Senior Backend Python Engineer (Core Gateway)
Core
Senior Backend Engineer maintaining a legacy Perl payment gateway while architecting and building a next-generation Python microservices platform for global financial transactions.
Role type
Senior Backend Engineer (Dual-track: Legacy Maintenance & Modernization)
Builds
High-performance payment gateway infrastructure and next-gen Python microservices for global payments and multi-currency banking
Domain
Fintech / Global Payments / Banking Infrastructure
Deliverable
production ML models | product features | infrastructure
Required skills
Python (AsyncIO, FastAPI), Perl, API Integration (webhooks, callbacks), CI/CD pipelines, Docker, AWS, Event-driven architectures (Kafka)
Preferred skills
Product thinking, Clean code advocacy, Curiosity for business logic
Technologies
Python, Perl, FastAPI, AsyncIO, GitLab, Docker, AWS, Kafka
Responsibilities
Debug and extend existing Perl-based payment gateway in production; Design and develop modern server-side components in Python; Integrate third-party APIs and external payment services; Collaborate with DevOps on CI/CD pipelines, containerization, and cloud deployments
Seniority
Senior, hands-on IC