Senior Backend Python Engineer (APM Gateway)

4 days, 8 hours ago
Contract
Senior
Software Development
payabl.

payabl.

payabl. empowers merchants to handle payments on a global scale by offering a comprehensive solution that includes card acquiring, alternative payment methods, payment accounts, and prepaid cards.

Diversified Financial Services
51-250
Founded 2011

Description

  • Extend and support the existing Perl-based payment gateway while developing Python microservices.
  • Architect and implement scalable distributed services for high-load production environments.
  • Integrate third-party APIs and payment services, including robust error handling.
  • Lead code reviews, promote engineering best practices, and identify performance bottlenecks.
  • Collaborate with DevOps to improve GitLab CI/CD pipelines and AWS-based deployments.
  • Apply product-focused thinking to understand business logic and user impact.
  • Troubleshoot complex distributed-system production issues and maintain zero-downtime operations.
  • Own features from design through production and mentor other engineers.

Requirements

  • 5+ years of backend engineering experience with deep Python expertise; FastAPI and AsyncIO preferred.
  • Experience building and scaling microservices and high-throughput systems, preferably in payments, trading, or real-time processing.
  • Strong understanding of third-party API integrations, webhooks, callbacks, idempotency, and retry policies.
  • Strong Docker/containerization experience and knowledge of AWS, including Lambda, SQS/SNS, and cloud networking.
  • Experience with event-driven architectures and messaging systems such as Kafka or RabbitMQ.
  • Willingness to learn and work with Perl production code; Perl experience is a major advantage.
  • Strong engineering judgment, clean coding practices, and the ability to explain technical decisions.
  • Experience owning features end-to-end and mentoring engineers.
  • Strong written and verbal English communication skills.
  • Willingness to work remotely from Portugal or Poland under a contractor arrangement.

Benefits

  • Annual professional development budget after probation.
  • Company celebrations bringing colleagues together across offices.
  • Opportunities to attend international company events and initiatives.
  • Remote work from Portugal or Poland.

Interested in this position?

Apply directly on the company website

Apply Now

Similar Roles

Senior Node.js Developer - (NestJS) - Remote - 3 Months - Octopus by RTG

Robusta Technology Group 51-250 Professional Services

Robusta Technology Group’s Octopus team is seeking a Senior Node.js Developer to join a UAE-based client team and build scalable, reliable, high-performance backend applications.

Git JavaScript NestJS Node.js REST API TypeScript
2 days, 8 hours ago

Backend Software Engineer - AI Training Projects

Gramian Consultancy Group Professional Services

Gramian Consultancy is seeking remote contractor backend software engineers to create realistic coding challenges and reliable verification systems for next-generation AI training projects.

C++ Cybersecurity Go Java Node.js Python Rust TypeScript
1 week ago

Software Engineer - Backend & AI Code Evaluation

Gramian Consultancy Group Professional Services

Gramian Consultancy is seeking remote Backend Software Engineer contractors to create and evaluate realistic coding tasks for a next-generation AI training initiative, improving AI systems’ ability to solve real-world backend engineering problems.

C++ Go Java Node.js Python Rust TypeScript
1 week, 1 day ago

Software Engineer - Backend & AI Code Evaluation

Gramian Consultancy Group Professional Services

Gramian Consultancy is seeking remote Backend Software Engineer contractors to create and evaluate realistic coding tasks that improve AI systems’ ability to solve real-world software engineering problems.

C++ Go Java Node.js Python Rust TypeScript
1 week, 1 day ago

You're on a roll! Sign up now to keep applying.

Sign Up

Already have an account? Log in

Used by 14,729+ remote workers