# Afif Ahmed **Full-Stack Developer** Bangladesh · Open to Remote Worldwide Email: afif.ahmed@yahoo.com · Phone: +880 1739-945728 LinkedIn: https://www.linkedin.com/in/afifahmedbd/ · GitHub: https://github.com/afifsylhet/ · Portfolio: https://afifahmed.dev --- ## Professional Summary Full-Stack Developer with 3+ years building production web, mobile, and desktop applications using React, Next.js, Node.js, TypeScript, Go, MongoDB, and PostgreSQL. Shipped 20+ client and personal projects spanning SaaS platforms, real-estate discovery, hospital management systems, and mobile assessment tools. Brings 13+ years of data management, finance, and administrative experience from Johns Hopkins University and UN-funded humanitarian programs (IOM, UNICEF), enabling software that meets real operational constraints — audit trails, reporting accuracy, and usability for non-technical teams. Available for freelance and full-time remote roles across US, Canada, UK, Europe, Australia, and Singapore. --- ## Core Competencies Full Stack Development · REST API Design · Software Architecture · System Design · Database Design · Role-Based Access Control · Authentication & Security · Responsive Design · Performance Optimization · Scalable Applications · Clean Code · API Integration · Cross-Platform Development · Agile Delivery · Client Communication · Remote Collaboration --- ## Technical Skills JavaScript · TypeScript · React · Next.js · Node.js · Express.js · Go · Echo · React Native · Electron · HTML5 · CSS3 · Tailwind CSS · Bootstrap · Material UI · ShadCN UI · MongoDB · PostgreSQL · SQLite · Mongoose · Prisma · GORM · JWT Authentication · NextAuth.js · bcrypt · REST API · Framer Motion · Docker · Git · GitHub · ESLint · Server Actions · SEO · PWA · Cloudinary · Nodemailer --- ## Programming Languages - JavaScript - TypeScript - Go --- ## Frontend Technologies - React · Next.js (App Router) · React Native - HTML5 · CSS3 · Tailwind CSS v4 · Bootstrap · Material UI · ShadCN UI - Framer Motion · react-icons · lucide-react - Responsive Design · Dark/Light Theme Support · Scroll Animations - Server-Side Rendering · Static Site Generation · Dynamic Routes --- ## Backend Technologies - Node.js · Express.js - Go · Echo Framework - RESTful API Design · Server Actions (Next.js) - Input Validation · Pagination · Rate Limiting - Multi-Tenant Architecture · Background Jobs - Electron IPC Layer · Offline-First Desktop Services --- ## Databases - MongoDB · MongoDB Atlas - PostgreSQL - NeDB (local/desktop applications) - Geospatial Indexing - Relational Schema Design - ER Modelling --- ## ORMs - Mongoose (MongoDB) - GORM (Go/PostgreSQL) - Prisma --- ## Authentication & Security - JWT Authentication · NextAuth.js Credentials Provider - bcrypt Password Hashing - Role-Based Access Control (RBAC) - Auth-Protected Routes via Next.js Proxy (`proxy.ts`) - Server-Side Session Validation - Environment Variable Security for Admin Credentials --- ## APIs & Integrations - REST API Development and Consumption - Composable Search and Filter Endpoints - Idempotent Submission Handling - Contact Form Server Actions with MongoDB Persistence - Email Notifications (Nodemailer / Gmail SMTP — configured) - File Storage Integration (Cloudinary — configured) - WhatsApp Deep Links · Social Platform Integration --- ## State Management - React Hooks and Component State - Server Components and Server Actions (Next.js App Router) - JWT Session State via NextAuth.js - Database-First Content with Seed Fallback Pattern --- ## DevOps & Deployment - Docker · Containerized Services - Vercel Deployment - MongoDB Atlas - Environment Configuration (`.env` / `.env.local`) - Dynamic Sitemap and Robots.txt Generation - PWA Manifest · OpenGraph and Twitter Metadata - Git Version Control · GitHub --- ## Testing - ESLint (Next.js / TypeScript Configuration) - Cross-Browser and Responsive QA - Accessibility Review (WCAG AA Target) - Lighthouse Performance Optimization - Functional Flow Testing (Auth, CRUD, Contact Form) --- ## AI Tools & Developer Productivity - Cursor · Claude · GitHub Copilot · Codex · Gemini Code Assist - AI-Assisted Architecture Planning · Code Generation · Documentation --- ## Professional Experience ### Contract Full-Stack Developer — Hybrid **DR. IRSHAD ALI HOSPITAL, SYLHET, BANGLADESH** **2022 – Present** · Bangladesh-based, serving internal clients in healthcare, education, and SaaS - End-to-end delivery: own database schema, REST API, and system architecture from client requirements through production deployment across 20+ shipped projects. - Multi-tenant SaaS backend: built a TypeScript/Express + PostgreSQL ERP system serving multiple client organizations from a single codebase, enforcing tenant data isolation at the data layer. - Offline-first systems: shipped Electron desktop hospital-management systems with local NeDB storage, adopted by clinical staff within one week of rollout with zero data-loss incidents. - Security-first APIs: implemented JWT authentication, RBAC, and bcrypt-hashed credentials across all client applications, with server-side session validation on every protected route. - Mobile reliability at scale: built a React Native exam engine with idempotent submission handling and local buffering, eliminating double-scoring and running clean from its first live exam onward. --- ## Featured Projects ### SkillBridge — Mentor-Led Learning Platform **One-line description:** Platform connecting learners with mentors through structured, outcome-based learning paths. **Business problem solved:** Learners could not convert generic tutorials into job-ready skills; mentors lacked a lightweight way to run trackable programmes. **Responsibilities:** - Architected and built full-stack web application with separate frontend and backend repositories. - Implemented role-based access for learners, mentors, and admins. - Designed MongoDB schema for users, paths, milestones, enrolments, and submissions. - Built REST API with JWT authentication, pagination, and server-side validation. **Key features:** Mentor matching engine · Milestone-based learning paths · Progress tracking dashboard · Email notifications on milestone events · CDN-served media assets **Technologies used:** Next.js · TypeScript · Node.js · MongoDB · Tailwind CSS · JWT · REST API **Technical challenges solved:** - Modelled progress as a separate collection for flexible schema evolution. - Implemented role-based routing early to avoid permission rework. - Built reusable path templates to reduce mentor setup time. **Impact:** Replaced ad-hoc mentoring threads with structured paths; unified enrolment, submissions, and feedback in a single dashboard. **GitHub:** https://github.com/afifahmed/skillbridge-web · https://github.com/afifahmed/skillbridge-api --- ### ESTATEIN — Real Estate Discovery Platform **One-line description:** Property-listings platform with faceted search, map-aware filtering, and agent contact flows. **Business problem solved:** Property seekers wasted time on mismatched listings and struggled to reach the right agent quickly. **Responsibilities:** - Built SEO-optimized Next.js frontend with server-rendered listing detail pages. - Developed Node.js search API with composable query parameters and rate-limited enquiry endpoints. - Designed MongoDB collections with geospatial indexing for location-based queries. - Integrated agent contact and enquiry capture tied to individual listings. **Key features:** Faceted search (price, location, type, amenities) · Geospatial filtering · Agent enquiry forms · Server-rendered detail pages for SEO · Image optimization via CDN **Technologies used:** React · Next.js · Node.js · MongoDB · Tailwind CSS · REST API **Technical challenges solved:** - Applied geospatial indexes for practical location filtering at scale. - Used server rendering on detail pages to improve search visibility. **Impact:** Enabled fast, filterable discovery across the full catalogue with direct enquiry capture per listing and agent. **GitHub:** https://github.com/afifahmed/estatein-web · https://github.com/afifahmed/estatein-api --- ### Dr. Irshad Ali Hospital — Hospital Management System **One-line description:** Offline-first Electron desktop application for appointments, doctor profiles, and patient records. **Business problem solved:** Clinic relied on paper records, causing slow retrieval, errors, and no reliable patient history. **Responsibilities:** - Delivered complete desktop HMS replacing paper-based workflows. - Built React UI within Electron with local SQLite database for offline reliability. - Designed relational schema for patients, doctors, appointments, and visits with indexed lookups. - Implemented IPC data layer with validation before every write. **Key features:** Appointment scheduling · Doctor profile management · Patient record management · Offline-first operation · Structured export and backup **Technologies used:** Electron · React · Node.js · SQLite **Technical challenges solved:** - Prioritized offline-first architecture for clinic environments with unreliable connectivity. - Kept data model simple to enable staff onboarding within one week. **Impact:** Fully replaced paper records; unified appointments, patient files, and schedules in one system. Client confirmed team adoption within one week. **GitHub:** https://github.com/afifahmed/irshad-ali-hms --- ### MCQ Engine — Mobile Assessment Application **One-line description:** React Native app for creating, running, and scoring timed multiple-choice exams on mobile. **Business problem solved:** Educators needed reliable timed assessments for large groups; sync and scoring often failed under load on mobile. **Responsibilities:** - Built React Native client with exam authoring, timed sessions, and automatic scoring. - Developed Node.js backend with idempotent submission handling and session management. - Implemented local buffering layer to survive flaky network connectivity during exams. - Designed MongoDB schema for exams, questions, sessions, and per-session answer documents. **Key features:** Exam authoring · Timed sessions · Automatic scoring · Result summaries · Resumable attempts · Local offline buffering **Technologies used:** React Native · TypeScript · Node.js · MongoDB · REST API **Technical challenges solved:** - Prevented double-scoring with idempotent submission endpoints. - Maintained exam usability on weak networks through local buffering. **Impact:** Ran smoothly on the first real exam and every exam since; eliminated manual grading effort for large groups. **GitHub:** https://github.com/afifahmed/mcq-engine-app · https://github.com/afifahmed/mcq-engine-api **Live demo:** https://play.google.com/store/apps/details?id=com.afifahmed.mcqengine (Android early access) --- ### Shimantik ERP — Multi-Tenant SaaS Backend **One-line description:** Multi-tenant ERP backend serving inventory, records, and reporting for multiple client organizations. **Business problem solved:** Separate deployments per client were expensive; the business needed one system with safe tenant data isolation. **Responsibilities:** - Architected and built Go/Echo REST API with tenant-scoped data access. - Designed PostgreSQL schema with tenant_id enforcement across core tables. - Implemented versioned REST API with tenant resolution middleware and RBAC. - Containerized service for simplified multi-client deployment. **Key features:** Multi-tenant data isolation · Inventory management · Records and reporting · Background report generation · Role-based authorization · Consistent error envelopes **Technologies used:** Go · Echo · PostgreSQL · GORM · Docker · REST API **Technical challenges solved:** - Enforced tenant scoping at the data layer to prevent cross-tenant data leaks. - Leveraged Go performance to keep reporting responsive under load. **Impact:** One codebase serves multiple client organizations with isolated tenant data and simplified containerized operations. **GitHub:** https://github.com/afifahmed/shimantik-erp-api --- ### RTM Ma O Shishu Hospital — Mother & Child Hospital Management System **One-line description:** Electron desktop system for patient, staff, and scheduling management at a mother-and-child hospital. **Business problem solved:** Hospital required a reliable, always-available system for front-desk and ward operations without depending on internet connectivity. **Responsibilities:** - Built Electron desktop application with patient, staff, and scheduling modules. - Designed local relational database with indexes tuned for daily lookup patterns. - Implemented IPC data layer with validation and audit-friendly write logging. - Optimized UI for fast, repetitive data entry at hospital front desks. **Key features:** Patient management · Staff management · Daily scheduling · Local database with structured backups · Audit-friendly logging **Technologies used:** Electron · React · Node.js · SQLite **Technical challenges solved:** - Designed interfaces for repetitive daily data entry to improve front-desk speed. - Implemented regular backup workflows essential for clinical settings. **Impact:** System held up under daily hospital use; unified patients, staff, and scheduling in one application. **GitHub:** https://github.com/afifahmed/rtm-hms --- ### Afif Ahmed Portfolio — Developer Portfolio & Admin CMS **One-line description:** Production-ready developer portfolio with MongoDB-backed admin CMS, auth-gated dashboard, and dynamic project case studies. **Business problem solved:** Needed a fast, SEO-optimized portfolio that showcases shipped work with editable content and recruiter-friendly case-study depth. **Responsibilities:** - Built single-page portfolio and dynamic `/projects/[slug]` case-study routes with Next.js 16 App Router. - Implemented MongoDB + Mongoose data layer with seed fallback for resilient content delivery. - Developed NextAuth.js admin authentication with bcrypt hashing and JWT sessions. - Created auth-protected admin dashboard with full CRUD for projects, skills, testimonials, certifications, resume, messages, and SEO settings. - Configured Next.js 16 Proxy for dashboard route protection. - Built contact form Server Action with validation and MongoDB message persistence. **Key features:** Hero · About · Skills grid · Dual-track Experience timeline · Projects grid · Education · Certifications · Testimonials carousel · Contact form · Admin CMS · Dynamic sitemap · PWA manifest · Dark/Light themes · Framer Motion animations **Technologies used:** Next.js 16 · TypeScript · React 19 · Tailwind CSS v4 · MongoDB · Mongoose · NextAuth.js · bcryptjs · Framer Motion · Server Actions · sonner **Technical challenges solved:** - Migrated auth gate from deprecated middleware to Next.js 16 Proxy pattern. - Built DB-first query layer with automatic seed fallback when MongoDB is unavailable. - Structured MongoDB schemas to mirror frontend TypeScript types for type-safe CMS operations. **Impact:** Delivers a launch-ready portfolio demonstrating 20+ shipped projects, 13+ years of cross-domain experience, and full-stack CMS capabilities without redeploying for content updates. **GitHub:** https://github.com/afifsylhet/ **Live demo:** https://afifahmed.dev --- ## Education - Master's in Social Science (MSS) — 2012 - Bachelor in Social Science (BSS) — 2010 - Higher Secondary School Certificate (HSC) — 2006 - Secondary School Certificate (SSC) — 2004 --- ## Additional Experience ### Management Information System (MIS) Officer **2021 – 2022** · Humanitarian Response Programme (UNICEF-funded) - Managed information systems and data workflows for humanitarian response operations. - Supported reporting accuracy and programme administration in a UN-funded environment. ### Finance & Administrative Officer **2018 – 2021** · National NGO, IOM-funded Programme - Handled finance, administrative operations, and programme reporting for an IOM-funded initiative. - Maintained audit-ready records and cross-functional coordination. ### Finance Officer **2018** · National NGO, IOM-funded Programme - Supported financial operations and administrative processes for programme delivery. ### Data Management Assistant **2014 – 2017** · Johns Hopkins University, Bangladesh Office - Managed data entry, validation, and reporting for an international research institution. - Ensured data integrity and timely delivery of information management outputs. ### Data Management Assistant **2012 – 2014** · Shimantik - Performed data management, reporting, and administrative support functions. ### Graphic Designer and Data Entry Operator **2009 – 2012** · Nayeem Computer and Offset Press - Produced graphic design assets and managed data entry operations. --- ## Achievements - Shipped 20+ production projects across web, mobile, and desktop platforms. - Replaced paper-based hospital records with digital systems adopted by clinical staff within one week. - Delivered reliable timed mobile assessments used successfully from the first live exam onward. - Built multi-tenant ERP backend serving multiple client organizations from a single Go codebase. - Earned ITEE (Information Technology Engineers Examination) certification. - Accumulated 13+ years of professional experience across international humanitarian and academic organizations. --- ## Open Source / GitHub **GitHub Profile:** https://github.com/afifsylhet/ **Public Repositories (Featured):** - https://github.com/afifahmed/skillbridge-web - https://github.com/afifahmed/skillbridge-api - https://github.com/afifahmed/estatein-web - https://github.com/afifahmed/estatein-api - https://github.com/afifahmed/irshad-ali-hms - https://github.com/afifahmed/mcq-engine-app - https://github.com/afifahmed/mcq-engine-api - https://github.com/afifahmed/shimantik-erp-api - https://github.com/afifahmed/rtm-hms --- ## Soft Skills - Client Communication · Requirements Analysis · Remote Collaboration - Cross-Cultural Teamwork · Stakeholder Management - Operational Thinking · Audit and Reporting Accuracy - Problem Solving · Adaptability · Time Management - Training Non-Technical Users · Documentation - End-to-End Ownership · Pragmatic System Design --- ## Certifications - **ITEE (Information Technology Engineers Examination)** — IP Exam / ITEE — Earned Verify: https://itpec.org/ **In Progress / Planned:** AWS Certified · MongoDB Developer · Azure Fundamentals · Google Cloud · Meta Front-End · Docker Certified · Kubernetes (CKA)