PHP 8+ / Laravel
Core stack — clean architecture, SOLID, queue workers, service layers.
Senior Full-Stack Engineer · Kolkata, India
Building Scalable Web Solutions That Drive Business
Senior Full-Stack Engineer with 6+ years building SaaS, CRM, checkout, eCommerce, and AI-powered platforms using Laravel, Node.js, and cloud-native infrastructure.
Available for freelance & full-time full-stack roles — usually replies within 24 hours.
Full-stack · AI 6+ yrs full-stack Kolkata, India- 6+
- Years Experience
- 10
- Featured Projects
- 40+
- APIs Delivered
- 12+
- Payment Integrations
- 99.9%
- Uptime Targets Met
Who I am
A full-stack engineer dedicated to systems that work for your business.
Senior Full-Stack Engineer with 6+ years of experience designing, developing, and maintaining scalable web applications and backend systems using PHP, Laravel, Node.js, and RESTful APIs. Experienced in SaaS, CRM, inventory management, checkout, eCommerce, and AI-powered platforms with expertise in MySQL, PostgreSQL, Redis, pgvector, Docker, and cloud deployments on AWS and GCP. Strong background in API architecture, database optimization, payment gateway integration, CI/CD automation, AI agent development, and production support. Passionate about building maintainable software, improving application performance, and mentoring engineering teams.
- ✓ Scalable REST APIs — checkout, orders, CRM, inventory
- ✓ Payments — Sticky.io, Konnektive, CheckoutChamp
- ✓ Database & cloud — MySQL, Redis, Docker, AWS & GCP
My Toolbox
Skills & technologies I work with
Grouped by how central they are to the work I ship.
Core
REST APIs
Clear contracts, versioning, and integrations your team can keep shipping against.
MySQL
Schema design, indexing, transactions, and query tuning for real traffic.
Redis
Caching, sessions, and queues where latency actually matters.
Docker & CI/CD
Containerized environments and GitHub Actions pipelines.
Strong
Node.js
JavaScript services, APIs and realtime workflows.
Symfony
Enterprise apps & legacy-to-modern PHP 8.3 migrations.
PostgreSQL / pgvector
Relational data plus embeddings for search and RAG workloads.
RabbitMQ
Message queues and asynchronous job processing.
AWS
EC2, S3, RDS, Lambda, CloudWatch — production deploys that stay boring.
Vue.js
SPAs that pair cleanly with my APIs — TypeScript, Pinia, Vite.
React / Next.js
Component UIs and App Router frontends when the product needs them.
TypeScript
Typed frontends and Node services so contracts stay honest.
GCP
Cloud Run and Compute Engine alongside AWS when the workload lives there.
Portfolio
Selected projects & live work
Systems I've designed and built — filter by stack.
AI SupportMind
Autonomous customer support agent that resolves queries by calling backend tools in a ReAct loop. Built with Laravel 11, OpenAI function calling, MySQL, and Redis.
Laravel 11OpenAI APIMySQLRedisDocker
ReAct agent loopTool callingGuardrailsConversation audit trail
SaaS TenantShare
Production-ready multi-tenant SaaS architecture with per-tenant data isolation, RBAC, and subscription management. Built with Laravel 11 and Sanctum.
Laravel 11SanctumMySQLDocker
Per-tenant isolationRBACRole-enforced API accessZero cross-tenant leakage
AI KnowledgeDoc
Document-based Q&A system using retrieval-augmented generation. Upload PDFs/TXT/MD, chunk and embed with OpenAI, store in PostgreSQL pgvector, query with cited passages.
Node.jsTypeScriptPostgreSQLpgvectorOpenAI API
Semantic searchCited passages with similarity scoresDocument chunking pipeline
AI DeepSearch
AI research agent that plans, searches, fetches, extracts, and synthesizes information into cited reports using OpenAI function calling.
Node.jsTypeScriptOpenAI APIWeb Search
ReAct reasoning loopMulti-step researchCited findings with sources
Web Application PixelPro
Three production-style landing page demos (SaaS, E-commerce, Agency) built with pure HTML5, CSS3, and vanilla JavaScript. No frameworks, no build step.
HTML5CSS3JavaScriptBEMIntersection Observer
Responsive breakpointsAccessibility (ARIA, keyboard nav)localStorage cartScroll animations
Web Application Sales & Collection Management System (MSTORE)
Retail operations dashboard for daily sales, orders, payments, customers, products, and company settings. Dual-session (daily/evening) billing model.
LaravelVue.jsTypeScriptMySQL
11+ active modulesCSV/PDF exportDual-session billing
How I work
Discover → Design → Build → Harden
A short delivery loop. One screen, no theatre.
- 01
Discover
Clarify the problem, constraints, and what “done” looks like before writing code.
- 02
Design
Map APIs, data, and failure modes so the build has a contract you can test against.
- 03
Build
Ship in slices — working endpoints, tests, and something you can actually demo.
- 04
Harden
Auth, observability, deploys, and the production details that keep the system up.
Career
Work experience
Where I've worked and what I've delivered.
Senior Engineer, Web
June 2021 – PresentCodeclouds IT Solutions Pvt. Ltd. · Kolkata
- Owned full-stack delivery for SaaS, CRM and checkout products across eCommerce clients.
- Built scalable REST APIs for checkout, orders, CRM, inventory, and workflows (Laravel, Symfony, Node.js, MySQL)
- Integrated Sticky.io, Konnektive, and CheckoutChamp across Shopify, WordPress, and BigCommerce
- Deployed on AWS/GCP with Docker and CI/CD; migrated Symfony apps to PHP 8.3+ and mentored the team
Web Developer
January 2021 – September 2021S M Solutions
- Developed Laravel REST APIs and third-party integrations
- Enhanced frontend components and shipped incremental improvements
Web Developer
January 2020 – November 2020Sleek Infosolutions Pvt. Ltd.
- Built CodeIgniter apps and Laravel REST APIs for client projects
- Delivered features, bug fixes, and ongoing maintenance
Web Developer
January 2017 – April 2017Vrisini Infotech LLP
- Developed TYPO3 CMS applications and reusable frontend templates
Background
Education & certifications
The formal layer under the engineering.
B.Sc.
Dum Dum Motijheel Science College · 2012–2016
Computer Application Certifications
APTECH Konnagar · 2017–2020
Certifications
✓Smart Professional Java✓Smart Professional Python✓Python Pro Bootcamp✓Node.js, Express & MongoDB Bootcamp✓Ultimate AWS Certified Developer Associate 2026 · DVA-C02
Languages — English · Hindi · Bengali
What I Offer
Services & solutions
Everything you need to launch or grow online.
API Development
RESTful APIs designed for clarity, versioned safely, and documented for your team.
eCommerce Backends
Checkout, orders, subscriptions — Shopify, BigCommerce and WordPress ecosystems.
Payment Integrations
Sticky.io, Konnektive, CheckoutChamp — reliable, high-volume payment pipelines.
Database Optimization
Query tuning, indexing, caching with MySQL & Redis — measurable performance gains.
Cloud & DevOps
Deployments on AWS & GCP, Docker environments, CI/CD automation.
Legacy Modernization
Migrating aging PHP codebases to modern, maintainable PHP 8+ architecture.
Why Me
Why work with me
The habits behind dependable delivery.
Clean, Maintainable Code
SOLID principles, repository pattern and automated tests — systems your team can extend for years.
Performance Focused
Query optimization, indexing, Redis caching and queue workers — speed built into the architecture.
Production Ready
Docker, CI/CD and cloud deployments on AWS & GCP — releases that go out calmly, not heroically.
End-to-End Ownership
From API design to production support — one engineer accountable for the whole system.
Mentor Mindset
Code reviews, standards and mentoring — I raise the whole team's output, not just my own.
Clear Communication
Honest timelines, plain-language updates and documentation that actually gets read.
Get In Touch
Let's talk about your project
Pick whichever channel is easiest for you.