ABHISHEK SINGH

• Led a team of 8 engineers, driving technical strategy, execution, and delivery of mission-critical systems in Appeals and AI product areas.
• Mentored and coached engineers (E4–E5 levels), accelerating technical growth, developing future tech leads, and improving overall team execution.
• Drove AFR (Appeal Fulfillment Rate) and BASR (Benign Appeal Success Rate) initiatives, improving reliability and reducing benign appeal mistakes in H1 2025.
• Contributed to the global launch of the MetaAI app, ensuring backend systems scaled reliably to millions of users.
• Delivered $2M annual Ops cost savings by automating Appeals Ops review workflows and optimizing operational processes.
• Influenced org-wide engineering practices, standardizing reliability measurement, mistake reduction, and AI integration — improving code quality and saving 2000+ ETS annually.
• Reduced incident frequency and on-call load through automation, proactive monitoring, and fault-tolerant design.

• Spearheaded Project Gatekeeper (Authentication, Authorization & Accounting), leading a revamp across 40 repositories in collaboration with 15 partner teams — improving authentication reliability by 25%, reducing critical security issues by 30%, and driving adoption of standardized AAA frameworks.
• Mentored Software Engineers, accelerating their technical growth and improving team delivery velocity by ~10%.
• Actively contributed to hiring, conducting 100+ interviews, helping scale the team while maintaining a high engineering bar.
• Improved test coverage and system reliability, improving system availability from 95% to 99.9% and automated test coverage by 50% and reducing production incidents by 25%.

Analytics Platform Development

• Contributed to the overhaul of the ETL pipeline, enabling seamless migration of production data to a robust Big Data system.
• Developed efficient MapReduce jobs in Java to process large-scale datasets, improving data processing speed and reliability.
• Customized Kafka Connect Jdbc Source Connector, integrating it with a Hibernate-based source to ensure consistent and accurate data ingestion.

Verification System

• Led end-to-end development of Mobile & Email Verification system, serving Bankbazaar's clientele.
• Implemented full-stack solution using Java, ReactJS, and MySQL, delivering a scalable, high-performance system aligned with business requirements.
• Enhanced system reliability and verification accuracy, reducing failed verification attempts and improving client onboarding experience.

• Developed and maintained scalable software systems, ensuring high reliability and performance.
• Conducted code reviews, interviews and mentored interns engineers, promoting best practices and team knowledge sharing.
• Search Engine Project: Built a scalable search system with Elasticsearch, optimizing indexing and query performance for terabytes of data.
• ELK Log Management: Implemented ELK stack (Elasticsearch, Logstash, Kibana) for centralized log management, improving monitoring and operational efficiency.

• Namespace Shell Extension in Windows: Developed a Windows shell extension that interfaces with company cloud APIs to synchronize data with the cloud. This innovative project significantly reduced hard disk load by implementing a mechanism to download files only upon user access via the extension.