Back End Developer

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.