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Case Studies

Not mockups. Not concepts. Production systems serving millions of real users.

Explore our work

Selected work

Products, platforms, and systems engineered by CodePrism across industries.

Messaging & Automation5 min read

Building a Native WhatsApp Forms Engine on PrismWA

A visual builder and runtime for Meta's WhatsApp Flows - letting teams design multi-screen forms, power them with live data, and collect structured responses without a single Meta dashboard visit.

14
Drag-and-drop field types
3
Ways to power a screen with live data
0
Duplicate submissions, by design
Voice AI & Telephony5 min read

Replacing Exotel with a Self-Hosted Voice AI Gateway — 60% Cost Reduction at 500K Calls/Day

A production-grade telephony gateway that bridges PSTN networks with AI voice applications, enabling a large social-impact foundation to cut per-minute call costs by 60% while handling half a million calls daily — with zero changes to existing AI application code.

60%
Cost reduction
500K
Calls/day capacity
<200ms
One-way audio latency
Mobile App5 min read

Building a Real-Time Taxi Booking App with Live Maps

A React Native taxi booking app with live driver tracking on the map. Replacing 5-second polling with WebSockets cut location delay from 4-5 seconds to under one, and API traffic by roughly 70%.

<1s
Location delay
70%
Fewer API calls
25%
Battery savings
A
α
AI & Voice5 min read

Building a Multilingual Voice AI Pipeline with Bhashini for Public Welfare Surveys

A real-time speech pipeline on Bhashini covering 14 Indian languages, running speech recognition, translation, and synthesis end to end in under two seconds.

<2s
Pipeline latency
14
Languages supported
0
Human translators needed
Our Impact

Built for scale.
Designed for impact.

Every engagement starts with a difficult problem. We bring product thinking, engineering depth, and pragmatic architecture to build something that lasts.

99.99%
Average uptime across
production systems
10M+
API requests handled daily
60%
Infrastructure cost
reduction
<200ms
Median response latency
How we work

Complex problems.
Thoughtful engineering.

Every engagement starts with a difficult problem. We bring product thinking, engineering depth, and pragmatic architecture together.

Discovery
01

Discovery

Deep-dive into constraints, architecture, and team context.

Architecture
02

Architecture

System design, tech selection, risk mapping

Engineering
03

Engineering

Production-grade implementation with full test coverage.

Deployment
04

Deployment

CI/CD pipelines, monitoring, and zero-downtime releases.

optimization
05

optimization

Performance tuning, cost analysis, and iterative refinement.

Background

Ideas shaping what comes next.

Explore insights, stories, and technical perspectives from the people building what's next in technology.