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Founder, Boffin Coders

Manoj Sethi

Manoj founded Boffin Coders in 2017 and leads its work with agencies: white-label builds, delivery and partnerships. Manoj writes about how agencies can add development capacity without losing control of their clients.

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Posts by Manoj Sethi

11 posts published under this byline, newest first.

How to hire mobile app developers: decide the job first, choose between a project, a dedicated developer and a retainer, ask for evidence you can open, and expect a dedicated developer from US$3,500 a month.
Mobile App Development
Oct 7, 2026
7 min read

How to hire mobile app developers: decide the job before the person

How to hire mobile app developers: what to decide first, the evidence to ask for, whose name the accounts sit in, and a developer from US$3,500 a month.

Manoj Sethi
Manoj Sethi
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AI app development cost as two numbers: the build, priced in people and months with an AI developer from $4,000 a month, and the running cost of every request, estimated as requests times tokens times the provider's published price.
AI Engineering & Architecture
Oct 5, 2026
7 min read

AI app development cost: what you pay to build it, and every month after

An AI app has two costs: the build, priced in people and months, and running costs that never stop. How to estimate both, and the choices that cut them.

Manoj Sethi
Manoj Sethi
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How to split a large Excel file in Node.js with the header row on every part: a short SheetJS script for most files and an ExcelJS streaming script for very large ones.
Web Development
Sep 29, 2026
8 min read

How to split large Excel files in Node.js: a beginner's guide

Split a large .xlsx file into smaller files in Node.js, with the header row on each. A short script for most files and a streaming one for very large files.

Manoj Sethi
Manoj Sethi
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Dedicated development team or software development retainer: the same developers and the same published per-person rate, with the difference being who owns the engineering decisions.
Custom Software Development
Sep 29, 2026
5 min read

Dedicated team or development retainer: which one your product needs

Same developers, same rate, different owner of the decisions. The one question that picks team or retainer, and the signs you chose wrong.

Manoj Sethi
Manoj Sethi
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What a dedicated Flutter developer in India costs in 2026: our published monthly rate, from $3,500 a month, set against the add-ons an hourly quote leaves out.
Mobile App Development
Sep 26, 2026
5 min read

What a dedicated Flutter developer in India actually costs in 2026

Hourly rates hide the cost. The monthly figure, what an hourly quote leaves out, and the four questions that move the price more than the rate.

Manoj Sethi
Manoj Sethi
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Featured card: one message going to a language model that returns a paragraph to parse, and to Jev that returns typed values - lead 0.91, route web app, spam 0.03.
AI Engineering & Architecture
Sep 21, 2026
8 min read

Jev is not a smaller LLM. It answers a different question.

TypeSafe’s Jev returns typed answers and probabilities in one pass. Where a System One model beats an LLM in a real product, and where it does not.

Manoj Sethi
Manoj Sethi
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Five questions on a card: when does the developer start, what is the notice period both ways, what if it does not work out, who owns the code and where does it live, what hours will we overlap.
Custom Software Development
Sep 21, 2026
6 min read

Five questions to ask before you hire a dedicated developer

Start date, notice period, replacement, code ownership and overlap hours: five questions that show which dedicated developer proposal will cost you more later.

Manoj Sethi
Manoj Sethi
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A chatbot question routed two ways: keyword scoring with no extra service, and embeddings through a vector database with an API call and a monthly bill.
AI Engineering & Architecture
Sep 17, 2026
6 min read

You do not need a vector database for your first RAG chatbot

For a few hundred pages, BM25 keyword search is enough for a RAG chatbot: no vector database, no embedding bill and no data leaving your server.

Manoj Sethi
Manoj Sethi
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Seven account tiles — domain, hosting, database, source code, email sending, payments, secrets — each marked owner: you
Custom Software Development
Sep 11, 2026
10 min read

The accounts your development team needs, and who should own them

Every account your software runs on - hosting, database, code, email, payments - who should own each, what access a developer needs, how to hand over.

Manoj Sethi
Manoj Sethi
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Scaling AI Automation Enterprise Integration with Model Context Protocol (MCP)
AI Engineering & Architecture
Jun 1, 2026
5 min read

Scaling AI Automation: Enterprise Integration with Model Context Protocol (MCP)

Connect AI automation to your existing tools with the Model Context Protocol, with secure access to your data.

Manoj Sethi
Manoj Sethi
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Architecting Multi-Agent Systems for Complex Workflows
AI Engineering & Architecture
Jun 1, 2026
7 min read

Architecting Multi-Agent Systems for Complex Workflows

Learn how to architect multi-agent AI systems for complex workflows, improving automation, collaboration, scalability, and business efficiency.

Manoj Sethi
Manoj Sethi
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