Senior Mobile Software Developer Engineer in Test at Hargreaves Lansdown — BranchFactor

Original posting

Excited to grow your career?

Our purpose is to make it easy for people to save and invest for a better future. We are looking for great people to join us, so please come and invest in YOUR future at Hargreaves Lansdown.

We know that sometimes people can be put off applying for a job if they don't tick every box. If you're excited about working for us and have most of the skills or experience we're looking for, please go ahead and apply. We’d love to hear from you!

About the role

We are looking for a Mobile Software Developer Engineer in Test to join our cross-functional engineering team.

This is a great opportunity for a mid-level QA professional who enjoys a blend of manual testing, exploratory testing, and test automation. You will work closely with Product Managers, Designers, React Native Mobile Developers, and QA colleagues to ensure the quality of our mobile applications and shared platform capabilities.

You'll help drive quality throughout the development lifecycle by participating in requirements discussions, creating test plans, executing functional and exploratory testing, and expanding our automated test coverage.

What You'll Do

Perform manual testing of new features, enhancements, and bug fixes across iOS and Android applications.
Create and execute test plans, test cases, and exploratory testing activities.
Work closely with developers during feature development to identify quality risks early.
Build and maintain automated tests for critical user journeys using our existing automation frameworks.
Validate integrations with APIs and backend services.
Participate in sprint planning, refinement, and release activities.
Identify, document, and track defects through to resolution.
Support regression testing efforts before releases.
Contribute to improving testing practices, tooling, and quality processes across the team.
Help ensure accessibility, usability, and performance expectations are met.

What We're Looking For

Essential Skills & Experience

Experience working in a QA or Software Testing role.
Strong manual testing skills, including exploratory and regression testing.
Experience writing and maintaining automated tests.
Understanding of mobile application testing across iOS and Android platforms.
Experience testing REST APIs using tools such as Postman or similar.
Familiarity with JavaScript or TypeScript.
Understanding of Agile development methodologies.
Strong problem-solving and debugging skills.
Excellent communication and collaboration skills.

Nice to Have

Experience testing React Native applications.
Experience with automation tools such as Appium, Detox, Maestro, Playwright, or similar.
Experience with cloud device testing platforms.
Experience working with CI/CD pipelines.
Familiarity with accessibility testing.
Experience within financial services, fintech, or regulated environments.
Understanding of feature flags and progressive rollouts.
Basic knowledge of mobile build processes (Xcode and Android Studio).

What Success Looks Like

In your first few months, you'll:

Become comfortable testing HL's mobile platform and key customer journeys.
Contribute manual and automated testing to sprint deliveries.
Develop a good understanding of our quality standards and release processes.
Work collaboratively with engineers to improve test coverage and reduce production defects.
Help build confidence in releases through effective testing and risk identification.

Interview Process

Stage 1 – Screening interview (30 mins)

A brief conversation to review your experience, understand your approach to quality, and assess overall role fit.

Stage 2 – Technical take home exercise (1 week)

A take home technical test where you’ll be asked to implement automated tests for an existing React Native mobile application to ensure its quality.

Stage 3 – Code walkthrough and behavioural interview (90 mins)

We will go over your submitted take home exercise to get a better understanding of how you solve problems, also we ask some behavioural questions to make sure you’re a good fit for our team and company culture.

Package

We offer a competitive salary, depending on experience, alongside a generous performance-based bonus scheme.

Your total reward package includes:

💰 Up to 19% pension contribution - helping you plan confidently for the future
🏥 Private medical insurance - giving you peace of mind and access to top-tier healthcare
🎁 A wide range of excellent benefits, from lifestyle perks to wellbeing support, designed to help you thrive both in and out of work

We believe in recognising and rewarding the impact you make - and ensuring you feel valued every step of the way.

Working Schedule

We’re based in the stunning Paddington Central offices at 4 Kingdom Street, a modern workspace designed to energise your day and elevate collaboration.

What Makes It Special?

🌿 Landscaped rooftop gardens - perfect for a breath of fresh air or informal catch-ups.
🏀 London’s highest rooftop basketball court - yes, really!
🧘‍♀️ Wellness amenities including showers, lockers, hairdryers, and fresh towels.
🚲 Cyclist-friendly with secure bike storage and drying rooms.
🛋️ Stylish lounge areas, booths, and breakout spaces for focused work or relaxed chats.
🌊 Canalside location near Little Venice, with floating restaurants, coffee shops, and a seasonal pop-up garden bar.
🚆 Unbeatable transport links - just steps from Paddington Station and the Elizabeth Line.

We embrace a hybrid working model that gives you the best of both worlds:

2-3 days a week in the office to connect, collaborate, and enjoy everything the space has to offer.
Remote flexibility for deep focus, work-life balance, and personal productivity.

This is a full-time role, working 37.5 hours per week, Monday to Friday.

Please note, we are unable to offer sponsorship opportunities for this position.

Why us?

Here at HL, we’re the UK’s number 1 investment platform for private investors, based in Bristol. For more than 40 years we’ve helped investors save time, tax and money on their investments.

To achieve our mission, we believe we have a workplace like no other, with constant learning, dynamic teams, and a great ethos. We're steered by core values that promote service, quality, innovation, and opportunity in everything we do.

What's on offer?

Discretionary annual bonus* and annual pay review
25 days* holiday plus bank holidays and 1-day additional Christmas closure
Option to purchase an additional 5 days holiday**
Flexible working options available, including hybrid working
Enhanced parental leave
Pension scheme up to 11% employer contribution
Income Protection and Life insurance (4 x salary core level of cover)
Private medical insurance*
Health care cash plans - including optical, dental, and outpatient care
Health screening programme
Help@hand - confidential support including mental health counselling and remote GP
Wellhub - unlimited access to fitness providers and wellness coach sessions
Variety of travel to work schemes with bike storage and shower facilities
Inhouse barista and deli serving subsidised coffee and sandwiches
Two paid volunteering days per year

* dependant on role level

** only available to select during our annual benefits window, in November each year

Hargreaves Lansdown is an inclusive employer that values diversity in its workforce. We encourage applications from all individuals without regard to race, religion, gender, sexual orientation, national origin, disability or age.

This role may also be available on a flexible working or part time basis – please ask the Recruitment & Onboarding team for more information.

Please note, we are unable to provide employment sponsorship to candidates.

BranchFactor Summary

Excited to grow your career?

Our purpose is to make it easy for people to save and invest for a better future. We are looking for great people to join us, so please come and invest in YOUR future at Hargreaves Lansdown.

Perform manual testing of new features, enhancements, and bug fixes across iOS and Android applications.

Create and execute test plans, test cases, and exploratory testing activities.

Work closely with developers during feature development to identify quality risks early.

Build and maintain automated tests for critical user journeys using our existing automation frameworks.

Validate integrations with APIs and backend services.

Participate in sprint planning, refinement, and release activities.

Identify, document, and track defects through to resolution.

Support regression testing efforts before releases.

Contribute to improving testing practices, tooling, and quality processes across the team.

Help ensure accessibility, usability, and performance expectations are met.

Experience working in a QA or Software Testing role.

Strong manual testing skills, including exploratory and regression testing.

Experience writing and maintaining automated tests.

Understanding of mobile application testing across iOS and Android platforms.

Experience testing REST APIs using tools such as Postman or similar.

Familiarity with JavaScript or TypeScript.

Understanding of Agile development methodologies.

Strong problem-solving and debugging skills.

Excellent communication and collaboration skills.

Experience testing React Native applications.

Experience with automation tools such as Appium, Detox, Maestro, Playwright, or similar.

Experience with cloud device testing platforms.

Experience working with CI/CD pipelines.

Familiarity with accessibility testing.

Experience within financial services, fintech, or regulated environments.

Understanding of feature flags and progressive rollouts.

Basic knowledge of mobile build processes (Xcode and Android Studio).

Become comfortable testing HL's mobile platform and key customer journeys.

Contribute manual and automated testing to sprint deliveries.

Develop a good understanding of our quality standards and release processes.

Work collaboratively with engineers to improve test coverage and reduce production defects.

Help build confidence in releases through effective testing and risk identification.

A brief conversation to review your experience, understand your approach to quality, and assess overall role fit.

A take home technical test where you’ll be asked to implement automated tests for an existing React Native mobile application to ensure its quality.

We will go over your submitted take home exercise to get a better understanding of how you solve problems, also we ask some behavioural questions to make sure you’re a good fit for our team and company culture.