Python Backend Developer (File processing)

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 Mid-Level Backend Developer to support our growing File Processing team. You will be a key contributor to our migration journey, helping us move legacy batch jobs into a modern Python ecosystem. This is an ideal role for an engineer who wants to dive deep into high-load data pipelines and financial orchestration in a fast-paced fintech environment.

• Location: Vilnius, Lithuania
• Reporting to: Technical Lead

What you will do:

• System Implementation: Support the re-architecture of legacy Perl batch jobs into modern, maintainable Python services.
• Operational Reliability: Assist in implementing workflow orchestration (Prefect/Airflow) to ensure safe job re-runs and system stability.
• Observability: Help instrument our services with logging and alerting (Grafana/CloudWatch) so we can monitor systems without direct production access.
• Data Transformation: Work on data ingestion pipelines, moving raw data to S3 and transforming it into relational database records.
• Collaboration: Participate in agile sprints and maintain clear English communication with the team and stakeholders.

What we need:

• Python Expertise: 3+ years of backend development experience with Python.
• Orchestration Exposure: Familiarity or hands-on experience with orchestration tools like Airflow or Prefect.
• AWS Fundamentals: Exposure to AWS services such as S3 and Lambda.
• Databases: Experience with relational databases, specifically MySQL.
• Clean Code: You write intentional, human-readable code and can explain your implementation choices without relying on AI.
• Curiosity for Product: You care about the business logic and "why" behind the code, especially regarding payment flows and reconciliation.
• Problem Solving: Strong analytical skills and a proactive approach to troubleshooting.

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. This is your chance to walk us through your background and highlight your key achievements.
• Step 2: 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 60-90 minutes.
• Step 3: Final Discussion – A 30-minute conversation with the CTO, CPO, Team Lead, and Talent Acquisition Partner to clarify any remaining questions about responsibilities, the domain, or the scope of the role. This is also your opportunity to learn more about our culture and expectations.

The perks of being a payabl.er: 

• 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

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. Together, we can make an impact that resonates. Welcome to the team! 

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