S-PRO, a top-tier Digital Innovation and Software Engineering company. We specialise in providing cutting-edge services for fast-growing businesses and enterprises, with a strong focus on Finance, Renewable Energy and Healthcare domains and expertise in AI, Blockchain and Data Science. Our team of over 200 dedicated professionals works tirelessly across our global offices to develop innovative digital solutions that drive sustainable business value and increase our client’s competitiveness in a dynamic digital landscape. About the project: Our mission is to help users automate and understand their tax obligations using AI. We're building an intuitive assistant that provides actionable insights, reduces manual input, and connects seamlessly with accounting ecosystems. Problem Tax reporting is complex and stressful for SMEs, freelancers, and individuals. Multiple systems: invoices, ZUS, PIT, VAT. Mistakes → penalties, wasted time, higher costs. Solution AI-powered tax assistant app. Automates invoice scanning, categorization, and tax calculation. Provides clear payment deadlines & account numbers. Real-time insights into income, ZUS, VAT, PIT obligations. Responsibilities: * Collaborate with the team to build a mobile application * Write a new mobile app using React Native and Expo, ensuring smooth performance and maintainable architecture * Improve and extend the app’s functionality, including optimization of payment processing * Ensure high-quality, pixel-perfect UI implementation based on provided designs * Participate in planning, discovery, and implementation of new features * Take ownership of feature development end-to-end, including testing and documentation Requirements: * 3+ years of experience with React Native * Solid knowledge of React * Hands-on experience with functional components, React Hooks, TanStack Query, Reanimated * Experience with Expo and EAS * Ability to create pixel-perfect UI and troubleshoot performance issues * Understanding of software architecture patterns such as MVC, MVP, MVVM, and Clean Architecture Nice to Have: * Experience working in the fintech domain * Familiarity with Expo Router Stages of Interview: 1. Interview with a Recruiter (30 minutes); 2. Technical Interview (1,5 hour); 3. Interview with Delivery Manager (1 hour). 4. Offer call. What we offer: * Long team focus: we create an environment of transparent communication, and minimal bureaucracy, which leads to long-term relationships. * Development of niche expertise: we are working in several niches, such as FinTech, healthcare, and logistics. Therefore, our employees can develop their own expertise in these domains. * Continuous learning: we create employee development plans / personal roadmaps /quick promotion processes. * Internal career development: 80% of our current executives were promoted to those positions within S-PRO. We encourage initiative. If a person wants to set new challenges and grow, we will definitely support them. Benefits and perks: * Flexible schedule. * Remote work model. * Medical insurance * Paid vacations * Paid Sick-leaves. * Paid State holidays.