I built a Digital Human you can talk to
An engineering account of a voice-to-avatar pipeline built with Deepgram, Groq, Chroma, AWS Polly, GeneFace++, FastAPI, and WebRTC.
Gokula Krishna
Applied AI Engineer & Full-Stack Engineer — Building production AI systems
Latest posts
How I Migrated a 350,000-Line Java/JSP Application to TypeScript in Five Days
A one-year modernization estimate became a five-day AI-assisted migration. The decisive advantage was not code generation; it was a parity harness that gave parallel agents an objective way to verify their work.
Accelerate product development and marketing using these AI Agents
2024 was the year of AI Chatbots, and 2025 will be the year of AI Agents. AI agents can act on your behalf and not just generate content. Here is the list of tools you can implement in your company to reap the benefits of AI agents. 1. Create a full-stack prototype using Replit Agent [ ]
Top 5 Startup Security Checklist
In 2024, there were over 2,741 publicly disclosed data breaches in the U.S. alone, affecting 1.35 billion individuals. Small businesses were especially vulnerable, with 43% of cyberattacks targeting small businesses, yet only 14% are prepared to defend against them. If you are a startup founder, the security of your application should not be an afterthought. [ ]
How to Delete Background from Videos and Add a New Background via CLI
Recently, I was looking for tools to delete the background from a video I needed for a presentation. Unfortunately, the quality of the free online tools I tried wasn t up to par. After some exploration, I found some open-source alternatives that delivered much better results. In this post, I ll walk you through the process I [ ]
My journey and insights in building a chatbot for eCommerce claims handling
Introduction In this article, I will share my journey and insights while building a chatbot for automating eCommerce claims handling. The chatbot was designed to handle customer claims, guide users through the claims process, and integrate with existing systems for seamless resolution. The Problem In eCommerce, handling customer claims (returns, refunds, damaged goods) is a [ ]
Build and deploy your own Shopify checkout extension: A step-by-step guide
I came across the Shopify checkout extension and decided to do a proof of concept to demo it to a client. Since this is a new feature with limited preview to only Shopify Plus store merchants, I couldn t find any straightforward tutorial on deployment. There are good tutorials on YouTube on how to build it [ ]
Encrypting traffic between Cloudflare and Kubernetes cluster
Objective In this post, I ll explain how to encrypt the traffic between Cloudflare and your Kubernetes cluster using TLS certificates. This ensures end-to-end encryption from the user s browser to your application pods. The Setup The architecture involves: Cloudflare as the CDN and DNS provider (handles browser-to-Cloudflare TLS) Traefik as the Kubernetes ingress controller TLS certificates [ ]
Caesar’s Encryption in C++
The Caesar cipher (also known as ROT13 for a shift of 13) is one of the simplest and most widely known encryption techniques. It is a type of substitution cipher where each letter is replaced by a letter a fixed number of positions down the alphabet. How It Works In ROT13, each letter is shifted [ ]
Computing Prime numbers faster with C++
Introduction Prime numbers are numbers which are divisible by 1 and itself by definition. So why do we need to know about prime numbers? How do we find them using a computer program? How do we generate them? If generated, is there a faster method? This post answers these questions. Application of Prime Numbers Prime [ ]