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CASE 06 / Side quests

An academic payments-app prototype.

My Flutter and Firebase college project explored a payment interface for under-18 users.

THE PROJECT
Pay-Kardo
THE CONTEXT
Pay-Kardo / Academic project
THE CHAPTER
2022 - 2023

Original concept illustration, not a production screenshot. Internal product details are intentionally kept high-level.

01 / The problem.

Pay-Kardo was my academic project around a payment-app experience for under-18 users. I built the mobile prototype with Flutter and Firebase. This was a college exploration of the interface and backend, not a launched UPI service.

02 / My role.

I developed the Flutter app and connected it to Firebase as part of my academic work. I include it as an early mobile project, not as evidence of payment-processing scale or a live financial service.

My contribution
Developed the Flutter and Firebase academic app.
Shared scope
A product exploration for under-18 users, not a claim of a live regulated payment service.
What changed
A Flutter and Firebase academic prototype.

03 / Implementation details.

  • Implementing the mobile screens in Flutter and Dart.
  • Connecting the app to Firebase services.

04 / The result.

  • Built the mobile prototype using Flutter, Dart, and Firebase.
  • Completed it as an academic project, not a production payment launch.

05 / CONTACT

ROLES & FREELANCE PROJECTS

Have a role
or project?

I'm open to senior SDE roles and freelance work.
Send the problem, your team's needs, and any timeline.

HITEC City, Hyderabad, India
SEND ME A NOTE

What's on your mind?

Sends via Formspree.
A conversation, not a mailing list.

HAVE A PROJECT IN MIND?

What I can help with.

Focused freelance work, with scope and deliverables agreed before the build.

Backend & APIs

Node.js, TypeScript, and Fastify services, PostgreSQL and Drizzle data models, and fixes to existing backend behavior.

Example deliverablesTyped API contracts, backend implementation, and focused tests.

Third-party integrations

Email, calling, messaging, payments, and product-aware AI integrations, including authenticated webhooks and receipt deduplication.

Example deliverablesProvider integration, webhook handling, and a recovery/runbook handoff.

Workflow systems

Order stages, partial-progress tracking, and role-specific interfaces for operations teams.

Example deliverablesWorkflow modeling, scoped permissions, and an operational interface.

Tell me what you're building