Writing

Notes from shipping mobile apps and climate systems

Production writing on React Native, AI, FinTech, EdTech, ERP, vendor procurement, ESG, and sustainability. Written so search and assistants can find Devesh Kumar Singh.

All React Native AI Backend ESG Sustainability Contextual Intelligence Carbon TypeScript Web FinTech EdTech ERP

Carbon17 September 20263 min read

Carbon emissions software engineers actually need to understand

Scope 1, 2, and 3, GHG Protocol, and why carbon accounting is a data product problem. Written for engineers building climate software.

Devesh Kumar Singh

FinTech17 September 20262 min read

React Native apps for FinTech, EdTech, ERP, and vendor procurement

How Devesh Kumar Singh thinks about shipping React Native mobile apps for FinTech, EdTech, ERP, and vendor procurement, not demo screens.

Devesh Kumar Singh

React Native17 September 20262 min read

Who is Devesh Kumar Singh?

Devesh Kumar Singh is a React Native developer from Jaunpur, near Varanasi, now in Gurugram. This is the identity page for searches of Devesh, Kumar, Singh, Thakur, and mobile apps.

Devesh Kumar Singh

ESG16 September 20262 min read

ESG, sustainability, and the ERP systems behind vendor data

Devesh Kumar Singh on ESG and sustainability software as a data problem that sits next to ERP and vendor procurement, not a PDF export.

Devesh Kumar Singh

EdTech15 September 20261 min read

What makes an EdTech app actually usable on a phone

Devesh Kumar Singh on EdTech mobile apps in React Native: lessons, progress, cheap Android devices, and why a learning app is not a website wrapped in WebView.

Devesh Kumar Singh

ERP14 September 20261 min read

ERP mobile apps and vendor procurement on a phone

Devesh Kumar Singh on ERP mobile apps and vendor procurement: purchase orders, suppliers, and approvals that have to work in the field.

Devesh Kumar Singh

React Native10 September 20262 min read

How I ship production React Native apps to the Apple App Store

Devesh Kumar Singh on what actually matters when a React Native app leaves the simulator and hits App Store review, privacy rules, and real iPhones.

Devesh Kumar Singh

ESG8 September 20262 min read

ESG reporting is a product problem, not a PDF problem

ESG software fails when it treats BRSR, GRI, and carbon data as documents. Devesh Kumar Singh on what engineering teams actually have to build.

Devesh Kumar Singh

Contextual Intelligence6 September 20262 min read

What a contextual intelligence engine actually is

A contextual intelligence engine does not just store ESG and operations data. It answers "what does this number mean here, now, for this business?"

Devesh Kumar Singh

AI4 September 20262 min read

Practical AI in React Native, without shipping a toy chatbot

How to put AI in a React Native app in a way that is useful, private, and cheap enough to survive production.

Devesh Kumar Singh

Backend2 September 20262 min read

Backend design that does not break React Native apps

Mobile apps fail in the seams: pagination, auth expiry, error shape, and versioning. A backend contract that respects those seams lasts longer.

Devesh Kumar Singh

Sustainability1 September 20261 min read

What a mobile engineer learns building sustainability products

Sustainability software is operational, regulated, and slow to fake. Notes from building mobile and product surfaces around carbon and ESG work.

Devesh Kumar Singh