Senior React Native Engineer with Native iOS / Android @ HL Tech

Join HL Tech and be part of the team, building software for the UK’s largest investment platform.

HL Tech is the technology hub of 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.

At HL Tech, we are an integral part of HL Group, working hand in hand with teams in the UK to develop software that directly supports HL’s core services. Our solutions are used daily by millions of clients, helping to power the operations of a leading financial institution.

We’re a team of 65 passionate tech professionals in Warsaw, collaborating closely with colleagues in the UK. 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. 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!

Most colleagues work remotely, but you can also work from our office in WeWork Mennica Tower in central Warsaw. Please note, all work must be performed within Poland, as remote work from abroad is not allowed.

Why join us?

• Work the way you want – fully remote from anywhere in Poland or hybrid from our modern WeWork office at Mennica Tower (Warsaw). We have solutions for regular employees and B2B.
• 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.

Benefits

Must have

Nice to have

Soft skills & team fit

Join HL Tech and be part of the team, building software for the UK’s largest investment platform.

HL Tech is the technology hub of 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.

At HL Tech, we are an integral part of HL Group, working hand in hand with teams in the UK to develop software that directly supports HL’s core services. Our solutions are used daily by millions of clients, helping to power the operations of a leading financial institution.

We’re a team of 65 passionate tech professionals in Warsaw, collaborating closely with colleagues in the UK. 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. 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!

Most colleagues work remotely, but you can also work from our office in WeWork Mennica Tower in central Warsaw. Please note, all work must be performed within Poland, as remote work from abroad is not allowed.

Why join us?

Benefits

Develop and maintain mobile applications using React Native, React and TypeScript, Frequently lead scoping of initiatives, consider boundaries and non-functional requirements, Propose ideas, contribute to technology choices, and present solutions to the team, Foster a culture of implementing commonly understood design patterns and processes, 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, Strategically improve CI / CD processes and deployment strategies, Troubleshoot complex technical issues and help scale mobile applications, Actively participate in the Scrum process (stand-ups, retrospectives, and technology discussions).] Requirements : React native, TypeScript, REST API, API, GraphQL, Redux, MobX, iOS, Swift, SwiftUI, Android, Kotlin, Xcode, Android Studio, Gradle, React, CD, WCAG, UX, UI design Additionally : Private healthcare, Private insurance, In-house trainings, Team Events, International projects, Buddy Program, Life & group insurance, Pension scheme (PPE 4%), English lessons with Native Speaker, MyBenefit Cafeteria (benefits platform), Annual bonus depending on performance, Conference & Training budget, 2 additional days for volunteering events, Copy rights, Free coffee, Bike parking, Playroom, Shower, Kitchen, Modern office, No dress code.