H-Studio is a software development agency based in Europe that assists startups and established companies in creating, developing, and expanding robust digital products. Our expertise lies in bespoke web and mobile applications, scalable backend systems, and high-performance infrastructure designed to manage heavy workloads. We offer a range of technologies, from real-time data streaming and fintech integrations to intuitive websites and cross-platform applications, ensuring reliable performance even under high pressure. Our team possesses extensive knowledge of modern, production-ready technologies such as React, Next.js, Kotlin, Python, Java, Go, Rust, Docker, Kubernetes, and Kafka. We excel in designing fault-tolerant backend systems capable of processing millions of messages per second, supporting event-driven architectures, and enabling real-time analytics. For front-end development, we prioritize creating sleek, responsive interfaces that are optimized for speed, SEO, and accessibility. Our diverse portfolio spans various sectors, including fintech, eCommerce, proptech, logistics, and gaming, featuring projects such as biometric authentication for Sberbank and an event platform capable of managing over 10,000 concurrent users. Our work encompasses web and mobile platforms, visually-driven websites, and integrations with banking APIs, payment processors, Telegram bots, and headless CMSs. Whether you are launching a minimum viable product (MVP) or enhancing enterprise infrastructure, H-Studio merges strategic planning with technical expertise to deliver scalable, secure, and sustainable solutions. We aim to be genuine development partners, centered on your growth, performance, and product success.