Johnpaul Chukwu

• Led the maintenance efforts of a high-volume Core Banking service, optimizing its performance and reliability to seamlessly process billions of transactions daily.
• Orchestrated the development and management of card services, empowering customers to make secure and efficient payments using their cards.
• Engineered the robust dispute management service, significantly reducing resolution times and elevating customer satisfaction by efficiently resolving card-related issues.
• Enhanced system scalability by 40% through microservices development of existing monolithic services
• Played a pivotal role in team leadership, guiding and mentoring fellow members to deliver exceptional results and foster a culture of excellence.
• Technologies used: React, Java, Spring boot framework, Mysql, ClickHouse, AWS services,
  Jenkins, Docker, Google cloud platform, Kubernetes, Kafka, Debezium, Git, Maven

• Led development of airtime vending service, boosting mobile top-up transactions by 20% within 3 months.
• Provided crucial support in debugging and rectifying issues in legacy projects, ensuring system stability and reliability.
• Spearheaded the creation of a comprehensive test automation framework, significantly reducing testing overhead and accelerating the validation process for RESTful APIs.
• Elevated user engagement by 35% and reduced error rates by 25% through UI enhancements.

Technologies used: AngularJs, React, Java, Python, Spring boot framework, Mysql, Google Spanner, ClickHouse, Jenkins, Docker, Google cloud platform, Kubernetes, Kafka, Debezium, Git

• Helped Improve an already existing web application with the addition of new modules to it
• Co-worked with Team Members in the development of an E-Commerce Site for farm Produce
• General Maintenance and Testing of already existing systems
• Technologies used: AngularJs, Angular, PHP, Laravel framework, Mysql, Git
• Worked with software development and testing team members to design and develop robust solutions to meet client requirements for functionality, scalability, and performance.