Irfan Haider

• Design and implement a PKI (Public Key Infrastructure) based digital signature creation and verification system using Java and open source technologies, reducing the time it takes to verify signatures. • Write, test, and maintain Java code for various applications and systems, producing an average of 500 lines of code. • Troubleshoot and debug software issues as they arise, work with the team to identify and fix bugs and performance issues, reducing the number of software bugs by 25%.

• Developed features for CRM (UNISON) software using Java and Oracle SQL. A web-based portal designed for agents of a bank to handle customer complaints, queries, and e-forms for requests such as credit/debit card renewal. • Automated e-form processing for customer requests, reducing processing time by 20%. • Enhanced UNISON web interface according to the requirements of the State Bank of Pakistan for all clients of the employer and also managed 24/7 production support to ensure no downtime for the users.

• Contributed to the development of the AJCL project, a comprehensive truck vehicle management system. • Used JWT authentication and authorization to protect private user data, reducing the number of logins required to one, and increasing user satisfaction. • Integrated email, SMS and push notifications/ alerts, generating a 25% increase in user retention rate for the product.