Rudraveer
Singh Sandhu
5+ years architecting and shipping scalable, high-performance mobile and web apps across Enterprise SaaS, LegalTech, AgriTech, E-commerce & EdTech — owning products end-to-end, from architecture through production deployment.
I build mobile products end-to-end — from architecture to the polish that makes them feel effortless.
I've shipped production apps across cross-platform development, IoT integrations and full-stack mobile solutions. I'm equally comfortable leading a small front-end team, talking directly with clients, and going deep to resolve critical production issues.
My next step is leadership — tech lead, senior Flutter developer, or engineering manager — pairing hands-on craft with mentoring, planning and product direction.
- ↳Cross-platform Flutter architecture
- ↳Clean state management
- ↳Backend with Firebase & Supabase at scale
- ↳IoT & hardware-connected apps
- ↳Leading teams & client delivery
A complete mobile toolkit.
Flutter & Mobile
11Architecture & State
8Backend & APIs
9Data & Storage
7Tooling & Process
7Specialized
8Where I've delivered.
Rhysley Pvt. Ltd.
- —Co-developed Helixta HRMS, an enterprise-grade human resource management system, for Android and iOS using Flutter — deployed in-house and marketed as a B2B SaaS solution.
- —Built geofencing and geo-tracking features enabling real-time, location-verified attendance tracking for distributed workforces.
- —Developed attendance management, payroll, and leave modules to automate core HR operations.
- —Implemented task management and expense tracking modules, extending the platform into a comprehensive workforce operations suite.
- —Integrated Firebase for real-time data sync, authentication, and backend services across mobile and web platforms.
- —Co-developed EazeeSign, a secure and hassle-free e-signature application, for Android and iOS using Flutter.
- —Built the core document signing module supporting secure, legally compliant electronic signatures.
- —Developed the document sharing module enabling seamless collaboration and distribution of signed documents.
- —Integrated Firebase backend for secure document storage, authentication, and real-time status updates.
India Legal Research Foundation (ILRF)
- —Built FracGC, a two-sided legal-services app connecting Indian founders and MSMEs with vetted legal advisors, using Flutter and Supabase.
- —Architected an automatic advisor-assignment engine (filter → rank → offer with accept/decline windows and admin fallback) on Supabase Edge Functions, pg_cron and pg_net.
- —Modeled the full matter lifecycle as a twelve-stage state machine driving role-based Customer, Advisor and Admin surfaces from a single Flutter codebase.
- —Secured client-confidential documents with row-level security, party-scoped storage, quarantine-until-scanned uploads, time-limited signed URLs and an immutable access log.
- —Integrated Razorpay with server-side HMAC signature verification for quote-based payments, alongside in-app chat and event-driven notifications.
- —Built the FracGC marketing and services website (fracgc.in) in Next.js, presenting the fixed-price legal offering and free Legal Health Check diagnostic tools.
- —Implemented the membership subscription and lead-capture flows that funnel founders and MSMEs into the platform.
- —Built the professional brand and portfolio site (pradeeprai.com) for Dr. Pradeep Rai, Senior Advocate at the Supreme Court of India, using Next.js and Supabase.
- —Delivered sections spanning professional overview, institutional engagement, a mentorship program, gallery and multi-office contact.
Seventh Horse Agri-Tech
- —Led development of a Flutter app serving 4 user types — Farmers, Machine Providers, FPOs and Traders.
- —Implemented B2B and B2C marketplace logic with multilingual support via GetX.
- —Integrated the full Firebase ecosystem: Auth, Firestore, Cloud Functions and real-time sync.
YodaCart Pvt. Ltd.
- —Resolved blocking production issues to reach a 100% deployment success rate.
- —Fixed PayU payment integration, improving processing reliability to 98%.
- —Modernized legacy BLoC code — +50% maintainability and +25% user retention.
Legum Technica Pvt. Ltd.
- —Built an MCQ-based competitive-exam prep app with an analytics dashboard.
- —Integrated AI/RAG-powered question generation trained on books and past papers.
- —Reached a 4.6★ rating, 50K+ downloads and 85% user retention.
Products I've shipped.
Helixta HR
HR Tech↗HR management platform handling payroll, attendance and employee management in one place.
EazeeSign
SaaS↗Secure cloud-based digital signature platform to upload, send and sign documents online — fully paperless, no printing or scanning.
FracGC
LegalTech Marketplace↗A two-sided LegalTech platform that streamlines legal consultations, advisor matching, secure document sharing, payments, and case lifecycle management for businesses and legal professionals.
FracGC website
LegalTech Website↗Next.js-powered LegalTech website offering fixed-price legal services and free diagnostic tools, with integrated membership subscriptions and lead-capture funnels for founders and MSMEs.
Matic: FaHM
AgriTech↗A four-sided agricultural marketplace connecting farmers, machine providers, FPOs and traders in one multilingual app.
MeinHaus
Real Estate↗Property and service-aggregator apps for European & Canadian startups, localized across three languages.
Yeii: Party planning
Social↗Property and service-aggregator apps for European & Canadian startups, localized across three languages.
Drona : Smart Exam preparation
EdTech↗Competitive-exam prep with AI-generated questions, progress analytics and 50K+ downloads at 4.6★.
Tinnitus Care
HealthTech · IoT↗Companion app for a medical IoT device — remote configuration over BLE & WiFi for doctors and patients.
YodaCart
E-commerce↗Rescued a stalled launch — modernized BLoC and stabilized PayU payments to 98% reliability.