ajayi olatunji

I am a Backend Engineer with over 5 years of experience in designing and optimizing scalable, high-performance systems. My passion lies in building reliable distributed systems, improving API efficiency, and ensuring security in applications. I have a strong problem-solving mindset and have worked in fast-paced, highly regulated industries, which has honed my ability to tackle complex engineering challenges.

In my current role at Pepster Limited, I led the development of a high-throughput matching service that achieved 95% accuracy, utilizing real-time WebSocket communication and event-driven architecture. My experience includes designing horizontally scalable microservices on AWS, implementing distributed rate-limiting, and building a real-time presentation attack detection system that eliminated fake profiles. I am committed to delivering secure and efficient solutions that enhance user experience and system reliability.

Throughout my career, I have developed a fault-tolerant payment processing system and optimized cross-border payment routing, significantly reducing transaction failures. I have also contributed to open-source projects, enhancing packaging tools for scalable environments. I am eager to leverage my skills and experience to drive innovation and efficiency in my next role.