[Hiring] Senior Python Backend Developer @payabl.

Role Description

We are building a new SWAT Engineering Team in Portugal to accelerate and assist our Core Gateway and Gateway Projects teams by developing a new internal platform and tooling layer. The Senior Backend Developer will play a key role in designing and building a new payment gateway support platform, focusing on performance, scalability, and developer efficiency. This is a high-impact engineering role combining hands-on backend development, architecture ownership, and technical leadership within the squad.

You will work closely with Core Gateway, DevOps, and Platform teams to reduce complexity in legacy systems and improve system-wide efficiency.

Location: Remote from Portugal

Reporting to: Group CTO

What you will do:

• Design and build scalable Python-based microservices supporting a new internal gateway enablement platform.
• Take ownership of system architecture decisions, ensuring long-term scalability, performance, and maintainability.
• Develop tools and services that improve efficiency of existing Core Gateway and Gateway Projects teams.
• Integrate and abstract third-party APIs and payment-related external services.
• Define engineering standards for the SWAT team (coding practices, API design, service structure).
• Collaborate closely with DevOps to design and improve CI/CD pipelines, deployment strategies, and observability.
• Lead code reviews and ensure high engineering quality across the team.
• Work across legacy (Perl) and modern systems, enabling gradual modernization.
• Identify bottlenecks in existing systems and design technical solutions to remove them.
• Act as a technical reference point within the SWAT team.

Qualifications

• 6+ years of backend engineering experience, with strong Python expertise.
• Proven experience designing and delivering microservices architectures at scale.
• Strong knowledge of FastAPI or Django (FastAPI preferred).
• Experience building systems in high-performance, distributed environments.
• Strong experience with API design (RESTful services, event-driven architecture is a plus).
• Hands-on experience with Docker, CI/CD pipelines (GitLab preferred).
• Cloud experience (AWS or GCP).
• Strong understanding of system design, scalability, and reliability principles.
• Experience in fintech / payment systems / banking / high-volume transaction systems (strong plus).
• Ability to work with or maintain legacy systems (Perl exposure is a plus, but not required).
• Strong ownership mindset with ability to drive technical direction independently.

Hiring Process

• Step 1: Initial Interview – A 30–40 minute online interview with a Talent Acquisition Partner where we explore your experience, career goals, motivations, and overall fit for the role.
• Step 2: Leadership Interview – A 30-minute online discussion with our CTO and CPO to align on the scope of the role, your background, and behavioral skills.
• Step 3: Live Technical Assessment Interview: A live coding challenge with our team lead and designated field technical experts to assess your technical skills, the interview time will be from 60 minutes.
• Step 4 (Optional): Final Discussion – A 30-minute conversation with the CTO, Team Lead, and Talent Acquisition Partner to clarify any remaining questions about responsibilities, the domain, or the scope of the role.

Benefits

• Grow with Us: Annual Learning Budget for professional development (eligible after probation).
• 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.

Company Description

This is a fully remote role. Your assigned Talent Acquisition Partner will walk you through the specific working arrangements and any applicable conditions during the process.

Let's embark on a journey to redefine the landscape of payments together. We're not just offering a role; we're inviting you to be a part of something bigger. Join our team, and let's innovate, disrupt, and lead the future of payments.

If this role seems like a good match, please submit your resume. All applications are treated with the strictest confidentiality. Please note that we may keep your CV for a period of one (1) year for future relevant job opportunities.