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Siddharth S Singh

Bangalore, India · remote, any time zone me@shantaram.xyz xyzshantaram xyzshantaram shantaram.xyz

Full-stack TypeScript engineer with four years of production work, most of it as an independent contractor: React applications, APIs, Postgres, browser tooling, and a Rust/WebAssembly runtime. I take a product from an empty repository to a running service, and I maintain a published web framework. Client work has shipped in React, Vue, Angular, and Next.js.

Experience

• Shipped the nostr-canvas plugin runtime in TypeScript and Rust, and clients built on it: monorail, a mobile-first React app with a marketplace and a social feed, and tile-studio, a browser IDE for authoring plugins, with a chat pane, a live sandboxed preview, and a publish pipeline.
• Built that runtime into Ditto v2, a React and TypeScript client with a Capacitor shell: 117 commits covering the embedding layer, a plugin marketplace, an install and permissions flow, and a threat model, plus the AI chat feature with its provider settings, session hooks, and tool system. Earlier I worked deeply on the Mastodon API in Ditto v1, a Hono server.
• Contributed to Nostrify, a core framework in Soapbox’s Nostr tooling. I wrote the initial version of its Postgres storage adapter, compiling protocol filters to Kysely queries over postgres.js and setting up its migrations and benchmarks, and worked around a Deno compatibility bug in postgres.js to get it running. I also built SQLite- and LMDB-backed event stores, and migrated the Nostrify package graph off JSR onto npm so AI coding tools could resolve and build, and set up typechecking in CI.
• Shipped a browser extension with a permission UI and per-site grants, published to the Chrome Web Store and Firefox Add-ons.
• Ported luacheck-ts, a 22k-line static analyzer, to TypeScript so it runs in the browser, Deno, and Node from one codebase.

• Common Ground Practice: built and deployed the full content site on Payload CMS and Next.js with Postgres and Docker Compose, including the admin model and the deploy path. Sole engineer.
• Fractional Finance (later Frabric): Vue front end and Ethereum integrations for a decentralised finance platform.
• Ready Cloud Consulting: Angular front-end components for enterprise clients.

• Designed, built, and sold an IoT product solo: enclosure CAD, a board I designed and fabricated, firmware, backend service, website, instruction leaflet, and packaging. Shipped to real customers with the hardware and firmware open-sourced.

Selected Projects

campfire — A reactive web framework: chainable DOM builder, reactive stores, no build step, no virtual DOM. Maintained since 2021 on npm and JSR, with a docs site. campfire.js.org

writers-jam — A weekly writing exercise and anti-social network. Deno service, running in production: 361 posts and 102,302 views to date. writersjam.shantaram.xyz

etu — Time-clock CLI for freelancers, in Deno and compiled to a single binary. KV storage, and invoicing through Liquid/Typst templates fed a JSON context. I have billed my own contract work with it daily since 2024. xyzshantaram/etu

ink-editor — WYSIWYG markdown editor on CodeMirror 6, with vertical and horizontal modes. xyzshantaram/ink-editor

macrolight — A tiny cross-runtime syntax highlighter, a TypeScript rewrite of asvd’s microlight. xyzshantaram/macrolight

Skills

Languages

TypeScript, JavaScript, Rust, Python, Lua, C, C++, SQL, HTML, CSS

Front end

React, Vue, Angular, Svelte, Next.js, Vite, web components, vanilla. Accessible, responsive, mobile-first work.

Mobile

Capacitor and Cordova wrappers around a React web app, React Native, Ionic. One TypeScript codebase shipped to web, Android, and iOS.

Back end

Deno, Node, Express, Payload CMS, REST+RPC APIs, WebSockets, auth/sessions, Postgres, SQLite, Kysely, Redis

Practice

Testing with Vitest and Playwright, CI pipelines, semantic release, code review, technical writing

Ops

Linux, Docker, dokku, nginx, self-hosted deployment. I run my own production services.

Working style

Independent, written-first, comfortable across every time zone, used to owning a project from scope to delivery.

Education and Speaking

"Hackable By Default" — Talk at bitcoin++ Nairobi, 2026, on software that empowers users to extend it themselves, by building systems easy for both people and computers to understand. youtu.be/PO1lggcj-Ic

References

• Chad Curtis — Soapbox
• James Sutton — Fractional Finance
• Jared Ready — Ready Cloud Consulting

Contact details on request.

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