Amboss
United States • Remote
Software Engineer
Nov 2024 - Present
Working full-stack across Bitcoin/Lightning products, paid API access, identity, and Taproot Assets surfaces.
Rajat Khanduri/wthrajat.com
Software EngineerIndia / Remote
About
Full-stack SWE with 5+ years of experience across payment products, APIs, UIs, web apps, platform services, and engineering tools. Currently working in the Bitcoin and Lightning Network ecosystem.
Experience
Coinswap
United States • Remote
Software Engineer • Maintainer
Nov 2023 - Oct 2024
Maintained Coinswap protocol code as a core Rust library maintainer across storage, tests, docs, and APIs.
Summer of Bitcoin
United States • Remote
Selected Fellow • Open Source SWE
May 2024 - Sep 2024
Rebuilt Coinswap wallet internals with BDK, modular storage, sync, and cleaner APIs.
Google Summer of Code
France • Remote
Selected Fellow • Open Source SWE
May 2023 - Sep 2023
Built a searchable graph explorer for linked XWiki pages.
Freelance
India • Remote
Freelance Software Engineer
Dec 2021 - Apr 2023
Delivered freelance software work across platforms, client projects, hackathon builds, and open-source maintenance.
Skills
Languages
- TypeScript
- Rust
- Go
- Python
- JavaScript
- C/C++
- Solidity
- Shell
Backend
- Node.js
- NestJS
- gRPC
- REST
- GraphQL
- PostgreSQL
- Redis
- OAuth 2.0
- JWT
Frontend
- React
- Next.js
- Astro.js
- D3.js
- Graphology
- SigmaJS
DevOps
- AWS
- Docker
- Kubernetes
- CI/CD
- Datadog
- GitHub Actions
Blockchain
- Bitcoin
- Lightning Network
- Taproot Assets
- Payments
- Wallets
- Protocol testing
AI
- MCP
- RAG
- LLM APIs
- Claude Code
- Codex
Styling
- Tailwind CSS
- Design systems
Achievements
- Summer of Bitcoin: selected from 5000+ applicants.
- Linux Foundation Mentorship: selected from 10,000+ applicants.
- Google Summer of Code: selected fellow from the top 2% of 43,765 applicants; shipped a 350-hour project.
- Major League Hacking: selected for the software engineering track.
- CodeChef Long Challenge II: Global Rank 1.
- Open-source and private work: 2000+ total pull requests merged.
- Technical writing: maintains technical docs and writes on systems, Go, and web development.
Projects
C++17 terminal download manager with segmented downloads, resumable state, batch queues, and an interactive TUI.
- Built a C++17 terminal download manager with segmented downloads, batch queues, scheduling, and resume files.
- Implemented worker rebalancing, retries, preallocation, and an FTXUI interface with live download feedback.
- C++17
- CMake
- POSIX
- FTXUI
- Shell
Extended AA Torque for Honda Elevate with Android Auto dashboard customization, gauges, conversions, and docs.
- Customized AA Torque for Honda Elevate with Android Auto themes, gauges, and conversion strings.
- Documented Honda Elevate setup and Torque Pro/OBD2 workflow while keeping fork attribution clear.
- Kotlin
- Java
- Android Auto
- Torque Pro
- OBD2
Published Rust CLI for generating conventional commit messages from staged Git changes.
- Built and published a Rust CLI for conventional commit generation from staged Git changes.
- Added interactive setup, OpenAI/Gemini support, configurable message style, signing, and hook controls.
- Rust
- Git
- OpenAI
- Gemini
- Cargo
Full-stack AI evaluation platform for dataset ingestion, model scoring, and human adjudication workflows.
- Built a full-stack AI evaluation control plane with Next.js, FastAPI, PostgreSQL, Redis, and Celery.
- Supports dataset ingestion, rubric versioning, model evaluation dispatch, scoring, human review, and exports.
- Next.js
- TypeScript
- FastAPI
- PostgreSQL
- Redis
- Celery
XWiki extension for searchable page relationship graphs.
- Integrated backlinks, titles, URLs, and document references through XWiki APIs.
- Added search, facets, filters, theme-aware graph UI, documentation, and demos.
- TypeScript
- XWiki
- Solr
- Graphology
- Sigma.js
C++ content-aware image resizing with OpenCV and CMake.
- Implemented seam identification and removal with dynamic programming.
- Built a C++ binary around OpenCV, GLEW, and CMake.
- C++
- OpenCV
- CMake
- GLEW
macOS dotfiles for a reproducible development workspace.
- Organized macOS configs for window management, terminal, shell, editor, and status bar tooling.
- Maintains a reproducible development workspace backed by Lua and Shell config.
- Lua
- Shell
- macOS
- yabai
- sketchybar
Education
Bachelor of Engineering
Grade 7.25/10
High School
Grade 9.56/10