Hargreaves Lansdown
Senior Software Engineer
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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
As a Senior React Native Developer, you will lead the development of our mobile applications, ensuring they are reliable, secure, scalable, and delightful to use. You’ll collaborate with product managers, designers, backend engineers, QA automation engineers to support a part of the HL platform. You’ll have the opportunity to influence architectural decisions, mentor other developers, and drive best practices across our mobile engineering discipline.
What You’ll Do
- Build and maintain a high-quality React Native application.
- Architect scalable mobile solutions that meet the demands of financial applications (security, performance, reliability).
- Integrate with RESTful and GraphQL APIs and collaborate closely with backend teams.
- Optimize app performance, including memory usage, load times, and smooth UI interactions.
- Implement high-security standards such as encryption, biometrics, and secure data storage.
- Lead code reviews, share best practices, and mentor junior developers.
- Work cross-functionally with designers, PMs, and QA to deliver features end-to-end.
- Stay up to date with the latest in React Native and mobile technologies.
What We’re Looking For
- 8+ years of professional mobile development experience, with 5+ years using React Native.
- Strong knowledge of JavaScript/TypeScript, ES6+ features, and modern React patterns.
- Experience integrating third-party libraries, analytics tools, and mobile SDKs.
- Strong understanding of secure mobile development, especially within financial or regulated environments.
- Familiarity with state management.
- Experience with CI/CD pipelines for mobile apps.
- Strong debugging skills, including performance profiling and memory optimization.
- Excellent communication skills and experience working in agile environments.
Nice to Have
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- Experience with native iOS (Swift) or Android (Kotlin/Java).
- Experience in fintech or banking applications.
- Familiarity with feature driven modular architecture.
- Experience working with feature flags.
- UI automation testing experience.
Interview Process
Stage 1 – Discussion with our Hiring Manager (30 mins)
A brief conversation to explore your background, motivations, and fit for the team and role.
Stage 2 – Technical take home exercise (1 week)
A take-home project that needs to be extended, fixed and improved which can showcase at what level your React Native ability is at.
Stage 3 – Technical interview (60–90 mins)
In the session we will walkthrough your coding challenge submission and ask you different questions around coding, architecture, security and problem-solving.
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!
- On-site café and bar with sweeping views across West London.
- 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, with Heathrow only 30 minutes away.
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.
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.
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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** (only available to select during our annual benefits window, in November each year).
- 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.
- In-house 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.
Hargreaves Lansdown is the UK's number one platform for private investors. Our purpose is to empower people to save and invest with confidence, and today, we are trusted with more than £120 billion by over 1.7 million clients. We are based in the heart of Bristol now with over 2,000 colleagues. We believe we have a workplace like no other, with constant learning, dynamic teams and a great ethos. We're steered by our core values that promote service, quality, innovation, and opportunity in everything we do.
For more information about careers at HL and to see all our vacancies, please visit our careers website.
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