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payabl.

Senior Python Backend Developer

payabl.

Senior Backend Engineer designing and building scalable Python microservices for payabl's financial services. Collaborating with cross-functional teams to deliver robust backend systems.

Posted 6/22/2026contractRemote • 🇺🇦 UkraineSeniorWebsite

Tech Stack

Tools & technologies
AWSCloudDistributed SystemsDjangoDockerKafkaMicroservicesPython

About the role

Key responsibilities & impact
  • 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.

Requirements

What you’ll need
  • 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.
  • 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.

Benefits

Comp & perks
  • Annual Learning Budget for professional development (eligible after probation)
  • Unforgettable company celebrations
  • Opportunities to participate in international company events and initiatives

ATS Keywords

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Hard Skills & Tools
PythonmicroservicesFastAPIDjangoAWSDockerCI/CDdistributed systemsperformance optimizationAPI integration
Soft Skills
problem-solvinganalytical skillscommunication skillscollaborationmentoring