Senior React Native Engineer

Senior React Native Engineer Miejsce pracy: Kraków Your responsibilities Your role in the Team Join our dynamic Frontend Engineering team with a focus on our institutional business where we're revolutionizing trading through innovative React Native applications for mobile and web. You'll be instrumental in delivering seamless, high-performance mobile experiences that empower traders to make split-second decisions in fast-moving financial markets. Our team is at the forefront of frontend fintech innovation, directly impacting how hundreds of thousands of users engage with trading platforms daily. What you’ll do • Participate in the development of complex React Native features for our award-winning trading platforms, ensuring optimal performance and user experience. • Architect scalable mobile solutions that handle real-time financial data streams and high-frequency trading operations • Collaborate with cross-functional teams including backend engineers, designers, and product managers to deliver features that drive business growth • Provide a focus for changes needed within the Prime institutional business allowing adaption for multiple brands to use the platform for their needs and as they prescribe • Drive mobile-first innovation, implementing cutting-edge technologies to stay ahead in the competitive fintech landscape Our requirements Who we’re looking for? • Frontend Specialist : Someone who can deliver sophisticated React Native applications that handle complex financial data and real-time market updates • Performance Optimization Expert: A developer passionate about creating lightning-fast mobile experiences that can process high-frequency trading data without compromise • Cross-Platform Specialist: Experience building robust applications that work seamlessly across iOS and Android while maintaining native-level performance • Financial Technology Enthusiast: Interest in fintech domain with understanding of trading platforms, market data, and the unique challenges of financial mobile applications • Collaborative Attitude: Proven ability to work in agile, cross-functional teams and driving technical excellence • Quality-Focused Developer: Strong advocate for testing, code quality, and engineering best practices in a regulated financial environment What you’ll need • 5 years of React Native development experience with a proven track record of delivering production mobile applications • Experience with React Native Web is a plus. • Strong expertise in JavaScript/TypeScript, React hooks, Redux/Context API, and mobile development best practices • Experience with native mobile development (iOS/Android) and ability to write custom native modules when needed • Solid understanding of react performance optimization, including memory management, rendering optimization, and efficient API integration • Experience with real-time data handling, WebSocket connections, and high-frequency data updates in mobile environments • Knowledge of mobile CI/CD pipelines, specially Gitlab, automated testing frameworks, and app store deployment processes • Familiarity with financial services or trading platforms is highly desirable but not essential • Bachelor's degree in Computer Science, Engineering, or equivalent practical experience What we offer Home office equipment reimbursement Performance relate bonus Private medical cover for you and your family/partner (Medicover) Multikafeteria system (you can choose a multisport card, vouchers, etc.) Life insurance (Generali) LinkedIn Learning platform free access Share Plans for Employees Employee-led LGBTQ, Women’s, Black, and Parents & Carers networks with an annual budget for organizing events & projects that foster an open, diverse, and inclusive culture Career-focused technical and leadership training in-class and online, incl. unlimited access to LinkedIn Learning platform Well-being events as well as Employee Assistance Programme Summer picnic, New Year party and other social events 3 additional days off a year - 1 to celebrate your Birthday and 2 for voluntary work App-based parking spots booking system Stretching sessions Wellbeing weeks Benefits sharing the costs of sports activities private medical care sharing the costs of professional training & courses life insurance flexible working time fruits integration events retirement pension plan corporate library no dress code video games at work coffee / tea parking space for employees leisure zone extra social benefits charity initiatives birthday off Multikafeteria system Join the game-changers You will be joining our welcoming, collaborative Platform Enablement Team which is enabling IG to deliver more with better quality and great consistency while adhering to industry best practices. Who we are We’ve been changing the financial services game since we were founded in 1974, when we invented a whole new category of trading. Today, we’re the world’s No.1 spread betting and CFD provider, with operations in 20 countries across five continents and over 400,000 active clients worldwide. But we know our success is only possible because of our people, who we encourage and empower to be brave, determined and inventive. Join us if you’d like to work in an inclusive, collaborative team that will recognise your talent and allow it to shine. How we work We try to take a thoughtful approach to our ways of working as a company. We follow a hybrid working model with 3 days in the office which we think balances the need to collaborate effectively and connect with each other. When it comes to how we deliver, there are 5 things we want everyone to do to drive high performance, better learning and career satisfaction: • Lead and Inspire: Drives trust, alignment, and enthusiasm • Think Big: Focus on the problems that most impact commercial outcomes • Champion the client: Understand and prioritise client's needs • Deliver at pace: Push for fast, sustainable growth; • Raise the bar: Take ownership, be accountable and share feedback We believe that diversity is vital to success, it fuels creativity, drives innovation and sets us up for global success. We're committed to building teams with a variety of perspectives and skills to help us realise our vision and strategy, that's why we encourage applications from people with diverse backgrounds and experiences to join us on this journey. Learn more about our D&I approach here. What success looks like Developers find the platform intuitive and reliable — adoption grows organically. Delivery speed improves without sacrificing stability or compliance. Platform metrics and developer feedback demonstrate measurable value. The platform engineering team is motivated, trusted, and outcomes-focused. The platform is recognised internally as a key enabler of IG’s technology strategy. IG Group We’ve been at the forefront of trading innovation since 1974, taking on the challenge to deliver an unmatched experience for our clients and raise the bar for tomorrow’s opportunities. Today, we’re a global fintech company incorporating the IG, tastytrade, IG Prime, Spectrum and DailyFX brands, with a presence in 20 countries across five continents and over 400 000 active clients worldwide. But we know our success is only possible because of our people, who we encourage and empower to be brave, determined and inventive. Join us if you’d like to work in an inclusive, collaborative team that will recognise your talent and allow it to shine.

Location: Kraków, małopolskie, PL

Posted Date: 11/17/2025