Shubhanga CS
Build systems
that scale.
I turn ideas into production-grade software — Flutter mobile apps, Golang microservices, PostgreSQL schemas, and multi-cloud deployments. 6+ clients, 10+ shipped products, zero handoff friction.
6+
Clients
10+
Projects
3+
Clouds
1yr
Experience
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Tech Stack
Tools I work with
Hover over each item to explore. The stack I use to build production systems.
Experience
My Journey
3 roles · 3+ years · always building
Epicode
Software Dev Intern
Built the CPaaS platform frontend in SvelteKit to enterprise production standards. Immersed in real CI/CD workflows, structured code-review culture, and team collaboration at scale.
Vithsutra Technologies
Flutter & Backend Developer
Co-founded a college IoT startup. Built Flutter apps for hardware devices, designed event-driven Golang backends with PostgreSQL + Redis, and deployed multi-cloud across AWS, GCP, Digital Ocean.
// system architecture
Self-Employed
Independent Developer
6+ clients across fintech, IoT, e-commerce, and AI surveillance. End-to-end ownership: architecture → backend → frontend → cloud deployment. Single point of contact, zero handoff friction.
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Clients
0+
Projects
0+
Clouds
0K+
Commits
Selected Work
Case studies
Real projects, real outcomes. Hover a card to see the full tech breakdown.
Process
How I work
structured · async-friendly · transparent
Requirements & Architecture
Discover
Deep-dive into your requirements, constraints, and goals. Define system boundaries, data flows, and choose the right tech stack before writing a single line of code.
- Requirements doc
- System architecture
- Tech stack decision
- Timeline estimate
Blueprint & Contracts
Design
API contracts, database schemas, UI wireframes, and architecture diagrams. Full alignment on what gets built — before a single commit.
- API contracts
- DB schema design
- UI wireframes
- Architecture diagram
Iterative Development
Build
Weekly build cycles with demos and check-ins. Clean, tested, production-ready code shipped incrementally with continuous feedback loops.
- Weekly demos
- Test coverage
- Code reviews
- Progress updates
Launch & Scale
Deploy
CI/CD setup, cloud deployment, monitoring dashboards, and performance tuning. Your system stays healthy and scalable as you grow.
- CI/CD pipeline
- Cloud deployment
- Monitoring setup
- Post-launch support
Ready to start a project?
Typical projects kick off within 1 week of first conversation.
Services
What I build
6 service areas · solo or collaborative · fixed price or hourly
Mobile App Development
Cross-platform Flutter apps with native performance — from IoT hardware integrations and BLE to full e-commerce platforms. One codebase, iOS + Android.
- App for iOS & Android
- BLE / RFID integration
- State management
- App Store deployment
Backend Systems & APIs
High-throughput Golang services and Node.js APIs. REST and event-driven architecture, PostgreSQL schemas, Redis caching — designed for production load.
- REST / gRPC API
- DB schema + migrations
- Auth (JWT/OAuth)
- Load-tested endpoints
Web & Frontend
Fast, accessible frontends in SvelteKit, Next.js, and TypeScript. Enterprise code standards, comprehensive testing, and CI/CD-ready from day one.
- Responsive web app
- Component library
- SEO-optimised pages
- CI/CD pipeline
Cloud & DevOps
Production deployments on AWS, GCP, and Digital Ocean. Dockerized microservices, CI/CD pipelines, reverse proxy configuration, and infrastructure automation.
- Multi-cloud deployment
- Docker + Compose
- CI/CD automation
- Monitoring setup
IoT & Embedded Systems
Event-driven backends for hardware products. MQTT brokering, serial + BLE device communication, real-time telemetry pipelines, and embedded firmware bridges.
- MQTT broker setup
- Device protocol handler
- Real-time dashboard
- Hardware SDK bridge
End-to-End Products
From architecture whiteboard to deployed product. I own the full stack — backend, mobile, web, cloud, and everything in between. One contact, zero handoff friction.
- Architecture design
- Backend + frontend
- Cloud deployment
- Post-launch support
Reviews
What clients say
5.0
from 4 clients
“The IoT platform Shubhanga built handles thousands of device events daily without missing a beat. The MQTT + Golang architecture performs exactly as promised — zero downtime in 8 months.”
Aakash M.
CTO · Hardware Startup
“Delivered a full fintech portal in under 6 weeks. Bank-grade security, clean Golang microservices, and a developer who genuinely understood compliance requirements. Exceptional work.”
Rohan S.
Founder · Fintech Startup
“We needed a complex BLE + RFID Flutter app with tricky hardware integration. Shubhanga nailed it. Zero production bugs after 6 months. The SOLID architecture he chose made updates trivial.”
Priya T.
Product Manager · Device Company
“The e-commerce + social platform serves our entire farmer community. The AWS S3 + CloudFront setup handles media flawlessly, and the performance is leagues above what we had before.”
Suresh K.
Director · Agromart
Clients
Fintech · IoT · SaaS
Projects shipped
MVP to production
Cloud platforms
AWS · GCP · DigitalOcean
Professional experience
And still learning
Interactive
Terminal
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Contact
Let's build something
together.
Open to freelance projects in fintech, IoT, e-commerce, and cloud infra. Typically respond within 24h.