Senior Software Engineer

• Take involvement and ownership of all aspects of product development, from ideation through architecture to implementation, testing, and continuous deployment.
• Work closely with developers, product managers, and other stakeholders to ensure smooth integration and timely delivery of features.
• Lead the design and implementation of RESTful APIs to enable seamless integration with various internal and external systems.
• Optimize application performance to ensure low latency, high availability, and reliability.
• Participate in design and code reviews and ensure adherence to coding standards and best practices.
• Conduct thorough testing of backend components, write automated tests, and ensure high code quality and reliability.
• Identify and address bottlenecks, bugs, and performance issues within the backend infrastructure.
• Stay up-to-date with industry trends, emerging technologies, and best practices to continually improve the development process.
• Contribute to the overall technical strategy and architecture of the product.
• Drive engineering excellence across the team, setting the standard for code quality, testing, scalability, and security.

• 5+ years of professional experience in software development with strong expertise in Node.js, React, and TypeScript.
• Strong hands-on coding skills with a passion for building scalable, reliable, and maintainable systems.
• Solid understanding of software architecture, design patterns, and modern development practices (Agile, CI/CD, DevOps).
• Experience with RESTful API design and development.
• Strong problem-solving skills and excellent communication abilities.
• Comfortable in a fast-paced, dynamic environment where priorities can shift quickly.

Nice to Have

• Experience in fintech, payments, or financial services.
• Familiarity with cloud platforms such as AWS, Azure, or GCP.
• Experience working with microservices or event-driven architectures.

We are a fintech company building the payments infrastructure powering global B2B commerce. As we continue to grow, we are looking for a Senior Engineer to be begin our First Team in Poland and play a key role in shaping the future of our technology and products.