Salary: up to £70,000 (£90k-£100k OTE (Base Bonus RSUs) Work Setup: Hybrid (3 days in-office) Location: Central London (Farringdon) About the Company Our client is a Nasdaq-listed software company and the global leader in direct-to-consumer cross-border e-commerce enablement. Since launching in 2013, they have grown rapidly and now support hundreds of global brandsincluding Hugo Boss, Marc Jacobs, Etam, M&S, Versace, and othersin scaling their international digital commerce operations. With offices across multiple continents, their platform powers global growth through localization, compliance, logistics, payments, and more. The Opportunity As a Post-Sales Solutions Engineer, you will play a key role in delivering a seamless onboarding experience for global retail clients. You will work closely with customers, integration teams, and internal stakeholders to ensure technical alignment and successful deployment of the platform. This is a client-facing, delivery-focused role that involves guiding customers through onboarding and configuration, answering technical questions, and supporting their integration with third-party systems such as eCommerce platforms, ERPs, and logistics providers. You will not be writing code, but you must have a strong understanding of APIs, webhooks, and system architecture to succeed in this position. Responsibilities Support new clients post-contract through onboarding, configuration, and technical implementation Serve as the technical point of contact for customers during post-sales engagement Provide best practice guidance on integration, API usage, and platform configuration Work closely with Product, Engineering, and Customer Success teams to resolve issues and improve integration efficiency Translate customer requirements into actionable technical tasks and ensure alignment with platform capabilities Help triage and troubleshoot technical issues in partnership with support and development teams Document integration use cases, customer feedback, and support trends to inform product improvements Requirements 3 years in a technical, client-facing role within a SaaS or software environment (e.g., Solutions Engineering, Technical Onboarding, Implementation) Strong understanding of APIs, data flows, and system integrations Experience working with external clients in a post-sales or delivery capacity Ability to communicate technical concepts clearly to both technical and non-technical audiences Comfortable managing multiple client projects simultaneously Bachelors or Masters degree in Computer Science or related technical field preferred Nice to Have Experience with eCommerce platforms (e.g., Shopify, Magento, Salesforce Commerce Cloud) Familiarity with payment gateways, logistics platforms, or ERP integrations Fluency in French or additional languages is a plus Additional Information Candidates must have existing right to work in the UK, as visa sponsorship is not available The company values diversity and is proud to be an equal opportunity employer