Senior Backend Engineer

About the Role

We’re looking for a Senior Backend Engineer with deep expertise in Golang, and experience in Ruby, to help us build and scale reliable, high-performance backend systems. As a key member of our engineering team, you’ll contribute to the architecture, development, and operations of mission-critical services that support our platform. You’ll be part of a collaborative environment where clean code, solid engineering practices, and strong computer science fundamentals are deeply valued. You’ll be be building an open financial system that brings the world together.

Responsibilities:

• Design, build, and maintain scalable backend services and APIs using Golang
• Ruby or Ruby on Rails experience is a plus.
• Contribute to the architecture and evolution of our service-oriented / microservices backend.
• Write clean, testable, and efficient code with a strong emphasis on quality.
• Collaborate with product managers, frontend engineers, and other stakeholders to deliver high-impact features.
• Improve performance, monitoring, and observability of backend services.
• Participate in design discussions, code reviews, and technical planning.
• Troubleshoot and resolve production issues with a focus on reliability and root-cause analysis.

Qualifications:

• 5+ years of software engineering experience, preferably in high-scale backend systems.
• Strong proficiency in Golang is required with Ruby or Ruby on Rails experience .
• Solid foundation in computer science fundamentals — algorithms, data structures, and system design.
• Proven experience building and scaling distributed systems, APIs, or backend platforms in a production environment.
• Familiarity with DevOps practices, monitoring tools, and cloud infrastructure (e.G., AWS, GCP, Docker, Kubernetes) is a bonus.
• Comfortable working in a fast-paced, agile environment with a collaborative mindset.
• Strong problem-solving skills and a passion for building high-quality software.