Available for new projects
Welcome to my portfolio
Hi, I am Subir Das
A Passionate
I break down complex user experience problems to create integrity-focused solutions that connect billions of people.
A transparent, structured process that keeps you informed and in control at every step.
We start with a detailed conversation about your goals, requirements, timeline, and budget. I ask the right questions to fully understand your vision.
I create a technical plan, architecture overview, and UI wireframes. You get a clear roadmap before a single line of code is written.
I build your product in focused sprints, sharing regular progress updates. You can review and give feedback at every stage.
After thorough testing, I deploy the project and hand over all source code. Post-delivery support is included to ensure everything runs smoothly.
Codealign
Worked on end-to-end full-stack web application development, focusing on RESTful API development, backend logic, database management, and frontend integration. Built responsive and user-friendly interfaces, ensured smooth data flow between frontend and backend, optimized performance, and collaborated remotely with cross-functional teams to deliver scalable and efficient solutions.
Codealign
As a Full Stack Developer Intern at CodeAlign, I develop responsive and scalable web applications using Next.js, React, Redux, and Node.js. I work closely with UI/UX designers to improve user experience, build backend APIs with MongoDB, PostgreSQL, Prisma, and Mongoose, follow clean code practices, and deliver features through agile, sprint-based workflows.
My most starred public repositories on GitHub.
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Specialist
AI Agent
Full Stack Developer
Full-Stack Developer & AI Agent Architect
I am Subir Das, a passionate Full-Stack Developer with extensive experience in building robust and scalable web applications. Beyond core development, I also specialize in AI Agent Engineering and n8n Workflow Automation, designing intelligent agents and automation pipelines to optimize complex business processes.
By combining deep expertise in Full-Stack Development with advanced AI and automation skills, I create solutions that are both powerful and intelligent, delivering seamless user experiences and operational efficiency.
Specialized in Next.js, MERN stack, and high-performance system architecture.
Developing self-thinking agents using LLMs to handle complex business logic.
Building advanced automation pipelines to sync 400+ apps using n8n.
Ensuring applications remain fast, secure, and reliable under heavy traffic.
From idea to deployment — I build complete digital solutions tailored to your business needs.
End-to-end web applications using Next.js, React, Node.js, and MongoDB. Scalable, fast, and production-ready.
Building autonomous AI agents using LLMs that handle complex business logic, data processing, and decision-making.
Automating repetitive business processes by connecting 400+ apps using n8n, saving time and reducing errors.
Designing and building secure, well-documented REST APIs with authentication, rate limiting, and caching.
MongoDB schema design, indexing strategies, query optimization, and data modeling for high-performance apps.
Pixel-perfect, mobile-first interfaces with smooth animations using Tailwind CSS and Framer Motion.
Email Me
subirdas1045@gmail.com
Address
Akbarshah, Pahartali, Chattogram
Call Me
+8801689586905
