Senior Python Backend Developer

🕒 June 23

🌐 Ukraine, Portugal – Remote

🇺🇦 Ukraine – Remote 🇵🇹 Portugal – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

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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

• Design and implement scalable Python microservices in a distributed architecture. • Build and optimize high-performance backend systems, ensuring scalability and reliability under high load. • Integrate and manage third-party APIs and external services. • Collaborate with cross-functional teams to define technical solutions and system design approaches. • Work with AWS services (e.g. Lambda, cloud infrastructure) to architect and deploy solutions. • Improve and maintain CI/CD pipelines and deployment processes in collaboration with DevOps. • Lead and contribute to code reviews, ensuring high engineering standards. • Identify system bottlenecks and drive performance and scalability improvements. • Troubleshoot complex production issues in distributed systems. • Contribute to technical discussions and guide best practices within the team.

🎯 Requirements

• 5+ years of backend engineering experience with strong Python expertise. • Proven experience building and scaling microservices architectures. • Strong knowledge of FastAPI or Django. • Experience working with AWS (including services such as Lambda). • Strong experience with Docker and containerization. • Experience with CI/CD pipelines (GitLab preferred). • Strong understanding of distributed systems and high-load environments. • Experience designing and optimizing systems for performance and scalability. • Solid experience integrating third-party APIs. • Strong problem-solving and analytical skills. • Excellent communication skills and ability to work in a remote-first environment. • Experience in fintech, payments, or financial platforms. • Experience with high-throughput systems (e.g. trading, payments, real-time processing). • Familiarity with event-driven architecture (Kafka, messaging systems). • Experience mentoring or supporting other engineers.

🏖️ 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