Job Detail

Senior Software Engineer (React Native) - UCX

Web Development Full–time
ID: #4575
Posted: 2026-03-04
Salary

Description

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 HL is the UK’s largest direct-to-consumer savings and investment platform, trusted by over 2 million clients and administering more than £172 billion in assets. Founded in 1981 and headquartered in Bristol, our purpose is to help people achieve financial freedom by providing a single, secure home for their savings and investments. We continue to accelerate its digital transformation leveraging data, cloud driven technologies, AI, and modern technology to deliver personalised, world-class financial experiences at scale. With over 40 years of industry leadership and an award-winning service, we remain a market-leading financial services innovator committed to empowering clients to save and invest with confidence. Role Overview As a Senior Software Engineer, 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 Engineers, 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 • 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 Interview (60–90 mins) A hands-on deep dive into your React Native expertise, covering coding, architecture, and problem-solving. Stage 3 – System Design (60–90 mins) A high-level design discussion where you outline how you’d architect and scale a complex mobile feature or system. 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.

Hard Skills 9
Skill Source Confidence
JavaScript llm_hard
100%
ES6+ (Arrow Functions, Template Literals, Destructuring, Modules, Promises, Async/Await) llm_hard
100%
React llm_hard
100%
RESTful APIs llm_hard
100%
API Integration llm_hard
100%
Debugging Tools llm_hard
100%
Performance Optimization llm_hard
100%
GraphQL llm_hard
100%
CI/CD llm_hard
80%
Soft Skills 16
Skill Source Confidence
Problem-Solving llm_soft
100%
Mentoring llm_soft
100%
Collaboration llm_soft
100%
Cross-Functional Communication llm_soft
100%
Analytical Thinking llm_soft
80%
Adaptability llm_soft
80%
Learning Agility llm_soft
80%
Responsibility llm_soft
80%
Time Management llm_soft
80%
Organization Skills llm_soft
80%
Self-Motivation llm_soft
80%
Initiative llm_soft
80%
Drive llm_soft
80%
Technical Writing llm_soft
80%
Decision-Making llm_soft
80%
Teamwork llm_soft
80%
Apply Options
Publisher Direct Link
Built In London No Apply
Experteer UK No Apply
Built In No Apply
Haystack No Apply
Jobijoba UK No Apply
South East Jobs No Apply
Talent.com No Apply
TechJobs.co.uk No Apply
Built In London No Apply
API Logs for this Job
Query Country Status Response ms Created
Senior Software Engineer (React Native) - UCX extracted 12050 2026-03-22 00:24
Senior Software Engineer (React Native) - UCX classified 505 2026-03-21 19:46
junior react developer in London gb processed 24682 2026-03-21 15:46
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  "job_description": "Excited to grow your career?\n\nOur 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.\n\nWe 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!\n\nAbout the role\n\nHL is the UK’s largest direct-to-consumer savings and investment platform, trusted by over 2 million clients and administering more than £172 billion in assets. Founded in 1981 and headquartered in Bristol, our purpose is to help people achieve financial freedom by providing a single, secure home for their savings and investments.\nWe continue to accelerate its digital transformation leveraging data, cloud driven technologies, AI, and modern technology to deliver personalised, world-class financial experiences at scale. With over 40 years of industry leadership and an award-winning service, we remain a market-leading financial services innovator committed to empowering clients to save and invest with confidence.\n\nRole Overview\n\nAs a Senior Software Engineer, 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.\n\nYou’ll have the opportunity to influence architectural decisions, mentor other Engineers, and drive best practices across our mobile engineering discipline.\n\nWhat You’ll Do\n• Build and maintain a high-quality React Native application.\n• Architect scalable mobile solutions that meet the demands of financial applications (security, performance, reliability).\n• Integrate with RESTful and GraphQL APIs and collaborate closely with backend teams.\n• Optimize app performance, including memory usage, load times, and smooth UI interactions.\n• Implement high-security standards such as encryption, biometrics, and secure data storage.\n• Lead code reviews, share best practices, and mentor junior developers.\n• Work cross-functionally with designers, PMs, and QA to deliver features end-to-end.\n• Stay up to date with the latest in React Native and mobile technologies.\n\nWhat We’re Looking For\n• 8+ years of professional mobile development experience, with 5+ years using React Native.\n• Strong knowledge of JavaScript/TypeScript, ES6+ features, and modern React patterns.\n• Experience integrating third-party libraries, analytics tools, and mobile SDKs.\n• Strong understanding of secure mobile development, especially within financial or regulated environments.\n• Familiarity with state management.\n• Experience with CI/CD pipelines for mobile apps.\n• Strong debugging skills, including performance profiling and memory optimization.\n• Excellent communication skills and experience working in agile environments.\n\nNice to Have\n• Experience with native iOS (Swift) or Android (Kotlin/Java).\n• Experience in fintech or banking applications.\n• Familiarity with feature driven modular architecture.\n• Experience working with feature flags.\n• UI automation testing experience.\n\nInterview Process\n\nStage 1 – Discussion with our Hiring Manager (30 mins)\n\nA brief conversation to explore your background, motivations, and fit for the team and role.\n\nStage 2 – Technical Interview (60–90 mins)\n\nA hands-on deep dive into your React Native expertise, covering coding, architecture, and problem-solving.\n\nStage 3 – System Design (60–90 mins)\n\nA high-level design discussion where you outline how you’d architect and scale a complex mobile feature or system.\n\nPackage\n\nWe offer a competitive salary, depending on experience, alongside a generous performance-based bonus scheme.\n\nYour total reward package includes:\n• 💰 Up to 19% pension contribution - helping you plan confidently for the future\n• 🏥 Private medical insurance - giving you peace of mind and access to top-tier healthcare\n• 🎁 A wide range of excellent benefits, from lifestyle perks to wellbeing support, designed to help you thrive both in and out of work\n\nWe believe in recognising and rewarding the impact you make - and ensuring you feel valued every step of the way.\n\nWorking Schedule\n\nWe’re based in the stunning Paddington Central offices at 4 Kingdom Street, a modern workspace designed to energise your day and elevate collaboration.\n\nWhat Makes It Special?\n• 🌿 Landscaped rooftop gardens - perfect for a breath of fresh air or informal catch-ups.\n• 🏀 London’s highest rooftop basketball court - yes, really!\n• 🧘‍♀️ Wellness amenities including showers, lockers, hairdryers, and fresh towels.\n• 🚲 Cyclist-friendly with secure bike storage and drying rooms.\n• 🛋️ Stylish lounge areas, booths, and breakout spaces for focused work or relaxed chats.\n• 🌊 Canalside location near Little Venice, with floating restaurants, coffee shops, and a seasonal pop-up garden bar.\n• 🚆 Unbeatable transport links - just steps from Paddington Station and the Elizabeth Line.\n\nWe embrace a hybrid working model that gives you the best of both worlds:\n• 2–3 days a week in the office to connect, collaborate, and enjoy everything the space has to offer.\n• Remote flexibility for deep focus, work-life balance, and personal productivity.\n\nThis is a full-time role, working 37.5 hours per week, Monday to Friday.\n\nPlease note, we are unable to offer sponsorship opportunities for this position.\n\nWhy us?\n\nHere at HL, we’re the UK’s number 1 investment platform for private investors, based in Bristol. 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