area of our app that feels slow and conduct a full performance audit, identifying specific bottlenecks.
  • Month 2: Implement and measure the impact of at least two performance optimisations based on your audit.
  • Month 3: Share your findings and the techniques you used with the mobile team.
  • Month 4: Research and experiment with new performance measurement tools or libraries.

Quick win: Run a basic CPU and memory profile on your current feature development. You might be surprised what you find.

Modular Architecture Design

As our apps grow, a monolithic codebase becomes a 'massive view controller' nightmare. You'll need to design and implement modular architectures that allow for independent development, easier testing, and better scalability, especially if we move towards larger teams or micro-frontends.

Feature Modules · Dependency Graphs · Inversion of Control (IoC) & Dependency Injection · API Design for Modules · Testing Modular Architectures

  • This week: Read articles and watch talks on modular mobile architectures (e.g., Clean Architecture, VIPER, RIBs).
  • This month: Identify a part of our existing app that could benefit from modularisation and propose a refactoring plan.
  • Month 2: Implement a small proof-of-concept for a new feature using a modular approach, demonstrating its benefits.
  • Month 3: Lead a discussion with the team on best practices for modular design and how we can apply them.
  • Month 4: Actively contribute to refactoring existing 'massive view controller' sections into more modular components.

Quick win: For your next feature, try to isolate its core logic and UI into a separate, self-contained module, even if it's just a logical separation within the existing project structure.

11Staying current once you are in

What people here do to keep up
  • Regularly contribute to open-source mobile projects, showcasing your coding style and problem-solving abilities.
  • Attend industry conferences (e.g., WWDC, Google I/O, Droidcon, iOSDevUK) to stay current with the latest mobile trends and network with peers.
  • Participate in online courses or workshops on advanced mobile topics, such as performance optimisation, security, or new framework features.
  • Present on technical topics at internal team meetings or local meetups, sharing your expertise and building your leadership skills.
  • Maintain a personal portfolio of side projects or contributions that demonstrate your passion for mobile development and continuous learning.

12The rising capability

The rising capability

Zavmo analysis

What's rising in its place

This is where the work is heading, and the higher pay with it. Get fluent here and the shift stops being a threat and starts being your edge.

Prompt Engineering & LLM Integration

Honestly, competitors are already using AI to draft reports in 10 minutes that used to take 2 hours. Mobile developers who figure out how to effectively use Large Language Models (LLMs) and integrate them into their workflows will outproduce their peers significantly. It's not just about using Copilot; it's about knowing how to make AI do complex, multi-step tasks.

  • Context Windows & Token Limits
  • Temperature Settings for Tasks
  • RAG Architectures
  • Output Validation & Hallucination Detection
  • Prompt Chaining for Complex Tasks

Cross-Platform Native Integration (e.g., KMP, Swift Package Manager)

While we currently use X or Y, the industry is constantly looking for ways to share more code without sacrificing native quality. Technologies like Kotlin Multiplatform (KMP) or advanced Swift Package Manager usage are blurring the lines, and knowing how to build shared native modules will be a huge advantage for performance and consistency.

  • Shared Business Logic
  • Platform-Specific Implementations
  • Build System Integration
  • Dependency Management
  • Testing Shared Code

13What you’ll use

What you’ll use

Skills this role draws on

Technical

  • Agile/Scrum Methodologies
  • Mobile UI/UX Principles & Implementation
  • API Integration & RESTful Principles
  • State Management Patterns
  • Unit & UI Testing Strategy
  • App Store Release Management & Automation

14The pathway

The pathway

How you actually get there, here

How you become one varies far more by country than what one does. This is the UK route. Most people take one of these ways in; the right one depends on where you're starting from.

  1. 1

    Mobile Developer (L2) to Senior Mobile Developer (L3)

    2-3 years as an L2

    Skills to master

    • Independently delivering medium-to-complex features, taking ownership of code quality, beginning to mentor juniors informally, and proactively identifying technical improvements.

    You're ready to move on when

    • Consistently delivers assigned work with high quality and minimal supervision.
    • Proactively identifies and solves technical challenges without constant guidance.
    • Provides helpful and constructive feedback during code reviews for peers.
    • Demonstrates a deep understanding of the mobile codebase and architectural patterns.
  2. 2

    Backend Developer (L2/L3) to Senior Mobile Developer (L3)

    3-5 years, often with a dedicated 'mobile transition' period

    Skills to master

    • Learning mobile-specific UI/UX principles, mastering native platform SDKs (Swift/Kotlin), understanding mobile performance constraints, and adapting to mobile release cycles.

    You're ready to move on when

    • Has built and shipped at least one personal mobile application.
    • Demonstrates strong understanding of API integration from a mobile perspective.
    • Shows a keen interest and aptitude for learning mobile-specific frameworks and tools.
    • Can translate backend data models into efficient mobile representations.
  3. 3

    Full-stack Developer (L2/L3) to Senior Mobile Developer (L3)

    2-4 years, with a focus on mobile specialisation

    Skills to master

    • Deepening expertise in mobile-specific state management, UI testing, and platform nuances. Moving from generalist to mobile specialist.

    You're ready to move on when

    • Has significant experience with front-end frameworks (e.g., React, Vue) and can apply similar principles to mobile UI development.
    • Demonstrates a strong desire to specialise in mobile and contribute to the mobile ecosystem.
    • Can articulate the differences and challenges of mobile vs. web development.
    • Has a solid grasp of data flow and architecture across different layers.

15Where this role leads

The long view: From here, the path can lead to Director of Mobile Engineering, leading mobile teams and strategy, or Principal Mobile Engineer, setting technical direction as a senior specialist.

The ten Future Fluencies

Zavmo analysis

The credential is what you can do today. These are what keep you valuable.

A qualification proves you can do the job as it's defined today. These ten are what decide whether you're still the obvious person for it in five years. They're the capabilities employers are now writing into senior roles faster than people are learning them. Zavmo weaves them through whatever you study, so you come out with both: the credential and the fluency.

The highlighted ones are the Fluencies your role leans on hardest, from how Senior Mobile Developer is actually changing.

Where it leads

Roles this leads to

Also named as a next step, with no page in the catalogue yet:

  • Staff Mobile Developer / Mobile Tech Lead (L4)

How you would learn this

One to one, on the work you already do

A tutor sets the task against your own job and marks the reasoning, at your pace. There is no cohort to fall behind.

A lesson from Mobile Applications, worked against Senior Mobile Developer.

Mobile Applications Level 5

Applied to your work in Senior Mobile Developer

This unit aims to equip learners with the skills to design and develop user interfaces for mobile applications, implement functionalities using appropriate programming languages and SDKs, create responsive designs, and develop, test, debug, and deploy mobile applications across multiple devices.

How the thinking builds
  1. 1 Remember
  2. 2 Understand
  3. 3 Apply
  4. 4 Analyse
  5. 5 Evaluate
  6. 6 Create
An illustration of a Zavmo lesson, built from this role’s own route. The unit, its objective and every criterion above are the awarding body’s own words, not an example.

It is £70 a month, billed monthly. Your free first module is Future Fluency, and you can cancel any time.

Start my Senior Mobile Developer plan, free
See Your Progress Grow Illustration
Senior Mobile Developer
  • Agile/Scrum Methodologies
  • Mobile UI/UX Principles & Implementation
  • API Integration & RESTful Principles
  • State Management Patterns
  • Unit & UI Testing Strategy
  • App Store Release Management & Automation
This is your Mind Palace on learn.zavmo.ai. Every skill above comes from this role's own record, not an example borrowed from another job. A node lights up when you evidence it, and what you build stays yours between jobs. That is the part a course cannot do.

16The detail, folded away

Everything else the record holds

The career branches in full, how AI is already showing up in the day-to-day, and the questions people ask about this job. Here when you want them, out of the way while you decide.

Where it leads next, rung by rung

Where it leads

The career path, and where it branches

Senior Mobile Developer is a start, not a ceiling. Each step below asks for new skills and hands back more autonomy.

  1. Staff Mobile Developer / Mobile Tech Lead (L4)

    3-5 years as Senior Mobile Developer

    This is a significant step, moving from leading features to leading entire technical initiatives and shaping architectural strategy.

    • Mobile Architecture Design Designing the architecture for new apps or major features from scratch.
    • Technical Debt Management Proactively identifying, prioritising, and leading efforts to reduce technical debt.
    • Build System Optimisation Owning and optimising the entire mobile build infrastructure and CI/CD pipelines.
    • Platform Strategy Evaluating new mobile technologies and making recommendations for adoption or deprecation.

  2. Mobile Engineering Manager (L5)

    4-6 years as Senior Mobile Developer (often after a stint as Tech Lead)

    This path shifts from individual contribution and technical leadership to people management, team building, and operational oversight.

    • Organisational Design Structuring mobile teams for optimal productivity and growth.
    • Process Improvement Designing and implementing efficient mobile development workflows.
    • Vendor Management Evaluating and managing relationships with external mobile development partners or tool providers.
    • Budget Management Owning the budget for mobile tools, resources, and headcount (up to £500K-£2M).
Working with AI on the job

Working with AI

Where AI is starting to help

Let's be real, mobile development has its tedious bits. But what if you could offload some of that grunt work and focus on the really interesting, challenging problems? That's where AI comes in. We're not talking about replacing you; we're talking about giving you a serious productivity boost.

We're investing in AI tools to help our mobile developers work smarter, not harder. For a Senior Mobile Developer, this means less time on boilerplate, less frustration with cryptic errors, and more time for architectural design, complex problem-solving, and mentoring. Think of AI as your super-smart pair programmer, always ready to help.

Boilerplate Code Automation

Use tools like GitHub Copilot to instantly generate repetitive code for data models from JSON, networking layers, or simple list/detail screens. Just write a comment describing what you need, and watch the code appear. This frees you up for the interesting logic.

Cryptic Error Resolution

Ever stared at an obscure build error from Xcode or Gradle for an hour? Paste it into ChatGPT-4 or Claude. Get instant explanations of what the error means, common causes, and a list of solutions to try. It's like having a senior expert on call 24/7.

Unit Test Generation

Right-click a function and have an AI tool like CodiumAI generate a comprehensive suite of unit tests. It'll cover edge cases, null inputs, and expected outcomes, dramatically increasing your code coverage and confidence, especially for those complex modules you're owning.

PR & Release Note Drafting

Use AI to scan your code changes and automatically draft a clear, concise summary for your pull request description. Or, generate user-facing release notes for the App Store, saving you time and ensuring consistent, engaging communication. No more staring at a blank page.

Common questions

Common questions

How do you become a Senior Mobile Developer?

Common routes in include Mobile Developer to Senior Mobile Developer (2-3 years as an L2), Backend Developer (L2/L3) to Senior Mobile Developer (3-5 years, often with a dedicated 'mobile transition' period) and Full-stack Developer (L2/L3) to Senior Mobile Developer (2-4 years, with a focus on mobile specialisation). Times vary with prior experience.

Where can a Senior Mobile Developer progress to?

This role can lead on to Staff Mobile Developer / Mobile Tech Lead (3-5 years as Senior Mobile Developer) and Mobile Engineering Manager (4-6 years as Senior Mobile Developer (often after a stint as Tech Lead)), depending on the skills you build.

What new skills matter most for a Senior Mobile Developer?

Increasingly, Prompt Engineering & LLM Integration and Cross-Platform Native Integration (e.g., KMP, Swift Package Manager). These are the skills our record of this role lists as growing.

Free tools

Want a read on where you stand?

Three free tools, no account needed. Each one ends with a role, a level and a way in.

Read the Zavmo manifesto to understand how you will be taught Meet your tutors

Or try another one

17Where to go from here

Other roles at Level 5

Same depth of qualification, different job. Useful if the work appeals but this particular role does not.

 More jobs in technology and data

Stay in the field you know and move sideways rather than up.
If you leave this industry

The skills built as a Senior Mobile Developer transfer across industries such as FinTech, HealthTech, e-commerce and media. Experience with native platforms, cross-platform frameworks, performance and user experience is useful wherever mobile products are built.

This role profile is © 2026 Growth Engineering Technologies Ltd. Built from UK occupational standards and regulated qualification data, and written for Zavmo.

You're not behind. You're right on time. The shift is only just beginning. Your role won't look the same in two years. Be the one who leads the change, not the one it happens to. Start my Senior Mobile Developer plan, free What happens next: a free account, then we build your plan as you set up. No card. Build your plan, see your roadmap and meet the twelve tutors matched to you. All free. When you're ready to start learning, it's £70 a month, billed monthly. Cancel any time and billing stops.