Senior Software Engineer

Delivered RESTful APIs for room management, payments, and user profiles with Node.js and NestJS. Architected secure authentication and authorization flows with OAuth 2.0 and JWT, aligned with hospitality-grade compliance requirements. Built a GraphQL API gateway for partner integration, accelerating onboarding timelines by 25%. Developed CMS-driven frontend experiences in Next.js, Tailwind CSS, and MUI, reducing frontend release cycles by 40%. Created admin dashboards for data analytics using React and Chart.js to enable hotel partners to visualize KPIs. Designed and deployed cloud-native backend systems on AWS using ECS, Lambda, RDS, S3, and DynamoDB, reducing hosting costs by 28% while increasing scalability. Integrated Kafka and microservices to support real-time event streaming and booking synchronization across partner platforms. Led development of AI-powered concierge tools using OpenAI APIs and LangChain, enhancing guest support and reducing manual overhead by 36%. Migrated legacy MongoDB instances to AWS DocumentDB with zero downtime using custom ETL pipelines. Established Jenkins-based CI/CD pipelines with Docker and Kubernetes, improving deployment efficiency and reducing rollbacks by 20%. Automated infrastructure provisioning using Terraform and Pulumi to manage AWS resources, saving $30K annually in cloud costs through efficient autoscaling and resource cleanup. Integrated Datadog and Sentry for real-time application monitoring and error tracking, leading to a 50% faster incident response time. Spearheaded A/B testing strategies that improved booking funnel conversion by 12%. Contributed to team’s AI R&D roadmap using HuggingFace transformers and Vertex AI for personalization.

Led development of a truck reservation mobile application using React Native, delivering seamless functionality across iOS and Android platforms. Engineered scalable APIs with Node.js and GraphQL, enabling real-time vehicle availability and reservation management for thousands of users. Designed and maintained backend infrastructure with MongoDB, PostgreSQL, Redis, and AWS (Lambda, S3, EC2) for high availability and low-latency performance. Integrated Okta for secure user authentication and role-based access control across web and mobile platforms. Created dynamic dashboards in React and Next.js with real-time vehicle telemetry data for fleet managers. Built pub/sub-based asynchronous workflows with AWS SQS and GCP Pub/Sub to streamline booking pipelines. Integrated Redis caching to improve performance of high-traffic endpoints by over 40%. Led a refactor initiative to adopt microservices architecture, reducing system coupling and improving maintainability. Employed Jira for agile project management, sprint planning, issue tracking, and cross-team collaboration. Implemented CI/CD pipelines, version control (Git), and containerized environments using Docker to streamline development and deployment.

Developed backend services in Python and Django for inventory tracking, integrating with internal art catalog systems. Built scalable web experiences in React.js and Redux.js, powering online auction interfaces with real-time bidding. Improved auction latency by 45% through optimized WebSocket implementations for live updates. Leveraged GCP services like Cloud Run, BigQuery, and Firestore to migrate legacy monolith into distributed architecture. Collaborated with DevOps to containerize legacy apps using Docker and Kubernetes on GCP. Refactored frontend to adopt Storybook and component-based architecture, improving development velocity. Integrated payments via Stripe and PayPal, with backend fraud detection checks.

Led the refactoring of three monolithic PHP systems into modular Node.js and Flask-based Python microservices, reducing technical debt and improving request throughput by 70%. Designed and maintained e-commerce interfaces on Shopify and Angular, resulting in 33% improved conversion rate. Integrated Azure Functions and Cosmos DB to automate order processing and reduce manual fulfillment time by 19%. Managed deployment pipelines using Azure DevOps, improving release frequency from biweekly to weekly. Led A/B testing integration with Google Optimize to assess new pricing tiers. Collaborated with product managers to prioritize SEO enhancements, boosting organic traffic by 28%.