<hello world /> I'm
Rijo Reji
Software Engineer, AI Agent Builder, Full-Stack .NET Developer, Cloud & Data Engineer
I craft scalable full-stack applications with ASP.NET Core & React, and build multi-agent AI systems that turn complex workflows into effortless experiences.
Engineer by craft, builder by heart.
I'm a Software Engineer at UST in Trivandrum, Kerala, where I design and build robust web applications with ASP.NET Core, C# and SQL Server, and increasingly, AI-powered solutions that automate real-world workflows.
My sweet spot is where solid backend engineering meets agentic AI: orchestrating multi-agent pipelines with LangGraph, integrating LLMs into products, and moving data reliably across Microsoft Azure with Azure Data Factory.
I hold a B.Tech in Computer Science & Engineering and four Anthropic Claude certifications, including Claude Certified Architect – Professional, and I was honoured with UST's 2026 D3 Award. I keep my problem-solving sharp on LeetCode, and I love learning fast, writing clean code, and shipping things people genuinely enjoy using.
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Years building software
Projects delivered
Certifications
B.Tech CGPA
What I do
Full-Stack Engineering
Scalable, maintainable web apps with ASP.NET Core, C#, React and Django, backed by well-designed SQL databases and clean REST APIs.
Agentic AI Systems
Multi-agent pipelines with LangGraph and LLM integrations that automate workflows, from OCR extraction to automated code and PR review.
Cloud & Data Engineering
Data migration and pipelines on Microsoft Azure with Azure Data Factory and Storage Explorer, moving data reliably between systems.
My tech arsenal.
A toolkit spanning enterprise .NET engineering, modern front ends, cloud data pipelines and agentic AI, chosen to ship reliable products end to end.
AI / ML & Agentic AI
Designing autonomous, multi-agent systems and weaving LLMs into real products.
- LangGraph
- AI Agents
- Multi-Agent Systems
- LLM Integration
- Machine Learning
- Deep Learning
Languages
The languages I think and build in every day.
- C#
- Python
- Java
Frameworks & DevOps
Shipping robust apps from API to UI to container.
- ASP.NET Core
- React.js
- Django
- Docker
- Git / GitHub
- REST APIs
Cloud & Data Engineering
Moving and shaping data across the Azure cloud.
- Microsoft Azure
- Azure Data Factory
- Azure Storage Explorer
- Data Migration
Databases
Modelling and querying data that applications can trust.
- SQL Server
- PostgreSQL
- MySQL
Where I've made an impact.
Building production software across enterprise .NET platforms, Python services and AI-driven automation.
Software Engineer I
CurrentUS Technologies (UST)
Dec 2025 – PresentTrivandrum, Kerala- Designed and developed robust, scalable web applications using ASP.NET Core, C#, and SQL Server, focusing on performance, maintainability, and reliability.
- Developed AI-powered solutions, working with Python, machine learning models, and AI integration to automate workflows and improve application capabilities.
- Contributed to backend development, API integration, database management, and building efficient application architectures.
ASP.NET CoreC#SQL ServerPythonMachine LearningAI IntegrationREST APIsSoftware Engineer
Xinfoz Technologies Pvt. Ltd.
May 2025 – Nov 2025Kollam, Kerala- Developed and maintained web applications using ASP.NET MVC, Python Django, and React, improving application responsiveness and user experience.
ASP.NET MVCPythonDjangoReact
Selected work.
From multi-agent AI systems to enterprise finance platforms and e-commerce, here are a few things I've designed, built and shipped.
Multi-agent AI that audits expenses end to end
AI Expense Audit Assistant
An AI-powered expense auditing system where specialised agents collaborate: one extracts data from receipts with OCR, another validates it, and a third performs the audit.
- Dedicated agents for OCR extraction, validation and auditing
- Stateful agent orchestration built with LangGraph
- Gemini Flash LLM, Python backend and a Next.js interface
Modernising a financial platform
Financial Modernization & Data Migration
Contributed to the development of a modernised financial application and its data migration, building backend features in ASP.NET Core and pipelines in Azure Data Factory.
AI tooling for the whole dev lifecycle
AI-Powered Development Platform
An AI platform bundling multiple developer tools for requirements analysis, automated code review and pull request review, helping teams ship faster with fewer defects.
Inventory, reporting & data at the core
Warehouse Management Software
Contributed to a warehouse management system focused on accurate inventory tracking, insightful reporting and robust database integration.
An end-to-end gifting storefront
Gifts E-Commerce Application
An end-to-end e-commerce gifting platform, from product catalogue to checkout, built with Python Django and a MySQL database.
Buddy
Labrador
Everything a pet needs, in one place
Pet Care Platform
A pet care platform that helps owners look after their companions: create pet profiles, discover care services and book appointments, all through a warm, responsive interface.
Fresh produce, a click away
Fruit Store
An online fruit store where customers browse fresh produce by category, fill their cart and place orders, with stock management keeping the catalogue in sync with what's on the shelves.
DSA & LeetCode.
Pulled straight from my LeetCode profile: 304 problems solved, beating ~90% of users at every difficulty. Data structures and algorithms are where I train how I think.
Problems solved
7.4% of LeetCode's 4,087 problems
- Easy104 / 972
Beats 90.4% of users
- Medium157 / 2,131
Beats 91.2% of users
- Hard43 / 984
Beats 89.7% of users
- 27 more in progress
Badges
2 earned
Most recent: 100 Days Badge 2026
0
Submissions in the past year
0
Active days
0 days
Max streak
0.0
Avg. submissions per active day
2,281 submissions in the past year
170 active days · best streak 27 days
Strongest topics
Problems solved per topic
- Array174
- String84
- Math69
- Hash Table64
- Dynamic Programming50
- Sorting46
- Greedy40
- Matrix34
- Simulation26
- Bit Manipulation26
Also tackled (advanced)
Languages
Problems solved per language
- C#205
- Java99
- C++2
What the numbers say
Computed from the stats above
- 66% of solved problems are Medium or Hard.
- Beats 89.7–91.2% of users at every difficulty.
- Active on 170 of the last 365 days, with a 27-day best streak.
- Most practised: Array (174), String (84) and Math (69), plus 50 dynamic programming problems.
- C# is my go-to, used for 67% of solutions.
Foundations that shaped me.
A consistent record of academic excellence, from a 98% in secondary school to a B.Tech in Computer Science & Engineering.
B.Tech in Computer Science & Engineering
APJ Abdul Kalam Technological University
Computer Science
Higher Secondary Education
Science
Secondary Education (10th)
Certifications & awards.
Four Anthropic Claude certifications, an award from UST, and the credentials that back the craft. Open any certificate to view and verify it.
psst… click the trophy
Dream Develop Disrupt (D3) Award
Awarded by UST
Recognised for dedication, continuous learning, hard work, and contributions to organisational success.
Claude Certified by Anthropic
4 credentials · tap one to open it
AI Certified Engineer
UST
Programming in Java
NPTEL Coursework
Let's build something remarkable.
Have a role in mind, a project idea, or just want to talk tech and AI? My inbox is always open.
Based in
Trivandrum, Kerala, India