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About

A founder-led engineering team in Kolkata

We build AI agents, blockchain systems, backends, dApps and mobile apps for clients worldwide. Clients bring the problem. We define the system, build it and hand it over.

How we work, in three lines

  1. Problem first. A spec written before the architecture exists often locks in the wrong constraints. We start from what has to be true for your business.

  2. Documentation as a deliverable. Your next engineer, ours or yours, should be able to read the system rather than reverse-engineer it.

  3. Limits stated plainly. We say what a system can't do in the same breath as what it can, and we tell you when you need an independent audit.

The team

Who you'll work with

Anupam Bera

Founder & Lead Engineer

Anupam founded Techmax Labs and leads its engineering. Recent client work includes a production integration inside a Solana trading system, a web-based blockchain OTC platform, IoT energy monitoring with blockchain on Raspberry Pi, and an election feature built into an existing web app.

Works in English, Hindi and Bengali.

Founder's certifications

  • Hedera Developer (The Hashgraph Association, 2026)
  • Multi AI Agent Systems with CrewAI (DeepLearning.AI, 2023)
  • Rust (HackerRank, 2022)

Reviews

Client reviews, newest first

Reviews are verbatim from client contracts our founder, Anupam, delivered through Upwork. '…' marks where a quote was shortened. Client names stay private.

See the build log 

Sep 2026 · Hourly, 17 h5.0 out of 5 stars

“Excellent developer. Anupam delivered a complex production integration with strong attention to architecture, safety, testing, and rollback procedures. He followed the scope carefully, communicated clearly, and provided a reusable solution…”

Client · Solana trading-system integration
Skills endorsed:
  • Solana
  • Trading Automation
  • Blockchain

Jul–Sep 2026 · Fixed price5.0 out of 5 stars

“Anupam did an excellent job! Everything was completed exactly as agreed in the contract, with great attention to detail and professionalism. I truly appreciate the hard work and commitment…”

Client · Website and blockchain build
  • Reliable
  • Committed to Quality
  • Detail Oriented

Jun 2026 · Fixed price5.0 out of 5 stars

“Excellent freelancer. The work was completed professionally and showed strong understanding of modern web application design, SaaS-style presentation, user experience, and secure system interface requirements…”

Client · Blockchain voting and SaaS pricing design
  • Solution Oriented
  • Clear Communicator
  • Detail Oriented
  • Professional

May 2026 · Fixed price5.0 out of 5 stars

“Excellent freelancer to work with. The implementation was handled professionally, communication was clear, and the work followed the requested MVP scope properly. The freelancer understood the existing setup quickly…”

Client · Election feature for an existing web app
  • Collaborative
  • Committed to Quality
  • Solution Oriented
  • Clear Communicator
  • Professional

Founder's certifications

  • Hedera Developer Certification

    The Hashgraph Association · May 2026

  • Multi AI Agent Systems with CrewAI

    DeepLearning.AI · July 2023

  • Rust Certification

    HackerRank · July 2022

Each is the founder's own, listed with its issuer and date.

How we're set up

Location
Kolkata, India · GMT plus 5 hours 30
Languages
We work in English, Hindi and Bengali.

How we work, pricing and payment 

What you won't find here

Client names we don't have permission to use, numbers we can't source, audits we haven't had, or people who don't work here. Every number on this site says where it comes from.

Want to talk it through?

Book a 30-min call, or send a brief if you'd rather write first.

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