// Client Work & Case Studies
Projects That
Moved the Needle
Real-world engineering across enterprise ERP, e-commerce, logistics, SaaS, and government — delivered end-to-end with measurable impact.
Selected Work
Client names and identifying details are withheld under NDA.
Unified ERP platform merging an ACE after-sales service ticketing system with 11 role-based executive dashboards — one PostgreSQL database, one auth/role system, one Next.js frontend, replacing two separate codebases and servers. Solo full-stack delivery for 9 business entities across 5 ERPNext v15 Frappe Cloud sites.
- Ticketing engine on NestJS + Prisma: 8 creation sources → a single CreateTicketService → 9-state workflow, with a responsive/PWA Field Service Visit flow and 15 email + SMS notification triggers
- Two-way ERPNext integration: read-only nightly MariaDB master pull + REST-API-only writes (Stock Entry, draft Sales Invoice) and an inbound webhook — no direct DB writes, Frappe permission engine respected
- 11 role-specific dashboards (Sales Head, Finance Head, MD, Manufacturing Head & more) on Next.js 14 App Router + React 19
- Node.js middleware: ERPNext role sync, Promise.all multi-site fan-out across up to 5 sites, Redis per-widget caching — sub-500ms loads vs 5s+ sequential; mock/live toggle via single env flag
- Sales Head dashboard: Decision Band (pace-to-target), pipeline funnel with bottleneck detection, deal drawer with activity timeline
A domain-specific foundry ERP that owns all foundry-operational data end to end — sales-order-to-dispatch, production planning, melting & metallurgy, quality, inventory, maintenance and costing — across a 17-module map, with heat-number genealogy as the golden traceability key. Integrates with the client's existing ERPNext only for finance and payroll.
- Translated a 100+ doctype functional/solution spec into a NestJS + Prisma + PostgreSQL backend and a Next.js 16 / React 19 App Router frontend
- Delivered the RBAC foundation (admin-configurable roles, segregation-of-duties rules), audit logging, and 12+ master-data modules with full CRUD
- Short-lived JWT access tokens backed by rotating, hash-only-stored refresh tokens (rotation-on-use replay protection) with a de-duped silent-refresh interceptor
- ERPNext integration boundary — REST/JSON only, no DB-to-DB — with idempotent correlation-ID calls, retry/backoff queues, and a nightly reconciliation run for one-sided records
Took over a production-critical US-based SaaS laundry management platform with stability issues. Stabilized cloud infrastructure, resolved high-priority production bugs, and led a major platform revamp — all while maintaining uptime for active customers.
Tech Stack
Responsibilities
- Infrastructure setup & configuration
- Deployment management
- Bug fixing & hotfixes
- Feature implementation
- Performance optimization
Key Achievements
- Stabilized a failing production environment
- Delivered full platform revamp
- Improved infrastructure reliability on AWS
Built and maintained a unified multi-service platform supporting food delivery, parcel logistics, and ride-booking operations — architected on microservices for independent scaling of each service. Led the engineering team, drove product decisions, and owned features end-to-end from API design through to production deployment and support.
Tech Stack
Responsibilities
- Team management & mentoring
- Product management & roadmap planning
- Feature development
- Production support
- REST API development
- Database design
- Technical consulting
Key Achievements
- Delivered unified platform across 3 service verticals on microservices architecture
- Designed scalable DB schema for multi-service operations
- Provided ongoing production stability
Led the redesign and modernization of a high-traffic Indian e-commerce platform. Architected a migration plan from a monolithic stack to microservices, improving scalability and developer velocity. Drove key technical decisions while collaborating directly with business stakeholders.
Tech Stack
Responsibilities
- System architecture design
- Backend service development
- Digital Ocean infrastructure setup
- Performance improvements
- Stakeholder discussions
Key Achievements
- Planned monolith → microservices migration roadmap
- Led full platform redesign initiative
- Improved backend performance and scalability
Delivered end-to-end Shopify solutions for clients across fashion, lifestyle, and homeware — from bespoke theme development and custom app integrations to performance optimization and workflow automation. Each engagement was tailored to the client's specific business requirements.
Tech Stack
Responsibilities
- Custom Shopify app development
- Theme customization & HTML/JS coding
- End-to-end store setup
- Third-party app integrations
- Store speed optimization
- Bulk product workflow automation
- AMC — ongoing maintenance & support contracts
Key Achievements
- Built a custom Shopify app with bespoke JS/HTML storefront features for a homeware brand
- Developed a "Make Your Own Mix" product configurator for a food brand using Shopify App + JS
- Significantly improved store loading speed & Core Web Vitals
- Automated bulk product listing via Google Sheets App Script, saving hours of manual work
- Launched multiple fashion brand stores with custom Liquid templates
- Retained clients on AMC for long-term maintenance & feature support
// Let's Build Something
Open for New Opportunities
Available for consulting, freelance development, and technical leadership opportunities. Whether you need an architect, a senior developer, or a hands-on technical partner — let's talk.