Abhilash Chauhan

• Led the implementation of customer satisfaction mechanisms, including a push-notification-based feedback system for end users and a
chat-embedded CSAT form for riders, impacting 5M+ users across customers, riders, and restaurants. Built and scaled services using AWS infra
(Lambda, EventBridge, DynamoDB, EKS), authored TDDs, and facilitated architecture reviews.
• Designed and executed A/B experiments across multiple customer support journeys, including order cancellations and missing items. Implemented
alternative user flows in a legacy Ruby application and configured Kafka-based data pipelines to stream analytics events into Snowflake. These
initiatives generated actionable, data-driven insights that drove a 2-7% improvement in CSAT scores across support journeys.
• Contributed to Go-based microservices built on Amazon Connect to enable real-time chat interactions between customers, riders, and support agents,
serving users across three operational regions.
• Skills: Go, Ruby, React.js, EKS, EventBridge, Dy

• Architected and developed an end-to-end web application from scratch, offering FD-backed credit cards, integrating KYC, FD linking, and credit
issuance modules for seamless user onboarding, increasing companys customer base.
• Led the systems integration with different banks, enabling credit card services for 1 million+ combined customers.
• Key member of the team that sets up business-critical AWS infrastructure including AWS EC2 infrastructure, SFTP servers, VPN, IPSec tunnels, MTLS
tunnels, etc.
• Built the process orchestration workflows using AWS Services, for operational flows including customer onboarding, credit card service requests,
blocking cards, etc., resulting in a significant reduction in human hours spent.
• Collaborated on reducing the AWS infrastructure costs of the organization, resulting in about 20% savings in AWS bill.
• Drove talent acquisition efforts by interviewing candidates and assembling a high-performing team.
• Successfully set up a SIEM solution, enabling real-time monitoring and proactive threat management, using open source software and AWS services.
•

• Designed and developed an end-to-end B2B SaaS platform. As a solo developer, built a Google Docs-like real-time collaborative editor using
ProseMirror and Yjs.
• Designed and developed an ACL (access control list) system for fine-grained access control on workspace entities.
• Built functionality to run SQL queries on different data sources (MySQL, PostgreSQL, Snowflake, etc.) using JDBC drivers and HikariCP.
• Skills

• Developed a Shopify app that enabled shop owners to seamlessly add a 1-click checkout solution to their Shopify store.
• Designed and developed a fault-tolerant back-end utilizing multiple back-end instances and distributed locking. Integrated with multiple payment
service providers.
• Skills

• End-to-end ownership, design, and development of Java (Spring)-based RESTful back-end microservices, including services for insurance policy
creation, parameter validations, and underwriting pathway decisions.
• Built and configured the entire logging infrastructure for the project using the ELK (Elasticsearch, Logstash & Kibana) stack.
• Skills: Procedures, Git, ELK Stack, JUnit.

• End-to-end ownership, design, and development of Java(Spring)-based RESTful back-end microservices.
Including services for insurance policy creation, parameter validations, underwriting pathway decisions, etc.
• Built and configured the entire logging infrastructure for the project using the ELK(Elasticsearch, Logstash &
Kibana) stack.
•