---
title: "Karthik B - Software Development Engineer 1 in Bengaluru | Tal"
description: "Meet Karthik B, Immediate joiner | SDE-1 @ RagaAI | Prev Founding Backend Engineer @ Revlitix! based in Bengaluru. AI stack includes claude code, cursor, and gemini."
image: "https://tal.club/meet/karthik-b-3/share-image"
---

# Karthik B on Tal

## Headline

Immediate joiner \| SDE\-1 @ RagaAI \| Prev Founding Backend Engineer @ Revlitix\!

## About

Founding Backend engineer with hands\-on experience in Java, Spring Boot, TypeScript, and Node\.js, skilled in designing and scaling data\-driven backend systems\. Proven track record of building microservices, REST APIs, and distributed data pipelines from the ground up\. Adept at integrating SQL/NoSQL databases, message queues, and caching systems to deliver high\-performance and reliable solutions\. Familiar with AWS, ELK, and Grafana for monitoring, with occasional involvement in frontend integrations\.

## Location

Bengaluru

## AI stack

claude code

cursor

gemini

github copilot

perplexity

ChatGPT

## Work experience

Software Development Engineer 1 at RagaAI Inc, Jan 2026 \- Present · 9 mos, Bengaluru, Karnataka, India

Software Engineer at RagaAI Private Limited, Jan 2026 \- Present · 9 mos, Full\-Stack Platform Contribution: Contributed across a healthcare operations platform, working on Java/Spring Boot backend services, React/TypeScript frontend, and PostgreSQL data layer\. Built Collections & Payment Recovery Platform: Engineered a two\-way SMS conversation system enabling real\-time agent\-patient communication with message threading and history; built CSV\-based outreach exports via S3 pre\-signed URLs and automated reminder logic with PII\-safe payment link masking\. Developed Document Management & Verification of Benefits System: Built an OTP\-verified, PDF\-streaming patient document access flow with multi\-tenant, schema\-based Hibernate configuration and an encrypted ID system for secure document transmission across services\. Engineered Data Import & File Processing Pipeline: Built an XLSX/CSV upload system with LLM\-assisted header detection, multi\-sheet parsing, and import\-readiness validation to support onboarding and Prior Authorization workflows\. Refactored SMS & Communications Infrastructure: Built a multi\-agent SMS routing system with Twilio delivery\-status callbacks, tenant\-specific provider resolution, and differentiated error handling for failed or opted\-out messages\. Built Admin Preferences & Billing Management: Implemented a CRUD\-based preference management system with pagination and cache invalidation for tenant\-level configuration, including Azure Blob Storage and VOB onboarding settings\.

Software Engineer 1 at Revlitix, Jan 2024 \- Jan 2026 · 2 yrs 1 mo, Bengaluru, Karnataka, India, \-First engineering hire; built the entire backend architecture from scratch\. \-Started with Java \(Spring Boot\) and MongoDB, later transitioned to TypeScript and ClickHouse for high\-performance analytics\. \-Designed multi\-tenant architecture with strong data isolation and security\. \-Implemented multi\-factor authentication \(MFA\) and role\-based access control \(RBAC\) with automated token refresh functionality\. \-Implemented an intelligent rate\-limiting mechanism to control API traffic, prevent abuse, and ensure high system reliability under heavy load\. \-Developed and deployed scheduled email notifications for user\-defined alerts and weekly reports, automatically adjusted to each user’s timezone to improve engagement and data visibility\. \-Added Hazelcast, Redis, and RabbitMQ for caching and async communication\. \-Integrated external APIs \(Salesforce, HubSpot, LinkedIn, Google Apps\) and built ETL pipelines for analytics\. \-Drove performance optimization, code quality, and debugging across services\. \-Handled Scrum activities on a rotation basis, ensuring smooth sprint execution\. \-Used ELK, Grafana, and AWS for monitoring, logging, and infrastructure management\.

Associate Software Engineer at Revlitix, Nov 2022 \- Dec 2023 · 1 yr 2 mos, Bengaluru, Karnataka, India

Software Engineer at Revlitix, Aug 2022 \- Nov 2022 · 4 mos, Bengaluru, Karnataka, India

## Education

Bachelor of Science, Computational Science, bangalore university

Pre university, PCMB, Christ University, Bangalore

[View the original profile](https://tal.club/meet/karthik-b-3)

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