Pratyush Kumar Karna
Senior Software Engineer @Dario
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WORK HISTORY
Senior Software Engineer @Dario
Gurugram, IN
As a Senior Engineer, I architect and scale backend systems for Dario’s digital health platform, focusing on AI-driven products, cloud infrastructure modernization, and high-volume data reliability.1. Architecting AI-Powered Products (DarioIQ)Led the backend engineering for DarioIQ, a direct-to-consumer conversational AI assistant for hypertension management.Designed an event-driven WebSocket architecture on AWS API Gateway & Redis to handle real-time user-AI interactions with sub-30ms latency.Implemented strict HIPAA-compliant guardrails using AWS Comprehend for PII redaction and built an observability pipeline with Langfuse to minimize hallucinations in medical advice.2. Cloud Infrastructure & Zero-Downtime MigrationsSpearheaded a critical zero-downtime migration of TB-scale databases from self-hosted PostgreSQL (EC2) to Amazon Aurora PostgreSQL 14 across 8 regions using AWS DMS.Modernized the deployment strategy by containerizing legacy Python monorepos into Docker/Kubernetes (EKS), managing deployments via Helm Charts and fully automated GitHub Actions pipelines.Optimized database resilience by implementing AWS RDS Proxy, slashing failover times from 5+ minutes to under 30 seconds.3. Identity & Security at ScaleArchitected the Enterprise SSO Migration (Auth0) to unify user identities for a 17% growing user base.Designed a hybrid sync/async system using AWS SQS & Auth0 Actions to handle complex user data migration without blocking login flows, achieving 99.9% consistency. Tech Stack: TypeScript, Node.js (NestJS), Python, AWS (Lambda, Serverless, EKS, API Gateway, Aurora, SQS), Redis, Docker, Kubernetes, PostgreSQL.
EDUCATION
Punjab Engineering College
Bachelor's degree, Materials and Metallurgical Engineering
ABOUT PRATYUSH KUMAR KARNA
As a Senior Software Engineer at DarioHealth, I focus on architecting and scaling backend systems for the company’s digital health platform. My work includes developing AI-driven products such as DarioIQ, a conversational AI assistant for hypertension management, and modernizing cloud infrastructure to support high-volume data reliability and real-time user interactions. I bring expertise in leveraging tools like Kafka, Kubernetes, and Postgres. My motivation lies in building innovative and scalable solutions while adhering to industry standards, including HIPAA compliance, to create impactful digital health products.
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