hjr265.me / Experience

Software Engineer / CEO @ Furqan Software

I started Furqan Software in 2015 because I wanted to build software that lasts. Named “Furqan” (فرقان /fʊrˈkɑːn/, “criterion”), the company reflects a commitment to clear architecture, honest communication, and practical craftsmanship so clients get reliable, maintainable solutions that grow with them.

Language Server Integration Developer @ LiveDocs

Developed a language server client with custom requirements in TypeScript for CodeMirror 6.

Integrated the language server client into an existing Rust-based web application.

Investigated and solved a language server bug in the open-source Python LSP Server project.

TypeScript, JavaScript, CodeMirror, Language Server Protocol (LSP), Rust

Software Engineer @ Hivello

Implemented cross-platform orchestration support for several DePINs in Go.

Engineered a generalized solution for DePIN pre-funding.

Designed a solution for tracking client device uptime and rewards.

Supported team in transitioning from a desktop-only to a cloud-backed desktop solution.

Led a team of developers focused on adding support for DePINs.

Profiled and optimized performance issues in Go.

Go, Google Cloud Platform, Docker, Podman, WSL, Windows, Linux, Blockchain, Web3, Alchemy, BitQuery

Software Engineer @ Cruise

Built integrations between incident management and site reliability tools.

Designed and implemented an event audit framework using Go.

Implemented data synchronization pipelines using Go on Google Cloud Dataflow.

Designed dashboards using Looker and Looker Studio.

Worked on infrastructure using Terraform and Helm.

Configured CI/CD to automate and optimize deployment.

Go, Terraform, Kubernetes, Google Cloud Platform (BigQuery, Dataflow), Looker

Integration Developer @ Deliveroo

Designed and implemented state machine-based data pipelines.

Implemented and maintained custom integrations with Go.

Reviewed and refined integration developer documentation.

Facilitated team stand-ups and refinement sessions.

Go, PostgreSQL, Redis, AWS (Lambda, S3, Step Functions), Terraform

Lead Editor for Engineering Blog @ Toptal

Separation Anxiety: A Tutorial for Isolating Your System with Linux Namespaces

Going Real-Time with Redis Pub/Sub

The Top 10 Most Common Mistakes That Node.js Developers Make

Simplified NGINX Load Balancing with Loadcat

Deploy Web Applications Automatically Using GitHub Webhooks

Introducing Battlescripts: Bots, Ships, Mayhem!

Predicting Likes: Inside A Simple Recommendation Engine's Algorithms

Taming WebRTC with PeerJS: Making a Simple P2P Web Game

Top 8 Most Common Mistakes That Backbone.js Developers Make

Senior Software Engineer @ Mukto Software

CodeMarshal

Lithouse Developer Portal

Defense Contracts Aggregator

Report Engine (later Meghdut)

Other client projects

Node.js, Python, Go, PostgreSQL, MongoDB, Redis, AWS S3, IronMQ

Judge at ACM ICPC Dhaka Regional @ Bangladesh Association of Problem Setters

ACM ICPC 2014 Dhaka Regional

ACM ICPC 2013 Dhaka Regional

Full-stack Developer @ Mainsocial

Fantasy Sport Web Games

Web Applications

Firebase, JavaScript

System Administrator @ PARIKALPAK

Network Administration

Configure Hardware and Software

Teaching Assistant @ North South University

Discrete Mathematics

Digital Logic

Operating Systems Design

Design and Analysis of Algorithms

Programming Language Concepts

Teacher @ ADROIT International

Chemistry (GCE O’ and A’ Level)