Vaibhav GS

• Analyzed system performance metrics to identify areas for improvement. I have identified a plethora of opportunities in fine-tuning the performance of the application. A couple of notable tunings were around GC overhead reduction, opting for forkJoin over threadPool, and DOM memory overhead reduction.
• Troubleshot technical issues in real-time to minimize service disruptions.
• Reduced SLA of a service from approximately 250 ms to approximately 20 ms.
• Developed a couple of tools to improve developer productivity.
• Performed debugging activities to identify issues with existing systems or new implementations.
• Conducted code reviews to ensure adherence to best practices and standards.
• Mentored junior staff on software development methodologies and tools.

• Spearheaded platform strategy to reimagine legacy applications in invoice matching.
• Designed architecture for Rules Engine, reducing time to market.
• Refactored code and improved database queries to optimize application performance.
• Integrated ServiceNow API for automated error workflows in application.
• Transitioned from in-house API hub to native JDBC for enhanced database access.
• Analyzed Murmur2 algorithm and implemented partitioning logic for balanced Kafka message distribution.
• Delivered POC for proxy application enabling HPAScaleToZero, achieving significant cloud cost savings.
• Mentored junior developers, enhancing team productivity and promoting professional growth.

• Analyzed Mainframe functionality, developing multiple MVPs with Java, SpringBoot, Kafka, and MongoDB.
• Instrumental in building new matching engine for retail giant using OpenTech stack.
• Revised and modularized legacy codebases to modern development standards, reducing operating costs.
• Developed RESTful services by transforming monolithic application into microservices architecture.
• Enhanced code coverage utilizing Astra Framework for accelerated functional testing automation.
• Created prototype to automatically sense aisle weight and forecast store orders.
• Developed tool powered by AI for natural language conversation and document summarization.

• Promoted to Technical Lead, successfully stabilized new team within Finance portfolio.
• Managed invoice matching, delivery costing, and supplier payment processes.
• Navigated initial challenges during transition phase in 2020 while delivering key project milestones.
• Focused on technical stabilization of team while ensuring adherence to established processes.
• Enhanced customer confidence through successful delivery of critical responsibilities.

• Promoted to Module Lead, overseeing same team since initial onboarding.
• Supported stores with product, pricing systems, and home shopping applications.
• Developed solutions utilizing cutting-edge technologies for legacy users.
• Interacted with UK clients to identify pain points and provide tailored solutions.
• Proposed cost-efficient modernization solutions to enhance business operations.
• Led mini-team dedicated to developing POCs on cloud and UX/UI activities.
• Delivered operational dashboard that increased team's visibility in non-legacy domains.

Maintained product, price, and promotion systems for TESCO technology as senior software engineer.
Collaborated within a team of 13 to support seamless operation of Tesco Business.
Acted as an individual contributor, ensuring timely delivery of critical services.
Focused on optimizing processes to enhance customer experience.

• Contributed to successful delivery of multiple working models in a team of 9.
• Developed macros to automate repetitive business-as-usual tasks, enhancing team efficiency.
• Independently created IMS screen for critical application, generating $25K in revenue for organization.
• Collaborated with team members to ensure alignment with client requirements and project timelines.