Remote Senior Python for Fraud Detection & Analytics

Checkpayee; United States; Remote; USD 72,000 - 94,000; Full time

Benefits offered by this job

Professional development budget

Conference support

International team

Job summary

Checkpayee in Berlin offers a remote-first backend role focused on fraud detection and payment verification. You will design REST APIs, process transaction data, and improve backend performance to enable real-time risk decisions in a collaborative engineering environment.

The role requires 5+ years of Python experience with Django/DRF, PostgreSQL, and Redis, plus familiarity with secure coding and English communication. Nice-to-have: FastAPI, Docker, CI/CD, AWS.

Qualifications

• Five years of Python backend development experience.
• Strong knowledge of Django and REST API design (Django REST Framework).
• Experience with PostgreSQL and Redis.
• Familiarity with fraud detection or financial risk analytics.
• Understanding of system design and secure coding practices.
• Ability to read technical documentation and communicate in English.

Responsibilities

• Design and implement REST APIs for fraud detection and payment verification.
• Process transaction data to identify unusual patterns and anomalies.
• Profile and improve backend performance for timely decisions.
• Build fraud-related features from concept to production delivery.
• Collaborate with product, engineering, and compliance on architecture and direction.

Skills

Python backend

Django & DRF

PostgreSQL

Redis

Fraud analytics

System design

Secure coding

English communication

Tools

Docker

FastAPI

CI/CD

AWS

Pandas/NumPy

ClickHouse

Job description

Checkpayee in Berlin offers a remote-first backend role focused on fraud detection and payment verification. You will design REST APIs, process transaction data, and improve backend performance to enable real-time risk decisions in a collaborative engineering environment.

The role requires 5+ years of Python experience with Django/DRF, PostgreSQL, and Redis, plus familiarity with secure coding and English communication. Nice-to-have: FastAPI, Docker, CI/CD, AWS.