Hey, I'm Mashrur Hossain Khan

I am a software engineer with 3+ years of experience across backend development, CRM automation, integrations, and cloud-based systems. I have worked with Node.js, Spring Boot, HubSpot, AWS, Docker, and REST APIs to build reliable business solutions. Most recently, I worked at a HubSpot Platinum Partner where I delivered large-scale CRM migrations, workflow automation, and third-party integrations for real clients.

software engineer illustration

Selected projects across CRM automation, backend systems, integrations, and web applications

Technical Skills

Programming & Backend

JavaScript (ES6+), TypeScript (basic), Python, Java, C/C++, Bash

Node.js, Express.js, Spring Boot, REST APIs, Webhooks

Frontend

React, HTML, CSS, HubSpot CMS (HubL), Responsive UI

Databases

MySQL, PostgreSQL, MongoDB

Cloud & DevOps

AWS, Azure, Docker, CI/CD (GitHub Actions, Jenkins), CloudFormation

Monitoring & Infra

CloudWatch, Grafana, Prometheus, Apache, Tomcat, Nginx

CRM & Integrations

HubSpot CRM, Workflows, APIs, Custom Objects, Data Migration, Zapier, Make

Tools

Git, Jira, Linux, macOS, Kubernetes (basic), Terraform (familiar)

Experience

2024

Mid-level Node.js DeveloperHubxpert (HubSpot Platinum Partner)

Worked on CRM migrations, workflow automation, API integrations, and data pipelines. Built solutions using Node.js, HubSpot APIs, webhooks, Zapier, and custom scripts. Contributed to Hubxpert achieving HubSpot Migration Accreditation.

2022

Solutions DeveloperAstra Supply Chain Services Ltd

Developed backend enterprise applications using Spring Boot. Deployed 10+ applications on Tomcat and Nginx, worked with Docker and AWS, and implemented Azure AD SSO.

2022

Solutions DeveloperOtto International, Bangladesh

Supported enterprise software development and internal system maintenance while collaborating with the broader development team.

2021

Software EngineerSoftronixs System Ltd

Worked across the full software development lifecycle. Built MERN stack applications with MySQL, wrote unit tests using Jest, used Winston logging, and managed hosting environments with cPanel.

Education & Skills

2020

BSc in Computer Science & EngineeringEast West University, Dhaka

Strong academic foundation in software engineering, backend systems, algorithms, databases, and computer science fundamentals.

Core

Backend & CloudNode.js, Express.js, Spring Boot, AWS, Docker

Experienced in building APIs, automation scripts, scalable backend systems, deployments, and cloud-supported services.

CRM

HubSpot & IntegrationsWorkflows, APIs, Custom Properties, Data Migration

Skilled in HubSpot CRM, automation workflows, custom object mapping, third-party integrations, data cleaning, and reliable sync architecture.

Tools

Other ToolsMySQL, PostgreSQL, MongoDB, Git, Linux, Nginx, Jira

Comfortable working across databases, DevOps tooling, monitoring, version control, and production support workflows.

Blogs

Learn, build, and discover across software engineering, DevOps, backend development, and real-world problem solving.

Interested in working together? Let's talk