Senior Back End Engineer (Ruby on Rails & GO)

We are seeking an experienced Senior Software Engineer fluent in both Ruby on Rails and Go to join our Back Office team. Back Office is the internal operational platform used by Game Ops, Trading, Member Operations, and Risk teams to configure projections, trade lines, manage members, review risk, and monitor live scoring. In this role, you will design and build backend services across our Rails monolith and growing ecosystem of Go microservices, drive the migration toward microservices, own end

5–8 years of professional software engineering experience with meaningful production time in both Ruby on Rails and Go. Proven track record of owning and delivering complex, multi-component features in a team environment. Experience with monolith-to-microservices migrations, dual-write patterns, and backward compatibility. Strong proficiency in Rails, Go, PostgreSQL, API design (REST/gRPC), asynchronous workflows (Sidekiq, message queues, event streaming), containerization (Docker), orchestrat