Arun Kiran PatroPrincipal Engineer • UI Architect
Execution Proof

Live Systems & Deployed Platforms

These are not toy prototypes or Figma mockups. They are production-grade applications I've designed, architected, and shipped across business operations, finance, collaboration, distributed storage, and security.

CRM & Sales Operations

Self-Hosted CRM for Small Teams

A lightweight, open-architecture CRM workspace for tracking sales opportunities, deal stages, client interaction history, and follow-ups without recurring SaaS seat licenses.

  • Unified contact profile, notes, and activity timeline
  • Kanban-style drag-and-drop opportunity pipeline
  • Follow-up scheduling with active dashboard reminders
  • CSV bulk data import/export & direct WhatsApp outreach
Production DeployedLaunch System ↗
People Operations & Compliance

Human Resource Management System (HRMS)

An end-to-end HR operations platform managing employee records, structured recruitment pipelines, onboarding workflows, leave tracking, and payroll processing.

  • Candidate pipeline with resume tracking and interviews
  • Complete employee lifecycle from onboarding to exit
  • Granular role-based access control (RBAC)
  • Automated leave approvals and payroll summaries
Production DeployedLaunch System ↗
Commerce & Inventory

Retail Management & POS Platform

A fast retail operations engine designed for store checkout, real-time inventory management, product catalogs, and transaction receipts.

  • Sub-second barcode search & POS checkout workflow
  • Multi-category product catalog with SKU & stock alerts
  • Customer invoicing and receipt generation
  • Daily sales telemetry and cash drawer tracking
Production DeployedLaunch System ↗
Collaboration & Delivery

Project Management Workspace (PMS)

A focused project delivery workspace built to eliminate bloated project management workflows, giving cross-functional teams context-rich task collaboration.

  • Nested task hierarchies with milestone scheduling
  • Assignee tracking, status filters, and priority lanes
  • Contextual inline comments inside work items
  • Real-time delivery progress metrics
Production DeployedLaunch System ↗
Productivity & Documentation

Notes & Knowledge Platform

A Notion-style modular workspace for structured engineering documentation, interactive rich-text blocks, and fast knowledge search.

  • Block-based rich text editor with markdown keyboard shortcuts
  • Structured hierarchical page nesting
  • Instant client-side state caching & responsive interactions
  • Clean architecture with zero unnecessary library bloat
Production DeployedLaunch System ↗
Infrastructure & File Systems

Distributed Cloud Storage Platform

A Dropbox-style distributed file storage platform architected for high-throughput uploads, chunked multi-part streaming, and access control.

  • Chunked resumable file upload architecture
  • Tiered quota management and secure file sharing links
  • PostgreSQL metadata catalog with object storage integration
  • Responsive file explorer with preview capabilities
Production DeployedLaunch System ↗
Finance & Analytics

Personal Finance Manager (FinManage)

A clean personal finance tracking system for income, expenses, category budgets, and net-worth analytics with clear visual telemetry.

  • Double-entry transaction modeling and category tags
  • Interactive cash-flow graphs and monthly expenditure trends
  • Mobile-first responsive design for rapid transaction entry
  • Zero third-party financial data sharing
Production DeployedLaunch System ↗
Cryptography & Security

Security & Password Vault

A secure credential manager built with zero-knowledge encryption principles, client-side cryptographic hashing, and safe secret sharing.

  • Client-side encryption before payload transmission
  • Strict data isolation and master key hashing
  • Clean, friction-free UX for sensitive credential storage
  • Cross-platform responsive design
Production DeployedLaunch System ↗