payabl.
More roles at payabl.Senior Backend Developer (Services)
Remote role where the employee must remain based in a particular country.
Poland only
Employer listed it 3 months ago · Added 2 days ago
Been open since 3 months ago. Long-running listings are sometimes left up after the role is filled.
Salary
Not stated
Location
Poland only
Timezone
CET ±2
Contract
Full-time
Experience
Senior
Category
Software
This employer didn't state pay. Jobs like this usually pay around $170k–$225k a year, a typical range taken from 599 senior-level software roles on Nomaders that do state pay. It's a guide, not an offer.
Remote flexibility
Work from home
This is a remote role, but the employee must be based in Poland. It is work from home rather than work from anywhere.
What the employer says
- Source listing states candidate location: "Warsaw, Poland, Warsaw, Masovian Voivodeship, Poland, Warsaw, Masovian Voivodeship, Poland, Remote"
What Nomaders makes of it
- Residency required in Poland
- Payroll and tax are likely handled in that country only
The quotes above are the employer's own words; the reading is ours. Always check the original listing and employment terms before working from another country.
About the role
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.
The role is about: We are looking for a Senior Python Backend Developer (Services) to join our engineering team and contribute to the evolution of our service layer architecture.
This role is focused on designing and building reliable, scalable microservices while also working with and gradually transforming legacy systems. You will play a key role in extracting business logic from existing codebases and reimplementing it into modern, maintainable Python services.
This is a hands-on engineering role requiring strong problem-solving skills, attention to detail, and a deep understanding of backend systems reliability. Success in this role means going beyond “it works” — ensuring correctness, resilience, and long-term maintainability.
Location: Remote from Poland (Contractor arrangement) Reporting to: Engineering Lead
What You’ll Do
Design, build, and maintain high-performance Python microservices (FastAPI, AsyncIO)
Analyze legacy systems and extract business logic into modern architectures
Refactor and migrate existing modules into clean, scalable, and maintainable services
Ensure system reliability through idempotency, fault tolerance, and robust error handling
Design and integrate external APIs, handling edge cases, retries, and failures
Implement and manage webhooks, callbacks, and complex retry mechanisms
Write high-quality unit and integration tests
Collaborate with cross-functional teams to ensure service stability and performance
Contribute to architectural discussions and continuous system improvements
Take ownership of services end-to-end, from design to production
What We’re Looking For
5+ years of backend development experience with strong Python expertise
Deep knowledge of AsyncIO and FastAPI
Experience building non-blocking, high-reliability microservices
Strong experience with relational databases (MySQL, PostgreSQL)
Solid understanding of API design and third-party integrations
Experience implementing webhooks, callbacks, and retry strategies
Strong testing practices (unit and integration testing)
Requirements
- ·Ownership mindset and ability to work autonomously within a defined architecture
- ·Experience with PHP, Perl, or JavaScript
- ·Familiarity with Kafka, Redis, or event-driven architectures
- ·Exposure to CI/CD pipelines, Docker, and Kubernetes
- ·Experience in fintech, payments, or e-commerce domains
Benefits
No benefits package published with this listing. Ask about it at first interview.
How to apply
- 1Check the flexibility label above, work from home, matches where you plan to live and work.
- 2Tailor your CV to the role at payabl., mentioning your remote working experience and working hours (CET ±2).
- 3Apply directly on the employer's careers page using the button below. Nomaders never handles your application.
Found 2d ago. Last checked 25 Sept. Always confirm the details on the original posting, salary and location can change after publication.
Listing sourced from Company boards.
Similar roles
Other open software roles with comparable remote rules.
Free to apply, no account needed.
Typically $170k to $225k per year · You'll be taken to the employer's careers page.