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Tasdid Hosain

Software Engineer

Summary

I'm a software engineer at Nyntax, a web and product studio in Bangladesh. My specialty is connecting websites to other platforms: voice agents on Retell, CRM data in HubSpot, repositories across GitHub, GitLab and Bitbucket, boards in Trello, email through Resend, and AI through OpenAI and ElevenLabs, running on AWS, Azure, GCP, Firebase or Supabase.

Experience

  1. Software Engineer · Nyntax

    Nov 2024 – Present

    Integrations, automation and AI features for the agency's client SaaS products.

    • Built compliance automation across 40+ platforms for a Y Combinator-backed client (SOC 2, HIPAA, GDPR, PCI DSS), shipping on fast-moving deadlines with its US startup team and picking up unfamiliar platforms quickly.
    • Built and maintained features across the agency's other client SaaS products on web and mobile, including AI-powered features, payment integrations and workflow automation.
    • Built internal automation and web-scraping tools that replaced manual research with repeatable data pipelines for the agency's business development.

    TypeScript · Go · Node.js · Next.js · React · React Native · Puppeteer · Computer-use agents · OAuth

  2. Freelance Software Engineer · Self-employed

    Sep 2021 – Present

    Specializing in platform integration and automation for clients worldwide.

    • Delivered web and mobile products for 20+ clients, from Figma designs to production releases on iOS, Android and the web.
    • Shipped apps live on the App Store and Google Play, including Panoply Learning, a reel-style course platform, and Refindz, a collectors' marketplace.
    • Built integrations and backend automation connecting client apps to third-party services, payments and admin dashboards.
    • Owned projects end to end: scoping with clients, building, shipping and maintaining them after launch.

    React Native · Next.js · React · Firebase · Cloud Functions · Tailwind CSS

Selected projects

  1. Shiritori · Solo developer

    2024

    A two-player word-chain game with live dictionary checks, turn timers and scoring, built in three hours with no AI assistance.

    next.js · react · typescript · tailwind-css · free-dictionary-api · Case study

Skills

Integrations
Retell AI, HubSpot, OpenAI, OpenRouter, ElevenLabs, Resend, GitHub, GitLab, Bitbucket, Trello, Stripe, Sola
Automation
Puppeteer, Computer-use agents, Compliance automation
Cloud & platforms
AWS, Azure, GCP, Cloudflare, Vercel, Firebase, Supabase, Docker
Languages
TypeScript, JavaScript, Go, Python, C#, Dart
Frameworks
Next.js, React, React Native, Node.js, Express, NestJS, FastAPI, ASP.NET Web API, Flutter, Tailwind CSS, Three.js
Data
PostgreSQL, MongoDB, MSSQL
Game dev (hobby)
Unity, Blender

Education

  • BSc in Computer Science and Engineering · American International University-Bangladesh (AIUB) · CGPA 3.59May 2021 – Aug 2025