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Senior Backend Developer (Perl & Python)

payabl. • United Kingdom
Relocation
This Job is No Longer Active This position is no longer accepting applications

We are seeking a Senior Backend Developer to join our Core Gateway team in Cyprus. The role involves maintaining and extending our existing Perl-based payment gateway while leading the development of a next-generation Python microservices platform. Candidates must have 5+ years of Python experience with AsyncIO and FastAPI, plus legacy Perl knowledge or strong eagerness to learn it.

Key Highlights
Dual-track role: maintain Perl payment gateway and build Python microservices
5+ years Python backend experience with AsyncIO and FastAPI required
Experience with Perl or strong eagerness to learn it
Key Responsibilities
Support and extend the existing Perl-based payment gateway, debugging production issues and adding features during migration
Design, develop, and maintain modern server-side components in Python ensuring high performance and scalability
Integrate third-party APIs and external payment services into both legacy and modern platform layers
Participate in code reviews and uphold high code quality standards
Technical Skills Required
Python Perl FastAPI
Benefits & Perks
Provident Fund after probation
Annual Learning Budget after probation
€150 monthly Wolt allowance

Job Description

We are expanding our engineering capabilities and looking for a Senior Backend Developer to join our Core Gateway team. This is a unique, dual-track role where you will play a central part in both the present and future of our infrastructure. You will support, maintain, and extend our existing Perl-based payment gateway ensuring stability and high performance in a live financial production environment while simultaneously leading the architecting and building of our next-generation Python microservices platform.In this role, you will work in a fast-paced environment where system performance, scalability, and 99.9% reliability are critical to our core transaction flow.
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