Jitin Kayyala
Building robust, scalable backend systems with Java
I'm a full stack developer with 15+ years of experience specializing in Java, Spring Boot, and microservices architecture. I build high-performance, scalable systems that power modern applications.
About Me
I'm a passionate backend developer with a focus on building efficient, scalable, and maintainable systems.
I started my programming journey after my Instrumentation Engineering degree, where I discovered my passion for backend development. Over the past 15+ years, I've worked with various companies to build robust backend systems that handle millions of requests daily.
My expertise lies in designing and implementing high-performance Java applications, microservices architecture, and database optimization. I'm constantly learning and adapting to new technologies to stay at the forefront of backend development.
- BE in Instrumentation Engineering
- Oracle Certified Professional: Java Developer
- Spring Professional Certification
- AWS Certified Solution Architect - Associate
Technical Skills
My expertise spans across various backend technologies and frameworks
Java EE, Java 8-17 features
Complex queries, optimization, stored procedures
Data processing, automation scripts
Node.js, Express, basic frontend
Featured Projects
A selection of my most significant full stack development work
Responsible for improving or enhancing the U/X of the website by adding new journeys or modifying existing journey as part of a team in Kainos.
Led a team and was responsible for making changes in the World Check One product of LSEG and improving casesearch functionality.
Responsible for creating REST interfaces and integrating third party applications and building services for adding functionality to the website.
Work Experience
My professional journey as a Java backend developer
- Mentored new members through pair programming to enhance Sprint contributions.
- Led the migration of Perl services to Java leveraging GitHub Copilot for POC development.
- Designed Open Design Proposals for multi-microservice architecture changes.
- Improved 95 percentile response time of bio search SQL query and increased performance by 50% to meet NFR requirements.
- Reduced bad requests by 30% through third-party API integration and improved user experience of website.
- Spearheaded the migration of a legacy HMPO service ensuring seamless data transformation.
- Led 20+ functional changes in the World Check product ensuring smooth releases.
- Led a 5-member team to optimize Elasticsearch sorting, improving response times by 70%.
- Enhanced goal-focused sprints and streamlined context switching to boost team productivity.
- Responsible for creating REST interface for Gigya and GoCardless and integrating it on the website.
- Led the Global Redesign initiative, creating REST APIs for an enhanced search experience.
- Implemented Checkstyle to strengthen the code review process.
- Ensured timely incident resolution, meeting service SLA standards.
- Diagnosed root causes, coordinated internal/external teams and prevented recurring issues.
- Identify and create Appian processes based on requirements gathered during SCRUM iteration.
- Ensured designed components were handed over to Offshore team and the delivered work package was as per the design.
- Provided utopian view of one of the key functionalities which helped in the work package being delivered before estimated time.
- Involved in the design and development of web interface for vehicle quoting and fleet management software which increased efficiency of the vehicle leasing process by 50%.
- Responsible for leading a team of 5 developers and defining migration strategy, data mappings for migration, GAP analysis, data analysis and technical solution for de-commissioning source system.
- Providing technical solutions based on the requirements.
- Implement the required functionality based on the design document.
- Code review functional changes in the system.
Get In Touch
Interested in working together? Feel free to reach out to me.