vikasranjan

● Architected and developed AI-driven communication systems including Care Connect and Lumi AI Chat, integrating LLM pipelines, real-time transcription, and conversational workflows. ● Built scalable backend APIs (Python) to support chat sessions, transcription pipelines, and data ingestion from Zoom and Chrome extension integrations. ● Led development of the Care Connect platform across Web, Chrome Extension, and Zoom marketplace, ensuring reliability across multiple environments. ● Architected and created a UI design system that set up the foundation for all Frontend applications across web, mobile and Chrome extensions. ● Designed database schemas and optimized queries across PostgreSQL for large volumes of conversation data. ● Implemented real-time streaming architecture for transcription and AI response generation with low-latency message delivery. ● Built internal tooling for AI prompt experimentation, telemetry tracking, and system monitoring to improve response quality.

● Led a 20-engineers cross-functional team delivering large-scale learning platforms used by millions of students. ● Architected backend services and APIs supporting content delivery, user engagement tracking, and recommendation features. ● Introduced authentication, role-based access control, and session management across multiple product modules. ● Improved UI performance, led identification and fixing of application technical debts ● Established CI/CD pipelines and automated testing workflows, reducing release cycles and improving deployment reliability. ● Defined technical roadmap and system architecture decisions, balancing delivery speed with long-term platform maintainability. ● Implemented engineering best practices including code reviews, observability improvements, and incident response workflows.

● Owned the User Compliance platform, implementing regulatory workflows for KYC, identity verification, and risk detection across multiple regions. ● Designed backend services and APIs supporting compliance evaluation, document verification, and rule-based decision engines. ● Built secure data flows handling sensitive user information with strict auditability and compliance controls. ● Led frontend architecture improvements while collaborating closely with backend teams to maintain consistent data contracts and APIs ● Led a team of 6 frontend engineers, optimised UI practices while addressing performance and accessibility issues.

● Technical lead for a merchant platform used by thousands of restaurants and grocery merchants to manage catalogues, orders, pricing, and promotions. ● Architected scalable APIs and services enabling bulk catalogue uploads, merchant onboarding, and real-time order processing. ● Designed asynchronous processing workflows to handle large catalogue ingestion jobs without blocking merchant dashboards. ● Implemented authentication and authorization systems supporting merchant accounts, role-based access control, and secure integrations. ● Led backend and frontend architecture decisions across a 12-engineer team, ensuring scalability and maintainability. ● Improved platform performance and stability through observability, logging, and monitoring improvements. ● Delivered the Grocery Merchant Onboarding system, significantly reducing merchant onboarding time and improving catalogue data accuracy

● Developed scalable services powering the User Reviews and Feedback platform across multiple Expedia brands. ● Implemented A/B testing infrastructure to evaluate product improvements and increase review submissions. ● Executed the complete development of the NorthStar Design for the Hotels Post-Stay Review feedback form to boost review submission rates. ● Built APIs and backend services enabling dynamic review collection workflows and experimentation frameworks. ● Designed data models and optimized database queries to handle large volumes of review data. ● Collaborated with cross-functional teams to ensure seamless integration between backend services and frontend applications.

JUN 2015 - FEB 2018 ● Contributed to the development of Sirion’s enterprise Contract Lifecycle Management (CLM) platform, used by large enterprises to manage complex vendor contracts and procurement workflows. ● Designed and implemented full-stack features across the contract pre-signing module, enabling vendors to define work scopes and supplier relationships. ● Integrated frontend applications with backend APIs to support contract data ingestion, validation workflows, and document lifecycle management. ● Optimized UI performance and large dataset rendering for complex contract configurations used by enterprise clients.