Hi, I'm

Rahul Grover

Full-Stack Developer · Applied AI · Systems That Scale

I turn messy business workflows into clean, reliable systems — and apply practical AI (LLMs, agents, realtime multimodal) to real product problems. 1+ year shipping revenue-critical features at scale across Node.js, Python, and Go.

Backend SystemsLLMs & AI AgentsRealtime MultimodalReact NativeAPI Integration

1+ Year as SDE

Shipping revenue-critical features at scale @ magicpin

MVP Award

magicpin, Nov 2025 — for the Auto-Renewal System

Top 50 of 4,000+

Selected for Cars24's Token'26 AI Hackathon

~₹1.5L/mo Saved

CRM query optimization cutting CPU from 70–80% to <30%

What I Do

Specialized in backend systems, applied AI, and mobile development. Here's how I can help bring your ideas to life.

Backend & API Development

Building robust server-side applications and RESTful APIs that power modern applications.

  • RESTful API design & implementation
  • Node.js, Go, PHP, Java backends
  • Database design & optimization
  • Third-party API integrations
  • Performance tuning & caching

AI & LLM Integration

Bringing practical AI into real products — agents, tool-calling, and realtime multimodal experiences.

  • LLM-powered features & agents
  • Agentic tool-calling & MCP tool registries
  • Realtime multimodal (voice/vision) pipelines
  • LLM evaluation & scoring workflows
  • Anti-fraud & evidence-gating checks

React Native Development

Creating polished, performant cross-platform mobile applications for iOS and Android.

  • Cross-platform mobile apps
  • Native module integration
  • State management (Redux, Context)
  • Push notifications & deep linking
  • App Store & Play Store deployment

Automation & Data Debugging

Automating repetitive tasks and debugging complex data issues in MySQL databases.

  • SQL query optimization
  • Data integrity debugging
  • Automated data pipelines
  • Cron jobs & scheduled tasks
  • Log analysis & monitoring

Featured Projects

A selection of projects showcasing my experience with full-stack development, backend systems, and applied AI.

AI Car Inspection Copilot

A realtime, multimodal AI inspection copilot built end-to-end for Cars24's Token'26 AI Hackathon — FastAPI backend with WebSocket streaming and agentic tool-calling.

PythonFastAPIOpenAI RealtimeWebSockets+2

Vera AI Challenge — LLM Evaluation System

NDA / Private

An LLM-powered evaluation system with automated judge bots and scoring workflows, supporting a hiring funnel of 27,780 visits and 1,194 submissions at magicpin.

LLMPythonNode.jsAI Agents+1

Auto-Renewal System

NDA / Private

Revenue-critical auto-renewal system overhaul that drove a 70–80% increase in successful renewals — earned the company MVP award (Nov 2025).

Node.jsGoPHPMySQL+1

Maker-Checker Approval Dashboard

NDA / Private

A mobile-first maker-checker approval dashboard for MFP, Save, Loan, and Refunds — processed 40,000+ MIDs in MFP mode with full traceability.

React NativeNode.jsMySQLREST APIs

BD Field-Ops & Incentive Systems

NDA / Private

Mobile-first field-operations systems — 24x7 real-time BD location tracking, notifications, and incentive dashboards — reducing field-claim fraud risk.

React NativeNode.jsGoRealtime+1

Discord Clone

A full-stack real-time chat application with servers, channels, voice calls, and direct messaging. Built with modern web technologies.

Next.jsSocket.ioPrismaPostgreSQL+1

Todoist Clone

A productivity-focused task management app with projects, labels, filters, and intuitive task organization.

ReactJavaScriptAxiosCSS+1

Task Manager API

A RESTful backend API for task management with Node.js, Express, and MySQL. Features CRUD operations, authentication, and data validation.

Node.jsExpressMySQLREST API+1

Backend Automation & API Integrations

NDA / Private

Enterprise-level backend automation systems and third-party API integrations for data synchronization and workflow automation.

Node.jsGoPHPREST APIs+2

My Journey

A timeline of my professional experience and education in software development.

Software Development Engineer

Current

magicpin (Samast Technologies Pvt. Ltd.)

Gurugram, IndiaApr 2025 - Present
  • Built an LLM-powered evaluation system for the Vera AI Challenge with automated judge bots and scoring workflows — supporting a hiring funnel of 27,780 visits and 1,194 submissions
  • Owned monetization, payment, and CRM lifecycle systems, eliminating inconsistent state transitions and reducing revenue leakage across transaction pipelines
  • Fixed the auto-renewal system, driving a 70–80% increase in successful renewals (earned the company MVP award, Nov 2025)
  • Built a maker-checker approval dashboard for MFP, Save, Loan, and Refunds — processing 40,000+ MIDs in MFP mode
  • Optimized CRM database queries, cutting CPU usage from 70–80% to <30% and infra cost by ~₹1.5 lakh/month
  • Engineered mobile-first field-ops systems — 24x7 real-time BD location tracking, notifications, and incentive dashboards across PHP, Node.js, and Go services with Redis, Elasticsearch, and Grafana

Software Developer Trainee

MountBlue Technologies

Bangalore, IndiaNov 2024 - Apr 2025
  • Developed full-stack applications — backend systems, REST APIs, and scalable architecture with responsive UIs
  • Implemented authentication flows, database design, CRUD operations, and third-party API integrations
  • Worked in agile teams with code reviews and clean coding practices

B.E. in Computer Science & Engineering

Chitkara Institute of Engineering and Technology

Rajpura, India2020 - 2024
  • Graduated with a CGPA of 9.85
  • Focused on software development, algorithms, and data structures
  • Completed projects in web development, databases, and system design
  • Active participation in coding competitions and hackathons

Technical Skills

Technologies and tools I use to bring ideas to life, from frontend interfaces to robust backend systems.

Languages

JavaScriptTypeScriptPythonGoJavaSQL

Frontend & Mobile

ReactNext.jsReact NativeReduxTailwind CSS

Backend

Node.jsExpressGoPHPREST APIsWebSockets

AI & LLM

LLMsAI AgentsAgentic Tool-CallingMCPRealtime MultimodalOpenAI Realtime

Databases

MySQLRedisElasticsearch

Tools & Infra

GitDockerAWSLinuxGrafanaSwaggerPostman

What I'm Best At

  • Applying practical AI — LLMs, agents, and realtime multimodal — to real product problems
  • Owning revenue-critical backend systems: monetization, payments, and renewals
  • Optimizing performance and SQL queries to cut cost and CPU at scale

Let's Build Together

Open to freelance projects, full-time opportunities, and interesting collaborations.

Freelance Projects

Need a backend system, API integration, or mobile app? I'm available for project-based work.

Full-Time Roles

Looking for SDE roles focused on backend, React Native, or full-stack development.

Open Source

Interested in contributing to meaningful open-source projects. Let's connect.

Let's Connect

Have a project in mind or want to discuss opportunities? I'd love to hear from you.

Send a Message

Get in Touch

Feel free to reach out through any of these channels. I typically respond within 24-48 hours.

Location

Gurugram, India

Looking for a reliable developer for your next project? I'm currently open to freelance work and full-time opportunities.