Customer Success Engineer, UK (remote)

About the Role We’re hiring a Customer Success Engineer to support and expand some of our most strategic enterprise customers. This role is deeply technical and hands-on — you will serve as the engineering-adjacent partner responsible for ensuring customers successfully integrate with and scale on Nash’s platform. From solution design to deployment to ongoing optimization, you’ll guide customer teams through every stage of their technical journey. As part of the Customer Success organization, you will combine systems expertise, analytical problem-solving, and customer partnership to deliver measurable outcomes. You will help customers architect workflows, debug integration issues, improve performance, and use Nash to its fullest potential. You are the technical backbone of the account — the person customers trust to get it right. RESPONSIBILITIES - Serve as the technical owner for enterprise customer accounts — accountable for integration success, system performance, and technical adoption. - Work closely with customer engineers and product teams to design, implement, and scale solutions on Nash’s platform. - Become a platform expert capable of diagnosing issues, advising on best practices, and guiding architectural decisions. - Troubleshoot API issues, workflow failures, data mismatches, and other system-level challenges across customer and Nash environments. - Analyze operat...