I am Md Nazmul Hasan, a dynamic Full Stack Developer with 8 years of experience leading teams to create AI-powered applications and scalable backend systems. I specialize in designing high-performance REST APIs, data-driven analytics, and end-to-end product delivery, always focusing on collaboration, mentorship, and delivering measurable business value.

Md Nazmul Hasan

I am Md Nazmul Hasan, a dynamic Full Stack Developer with 8 years of experience leading teams to create AI-powered applications and scalable backend systems. I specialize in designing high-performance REST APIs, data-driven analytics, and end-to-end product delivery, always focusing on collaboration, mentorship, and delivering measurable business value.

Available to hire

I am Md Nazmul Hasan, a dynamic Full Stack Developer with 8 years of experience leading teams to create AI-powered applications and scalable backend systems.

I specialize in designing high-performance REST APIs, data-driven analytics, and end-to-end product delivery, always focusing on collaboration, mentorship, and delivering measurable business value.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Fluent
Bengali
Advanced

Work Experience

Backend Engineer at Zelf
March 1, 2024 - November 25, 2025
Developed high-performance REST APIs for analytics systems handling 40 GB+ data per table using raw SQL and Django ORM. Based on 60TB data, implemented time-series analytics, sentiment analysis, and key performance dashboards driving revenue during the 2025 US election cycle. Built scalable backend services and led CI/CD pipelines.
Full Stack Developer at Andela
April 1, 2024 - April 1, 2024
Developed LLM-integrated REST APIs with direct connections to GPT, embeddings, and diffusion models. Led frontend development including Text-to-Text and Text-to-Image features; used Sentry and New Relic for real-time error tracking. Built and deployed showcase pages using AWS Amplify and GitHub Pages. Integrated SSO authentication using Okta; led a team handling 3TB+ of structured data; designed analytics dashboards for real-time insights.
Backend Engineer at Sixads
March 1, 2022 - March 1, 2022
Developed automated Shopify Ads campaign system and managed ad content. Built Amazon Ads management platform using domain-driven design principles; created Twitter and Telegram automation bots using FastAPI for content distribution.
Backend Developer at CodeSign
January 1, 2020 - January 1, 2020
Developed corporate websites and E-learning platforms using Django and Django REST Framework. Built content management systems with custom workflows and user authentication; implemented API integrations and database optimization for improved performance.
Backend Engineer at Zelf AI
February 1, 2024 - January 1, 2026
Developed high-performance REST APIs for analytics systems handling 40 GB+ data per table using raw SQL and Django ORM; implemented time-series analytics, sentiment analysis, and performance dashboards; contributed to revenue generation during the 2025 US election cycle; built an AI agent capable of generating brand-specific comments or collecting more data to improve content and branding.
Backend Engineer at Andela
April 1, 2023 - February 1, 2024
Developed LLM-integrated REST APIs with direct connections to GPT, embeddings, and diffusion models; led frontend development to build React UI components including Text-to-Text and Text-to-Image features from Figma designs; used Sentry and New Relic for real-time error tracking; built a showcase webpage on AWS Amplify and GitHub Pages; integrated Okta SSO authentication; worked on a data-heavy production system handling 3TB+ of structured data.
Software Engineer at Remote Devs
June 1, 2021 - March 1, 2023
Developed automated Shopify Ads campaign system; built Amazon Ads management platform using Domain-Driven Design (DDD); created Twitter and Telegram automation bots using FastAPI.
Software Engineer at Strativ AB
January 1, 2021 - June 1, 2021
Designed a comprehensive tour-booking engine tailored to the Swedish market; integrated Klarna as a payment method; implemented REST for UI and Dockerized backend.
Software Engineer at CoDesign
January 1, 2018 - December 1, 2020
Developed corporate websites and E-learning platforms using Wagtail and Django; built content management systems with custom workflows and user authentication; implemented API integrations and database optimization.

Education

Bachelor of Science in Mathematics at Shahjalal University of Science and Technology
January 11, 2030 - November 25, 2025
BSc (Mathematics) at Shahjalal University of Science & Technology, Sylhet, Bangladesh
January 11, 2030 - February 10, 2026
CSE (Second Major) at Shahjalal University of Science & Technology, Sylhet, Bangladesh
January 11, 2030 - February 10, 2026

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Education, Financial Services, Media & Entertainment, Travel & Hospitality
    paper Monitoring dashboard with analytics

    In the project, we mainly pull data from tiktok based on provided data by customer. Mainly different brand share their requirements and the backend system pull data from tiktok. Once the data is in our system, the monitoring dashboard generate analytics on different timeseries queries. I was in-charge to develop the monitoring dashboard backend. The backend was based on Python, Django. The complex queries I wrote, was able to calculate analytic data from 60+ TB data in real time. I used redis and django ORM for complex query. In few places, I used raw sql queries to make it faster. Also used materialized views to have data.

    paper Pentest Agent with LAM

    I designed and developed an pentest agent. The agent is mainly responsible to scan user network, backend apis and web application. The agent find out vulnerabilities and send back to SaaS backend as real time report via websocket connection.

    The pentest agent I developed is based on Golang and used Nmap, Amass, OpenVASS, OWSAP ZAP as tool.

    paper IPv6 Design

    In an network infrastructure system, I was incharge to design & develop the feature called IPv6 Design. There user can generate subnets from a GUA and ULA. User also can generate GUA subnets based on location. By using the subnets, user can populate new subnets for different network element, such as Point-to-point links, Vlans, Data centers & so on.

    Also user can allocate new generated subnets to their existing device interfaces. The backend is able to generate config commands with which user can assign subnets.