Senior Backend Engineer, Core APIs

Senior Backend Engineer, Core APIs

We are seeking an experienced Senior Software Engineer to be part of the development of end-to-end fraud detection solutions for our API team. Your primary responsibility will be building highly performant backend systems and infrastructure that handle large-scale real-time data processing.

This role requires strong experience and skills in backend software development, particularly focused on API development and scaling existing systems in both Go and Node.js. You will design and implement scalable, high-performance backend systems, ensuring smooth integration with other components. You'll take ownership of features from concept to final deployment, working closely with cross-functional teams to deliver reliable and robust solutions.

A key aspect of this role involves a deep understanding of scaling distributed systems thereby allowing us to multiply our capacity safely and efficiently as our user base continues to grow rapidly.

What you’ll do:

• Design, develop, and optimize backend systems for real-time data processing and web services.
• Work with cross-functional teams to integrate backend components with other services, ensuring performance and scalability.
• Conduct deep dives into problematic features, researching and analyzing their behavior to understand root causes and identify potential solutions. Develop hypotheses, run experiments, analyze results, and translate findings into actionable engineering improvements.
• Conduct performance tuning, debugging, and testing of backend systems to ensure reliability and efficiency.
• Foster a data-driven culture by sharing engineering best practices and collaborating on cross-team projects.