MANILA RANGINENI

Results-driven Senior Developer with 8+ years of enterprise-grade experience designing and deploying production applications on AWS cloud-native architectures. Advanced proficiency in Node.js, TypeScript, JavaScript, and Python paired with Angular 16+ frontends featuring RxJS and NgRx state management. Deep expertise in event-driven architectures leveraging AWS Lambda (serverless computing), SQS/SNS messaging, API Gateway, Step Functions, ECS container orchestration, and data storage solutions including S3, RDS, DocumentDB, and DynamoDB. Proven Agile practitioner with strong CI/CD experience using Jenkins and GitHub Actions, comprehensive testing including end-to-end and performance testing, and hands-on AI/ML integration via AWS Bedrock. AWS Certified Solutions Architect with a track record of mentoring teams and driving architectural decisions in high-scale enterprise environments.

Seasoned Full Stack Software Engineer with comprehensive experience in designing, developing, and maintaining web applications. Skilled in modern software engineering methodologies, coding languages and frameworks such as JavaScript, Python, Node.js and React. Notable strengths include problem-solving abilities, innovative thinking and ability to deliver high-quality code on strict deadlines. Demonstrated impact in previous roles through optimization of processes, enhancement of system functionality, and contribution to collaborative team environments.

• AWS Certified Solutions Architect – Associate, 2025
• Generative AI for Everyone, DeepLearning.AI, 2025
• Advanced React, Meta, 2025
• Machine Translation, Great Learning, 2025

• Serverless Event-Driven Inventory Intelligence Platform, Sam's Club (Walmart Inc.), Python, Node.js, LangChain, HuggingFace, AWS Bedrock, RAG Pipeline, Vector Embeddings, Google BigQuery, AWS Lambda, SQS, SNS, Step Functions, AWS EMR, DynamoDB, S3, Kafka, ECS, Kubernetes, GitHub Actions, Engineered AI-powered inventory forecasting system using LangChain RAG pipelines, AWS Bedrock, and HuggingFace embedding models; analyzed geospatial data for 600+ locations via Google BigQuery with responsible AI practices including bias monitoring and model evaluation. Implemented serverless event-driven architecture using AWS Lambda, SQS/SNS messaging, Step Functions, and DynamoDB; automated data pipeline configuration via GitHub Actions CI/CD and deployed on AWS EMR and ECS for scalable production workloads.
• Enterprise Merchandising Platform, Sam's Club (Walmart Inc.), Node.js, TypeScript, Angular, RxJS, NgRx, Java 17, Spring Boot, Apache Kafka, AWS, DynamoDB, S3, Prometheus, Grafana, JWT, OpenAPI, Jenkins, GitHub Actions, Architected event-driven, distributed full-stack platform managing item assortments across 600+ clubs — leveraging AWS Lambda, SQS/SNS, API Gateway, and Step Functions for serverless workflow orchestration across 10+ microservices. Built Angular 16+ frontend with RxJS and NgRx in monorepo architecture; deployed containerized services on AWS ECS; monitored performance and cost with CloudWatch and Grafana dashboards via Jenkins-managed CI/CD pipelines.
• ECommerce Vendor & Payment Platform, Walmart Inc., Node.js, TypeScript, Python, Angular, RxJS, Java 11, Spring Boot, AWS, Redis, Docker, Jenkins, GitHub Actions, JWT, OAuth2, OpenAPI, Prometheus, Grafana, Built scalable eCommerce vendor onboarding platform using event-driven AWS architecture (Lambda, SQS/SNS, API Gateway); served thousands of suppliers with 40% API response time improvement through Redis caching and DynamoDB optimization. Configured Jenkins and GitHub Actions CI/CD pipelines with Docker and ECS deployment; implemented end-to-end and integration testing suites; delivered Grafana observability dashboards improving incident response time by 30%.