Full-stack product development
Java and Spring Boot services, React interfaces, cloud workflows, data models, incident ownership, and the operational detail that keeps products useful.
Go deeper ↗Full-stack AI engineer · Hyderabad
I build systems that turn complexity into momentum.
I’m Devi Prasad Choudhary Ratnala—better known online as rdprassy. I build full-stack products with Java, Spring Boot, React, cloud platforms, and an expanding AI engineering toolkit.
Building at PepsiCo
Engineer. Competitor. Writer.
Ten years of learning by shipping.
10+ yearsbuilding software products
26 reposacross Java, C++, TypeScript & more
9 buildsenterprise case studies + live products
4 languagesEnglish, Hindi, Telugu & Oriya
New · RD Arcade
Play is part of the portfolio now.
Eleven playable experiences now cover maze chase, board strategy, typing, algorithms, memory, cloud puzzles, game physics, systems defense, and a five-chapter career quest.
New · Decision tool
Q1Do firstUrgent + important
Q2ScheduleImportant
Q3DelegateUrgent
Q4EliminateLimit noise
Turn a task list into a decision system.
Create tasks, classify urgency and importance, move work across an Eisenhower Matrix, and check off progress. Data stays privately on your device.
A portfolio with range
One engineer, several ways of thinking.
The work is technical. The perspective comes from competition, storytelling, sport, community, and a habit of learning across boundaries.
AI engineering
RAG, agents, MCP, QLoRA, AI-assisted application building, and Azure AI foundations.
Open the AI case study ↗Competitive programming
Fast reduction, proof, implementation, and edge-case thinking in C++.
See the mindset ↗Writing & lyrics
A 92-page novel, technical notes, essays, rap, and ideas that need a different medium.
Explore the novel ↗Sport & teamwork
University Kho-Kho, South Zone Handball, and lessons that still shape how I work.
Enter the field ↗
Live on Vercel
Explore all live products
Products you can open, not just read about.
Five public products span inspectable RAG, AI-assisted delivery intelligence, creator infrastructure, Web3 utilities, and local-first productivity.
Live · Open source
RAG Studio
Hybrid retrieval, reranking, grounded citations, abstention, traces, and executable evaluation.
Inspect the AI system ↗
Live
AlignIQ
Requirements alignment, evidence-backed gaps, and delivery traceability in one workspace.
View product story ↗
Live
NFT Terminal
A no-code ERC-721 launchpad with allowlists, analytics, and token gating.
View product story ↗
Live
Monad Wallet Checker
MetaMask connection, direct address lookup, and resilient RPC configuration.
View product story ↗
Selected product work
All case studies
Systems built for real decisions.
Work spanning enterprise analytics, cloud maintenance, operational reviews, insurance calculations, platform microservices, and biometric research.
01Amazon Impact
Leadership insights from weekly operations data using AWS Lambda, DynamoDB, and React.
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02Oracle Cloud PCN
Maintenance scheduling and auditable product-change history with Spring Boot and React.
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03Teradata Vantage
Analytical-function development and cloud installation tooling across Eclipse RCP and Django.
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04AXA Insurance
A Spring Boot premium calculation engine and automated build workflow.
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Applied AI work
Explore the AI case study
AI in production, not just in a notebook.
Recent work connects models to business decisions, private knowledge, and operational reliability—with measurable usage and clear system boundaries.
Retail360 analytics
An AI-powered analytics platform supporting approximately 50 sales and operations stakeholders across 5+ retail accounts, with an estimated 25% improvement in analytics turnaround.
Document intelligence
A context-grounded Q&A workflow indexing approximately 1,500 uploaded documents and serving 300+ monthly questions through retrieval and semantic search.
Multi-agent reliability
An agentic system monitoring 20+ data pipelines and triaging approximately 50 failures per month, with automated alerts and a reported 10% reduction in incident response time.
Professional proof
View résumé
Evidence over empty testimonials.
The public record shows product ownership, long-term learning, incident responsibility, and code that can be inspected. Named recommendations belong here only when they can be attributed accurately.
Products with operational stakes
Documented work spans leadership reporting, cloud maintenance, enterprise analytics, insurance calculations, platform services, and biometric research.
Read case studies ↗Ownership under pressure
High-severity application incidents were carried beyond recovery through root-cause resolution and durable fixes.
See experience ↗Public learning trail
GitHub repositories, technical writing, cloud credentials, and AI engineering tracks make continued growth visible.
Browse credentials ↗
Current toolkit
Full skill map
Enterprise foundations. Modern edges.
I’m strongest where product thinking, backend depth, frontend delivery, cloud operations, and clear communication overlap.
The through-line
“A career is a growing capacity to solve useful problems—and to explain the solution clearly.”
Have a hard problem and a team that cares about the details?
Let’s talk about product engineering, full-stack systems, AI-enabled workflows, or the next ambitious thing worth building.