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 Join HL and be part of the team, building software for the UK’s largest investment platform. Hargreaves Lansdown (HL) – the UK’s number one platform for private investors, trusted by 1.9 million clients with over £155 billion in savings and investments. For over 40 years, HL has been helping people save and invest for a better future, earning over 200 industry awards, including Best Investment App and Best for Customer Service in 2024. Our solutions are used daily by millions of clients, helping to power the operations of a leading financial institution. Our culture is built on innovation, knowledge sharing, and continuous improvement—and we're looking for talented engineers to join a team developing mobile products using React Native and TypeScript. We are looking for a Software Engineer to help support our dedicated, friendly and growing Trading Team to deliver critical new functionality to our clients and internal users. If you enjoy working with clean architecture, modern technologies, and being part of a supportive team that learns from each other, we’d love to hear from you! Why join us? New products, no maintenance – focus on building innovative solutions from scratch, using the latest technologies. Healthy work-life balance – we value your time, which means no overtime culture. Be part of something big – your work directly supports a leader trusted by millions. Supportive, knowledge-sharing team – collaborate with experienced engineers who are passionate about clean code, best practices, and continuous learning. Modern tools & technologies – develop enterprise-scale solutions in a tech-driven environment. Your responsibilities Develop and maintain mobile applications using React Native, React and TypeScript Integrate with backend services via REST API and/or GraphQL Work with React Native’s new architecture, applying best practices for scalability and performance Write unit and integration tests using tools like Jest, Detox, and Testing Library Optimize the performance of mobile applications Implement and manage state management solutions (e.g., Redux, Mobx ) Collaborate with backend teams and designers to ensure consistency and high-quality deliverables Contribute to CI/CD processes and support build automation Troubleshoot complex technical issues and help scale mobile applications Actively participate in the Scrum process (stand-ups, retrospectives, and technology discussions). Propose ideas, contribute to technology choices, and present solutions to the team Ideal candidate have At least 3 years of experience working with React, React Native and TypeScript including e nterprise-grade experience (experience with large app decomposition, layers separation, and scalable architecture for enterprise-level applications). Familiarity with different styling solutions (StyleSheet, Styled Components, Unistyles). Efficient React Native debugging skills — ability to troubleshoot and resolve complex issues with React Native applications using debugging tools, logs, and error tracking. Practical knowledge of JavaScript and testing frameworks (Jest, Detox, Testing Library). Experience in Brownfield Development. Experience working with REST API and GraphQL. Understanding of state management patterns and solutions like Redux and Mobx. Experience with React Native’s new architecture. Knowledge of native iOS development (Swift, SwiftUI, Combine) and Android development (Kotlin). Proficiency in using native build tools like Xcode, Gradle, and Android Studio. C1-level proficiency in both English and Polish – you will use both languages in all aspects of your daily work Nice to have Knowledge of CI/CD processes in software development. Experience integrating mobile apps with external services. Experience with TurboModules and TurboComponents. Experience with accessibility (a11y) best practices in mobile apps, including WCAG compliance and keyboard navigation support. Experience with UX/UI design best practices. Soft skills & team fit Collaborative and communicative – you work well with others, share knowledge, and express ideas clearly. Solution-oriented and creative – you tackle challenges with practical, innovative solutions. Quality-driven with a continuous improvement mindset – you take pride in delivering clean, secure, and maintainable code while seeking ways to improve. Eager to learn and adapt – you embrace new ideas and grow with your team. Comfortable in Agile environments – you thrive in cross-functional collaboration and value constructive feedback. 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 out patient care Health screening programme Help@hand - confidential support including mental health counselling and remote GP Wellhub - unlimited access to fitness provider s and w ellness c oach sessions Variety of travel to work schemes with bike storage and shower facilities Inhouse barista and deli serving subsidised coffee and sandwiches T wo 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.