Dinesh Saini

Senior Full Stack Developer with 8+ years building production web apps, REST APIs, and backend systems (NestJS, Next.js, PostgreSQL, AWS, Shopify, Redis, BullMQ, Python). Delivered 40% infrastructure cost reduction, 30% performance gains, and 99.9% uptime systems while leading technical decisions across multiple products.

Senior Software Engineer at Fitelo (NG Fitness & Nutrition India Pvt. Ltd) (2026-03 – Present)

• Built LivFitty (Fitty) — a customer retention & health CRM/OMS product — from scratch using Next.js + NestJS + PostgreSQL + Shopify (Nx monorepo); wrote the full BFF layer integrating Shopify Admin GraphQL
• Set up BullMQ + Redis for async order processing and Shopify webhook handling (HMAC verification, idempotent TypeORM upserts); added JWT auth, RBAC & rate limiting across NestJS modules
• Supported core Fitelo platform (200K+ customers, 12+ countries) and built Smart Scale (BIA) integration capturing 18+ body metrics; maintained tools used by 800+ coaches/nutritionists

Team Lead at GemsNY (2025-11 – 2026-03)

• Led engineering for gemsny.com (50,000+ certified gemstones, custom ring configurator) on AWS + Kubernetes; managed catalog, search/filter, and build-flow team
• Oversaw Attentive, Mixpanel, and Shopper Approved integrations; ran sprint planning and code reviews to keep releases on schedule

Lead Full Stack Developer at Royal York Property Management Franchising (2024-07 – 2025-11)

• Architected AWS Lambda/API Gateway platform for 500+ franchise locations; built MongoDB & PostgreSQL pipelines automating 10,000+ workflows/month
• Integrated Zoho CRM (+35% lead conversion, 200+ agents); CI/CD via AWS Amplify cut deployment time 50% across 15+ microservices

Senior Full Stack Developer at Dreamcast Inc (2024-02 – 2025-06)

• Built notification system handling 1M+ daily notifications at 99.9% uptime for 50,000+ users using BullMQ; set up event-driven microservices that scaled to 500% traffic spikes
• Optimized Excel batch pipeline (10K+ records, 2 hrs → 45 min); built QR code system processing 25,000+ codes/day

Lead Developer (Jun 2023–Jan 2024) → Senior Full Stack Developer (Jan 2021–Jun 2023) at Wedigtech Technology / Weteams Solutions (2021-01 – 2024-01)

• Led global talent marketplace (10,000+ professionals, 25+ countries) and project management suite (500+ live projects); improved performance 25%, page load <2s
• Built BlueSky INTEL (blockchain analytics, $50M+ transaction data), SnatchJobs (100,000+ job seekers), and uspeeknow AI (1M+ audio min/month); cut API response time 800ms → 200ms (+30%)

Laravel Developer at Arustu Technology Pvt. Ltd (2018-01 – 2021-01)

• Built REST APIs handling 50,000+ daily requests at 99.5% uptime across 10+ client apps; scaled MySQL/MongoDB to 2M+ records
• Delivered 25+ client projects with a 100% on-time delivery rate

Bachelor of Computer Application in Computer Application – Jaipur National University