payabl. logo
payabl.

We're powering the growth of merchants by helping them take payments easily, securely and globally.

Senior Backend Python Engineer

Backend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 51-200H1B No SponsorCompany SiteLinkedIn

Location

Portugal + 1 moreAll locations: Portugal | Ukraine

Posted

3 days ago

Salary

0

Seniority

Senior

Job Description

Senior Backend Python Engineer

payabl.

Role Description The role is about: - Dual-Track Maintenance: Support and extend the existing Perl-based payment gateway debugging production issues and adding features while the migration is ongoing. - Modernization: Design, develop, and maintain modern server-side components in Python, ensuring high performance and scalability. - Integrations: Integrate third-party APIs and external payment services into both legacy and modern platform layers. - Agile Collaboration: Maintain clean and strong English communication to effectively collaborate with multiple stakeholders across departments working in agile sprints. - Product Thinking: Go beyond the "what" and "how" of the code bring a product-focused mindset to understand the business logic and user impact of what you build. - Engineering Standards: Participate in code reviews, uphold high code quality standards, and contribute to a culture of continuous improvement. - Infrastructure: Work closely with DevOps on CI/CD pipelines, containerization, and cloud deployments. Qualifications - Python Expertise: 5+ years of backend engineering experience with strong Python mastery (AsyncIO and FastAPI preferred). - Legacy Flexibility: Experience with Perl (or a genuine eagerness to learn and work within Perl production code). We value polyglot engineers who can read and refactor legacy code. - API Mastery: Solid experience integrating third-party APIs and a deep understanding of webhooks, callbacks, and retry policies. - Tech Stack: Experience with CI/CD pipelines (GitLab preferred), Docker containerization, and familiarity with AWS (Lambda, cloud services). - Architecture: Exposure to event-driven architectures (Kafka, message queues, etc.). - Clean & Intentional Code: We value deep engineering logic over AI-generated snippets. You should be a "clean code" advocate who can explain the reasoning behind every line you ship. - Curiosity for Product: You care about the "why" behind a feature. You are interested in how a product works for the end-user and the business. - English Proficiency: Strong English communication skills—both written and verbal—to collaborate across multi-functional teams. Requirements - Location: Remote from Portugal / Ukraine (Contractor arrangement) - Reporting to: Technical Lead Hiring Process - Step 1: Initial Interview – A 30–40 minute online interview with a Talent Acquisition Partner where we explore your experience, motivations, and overall fit for our modernization culture. - Step 2: Live Technical Assessment Interview – A 90-minute live coding challenge and system design discussion with our field technical experts. - Step 3: Final Discussion – A 30-minute conversation with our CTO, CPO, and TA Partner to discuss behavioral traits, background, and clarify the domain scope. Benefits - Grow with Us: Annual Learning Budget for professional development (eligible after probation)—because your growth is our growth. - Celebrate Together: We bring colleagues from all offices together for unforgettable company celebrations. - Global Collaboration & Events: Opportunities to participate in international company events and initiatives, connecting with colleagues from all regions and contributing to a truly global community.

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