Our mission is to 'help people to save and invest with confidence'. We are looking for great people to come and join us, so come and invest in YOUR future at HL.
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 FTSE 100 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 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 Native and TypeScript including enterprise-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 English proficiency – you’ll use English 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.
Benefits
50% KUP for Copy rights (tax reliefs due to creative type of work)
PPE (4% HL tech contribution without employee contributions required)
Annual bonus depending on performance
Training budget
English lessons with native speakers
Private health care & Life insurance
MyBenefit Cafeteria (benefits platform)
2 additional days for volunteering events
Buddy programme
Opportunity to grow according to your level of expertise
Working with new technologies and a multi-diverse team
