Enterprise SaaS CRM Platform
A production-grade multi-tenant CRM handling 50,000+ leads/month with real-time dashboards, email automation, and role-based access control.
Read Case StudyHi, I'm Raisul Hasan·Available for hire
Full-Stack Engineer& Software Developer& Web App Builder& Data Scraping Expert& Cloud Architect& Automation Specialist& DevOps Engineer
I build production-grade web applications, architect cloud infrastructure on bare-metal VPS, and automate business workflows — so your systems scale without the overhead.
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Products Built
Full-stack apps, SaaS & custom tools
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Years Experience
Engineering & cloud architecture
0/5
Client Satisfaction
Rated across global projects
0 Spoken
Language Expertise
🇬🇧English🇧🇩বাংলা🇮🇳हिन्दी
Core Engineering Services
Software Development
Starting at $600Custom software solutions built for real business problems
Full-cycle custom software development — from architecture design to deployment. Desktop apps, APIs, SaaS platforms, internal tools, and enterprise systems tailored to your exact workflow.
Fixed Price
Well-defined software projects
Monthly Retainer
Long-term software products
What's Included
- Custom business application development
- SaaS platform architecture & development
- API design, integration & microservices
- Desktop applications (Electron, Tauri)
- Internal tools & admin dashboards
- Legacy system modernization
- Technical consulting & architecture review
- Code audits & performance optimization
PythonNode.jsTypeScriptElectronFastAPIPostgreSQLRedis
Web Development
Starting at $500Production-grade full-stack web applications
End-to-end web application development using modern stacks. From landing pages to enterprise-scale platforms — clean architecture, fast performance, and scalable databases.
Fixed Price
MVPs, landing pages, defined projects
Hourly
Ongoing feature additions, bug fixes, audits
What's Included
- Next.js / React frontend with SSR & ISR
- REST & GraphQL API design
- Database design (PostgreSQL, MongoDB, MySQL)
- Authentication (JWT, OAuth, NextAuth)
- Payment gateway integration (Stripe, bKash, SSLCommerz)
- Admin dashboards & CMS panels
- Mobile-responsive & PWA-ready
- Third-party API integrations
Next.jsReactNode.jsTypeScriptPostgreSQLPrismaRedisTailwind
VPS & Cloud Management
Starting at $150Enterprise infrastructure at affordable prices
Deploy and manage production-grade server infrastructure on VPS/bare-metal. Save 60–80% vs managed cloud while getting the same reliability.
One-time Setup
New server deployments
Monthly Retainer
Businesses needing managed server ops
What's Included
- VPS provisioning & hardening (Ubuntu/Debian)
- Nginx/Caddy reverse proxy configuration
- SSL certificate automation (Certbot/Let's Encrypt)
- Docker & Docker Compose orchestration
- Multi-app hosting on shared infrastructure
- Firewall setup (UFW, iptables)
- Automated backups to remote storage
- Monitoring & alerting (Uptime Kuma, Prometheus)
UbuntuDockerNginxCertbotBashUFWUptime Kuma
Automation & Scripting
Starting at $200Eliminate repetitive tasks with smart automation
Custom automation solutions using Python, Node.js, and Bash. Connect APIs, automate workflows, process data, and trigger smart notifications.
Fixed Price
Specific automation tasks
Hourly
Complex integrations with changing specs
What's Included
- Python scripts for data processing & scraping
- Telegram & WhatsApp business bots
- Webhook integrations (Shopify, WooCommerce, Zapier)
- Scheduled cron jobs & task queues
- Email automation pipelines
- Excel/Google Sheets automation
- File processing & report generation
- API aggregation & transformation
PythonNode.jsBashFastAPITelegraf.jsPlaywrightCron
Managed DevOps
Starting at $300CI/CD, containerization, and zero-downtime deployments
Modern DevOps practices for teams and businesses. Automate your deployment pipeline, containerize your apps, and ship faster with confidence.
Fixed Price
New projects needing DevOps from scratch
Monthly Retainer
Teams needing DevOps support
What's Included
- GitHub Actions / GitLab CI pipeline setup
- Docker & Docker Compose configuration
- Zero-downtime deployment strategies
- Environment management (dev/staging/prod)
- Secret management & .env security
- Database migration automation
- Log aggregation & error tracking
- Performance monitoring & alerting
GitHub ActionsDockerDocker ComposeNginxBashPM2Sentry
Featured Projects
Real systems, real metrics — built to solve real business problems.
E-commerce Order Automation Suite
End-to-end order processing automation for a Daraz/Shopify seller — from order intake to warehouse dispatch with Telegram notifications.
Read Case StudyProduction VPS Infrastructure — 12 Apps
Designed and deployed a shared VPS infrastructure hosting 12 production web applications with zero-downtime deployments, SSL automation, and monitoring.
Read Case StudyTutorials & Dev Content
I share everything I build — system design, DevOps walkthroughs, and engineering deep-dives.
YouTube Tutorials
Subscribe 
Self-Hosting 12 Apps on a $20/mo VPS — Complete Setup Guide
Complete walkthrough of my production VPS setup handling 12 live web applications.
Next.js App Router: Performance Optimization Deep Dive
How I cut TTFB from 800ms to under 100ms using ISR, Server Components, and DB query optimization.
Building a Telegram Bot That Replaces Your Support Team
Full technical walkthrough of order automation bots running for live businesses.
Flexible Engagement Models
Choose the model that fits your project — no hidden fees, no surprises.
Fixed scope, fixed price — perfect for defined projects
Starter
$300–$1,000
1–3 weeks
- Landing page / brochure site
- Up to 5 pages with responsive design
- Contact form with email notifications
- Basic SEO setup
- 1 round of revisions
- Deployment to your hosting
Accepted Payment Methods
How We Work Together
A frictionless 4-step roadmap engineered for velocity, complete transparency, and zero surprises.
STEP 01
Discovery & Scope
Strategy & Quote
We discuss your goals, tech stack, and deliverable timeline. You get a comprehensive blueprint and fixed quote within 24h.
Phase 01
STEP 02
Contract & Kickoff
Milestone Setup
Simple agreement signed, repository initialized, staging environment and progress tracker configured.
Phase 02
STEP 03
Agile Development
Live Demos & CI/CD
Continuous progress updates, live staging preview URLs, rapid iterations, and direct async communication.
Phase 03
STEP 04
Launch & Handover
Production Live
Zero-downtime deployment, DNS setup, complete documentation, source handover + 30-day post-launch warranty.
Phase 04Done ✓
Latest Engineering Articles
Deep-dives on DevOps, performance, automation, and real-world system architecture.
DevOps12 min read
How I Host 12 Production Apps on a Single $20/month VPS
A complete walkthrough of my Nginx + Docker Compose setup that handles 12 live web applications — with SSL, monitoring, and automated deployments — for a fraction of cloud costs.
Read ArticlePerformance15 min read
Next.js App Router: Achieving Sub-100ms TTFB in Production
Performance optimization deep-dive: ISR, Server Components, route caching, and database query optimization techniques that cut time-to-first-byte from 800ms to under 100ms.
Read ArticleAutomation10 min read
Building a Telegram Bot That Replaced 3 Full-Time Employees
A technical case study on architecting a Telegram automation suite for an e-commerce business — order processing, customer service, and inventory management, all on Telegram.
Read Article
