Senior Customer Integration Specialist

At Personio, integrations are the backbone of how our customers automate, scale, and unlock value from their HR data. As a Senior Customer Integration Specialist, you'll design and deliver the technical connections that make Personio the central system of record for 15,000+ customers, from automating payroll to syncing HR data across their tech stack. You'll sit at the intersection of technology, consulting, and innovation, helping customers realize value faster by integrating Personio with their ecosystem. You'll also play a key role in evolving our integration frameworks, tools, and reusable assets, working closely with Product, Engineering, and Customer Success to drive impact at scale. This is a role for someone who's technically curious, customer-obsessed, and excited to shape the future of automation and AI-driven integration at one of Europe's fastest-growing SaaS scale-ups. Role Responsibilities: What you'll do Customer Impact Partner with customers and internal teams to scope, design, and deliver seamless integrations between Personio and external systems (HRIS, payroll, identity, and productivity tools) Build and troubleshoot API and SSO configurations, leveraging REST, GraphQL, and webhook frameworks. Use automation platforms and AI-powered tools to accelerate implementation and reduce manual effort. Translate technical requirements into simple, actionable solutions that deliver measurable customer outcomes and time-to-value improvements. Act as a trusted technical advisor, guiding customers on integration strategy, scalability, and best practices for secure data flow.

Technical Leadership Develop and maintain reusable integration templates, SDKs, and connectors that accelerate delivery and improve consistency. Collaborate with Product and Engineering to identify integration trends, influence roadmap priorities, and improve platform capabilities. Design and run internal enablement sessions on APIs, security protocols (SAML, SCIM, OAuth), and automation frameworks. Lead initiatives to enhance delivery efficiency, from AI-assisted data mapping to automated monitoring of integration health. Contribute to documentation, tooling, and knowledge-sharing that elevate the technical maturity of the Integration Services team.

Do you have experience in XML?, 6+ years' experience in SaaS implementation, integration consulting, or technical customer success, ideally in high-growth, multi-product environments. Strong understanding of API ecosystems (REST, GraphQL, webhooks), data structures (JSON, XML), and cloud-based web architecture. Working knowledge of at least one server-side programming language (Python, Java, Node.js, Go, etc.) with a passion for learning and applying new technologies. Familiarity with iPaaS and automation platforms (Workato, Zapier, Make, etc.) and cloud environments (AWS, GCP, or Azure). Understanding of identity management standards (SSO, SAML, SCIM, OAuth) and data exchange protocols common in HR tech. Curiosity for AI and automation, from using AI tools for data mapping and testing to identifying new ways to accelerate onboarding. Exceptional communication skills, able to simplify technical detail for business audiences and build trust across teams and customers in English and German. A growth mindset: resilient, adaptable, and motivated to continuously improve how we deliver value.