Hi, I'm Raisul Hasan·Available for hire

Full-Stack Engineer
& Software Developer

I build production-grade web applications, architect cloud infrastructure on bare-metal VPS, and automate business workflows — so your systems scale without the overhead.

74+

Products Built

Full-stack apps, SaaS & custom tools

5+

Years Experience

Engineering & cloud architecture

4.9/5

Client Satisfaction

Rated across global projects

3 Spoken

Language Expertise

🇬🇧English🇧🇩বাংলা🇮🇳हिन्दी

Core Engineering Services

Software Development

Starting at $600

Custom 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.

PythonNode.jsTypeScriptElectronFastAPIPostgreSQLRedis

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

Web Development

Starting at $500

Production-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.

Next.jsReactNode.jsTypeScriptPostgreSQLPrismaRedisTailwind

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

VPS & Cloud Management

Starting at $150

Enterprise 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.

UbuntuDockerNginxCertbotBashUFWUptime Kuma

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)

Automation & Scripting

Starting at $200

Eliminate repetitive tasks with smart automation

Custom automation solutions using Python, Node.js, and Bash. Connect APIs, automate workflows, process data, and trigger smart notifications.

PythonNode.jsBashFastAPITelegraf.jsPlaywrightCron

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

Managed DevOps

Starting at $300

CI/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.

GitHub ActionsDockerDocker ComposeNginxBashPM2Sentry

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

Core SEO & Web Performance

Starting at $250

Technical search engine optimization & sub-second Core Web Vitals

Engineered for high organic rankings and ultra-fast page speeds. Deep technical audits, schema markup architecture, Core Web Vitals optimization (LCP, INP, CLS), SSR/ISR caching, and Google Search Console indexation mastery.

Next.js SEOSchema.orgLighthouseCloudflareOpenGraphScreaming FrogGoogle Console

Fixed Price

Websites struggling with speed, crawl errors, or rankings

Monthly Retainer

Growing businesses and content publishers

What's Included

  • Technical SEO & site architecture audit
  • Core Web Vitals optimization (90+ Google PageSpeed score)
  • Structured data & JSON-LD Rich Snippet schema architecture
  • SSR / ISR caching & Edge CDN latency reduction
  • Dynamic XML sitemaps, robots.txt, and crawl budget tuning
  • OpenGraph, Twitter Cards, and social meta previews
  • Google Search Console & Bing Webmaster indexation fix
  • Canonicalization, 301 redirect chains & 404 cleanup

Featured Projects

Real systems, real metrics — built to solve real business problems.

What Tech I Use

Every battle-tested runtime, cloud infrastructure, database, workflow automation, and design tool across my engineering stack.

Next.js 16
TypeScript
React 19
Redux Toolkit
Node.js
Python 3
Docker
Git & GitHub
PostgreSQL
Redis
MongoDB
Prisma & Drizzle
FastAPI
Strapi CMS
GraphQL & REST
Kubernetes
Linux / Ubuntu
Hetzner Cloud
Cloudflare & R2
Nginx & Certbot
Tailwind CSS v4
GitHub Actions
BullMQ
Puppeteer / Playwright
n8n Automation
Telegram Bots
Google Lighthouse
Schema.org & SEO
Prometheus & Grafana
Uptime Kuma
Figma
CapCut
Postman
Electron & Tauri
WebSockets / Socket.io
PM2 / Systemd

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
Most Popular
Business
$1,000–$5,000

3–8 weeks

  • Full-stack web application
  • User authentication & roles
  • Database design & API
  • Admin dashboard
  • 3rd party integrations
  • 3 rounds of revisions
  • 2 weeks post-launch support
Enterprise
$5,000+

8+ weeks

  • Complex multi-module platforms
  • Microservices / multi-tenant architecture
  • Advanced performance optimization
  • Load testing & security audit
  • Full documentation
  • VPS deployment included
  • 30 days post-launch support

Accepted Payment Methods

Bank Transfer
bKash
bKash
Nagad
Nagad
Wire / Wise

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 ✓
Knowledge & Dev Media

Latest Articles & Dev Content

Deep-dives on DevOps, system design, and performance, along with full video tutorials and dev shorts.

Have a project in mind?

Whether it's a full-stack web application, VPS cloud architecture, data scraping pipeline, or business workflow automation — let's build something exceptional together.

Assalamu Alaikum!
How can I assist your project?