Rahul Tiwari

Rahul Tiwari

Senior Software Engineer building scalable, AI-powered, cloud-native solutions and engaging user experiences.

Professional Experience

Feb 2023 – Present

Software Engineer II

Chewy

Engineered robust prescription management workflows, handled controlled substance compliance, and built an internal AI knowledge assistant platform. Led full-stack initiatives with significant cost-saving and efficiency impacts.

ReactTypeScriptNext.jsJava
Jan 2022 – Sept 2022

Software Engineer

Dispatch Technologies

Developed scalable backend services and responsive frontend architectures, collaborating across teams to deliver high-performance software solutions.

ReactJavaScriptTypeScriptNode.js
Dec 2016 – Nov 2020

Senior Software Engineer

Infosys

Built and maintained enterprise-scale monolithic to microservice migrations, optimizing workflows and improving system reliability.

JavaSpring BootHibernateREST APIs

Technical Expertise

Frontend Development

Building responsive, accessible UIs with modern React ecosystem tooling.

React
Next.js
TypeScript
Tailwind

Backend Engineering

Designing and implementing reliable, scalable microservices and APIs.

Java
Spring Boot
Node.js
GraphQL
Kafka

Cloud & DevOps

Architecting automated, cost-effective infrastructure on AWS.

AWS (EC2, ECS, EKS, Lambda, Step Functions, S3, RDS, DynamoDB, CloudFront, Route 53, VPC, IAM, SNS, SQS, SES, CloudWatch, CodeDeploy)
Docker
Kubernetes

AI Integrations

Working with LLMs and data architectures.

Selected Work

Chewy Prescription Management Platform

Technicians and pharmacists needed a more efficient and accurate way to review prescriptions and perform drug utilization review while minimizing cancellations on autoship orders.

ReactTypeScriptNext.js+6
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Controlled Substances Compliance & PDMP Integration

Handling controlled substances required strict compliance with state-level PDMP checks and regulatory requirements, but existing systems were not designed for these workflows.

JavaSpring BootREST APIs+3
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Internal AI Knowledge Assistant (Org-wide Chatbot Platform)

Engineers and teams needed faster access to internal documentation, workflows, and systems without manually digging through multiple tools and repos.

TypeScriptNode.jsMCP+2
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Fax OCR & Textract Prescription Workflow

Fax prescription forms were difficult to read and process, resulting in poor readability and manual effort for pharmacy staff.

AWS TextractJavaSpring Boot+2
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AccuWeather Delivery Integrations

Real-time routing logic lacked severe weather awareness, leading to unexpected service delays and logistical bottlenecks.

ReactNode.jsExpress+2
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CI/CD Pipelines & Infrastructure Automation

Fragmented deployment pipelines and manual release steps resulted in slower cycle times and occasional human error.

GitHub ActionsJenkinsDocker+2
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