Typescript
,Next.js
,Node.js
,Spring Boot
andPostgreSQL
.Focused on Backend and passionate about open source.Featured
—Developed IAM module with secure RBAC, multi-role permissions, and workflow-linked access controls.
—Built complete Invoice Payment lifecycle (Create → Validate → Approve → Pay) with budget checks, duplicate detection, and audit trails.
—Integrated microservices using Feign Client and Eureka, implemented idempotent payment APIs, and improved inter-service reliability.
—Reduced initial bundle size by 42% through code splitting and lazy loading, improving Lighthouse score from 75 → 92.
—Integrated Google Search Console API for real-time SEO metrics (clicks, impressions), improving reporting accuracy across 500+ tracked pages.
—Built AI-powered content generation using GPT models and shipped production-ready SEO analytics features using FastAPI and React.js.
Featured
Modern LaTeX resume builder featuring visual editing, live LaTeX synchronization, professional templates, and one-click PDF generation
AI-powered music generation platform that creates original music from text prompts with customizable genres, moods, and instruments
Unified payment gateway SDK that lets developers integrate multiple payment providers using a single, consistent API
Visual AI automation platform for building multi-agent workflows with drag-and-drop nodes, RAG, tool calling, and real-time execution
About
I'm a Full Stack developer who loves building products that solve real-world problems.
Skills
swarnendu19's coding journey over the past year
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Writing
Seven practical AI agent patterns for software engineers, told through real product scenarios: support, code review, research, documentation, incidents, operations, and multi-agent work.
A practical guide to API content negotiation for AI agents: serve HTML to browsers and clean Markdown to model clients with the Accept header.
Learn how to use the HTTP Accept header to make AI-agent APIs predictable, concise, and compatible with normal browser experiences.
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