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Systemsbehindtheinterfaces

Payment instrument integrations, travel booking flows and long-running personal projects — each one documented as a case study.

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01Flagship

Case studies

01Payments · Fintech5 technologies

ExpenseWise

Employee Benefits & Payment Instrument Integration

Employee benefits platform with e-RUPI and CBDC integrations and end-to-end voucher workflows.

Node.jsNestJSTypeScriptPostgreSQLREST APIs

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02Travel · Integrations5 technologies

Travel & Flight Booking Platform

Flight booking and travel API integration with search, seat selection and booking workflows.

Next.jsReactTypeScriptNode.jsREST APIs

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Also built

03SafeRideXNext.js · Tailwind CSS · ExpressMini project implementing a blockchain-based cab booking workflow (Mar 2023 – Jun 2023).

04PortfolioNext.js · TypeScriptOpen-source personal portfolio, maintained since Dec 2020.

Tell me about the problem — I'll reply with how I'd approach it, what I'd build first, and what I'd need from you.

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Direct

koushikpuppala@koushikpuppala.com

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Projects4 projects2 featured

Systemsbehindtheinterfaces

Payment instrument integrations, travel booking flows and long-running personal projects — each one documented as a case study.

Start a conversation

01Flagship

Case studies

01Payments · Fintech5 technologies

ExpenseWise

Employee Benefits & Payment Instrument Integration

Employee benefits platform with e-RUPI and CBDC integrations and end-to-end voucher workflows.

Node.jsNestJSTypeScriptPostgreSQLREST APIs

Read the case study

02Travel · Integrations5 technologies

Travel & Flight Booking Platform

Flight booking and travel API integration with search, seat selection and booking workflows.

Next.jsReactTypeScriptNode.jsREST APIs

Read the case study

Also built

03SafeRideXNext.js · Tailwind CSS · ExpressMini project implementing a blockchain-based cab booking workflow (Mar 2023 – Jun 2023).

04PortfolioNext.js · TypeScriptOpen-source personal portfolio, maintained since Dec 2020.

Tell me about the problem — I'll reply with how I'd approach it, what I'd build first, and what I'd need from you.

Start a conversation

View resume

Direct

koushikpuppala@koushikpuppala.com

GitHub LinkedIn Email

Resume

Systemsbehindtheinterfaces

Case studies

ExpenseWise

Travel & Flight Booking Platform

Have something worth building?

Systemsbehindtheinterfaces

Case studies

ExpenseWise

Travel & Flight Booking Platform

Have something worth building?