Senior React Developer

Senior React Developer

📍 Location: Sofia, Bulgaria

🏢 Work Model: Hybrid (3 days in the office, 2 days remote)

We're a recruitment agency hiring on behalf of our client for a full-time, permanent position. Our client is a leading European product-based fintech, building cutting-edge financial products and services for a global client base.

About the Role:

We're looking for an experienced Senior React Developer to join a high-performing engineering team building scalable web and mobile applications used by millions of users globally. You'll work in a collaborative environment where ownership, innovation, and AI-driven development are part of everyday work.

What You'll Do

• Design, build and maintain high-quality React and React Native applications for web and mobile platforms.
• Transform UI/UX designs into responsive, user-friendly, and technically sound applications.
• Enhance existing features, improve application performance, and support internal tools.
• Write clean, maintainable, and well-tested code while contributing to CI/CD and code quality initiatives.
• AI-First mindset: Leverage AI throughout the software development lifecycle. Daily use of Anthropic's Claude (via Claude Code) is an integral part of development, alongside strong engineering judgment to validate and refine AI-generated output.
• Collaborate with cross-functional teams, share technical knowledge, and promote engineering best practices.
• Work within small, autonomous teams delivering features through short development cycles.

What We're Looking For

• 7/8 years of professional experience with React and Redux.
• 2 years of hands-on experience with React Native and mobile application development.
• Strong proficiency in JavaScript and TypeScript.
• Experience with modern frontend tooling, including Webpack, Babel, Jest, Enzyme, and Metro.
• Solid understanding of software architecture, design patterns, and scalable frontend development.
• Strong analytical and problem-solving abilities with excellent attention to detail.
• Ability to manage multiple priorities in a fast-paced, agile environment.
• Excellent communication skills with the ability to explain technical concepts to non-technical stakeholders.
• Strong understanding of UX principles, including Responsive Design, Mobile-First Development, Adaptive Interfaces, and Accessibility.

Why join?

🏡Hybrid model (2 remote days/week)

📄Full-time & permanent position

💰Annual performance bonus

🏥 Health insurance

🎁Customizable benefits package

🍎 Modern office, snacks, sports card & more

Interested? Let's connect!