What you'll do

● Build and maintain backend services in Node.js and TypeScript

● Implement and integrate payment flows: pre-authorisation, capture, payouts, and reconciliation

● Work with our payment and settlement stack (payment gateway, SPEI rails, ledger, invoicing)

● Build and consume REST APIs, including OCPI integrations with charging networks

● Handle the money-movement edge cases properly: failed captures, partial sessions refunds, idempotency, double-charge prevention

● Write clean, tested, well-documented code and take real ownership of what you ship

Required:

● 2+ years building production backend services in Node.js and TypeScript

● Hands-on experience with payments or fintech:

you've integrated a payment provider, handled transactions, or worked on financial flows before

● Solid understanding of REST API design and integration

● Relational databases ( PostgreSQL or similar

)

● Care about correctness. You understand that in money systems,



edge cases aren't optional

● Comfortable working independently in a small team and communicating clearly in English

Nice to have:

● Experience with a payment gateway or PSP integration (Stripe, OpenPay, or similar)

● Familiarity with ledger or double-entry accounting systems

● AWS (deployment, basic infrastructure)

● Experience with SPEI / Mexican payment rails, or other local payment systems

● Exposure to OCPI, EV charging, or mobility platforms.

● Skilled with AI-assisted coding tools (Claude Code, Copilot, Cursor) and able to ship faster with them

Experience: 2 to 4 years

Location: Remote

Shift time:

6am to 4pm

Employment Type: Contract (Duration: 6 to 12 months)

Notice Period: Immediate to 15 days

Interested candidates can share their updated resume to: [email protected]

📌 Backend Engineer - Payments/Fintech/EV charging (2 to 4 years) (India)
🏢 Ewarriors Tech Solutions
📍 India