Senior Mobile Reliability Engineer

About the Business

Quilter plc is a leading provider of financial advice, investments and wealth management, committed to being the UK’s best wealth manager for clients and their advisers. Quilter oversees £116.2 billion in customer investments (as at end September 2024). It has an adviser and customer offering spanning financial advice, investment platforms, multi-asset investment solutions, and discretionary fund management. The business is comprised of two segments: Affluent and High Net Worth.
Affluent encompasses the financial planning business, Quilter Financial Planning, the Quilter Investment Platform and Quilter Investors, the multi-asset investment solutions business.
High Net Worth includes the discretionary fund management business, Quilter Cheviot, together with Quilter Cheviot Financial Planning.
At Quilter we never stand still. Our foundations are rooted in our extraordinary expertise, which is trusted by hundreds of thousands of customers, but we have great ambitions to stay one step ahead and make an even greater difference to the people and communities we serve.
Our business is transforming, continually modernising, and becoming even more customer centric. So, if you want to be bold in the pursuit of your ambitions, bring new ideas, and challenge and evolve what we do, it’s the perfect time to join us!.

About the Role

Level: 4

Department: Nu Wealth

Location: Home Worker

Contract type: Permanent

NuWealth is at the forefront of fintech innovation, helping individuals achieve financial growth through cutting-edge savings and investment solutions. Our mobile apps are key to delivering a seamless user experience. To ensure our apps are stable, performant, and reliable, we are seeking a talented Mobile Reliability Engineer to join our team.

As a Mobile Reliability Engineer, you will be responsible for ensuring the stability, performance, and reliability of our mobile apps built in Kotlin (Android) and Swift (iOS). Your work will focus on identifying and resolving app crashes, optimizing performance, and implementing robust monitoring solutions. You will play a critical role in ensuring a smooth, crash-free experience for our users.

Key Responsibilities

Crash Diagnosis and Resolution

• Monitor tools like Firebase Crashlytics and Sentry to identify and prioritize app crashes.
• Debug crash logs, resolve issues, and deploy fixes across Android and iOS apps.
• Collaborate with mobile developers to test fixes on multiple devices and OS versions.

Performance Optimization

• Analyze app performance metrics (e.g., launch times, memory usage, battery consumption).
• Use tools like Android Profiler and Xcode Instruments to identify and resolve performance bottlenecks.
• Optimize API calls, UI rendering, and background tasks to improve app responsiveness.

Monitoring and Reporting

• Implement and maintain monitoring tools to track crash-free sessions, app load times, and other key metrics.
• Define and implement custom performance metrics for critical user journeys.
• Create regular performance and reliability reports for stakeholders.

Proactive Maintenance

• Refactor legacy code contributing to instability or performance degradation.
• Ensure compatibility with new OS updates and hardware releases (e.g., Android 14 or iOS 18).

Reliability Testing

• Conduct stress tests to identify edge cases and potential stability issues.
• Collaborate with QA to enhance test coverage and automation for critical app flows.

Collaboration and Communication

• Work closely with mobile developers, backend engineers, and product teams to address complex issues.
• Communicate findings and updates effectively to both technical and non-technical stakeholders.

About You

Required Skills and Experience

Technical Expertise

• Strong proficiency in Kotlin (Android) and Swift (iOS).
• Solid understanding of mobile app architecture, including memory management and threading.
• Experience with RESTful API integration and optimizing network calls.

Performance and Stability

• Hands-on experience with tools like Android Profiler, Xcode Instruments, and similar debugging platforms.
• Proven ability to optimize mobile apps for speed, responsiveness, and stability.

Monitoring and Diagnostics

• Familiarity with tools like Firebase Crashlytics, Sentry, or similar platforms.
• Experience setting up and interpreting performance and stability metrics.

Soft Skills

• Excellent problem-solving skills and attention to detail.
• Strong communication skills, with the ability to explain technical issues clearly.
• A collaborative approach to working with cross-functional teams.

Nice-to-Have Skills

• Knowledge of mobile security best practices and encryption techniques.
• Familiarity with automated mobile testing frameworks (e.g., Espresso, XCTest, Appium).
• Experience with cross-platform monitoring tools like AppDynamics or New Relic.

#LI-PM1

Inclusion & Diversity

We value diversity and strive to promote inclusivity in all aspects of our culture. We believe in equal opportunities for all, ensuring that no applicant encounters less favourable treatment based on anything but their skills, qualifications, experience, and potential. We celebrate the unique contributions of a diverse workforce and create a respectful, nurturing environment where every colleague can thrive.

Values

Do the right thing: We act with integrity and are proudly committed to going above and beyond in service of our clients and the support we provide our communities.
Always curious: We continuously seek new ideas and knowledge so we’re one step ahead of our clients’ needs. We look for inspiration everywhere and encourage experimentation, recognising that this is how we create brilliant solutions for brighter futures.
Embrace challenge: We aim high to transform our potential into meaningful outcomes. With ambition as our driving force and a steadfast commitment to growth, we succeed for the good of every generation.
Stronger together: Combining our diverse talents, we accomplish more collectively than we ever could do alone. We speak openly, actively listen, and support each other, and constructively challenge and embrace new ideas. We seek empowerment and demonstrate ownership and trust, with the confidence to make impactful decisions.

Core Benefits

Holiday: 182 hours (26 days)

Quilter Incentive Scheme: All employees are eligible to participate in incentive scheme, to incentivise business performance and their contribution.

Pension Scheme: A non-contributory company pension scheme that can be boosted through personal contributions.

Private Medical Insurance: Single cover as standard with options to increase cover to include your partner or children.

Life Assurance: 4x your salary.

Income Protection: 75% of salary, less state benefits, payable after 26 weeks of absence.

Healthcare Cash Plan: Jersey employees only

In addition to our core benefits, we offer a range of flexible benefits to UK employees that you can choose from and pay for conveniently via a salary deduction.