Senior Backend Engineer

The role is about:

We are expanding our engineering capabilities and looking for a Senior Backend Engineer to join our growing team.

In this role, you will play a key part in designing and building scalable, high-performance backend systems, contributing to the development of robust services that support a range of internal and customer-facing products. You will work in a fast-paced environment where system performance, scalability, and reliability are critical.

Location: Remote from Poland (Contractor arrangement) or Cyprus Onsite (Relocation support provided)

Reporting to: Group CTO

What you will do:  

• 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

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• 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
  
  

What we need:

• 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

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• 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
  
  

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.

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• 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
  
  

This is a fully remote role for candidates based in Poland. If you are open to a relocation to Cyprus, 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. Together, we can make an impact that resonates. Welcome to the team!

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