toufiq

Full Stack Developer

Full-stack developer with 8+ years of experience building scalable web apps, developer tools, and decentralized platforms. Led full frontend and backend development at Totem Live Accounting, designing robust off-chain architecture and modular systems. Adaptable engineer who rapidly learns new ecosystems, from Python and Golang to AngularJS and Polkadot, and delivers production-ready features fast.


Experience: 8 years

Yearly salary: $60,000

Hourly rate: $30

Nationality: 🇧🇩 Bangladesh


Experience

Full-Stack Developer
Nextion
2025 - 2025
Tech: React, TypeScript, Zod, Vite, Tanstack Table, React Hook Form, Python, FastAPI, Postgres, Redis - Developed a trade approval, execution and monitoring UI integrated with Redis-based quant order system and executed using Interactive Brokers (IB) gateway - Fast-tracked learning Python using AI to ship FastAPI-based backend with Dockerized Postgres - Engineered automated audit log system in Postgres, displayed via UI - Supported performance analysis by exposing real-time backend services metrics and trade execution states
Tokenization Developer - Remote - Part-Time
Omniscape
2021 - 2022
- Built the tokenization engine for virtual real estate assets - Integrated Stripe and Web3 payment flows - Worked on the Virtual Real Estate Map application, a SPA frontend in React + Redux and NodeJS backend, deployed on Firebase - Created NodeJS microservice for automation of tokenization transactions using queuing mechanism and singleton pattern Discovered and fixed major security flaws left by ex-dev - Engineered a NodeJS microservice for queueing & automation of Web3 payment transactions and randomization of rewards for campaign events
Co-founder & Lead Developer - Remote
Totem Live Accounting, Switzerland
2019 - 2024
Tech: JavaScript, React, Node.js, CouchDB, Polkadot.js, WebSockets, Semantic UI React, Material UI, TweetNaCl.js Core Contributions: - Sole developer of the entire frontend & off-chain Node.js backend - In-app Blockchain wallet, partner & team management and timekeeping & financial statement viewer - Marketplace with proposal submission & approval with automated payouts on completion - Streamlined user onboarding flow with signup, faucet, backup & diff-aware selective restore system and in-app notifications & chat - Engineered a sequential & resumable on/off-chain transaction queue with history UI for debugging and transparency - Co-designed and implemented BONSAI, an innovative dual on/off-chain proof system using hash anchoring and token-based verification - Launched the Crowdloan & Pledge DApp, raising $1+M in the Polkadot Parachain auction and $83.6K in the pledge round - Secured & encrypted inter-microservice communication with TweetNaCl.js - Authored cross-stack library common-utils with Reactive hooks, components, JSON storage & CouchDB helper and form + API data validation library - Automated CI with GitLab webhooks and custom scripts for source-committed builds and improved release traceability - Coded and deployed Totem Live Accounting homepage from design specs Community Contributions: - Boosted user retention, social engagement & bug discovery through gamified rewards engine and responsive onboarding - Launched and ran the Totem Ambassador Program - Led multilingual Telegram and Twitter engagement, doubling community engagement and improving support responsiveness across 6+ language groups - Provided user support by in-app live chat, socials and led feature walk-throughs Demo Of My Work: - Totem.Live DApp: https://youtube.com/watch?v=29rViB0SFhA - Crowdloan DApp: https://www.youtube.com/watch?v=qBLskkm0iDk&t=61s - Polkadot Decoded: https://www.youtube.com/watch?v=FzqX41_ga2I&t=580s Podcasts: - Totem Tech Talks: https://www.youtube.com/watch?v=ceTPR3oY5RA - RelayChain: https://www.youtube.com/watch?v=ceTPR3oY5RA - Parity & Friends: https://www.youtube.com/live/pryr8DmVMlM?si=sKsGoO7CnRgpJ6mw&t=3080 Open Source: - Totem UI: https://github.com/totem-tech/totem-ui - Message Service: https://github.com/totem-tech/totem-message-service - Common Utils: https://github.com/totem-tech/common-utils - Others: https://github.com/totem-tech
Open Source Work & Other Activities
Self-Employed
2017 - 2019
- Halo Info Bot: Discord chatbot in Go for the Halo Platform blockchain and masternode/DEX data https://github.com/alien45/halo-info-bot - HaloDEX Chart Feed: Real-time TradingView charting data server in Go https://github.com/alien45/halodex-chart-feed - Cloud Connector: Tool for syncing data across AWS S3, GCP, and Azure https://github.com/alien45/cloud-connector - Wrote a PhD research proposal (PDF) on security vulnerability detection in blockchain-based systems (unfunded) https://alien45.github.io/cv/assets/monash-uni-phd-proposal-blockchain-security.pdf - Ran a small GPU-based home crypto mining operation during the early Ethereum days
Full Stack Developer
The Summit Group, Melbourne, AU
2016 - 2017
- WHMCS payment integration via Ezidebit API - SPA admin dashboard for customer billing and invoicing system using AngularJS, deployed with Docker - Backend API & microservices using Go, MySQL & RabbitMQ - Programmed automation tools in Go for parsing, formatting and storing telecom provider billing data
Full Stack Developer
Web123 Pty Ltd, Melbourne, AU
2015 - 2016
- Worked with the tech lead on Foxley CMS, building backend APIs, unit tests (C#/.NET), and UI in AngularJS - Turned designs into working responsive websites
Full Stack Developer
Web123 Pty Ltd, Melbourne, AU
2015 - 2016
- Worked with the tech lead on Foxley CMS, building backend APIs, unit tests (C#/.NET), and UI in AngularJS - Turned designs into working responsive websites

Skills

golang
javascript
node
nosql
postgres
python
react
sql
typescript
full-stack
english