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2nd Floor, Tidel Park, Taramani, Chennai 600113, India
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Discovery to launch in weeks, not quarters

Software that earns its place in your business

We build custom platformsmobile appsAI systemscloud infrastructure

We are a 120-person engineering studio building custom software, mobile apps and AI systems for companies that need to move quickly without breaking what already works.

96% of clients come back for a second project. See who we work with

discovery-sprint.md
  • Workflow mapped with your team
  • Architecture sketch you own
  • Honest budget range
  • A plan you can take elsewhere
Typical discovery2 weeks
First working slice6 weeks
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Projects delivered
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Engineers on staff
0
Countries served
0%
Client retention

Trusted by teams in 8+ companies across 24 countries

Northlane Health
Verado Retail
Haulwise
Arcbridge Capital
Kesten Industries
Lumen Learning Group
Meridian Freight
Solace Diagnostics
Northlane Health
Verado Retail
Haulwise
Arcbridge Capital
Kesten Industries
Lumen Learning Group
Meridian Freight
Solace Diagnostics
Technology expertise

We pick tools you can hire for

Choosing a stack is a hiring decision as much as a technical one. We favour boring, well-supported technology and reserve the exotic stuff for when it genuinely pays.

Browse the full stack
React
Vue.js
Angular
PHP
Node.js
Python
.NET
Flutter
React Native
Swift
Kotlin
AWS
A process built for clarity

How we work

Four stages, weekly demos, and a shared board you can see at any hour.

01

Discovery

A paid two-week sprint. We map the workflow, agree the scope, and hand you a plan you own — whether or not you build it with us.

02

Design

Prototypes in front of real users before a line of production code is written. Cheaper to change a screen than a schema.

03

Build

Two-week sprints, a demo every Friday, and a board you can open at any hour without asking permission.

04

Launch & Beyond

Deploy dark, release by flag, monitor from day one. Then a named engineer who already knows your codebase.

Senior engineers. Fixed sprints. No surprises.

Why teams choose Charles Technologies

Every engagement starts with a paid discovery sprint, so you own the plan before you commit to the build.

  • Senior engineers only. No juniors billed as seniors, ever.
  • You own everything. Code, infrastructure, docs — in your repository from commit one.
  • Weekly demos. You see working software every Friday, not a status slide.
  • Honest estimates. Including the ones you will not enjoy hearing.
About our approach
Top Custom Software Developer — India Industry Review Board · 2025
ISO/IEC 27001:2022 Certified International certification body · 2024
Great Place to Work Certified Workplace certification body · 2025
Best Healthcare Software Innovation Health Tech Awards · 2025
Selected work

Recent projects

A sample. The rest is under NDA, which we can talk through on a call.

Clinical Triage Assistant
AI & ML

Clinical Triage Assistant

A decision-support tool that reads intake notes and ranks patients by urgency, cutting triage time by 41%.

Northlane Health United Kingdom
Peak-Season Commerce Platform
E-commerce

Peak-Season Commerce Platform

Re-platformed a retailer whose checkout collapsed every sale day. Zero downtime through the next four.

Verado Retail Singapore
Driver Companion App
Mobile Apps

Driver Companion App

An offline-first Flutter app for 6,000 drivers working through patchy coverage.

Haulwise India
The numbers afterwards

Case studies

In their words

What clients say

“They pushed back on our original spec, and they were right to. What shipped was smaller than what we asked for and better than what we imagined.”
Helen Osborne Chief Operating Officer, Northlane Health
“We had failed four peak seasons in a row. The fifth was uneventful. That is the highest compliment I can pay an engineering partner.”
Wei Lin Tan Director of Engineering, Verado Retail
“Six thousand drivers, most of them in low-coverage areas. The app just works. Our proof-of-delivery rate tells the whole story.”
Rajiv Menon Founder, Haulwise
“Our auditors asked for an evidence trail. We handed them a link. That has never happened before.”
Sarah Whitfield VP Technology, Arcbridge Capital
Insights

From the engineering floor

All articles
When not to use an LLM

When not to use an LLM

A model is not always the answer. Here is the checklist we run before we reach for one.

24 Jun 2026 Read
Questions

Before you call

The things people ask us most. If yours is not here, just ask.

Start here

Book a consultation

Forty-five minutes with an engineer. You will leave with a scope sketch and a budget range, whether or not you hire us.

Chennai, India HQ

2nd Floor, Tidel Park, Taramani, Chennai 600113

+91 44 4000 1234

Bengaluru, India

Level 5, Prestige Tech Park, Marathahalli, Bengaluru 560103

+91 80 4000 5678

London, United Kingdom

Kemp House, 152 City Road, London EC1V 2NX

+44 20 7946 0123
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45 minutes with an engineer, not a salesperson. Free, no obligation.