Senior Frontend Engineer – Fintech & Payment Systems

🚀  At P3S Information Technologies, we build real-world fintech and payment systems used in production, handling real payment traffic and integrations with financial institutions.

We are currently looking for a Senior Frontend Engineer to be assigned to a banking / fintech client project.

This role will involve working closely with a client team on real, production-grade payment systems.

🎯 What We’re Looking For:

• 5+ years of hands-on experience in React ecosystem

• Strong experience in building scalable frontend architectures

• Deep knowledge of state management, performance optimization, and component design

• Hands-on experience in banking or fintech projects is required

• Experience with Java Spring Boot is a plus

• Ability to take ownership and drive technical decisions

• Ability to take a leading role within the frontend scope

💻 What You’ll Do:

• Design and develop scalable frontend applications using React

• Take ownership of frontend architecture and technical decisions

• Work closely with client backend teams on payment systems

• Contribute to high-traffic, production-grade systems

• Support and guide frontend development processes when needed

⚙️ Tech Stack:

• Frontend: React, TypeScript

• Backend: Java Spring Boot (collaboration level)

• Architecture: Microservices

• Tools: Git, CI/CD, Docker

⭐ Nice to Have:

• Experience in high-traffic, real-time systems

• Experience in payment systems or banking integrations

• Knowledge of performance optimization and frontend scalability

📍 Location: Istanbul / Pendik

🏢 Work Model: Hybrid

You will be working on real financial systems within a client environment, contributing directly to production systems.