Senior Product Manager - Self-Service & Onboarding

HEADLINE: Job Title: Senior Product Manager, Self-Service & Onboarding Reporting to: Head of Product Location: London - Hybrid-Working: 3 days in office, 2 days from home ABOUT THE ROLE: APEXX is pioneering payment orchestration, transforming the global payments landscape with cutting-edge technology and innovation. As a leader in Fintech, we're committed to excellence, driving forward-thinking solutions that empower businesses worldwide. We are looking for a Product Manager to own APEXX's Self-Service & Onboarding domain. You will define and execute the product strategy that enables customers to onboard, configure, manage, and optimise their use of APEXX services independently, creating a scalable self-service experience that gives customers greater control and accelerates time-to-value. This is a highly cross-functional role working across Product, Engineering, Design, Commercial, Customer Success, and Compliance to create scalable digital experiences that improve customer satisfaction and business efficiency. You will own the end-to-end onboarding journey - from account creation and KYC/KYB orchestration to payment provider configuration, user management, and self-service administration - as part of a broader vision to give customers greater control over how they configure, manage, and optimise their use of the APEXX platform. WHAT YOU’LL DO: Own the vision, strategy, and roadmap for APEXX's self-service capabilities and Customer Portal, starting with the end-to-end merchant onboarding experience and progressively expanding customer control across the platform. Evolve the APEXX Customer Portal into a high-performing, intuitive, and flexible platform that enables customers to understand their payments through actionable data-driven insights and recommendations, and take meaningful actions directly within the platform. Design and deliver scalable self-service capabilities spanning merchant onboarding, account and user administration, API credential management, payment provider configuration, routing rules, and wider platform configuration. Drive Product-Led Growth initiatives that increase adoption of APEXX capabilities, enable customers to expand their use of the platform, and unlock new commercial and market opportunities. Use customer research, product analytics, and experimentation to understand complex enterprise needs, identify opportunities, prioritise roadmap investments, and measure customer and business outcomes. Partner closely with Engineering, Design, Commercial, Customer Success, Compliance, and Operations to translate customer needs and product strategy into secure, scalable, performant, and intuitive experiences. Identify opportunities to leverage AI to simplify complex workflows, automate repetitive processes, surface actionable insights and recommendations, and provide intelligent in-product guidance. ABOUT YOU: Proven track record in Product Management within SaaS, platform, fintech, or similarly complex digital products, with end-to-end ownership from discovery and strategy through delivery and measurable outcomes. Experience owning and delivering sophisticated customer-facing portals, self-service capabilities, onboarding journeys, or platform configuration products, ideally within complex enterprise environments. Strong product and systems thinking, with the ability to turn complex customer and operational workflows into intuitive, scalable, and reusable product capabilities. Strong understanding of Product-Led Growth, with experience using product capabilities and customer experience to drive adoption, expansion, and commercial growth. Strong analytical and data-driven approach, with experience using customer research, product analytics, and experimentation to inform decisions, prioritise effectively, and measure outcomes. Strong product judgement and commercial awareness, with the ability to balance customer needs, business outcomes, technical constraints, and long-term platform scalability when makin…