Backend Developer-Technical Solutions Advisor

Description: About the Team and Role: Global Seller Development (GSD) is client's commercial organization focused on engaging and growing high‐potential partners and business sellers through a premium, end‐to‐end service from onboarding to long‐term growth. Within GSD, the Connectivity Strategy, Partnerships, & Operations team ensures strategic and enterprise sellers, third‐party partners, and client's Live sellers are technically set up for success across our tools, APIs, and programs. As a Technical Solutions Advisor, you will lead technical integrations for partners and enterprise merchants in the GSD pipeline. You will evaluate integration requirements, recommend best‐fit integration paths, and guide sellers and partners through implementation so their solutions align with client's technical standards and ecommerce best practices. This role works cross‐functionally with Business Development, Implementation, Account Management, Tools & Technology, Product teams, and client Live teams to deliver reliable launches and scalable technical foundations. The Technical Solutions Advisor reports into the Technical Solutions team within Connectivity Strategy, Partnerships, & Operations, part of Global Strategy, Operations & Technology (GSOT) in the Global Seller Development organization ​ Responsibilities: Lead complex technical discovery and solution design with partner and enterprise teams, defining the integration strategy and scope for new and existing integrations. Own end-to-end integrations for partners and sellers, coordinating cross-functional teams and managing risk, dependencies, and timelines from kickoff through launch. Serve as the primary technical liaison and escalation point, advising clients on architecture and implementation for APIs and ensuring integrations are robust and scalable. Standardize and maintain onboarding patterns, documentation, and validation approaches to ensure reliable, high-quality integrations and to scale best practices across the organization. Lead high-severity troubleshooting and root-cause analysis for integration issues, driving durable fixes and preventive improvements rather than one-off remediation. Drive cross-functional improvements to integration processes, tools, and frameworks, and measure their impact on speed, quality, and partner outcomes. Act as a recognized SME for connectivity topics, shaping integration standards, KPIs, and best practices, and leading business and technical reviews with senior leaders. Mentor and coach peers and junior team members on integration practices, tools, and stakeholder communication, contributing to the overall capability and maturity of the team. Lead the 3PP consulting program evaluating integration quality, identify key drivers of seller performance, and deliver data-driven recommendations that improved platform compliance, partner standards, and GMV outcomes. Required Qualifications: 7-10+ years of experience in Sales Engineering, Engagement Management, Implementation, Client Onboarding, or a related technical client-facing role, including leading complex, multi-stakeholder integration or deployment programs. Hands-on experience using GraphQL, SOAP/XML, and REST/JSON (or equivalent technologies) in real-world integration scenarios. Demonstrated program/project management skills, including managing multi-workstream initiatives, risk/issue management, and stakeholder communication across technical and non-technical teams. Strong understanding of protocols and web services Technical expertise in the design, development, coding, testing, and debugging of software with an emphasis on integration patterns, APIs, and data exchange. Proven experience in client relationship management, including influencing senior technical and business stakeholders, managing expectations, and navigating ambiguity to successful outcomes. Solid understanding of File Transfer Protocol (FTP) and related client software, and how these fit into hybrid integration architectures. Hands-on experience using Postman or similar API testing tools. Hands-on experience using Jira or similar ticketing systems to coordinate cross-team work and track delivery. Working knowledge of Salesforce or other CRM platforms, including how to track onboarding activities, pipeline, and health metrics. Exceptional ability to communicate with a wide range of internal and external stakeholders in technical, operational, and commercial roles, adjusting level of detail and framing to ensure understanding and alignment. Additional Skills: A strong passion for onboarding clients for long-term success, including working directly with clients, designing and optimizing processes, and advocating for improvements that benefit multiple partners and teams. Demonstrated ability to lead and deliver large, sophisticated system deployment and integration programs in a cross-functional team environment, balancing technical depth with business outcomes. Strong interpersonal skills and the ability to influence without direct authority, fostering collaboration and trust across teams and geographies. Deep alignment with client values: people, ethics, dedication, fun, and an engaging culture, and the ability to model these behaviors for others. Strong analytical and organizational skills, with the ability to structure ambiguous problems, prioritize competing demands, and make data-informed decisions. Proven ability to manage multiple complex programs simultaneously with high degrees of variation and uncertainty, maintaining clarity on priorities, risks, and stakeholder expectations.