Locations : Remote, United Kingdom Responsibilities Design, develop, test and ship high-quality technical solutions that scale across multiple GitHub services Collaborate with cross-functional teams to define and implement innovative solutions Provide technical leadership, mentorship, pairing opportunities, and code reviews to encourage the growth of others Own and advocate for the health and quality of the systems that the team builds, including participating in on-call and first responder rotations Write architecture briefs and proposals, carry out code experiments, and build prototypes to learn how we can achieve planetary scale with our systems Design and implement GraphQL APIs and REST endpoints that serve as building blocks for product teams to build new features Maintain and extend Ruby on Rails applications and Go services Drive improvements to service reliability through instrumentation, monitoring, and SLO management Lead discussions for technical solutions within the team...