Senior Back End Developer (Payment)

As a Senior Back End Developer, you will design and implement complex backend features, integrations, and microservices. You will take part in platform-level technical decisions, working on a product that matters from day one.

Key Responsibilities

• Design and develop backend product features from scratch.
• Build integrations with third-party financial and technical services.
• Develop public-facing payment services and internal microservices.
• Contribute to architecture and key platform-level technical decisions.
• Follow and promote best engineering practices.

Requirements

• 5+ years of commercial experience with Node.js and TypeScript (Nest.js optional).
• Strong knowledge of PostgreSQL.
• Experience with message queues (RabbitMQ or Kafka).
• Hands-on experience integrating third-party services and designing APIs.
• Understanding of distributed systems.
• Ability to read architectural documentation and work independently.
• Strong problem-solving skills and ownership mindset.

Nice-to-Have

• Experience in the finance domain.
• Background working with microservices.
• Experience writing automated tests (Unit/Integration/E2E).
• Previous work with high-load systems.
• Strong understanding and application of OOP, SOLID, DRY, KISS principles.

What We Offer

• Competitive salary based on experience and skills.
• Flexible working schedule (remote/hybrid).
• 17 paid vacation days and 14 paid sick leave.
• Mentorship and clear career growth.
• Access to courses, certifications, and conferences.
• Collaborative team and knowledge-sharing environment.
• International projects with modern tech stack.