Deep S.
Full-Stack AI Product Engineer | Flutter, SaaS & Marketplaces
I help founders and businesses build, launch, and scale Flutter applications, SaaS platforms, and B2B marketplaces with full-stack engineering that connects the mobile experience, backend, APIs, and databases. If you're building an MVP, launching a new product, or improving an existing application, I can help you turn your requirements into reliable, production-ready software. With 8+ years of software development experience, I specialize in Flutter-first product development, backed by hands-on experience with Go, Node.js, databases, real-time systems, payment integrations, and cloud deployment. WHAT I CAN HELP YOU BUILD 1. Flutter Apps & MVP Developmen - Cross-platform Android and iOS applications - Flutter Web and Desktop products - Figma-to-functional-application development - App architecture, performance optimization, and debugging - Authentication, notifications, real-time features, and payments - App Store and Google Play releases 2. SaaS & B2B Marketplace Developmen - Buyer, seller, supplier, and administrator workflows - Inventory management and synchronization - Marketplace search, product discovery, and order workflows - Subscription systems, payment integrations, and dashboards - Multi-role applications and secure access control - Web, mobile, and desktop product experiences 3. Full-Stack Development - Backend development with Go and Node.js - REST APIs, gRPC, Protobuf, and WebSockets - PostgreSQL, MySQL, MongoDB, Firebase, and Supabase - Third-party API integrations - AWS and VPS deployment, CI/CD, and production troubleshooting 4. AI-Enabled Product Development - Integration of AI services and external APIs - Connecting product interfaces with backend services - Building application workflows around required AI capabilities AI implementation is scoped according to your product requirements and the integrations needed. 5. App & Platform Migration I help businesses migrate, rebuild, and modernize existing applications with minimal disruption. - Native iOS / Android → Flutter - Legacy Apps → Modern Applications - Flutter & Android SDK Upgrades - Backend, API & Database Migration - Web Apps → Mobile Apps - WordPress / WooCommerce → Shopify My focus is on preserving essential functionality, reusing existing systems where possible, and delivering a stable, maintainable solution. RELEVANT PRODUCT EXPERIENCE DRC Suppliers — B2B Marketplace & Inventory SaaS A multi-platform diamond inventory product across web, mobile, and desktop, supporting supplier inventory management, inventory sharing, and synchronization workflows. YP Club — Membership & Community Platform A founder membership product involving member profiles, networking, events, and community experiences across web and mobile. InvestMates — FinTech Application A currency exchange product involving mobile development, backend integration, and real-time functionality. StockSquad — Finance Application A finance-focused product involving real-time updates, leaderboards, payment integration, and KYC-related workflows. These projects reflect experience building real product workflows rather than focusing only on UI implementation. HOW I APPROACH YOUR PROJECT -Understand: Clarify your product goals, requirements, and existing setup. - Plan: Identify dependencies, technical risks, scope, and delivery milestones. - Build: Develop maintainable features and integrate the required services. - Validate: Test critical workflows and resolve issues before release. - Deliver: Support deployment, stabilization, and ongoing improvements. I prioritize clear communication, practical technical decisions, and realistic milestones. If a requirement affects the scope or delivery timeline, I prefer to identify it early rather than leave surprises until the end. LET'S DISCUSS YOUR PRODUCT Are you building a Flutter MVP, launching a SaaS platform, developing a B2B marketplace, or improving an existing mobile application? Send me your product brief, Figma design, existing application, or development backlog. I'll help you understand the technical approach, key dependencies, and practical next steps before we commit to implementation. If you already have a defined scope, we can discuss milestones, priorities, and delivery expectations. Let's turn your product requirements into software your business can use, maintain, and grow. Deep Shah
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $5.3k
Billed in all: $43,246$43k
$878 in the last 6 months
Across 34 contracts
Earnings, last 30 days
Skill rankings: Top 10% in ExpressJS
Ranked by MRR among everyone on Upwork with the skill.
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