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Nagarajan V

Full Stack Engineer | Java | Spring Boot | Python | FastAPI | React.js | Distributed Systems | REST APIs | AWS | LangChain | LLMs | RAG | Generative AI

Bengaluru

1+ year of work experience

Turbostart
Jun 20251 yr 1 moJun 2026

India

• Led end-to-end engineering delivery for PiChain 2.0, TheBAM 2.0, and CloudVerse.AI (Singapore-based FinOps platform), leveraging the AI-Driven Development Lifecycle (AIDLC) to design, develop, test, and deploy scalable enterprise SaaS applications. • Designed and developed scalable backend services, distributed REST APIs, and microservices using Java, Spring Boot, Spring Data JPA, Python, FastAPI, PostgreSQL, Redis, and React.js, improving production API latency by 30% through caching and performance optimization. • Built cloud-native applications on AWS, implementing secure API integrations, asynchronous workflows, and high-volume transaction processing using object-oriented design principles. • Developed AI-powered application features using OpenAI GPT, Claude, LangChain, Prompt Engineering, Retrieval-Augmented Generation (RAG), embeddings, and ChromaDB to enable intelligent document retrieval and enterprise automation. • Optimized PostgreSQL performance through indexing, query tuning, and execution plan analysis, reducing average query execution time by 40% while improving production scalability and reliability. • Collaborated with product managers, designers, QA engineers, and DevOps teams in Agile/Scrum environments, participating in code reviews, CI/CD, production monitoring, debugging, and root cause analysis to deliver reliable customer-facing software.
Codingmart Technologies
Sep 20248 mosApr 2025

Coimbatore, Tamil Nadu, India

• Built and optimized candidate and admin dashboards using React.js, improving usability and development efficiency • Developed test scheduling and analytics features for recruitment workflows • Achieved a 92% Lighthouse SEO score through frontend optimization • Reduced application load time by 30%, improving performance and user experience
Easy Design Systems
Dec 20212 mosJan 2022

On-site

Built dynamic UI components for account management and inventory systems, improving usability and consistency • Collaborated with cross-functional teams to align frontend features with real-world ERP workflows

Nagarajan’s AI Stack

anthropic apis
anthropic apis
antigravity
antigravity
claude code
claude code
langchain
langchain
langgraph
langgraph
ollama
ollama

Education

karpagam college of engineering

Bachelor's Degree, Information Technology

karpagam college of engineering

20214 yrs2025

XII

ALG Matriculation Higher secondary school

20201 yr2021

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Headline

Full Stack Engineer | Java | Spring Boot | Python | FastAPI | React.js | Distributed Systems | REST APIs | AWS | LangChain | LLMs | RAG | Generative AI

About

Full Stack Engineer with 1+ year of experience building scalable backend systems and AI-powered applications using Java, Spring Boot, Python, FastAPI, React.js, PostgreSQL, Redis, and AWS. Passionate about designing distributed systems, cloud-native applications, and high-performance REST APIs with a strong focus on scalability, reliability, and clean software architecture. At Turbostart, I contributed to enterprise products including PiChain 2.0, TheBAM 2.0, and CloudVerse.AI (Singapore-based FinOps platform), leveraging the AI-Driven Development Lifecycle (AIDLC) to deliver production-ready software within aggressive timelines. My work includes developing backend services and microservices, designing REST APIs, optimizing PostgreSQL performance, implementing Redis caching, integrating frontend applications, and building cloud-native solutions on AWS. I also build AI-powered applications using OpenAI GPT, Claude, LangChain, Prompt Engineering, Retrieval-Augmented Generation (RAG), embeddings, ChromaDB, and Model Context Protocol (MCP), with a growing focus on intelligent enterprise automation and conversational AI. Core Technologies: Java, Spring Boot, Spring Data JPA, Python, FastAPI, React.js, PostgreSQL, Redis, REST APIs, Microservices, AWS, GCP, Docker, LangChain, OpenAI GPT, Claude, Ollama (Mistral), RAG, ChromaDB, Prompt Engineering, Distributed Systems, System Design.

Location

Bengaluru

AI stack

anthropic apis

antigravity

claude code

langchain

langgraph

ollama

Work experience

Full Stack Engineer at Turbostart, Jun 2025 - Jun 2026 · 1 yr 1 mo, India, • Led end-to-end engineering delivery for PiChain 2.0, TheBAM 2.0, and CloudVerse.AI (Singapore-based FinOps platform), leveraging the AI-Driven Development Lifecycle (AIDLC) to design, develop, test, and deploy scalable enterprise SaaS applications. • Designed and developed scalable backend services, distributed REST APIs, and microservices using Java, Spring Boot, Spring Data JPA, Python, FastAPI, PostgreSQL, Redis, and React.js, improving production API latency by 30% through caching and performance optimization. • Built cloud-native applications on AWS, implementing secure API integrations, asynchronous workflows, and high-volume transaction processing using object-oriented design principles. • Developed AI-powered application features using OpenAI GPT, Claude, LangChain, Prompt Engineering, Retrieval-Augmented Generation (RAG), embeddings, and ChromaDB to enable intelligent document retrieval and enterprise automation. • Optimized PostgreSQL performance through indexing, query tuning, and execution plan analysis, reducing average query execution time by 40% while improving production scalability and reliability. • Collaborated with product managers, designers, QA engineers, and DevOps teams in Agile/Scrum environments, participating in code reviews, CI/CD, production monitoring, debugging, and root cause analysis to deliver reliable customer-facing software.

Fullstack Developer at Codingmart Technologies, Sep 2024 - Apr 2025 · 8 mos, Coimbatore, Tamil Nadu, India, • Built and optimized candidate and admin dashboards using React.js, improving usability and development efficiency • Developed test scheduling and analytics features for recruitment workflows • Achieved a 92% Lighthouse SEO score through frontend optimization • Reduced application load time by 30%, improving performance and user experience

Software Engineer at Easy Design Systems, Dec 2021 - Jan 2022 · 2 mos, On-site, Built dynamic UI components for account management and inventory systems, improving usability and consistency • Collaborated with cross-functional teams to align frontend features with real-world ERP workflows

Education

Bachelor's Degree, Information Technology, karpagam college of engineering

XII, ALG Matriculation Higher secondary school

Nagarajan V - Full Stack Engineer in Bengaluru | Tal