Integration Engineer

About Payoneer Founded in 2005, Payoneer is the global financial platform that removes friction from doing business across borders, with a mission to connect the world’s underserved businesses to a rising global economy. We’re a community with over 2,500 colleagues all over the world, working to serve customers, and partners in over 190 countries and territories. By taking the complexity out of the financial workflows–including everything from global payments and compliance to multi-currency and workforce management, to providing working capital and business intelligence–we give businesses the tools they need to work efficiently worldwide and grow with confidence. We are seeking a highly skilled Integration Engineer to join our Global Technology Integration team in China. This role bridges the gap between our clients and internal technical teams, ensuring successful integration and adoption of Payoneer’s APIs and services. You’ll support pre-sales efforts, lead integration projects, provide ongoing technical guidance, and serve as the API subject matter expert throughout the client lifecycle. Full time | On-site | Shanghai What you’ll do • Serve as a key technical contact for client API integrations, migrations, and certifications • Deliver integration demos and solution walkthroughs to internal and external stakeholders • Guide clients through sandbox onboarding, testing, and production rollout • Own and manage technical documentation, including integration guides, use cases, and best practices • Collaborate with product, R&D, and regional teams to define integration flows and tailor solutions • Ensure alignment with Payoneer’s API guidelines, contract structure, and technical standards • Perform integration testing and sign-off certification to validate production readiness • Manage monitoring and troubleshooting of API and webhook issues using platforms like Coralogix, Grafana, Anodot, and Dynatrace • Support client communication regarding API updates, maintenance, and announcements • Drive continuous improvements, process optimization, and feedback loops for integration quality Who you are • Bachelor’s degree in Computer Science, Engineering, or equivalent experience • 3+ years in integration engineering, pre-sales, or technical consulting roles • Strong command of API concepts (REST, HTTP, JSON, XML) and integration lifecycle • Experience with SQL and data analysis tools • Excellent problem-solving, troubleshooting, and debugging skills • Knowledge of different authentications, authorizations and client certificates • Knowledge of monitoring and alert software • Strong organizational and multitasking ability in fast-paced environments • Fluent in English and Mandarin (verbal and written); additional languages are a plus • Customer-focused, with a proactive and collaborative mindset • Knowledge of IT/network infrastructure and authentication mechanisms • Familiarity with Postman, Swagger, and developer portal ecosystems Nice to Have • Experience in Payments, Fintech, or E-commerce industry • Background in account management or client-facing roles • Hands-on with scripting languages (Python, PHP) or HTML • Knowledge of API rate limiting, certification processes, and webhooks • Experience in writing technical documentation and client-facing guides • Knowledge of AI and Vibe coding This is what we value • A humble, empathetic team player who elevates others • Passion for customer success and delivering seamless experiences • Drive for excellence, ownership, and innovation • Eagerness to learn and continuously improve • Someone who thrives in a collaborative, fast-paced global environment The Payoneer Ways of Working Act as our customer’s partner on the inside Learning what they need and creating what will help them go further. Do it. Own it. Being fearlessly accountable in everything we do. Continuously improve Always striving for a higher standard than our last. Build each other up Helping each other grow, as professionals and people. If this sounds like a business, a community, and a mission you want to be part of, apply today. We are committed to providing a diverse and inclusive workplace. Payoneer is an equal opportunity employer, and all qualified applicants will receive consideration for employment no matter your race, color, ancestry, religion, sex, sexual orientation, gender identity, national origin, age, disability status, protected veteran status, or any other characteristic protected by law. If you require reasonable accommodation at any stage of the hiring process, please speak to the recruiter managing the role for any adjustments. Decisions about requests for reasonable accommodation are made on a case-by-case basis.