Senior Backend Developer (Services)

• 5+ years of backend development experience with strong Python expertise
• Deep knowledge of AsyncIO and FastAPI
• Experience building non-blocking, high-reliability microservices
• Strong experience with relational databases (MySQL, PostgreSQL)
• Solid understanding of API design and third-party integrations
• Experience implementing webhooks, callbacks, and retry strategies
• Strong testing practices (unit and integration testing)
• Ability to work with legacy systems and migrate them into modern architectures
• Strong analytical and problem-solving skills
• Ownership mindset and ability to work autonomously within a defined architecture
• Experience with PHP, Perl, or JavaScript
• Familiarity with Kafka, Redis, or event-driven architectures
• Exposure to CI/CD pipelines, Docker, and Kubernetes
• Experience in fintech, payments, or e-commerce domains
• Knowledge of 3DS, tokenization, or payment gateway integrations
• Proven experience migrating systems across technologies or paradigms

Engineering Culture & Environment

• Clear architectural direction with full ownership of implementation
• Strong emphasis on engineering quality, reliability, and accountability
• Open to new tools, ideas, and technologies that bring measurable value
• Collaborative environment with room to influence technical decisions
• Dedicated DevOps support, with opportunities to contribute if desired

What to Expect

• A balanced role between building new services and modernizing legacy systems
• Complex, real-world engineering challenges in a high-reliability environment
• Opportunity to shape the evolution of a modern service-based architecture
• A team that values autonomy, ownership, and pragmatic problem-solving

Hiring Process

• Step 1 – Thinking in Action (40 minutes) Your first conversation will be with our Talent Acquisition team. We'll explore your background, career journey, motivations, and overall fit for the role. As part of this discussion, you'll also complete a short technical screening that will be reviewed by our engineering team. This stage helps us understand both your experience and how you approach technical challenges.
• Step 2 – Build in Production (60–90 minutes) Meet with the Team Lead and technical experts for a practical assessment. Depending on the role, this may involve a live coding exercise or a real-world scenario designed to evaluate your technical skills, problem-solving approach, and ability to work through challenges similar to those faced by our teams.
• Step 3 – Final Interview (45 minutes) The final stage is a group interview with senior members of our Technology squad, which may include the CTO, CPO, and Team Lead. Together, we'll discuss team fit, collaboration style, expectations from both sides, and any remaining questions about the role, team, or technology domain. This is also an opportunity for you to learn more about our culture and ways of working.