Chai Lakkireddy

Senior Java Developer with 7+ years of experience designing, developing, and deploying end to end enterprise-grade applications in banking, healthcare and automotive domains. Specialized in building, and deploying scalable applications through CI/CD, developing high-performance REST APIs. Proven track record of increasing system performance through SQL optimization, increasing code quality through TDD practices, and delivering high-impact solutions

Senior Java Developer at HSBC (2024-06 – Present)

Senior Java Developer at HSBC

• Designed and developed 7+ Spring Boot applications handling 10k+ transactions per day on AWS
• Reduced API response time through performance tuning, query optimization
• Built 7 Kafka consumer applications that handle 100k+ records of billing and payments data per day
• Increased unit test coverage from 65% to 85% on business critical applications
• Reduced release time by via CI/CD automation using Jenkins and Docker
• Mentored 2 junior developers and got them up to speed and contributing within 30 days of them joining

Java Developer at Mercedes-Benz (2023-08 – 2024-06)

Java Developer at Mercedes-Benz

• Developed backend services serving 100K+ user requests monthly
• Reduced processing time by 30% using asynchronous multithreading
• Improved reporting performance by 40% via SQL optimization
• Contributed to CI/CD improvements reducing deployment errors
• Collaborate with DevOps, frontend teams, and business stakeholders

Java Developer at Cognizant (2021-12 – 2023-03)

Java Developer at Cognizant

• Built REST services improving process automation efficiency
• Reduced batch processing time by 40% through MySQL tuning
• Improved release frequency from monthly to bi-weekly using Jenkins pipelines

Java Developer at IBM (2020-12 – 2021-12)

Java Developer at IBM

• Developed scalable backend components using Java 8 features
• Reduced memory usage by 15% through performance improvements
• Built and tested REST APIs using Postman and automated tests

Java Developer at Tech Mahindra (2018-01 – 2019-12)

Java Developer at Tech Mahindra

• Developed Spring Boot enterprise applications
• Resolved 100+ production defects improving system stability
• Reduced merge conflicts by 30% through improved Git workflows

Master's in Information Technology (2019)