CareerPlan

Full-Stack Engineer (Backend Leaning) - Payments Engineering

RemoteFull-time2026-10-14 → 2026-11-09
Hybrid

Core

Building and maintaining usage tracking, enterprise pricing, and payment processing systems for an AI voice platform.

Role type

Senior Full-Stack Engineer (Backend Leaning)

Builds

Billing, usage tracking, and payment infrastructure for self-serve and enterprise customers

Domain

Fintech / Payments / AI Infrastructure

Deliverable

production ML models

Required skills

Python, backend development, system design, API design, cloud infrastructure, data structures, test design, security fundamentals

Preferred skills

payment processing providers, billing and usage-based pricing systems, stream processing, high-throughput event pipelines, finance/tax/audit compliance, Kubernetes

Responsibilities

Building usage tracking to meter requests accurately, leading migration of enterprise pricing and usage processing, enabling customer upgrades and new payment providers, collaborating with Finance and Tax teams for compliance, enabling pricing experiments, debugging complex customer billing scenarios

Seniority

Senior, hands-on IC