Senior Backend Developer – File Processing

🔥 6 minutes ago

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payabl.

WebsiteLinkedInAll Job Openings

51 - 200 employees

💳 Fintech

🤝 B2B

💸 Finance

Fintech • B2B • Finance

payabl. is a fintech company that offers game-changing financial solutions designed to help businesses expand globally. Specializing in a wide range of payment products, payabl. provides services such as card acquiring, banking services, local payment methods, and POS terminals. Their easy-to-integrate payment technology includes features like smart fraud prevention and dedicated customer support, allowing businesses to process local and international payments with ease. Supported by industry experts, payabl. offers over 300 payment methods and cutting-edge fraud protection using AI and machine learning. The company is renowned for its commitment to transparency, real-time bespoke reporting, and personalized customer relationships.

📋 Description

• Pipeline Re-architecture: Migrate and re-architect legacy Perl batch jobs and crontab pipelines into modern Python-based services. • Workflow Orchestration: Design and implement orchestration using Prefect or Airflow, including alerting, observability dashboards, and safe job re-run capabilities. • Modern Observability: Instrument services with structured logging and metrics (CloudWatch, or Grafana) to eliminate the need for direct production server access. • Data Layer Ownership: Manage the data layer for file ingestion: landing raw scheme files to S3, parsing/transforming them, and persisting to PostgreSQL or RDS for reconciliation. • Financial Domain Logic: Process and reconcile payment scheme files (clearing, settlement, chargebacks) from card schemes and acquirers. • Engineering Standards: Contribute to architecture decisions, write technical documentation, and establish best practices across the team.

🎯 Requirements

• Python Seniority: 5+ years of production-grade Python expertise. • Orchestration Mastery: Proven experience in job orchestration using Prefect or Airflow. • AWS Depth: Solid experience with AWS services, specifically S3, Lambda, SQS, and ECS. • Data & Databases: Strong experience with relational databases (MySQL/PostgreSQL) and processing large-scale file-based data. • 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. • Nice to Have: Familiarity with payment scheme file formats (Visa BASE II, Mastercard IPM, or equivalent). Experience reading and refactoring Perl or legacy scripting languages. Knowledge of payment clearing, interchange, and reconciliation processes.

🏖️ Benefits

• Future-Proof Your Finances: Once you’ve passed probation, we’ll kickstart your Provident Fund to secure your future. • Grow with Us: Annual Learning Budget for professional development (eligible after probation)—because your growth is our growth. • Wolt Your Way Through Lunch: €150 monthly Wolt allowance to keep you fueled and happy. • Stay Active Your Way: Enjoy a SportsBenefits membership giving you access to a wide variety of gyms and sports facilities to support your active lifestyle. • Drive in Style: After one year with us, you may be eligible for a company car—performance and availability permitting. • Park with Ease: Complimentary parking space just steps from the office, so your commute is as smooth as your workday. • Max Out Your Downtime: 25 days of vacation + public holidays + 10 days of sick leave. • Shop & Save: Exclusive local discount card + tickets for exciting events like Beonix, basketball games, and more. • Speak Like a Local: Join free Greek language classes, twice a week, open to all team members. • 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