Python Backend Developer (File processing)

payabl.

5h•Remote

About The Position

payabl. empowers businesses to grow through payments innovation and banking services. Our ambition is to expand our strong portfolio of global financial services and make them all accessible through our unified platform, payabl.one. As a licensed financial company with principal membership with card schemes, we specialize in global payments and multi-currency banking solutions. We are looking for a Mid-Level Backend Developer to support our growing File Processing team. You will be a key contributor to our migration journey, helping us move legacy batch jobs into a modern Python ecosystem. This is an ideal role for an engineer who wants to dive deep into high-load data pipelines and financial orchestration in a fast-paced fintech environment.

Requirements

3+ years of backend development experience with Python.
Familiarity or hands-on experience with orchestration tools like Airflow or Prefect.
Exposure to AWS services such as S3 and Lambda.
Experience with relational databases, specifically MySQL.
You write intentional, human-readable code and can explain your implementation choices without relying on AI.
You care about the business logic and "why" behind the code, especially regarding payment flows and reconciliation.
Strong analytical skills and a proactive approach to troubleshooting.
Participate in agile sprints and maintain clear English communication with the team and stakeholders.

Responsibilities

Support the re-architecture of legacy Perl batch jobs into modern, maintainable Python services.
Assist in implementing workflow orchestration (Prefect/Airflow) to ensure safe job re-runs and system stability.
Help instrument our services with logging and alerting (Grafana/CloudWatch) so we can monitor systems without direct production access.
Work on data ingestion pipelines, moving raw data to S3 and transforming it into relational database records.