Backend engineer shipping real-time & AI-native products.

// about
I design and ship backend systems — scalable APIs, WebRTC/WebSocket pipelines, and AI workflows with RAG, MCP, and agent-driven coding. Currently at AI Buddy Catalyst Lab, previously Potential (Seoul) and Brain Station 23.

get in touch ↗ github ↗ linkedin ↗

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01 / 06

Experience

five roles · remote, hybrid, on-site · 2024 — present
  1. Mar 2026 — Present

    AI Buddy Catalyst Lab

    AI Native DeveloperCanadaRemote · Full-time

    Shipping across Martial Apps and Doc Director: support ticket automation with ClickUp, real-time notifications, analytics, role-based workflows, WYSIWYG document pipelines, and voice-AI onboarding — built with agent-driven coding and AI automation.

    hover to see project breakdown

    active projects at AI Buddy

    • Martial Apps Support-ticket automation with ClickUp, real-time notifications, analytics, scheduling fixes, and role-based workflow features.
    • Doc Director AI document platform: WYSIWYG pipeline with rich-text editor, voice-AI onboarding, question catalog with RBAC, user profiles, model switching, admin auth, and React Query-driven admin UI.
  2. Feb 2025 — Apr 2026

    Potential

    Jr. Backend EngineerSeoul, South KoreaRemote · Full-time

    Projects: real-time communication platform (blink detection + WebRTC/WebSockets), Parking Lot Management System, 343Pet, NearWork, onuii CRM, and K-Talk LMS backend services.

    hover to see major projects

    major projects shipped at Potential

    • Blink WebRTC + WebSocket signaling with blink-detection driven liveness checks for secure remote sessions.
    • Roadmap Backend services for slot allocation, vehicle entry/exit tracking, and operator dashboards.
    • 343Pet Pet-care platform with OpenAI-powered assistant for pet health analysis and service APIs powering the consumer product.
    • NearWork Location-aware work-matching backend with job posting, search, and notification pipelines.
    • onuii CRM CRM backend: contact pipelines, role-based access, and workflow automation APIs.
    • K-Talk LMS Learning management backend — lessons, enrollments, progress tracking, and instructor tooling.
  3. Nov 2024 — Feb 2025

    Bismo

    Product Backend Engineer L-2Mohakhali, BangladeshHybrid

    Projects: AmarWallet admin dashboard and KINSO Inventory Management System; delivered backend APIs and operations features for employee, sales, discount, and stock workflows.

  4. Sep 2024 — Jan 2025

    Finnext

    Jr. Fullstack DeveloperFaridpur, BangladeshRemote · Contract

    Project: PAYSTUBHERO SaaS; implemented payroll document generation, invoices, pay stubs, and tax-form workflows using Laravel, React, and MySQL.

  5. Jun 2024 — Sep 2024

    Brain Station 23

    Software Engineer TraineeMohakhali, BangladeshOn-site

    Project: e-commerce API platform; built core backend modules with NestJS, PostgreSQL, Prisma, and Redis while following Agile delivery practices.

02 / 06

Selected Projects

hover a card to expand · all backend-focused
001 · ai + eduactive

Tututor Learning

AI learning platform with RAG-powered chat, auto-generated study assets, and planner-guided Pomodoro sessions.

stackNestJS · Postgres · OpenAI · RAG · Redis
rolebackend architecture, AI workflows
year2025 — present
002 · platformshipped

Booklet

Educational resource backend with JWT, Google OAuth, OTP verification, RBAC, S3 uploads, and queue jobs.

stackNestJS · Prisma · Postgres · S3 · BullMQ
roleauth, uploads, queue infra
year2024
003 · storageshipped

Jotter

Storage management platform for authenticated uploads, analytics, and document organization.

stackNode.js · Express · MongoDB · S3
roleAPI, analytics, document pipeline
year2024
004 · contentshipped

Movie Management System

Content platform enabling creation, rating, and issue reporting for movie records.

stackNode.js · Express · MySQL
rolefull CRUD, rating, moderation
year2024
03 / 06

Technical Skills

grouped by layer · hover to highlight

Languages

JavaScript TypeScript

Runtime & Frameworks

Node.js NestJS Express.js Laravel Next.js React

Data & Storage

PostgreSQL MySQL MongoDB Prisma ORM Redis

Real-time & Transport

WebSocket WebRTC Socket.IO

AI & Agents

RAG OpenAI AI Workflow AI Architecture AI Automation MCP Server Agent-Driven Coding Claude Workflow

Platform & DevOps

Docker Linux ClickUp API Role-based Access Control
04 / 06

Education

formal academic record

Bangladesh University of Business and Technology

B.Sc. in Computer Science and Engineering

2025 — Present

Faridpur Polytechnic Institute

Diploma in Computer Science and Technology · CGPA 3.90

Completed
05 / 06

Achievements

outside the day-job

Competitive Programming

Solved 850+ DSA problems and reached finalist position in the UGV South Zone Programming Contest.

06 / 06

Contact

press ⌘ K to copy any channel
email mahmudtalha80@gmail.com send → phone +880 1796 812 723 call → linkedin /in/talha4t open ↗ github /talha4t open ↗
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