Senior Python Backend Developer

payabl.

13h•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 expanding our engineering capabilities and looking for a Senior Backend Engineer to join our growing team. In this role, you will play a key part in designing and building scalable, high-performance backend systems, contributing to the development of robust services that support a range of internal and customer-facing products. You will work in a fast-paced environment where system performance, scalability, and reliability are critical.

Requirements

5+ years of backend engineering experience with strong Python expertise.
Proven experience building and scaling microservices architectures.
Strong knowledge of FastAPI or Django.
Experience working with AWS (including services such as Lambda).
Strong experience with Docker and containerization.
Experience with CI/CD pipelines (GitLab preferred).
Strong understanding of distributed systems and high-load environments.
Experience designing and optimizing systems for performance and scalability.
Solid experience integrating third-party APIs.
Strong problem-solving and analytical skills.
Excellent communication skills and ability to work in a remote-first environment.

Nice To Haves

Experience in fintech, payments, or financial platforms.
Experience with high-throughput systems (e.g. trading, payments, real-time processing).
Familiarity with event-driven architecture (Kafka, messaging systems).
Experience mentoring or supporting other engineers.

Responsibilities

Design and implement scalable Python microservices in a distributed architecture.
Build and optimize high-performance backend systems, ensuring scalability and reliability under high load.
Integrate and manage third-party APIs and external services.
Collaborate with cross-functional teams to define technical solutions and system design approaches.
Work with AWS services (e.g. Lambda, cloud infrastructure) to architect and deploy solutions.
Improve and maintain CI/CD pipelines and deployment processes in collaboration with DevOps.
Lead and contribute to code reviews, ensuring high engineering standards.
Identify system bottlenecks and drive performance and scalability improvements.
Troubleshoot complex production issues in distributed systems.
Contribute to technical discussions and guide best practices within the team.