Full-Stack Engineer - Workflow Automation Platform (m/f/d)

Job description

Building the AI-First HR Automation Platform peopleIX is evolving from a people analytics platform into the data and automation engine for HR teams. We enable companies to orchestrate HR processes, connect fragmented systems, and automate high-impact workflows with agentic AI. Our Vision We're building the next-generation HR platform where workflow automation is the core product, powered by our unified people data layer. Think n8n meets HR – enabling teams to create powerful automations using natural language, without IT or data engineering. What Makes Us Different Our platform doesn't just show you what's happening – it acts. We're moving from "insight" to "insight → action," enabling HR teams to build and run workflows themselves: absence triggers, onboarding orchestration, leave management, and intelligent alerts powered by AI. Join Our Journey We're a fast-growing, VC-backed startup seeking exceptional engineers to help us become the AI-first people intelligence and automation platform that legacy HR systems cannot deliver. This is not a role for everyone – we're looking for top 1% talent who thrive on ownership, speed, and impact. Ready to shape the future of HR technology? Let's build something extraordinary together. Tasks Build the Workflow Automation Engine Architect and develop our core workflow automation platform Create HR-specific workflow templates: time-based triggers, analytical thresholds, event-driven processes (onboarding, offboarding, leave management), and webhook integrations Build our natural language workflow builder, enabling HR teams to create automations through plain text prompts Drive Full-Stack Platform Development Own complete features end-to-end, from database schema to API to polished UI – at peopleIX, full-stack means genuine ownership of the entire feature lifecycle Develop our scalable integration framework connecting Slack, Teams, email, and core HR systems (Personio, DATEV, SAP) Shape our People Data Platform: robust data modeling, custom fields, and data quality monitoring Integrate AI & Agentic Capabilities Extend our proprietary AI agent Tira with automation capabilities, moving from insights to autonomous actions Build intelligent triggers and AI-powered recommendations that drive real workflow execution Pioneer agentic experiences that redefine how HR teams interact with their data Collaborate at High Velocity Partner directly with our CTO and cross-functional teams to ship features rapidly Work closely with customers to iterate based on real-world feedback Take full accountability from concept through deployment and production monitoring Shape Our Engineering Culture Play a foundational role in defining our technical standards, team dynamics, and development practices Influence architecture decisions and product direction as we scale further Help build a world-class engineering organization from the ground up Requirements Qualifications We're looking for exceptional engineers only. If you know you're among the best at what you do, read on. Required (3+ years of proven excellence): Frontend: Expert-level React and TypeScript; you write clean, performant, maintainable code Backend: Deep experience building robust APIs with Node.js Database: Strong SQL skills (PostgreSQL preferred); you understand query optimization and data modeling Workflow & Integration Systems: Experience building or working with automation platforms, event-driven architectures, or integration frameworks Product Delivery: Demonstrated track record of shipping high-quality, user-facing features in production Ownership Mindset: You operate autonomously, move fast, and take full responsibility for outcomes in high-trust environments Strong Preference For: Experience with tRPC, Prisma, or similar type-safe APIs and ORMs T3 Stack experience (Next.js, Tailwind CSS, tRPC, Prisma) Building AI-powered or agentic product experiences Startup experience with demonstrated impact B2B SaaS product development Proficiency with AI-assisted development (Cursor, Copilot, or AI coding agents) Benefits Benefits Real equity, real upside – competitive compensation including meaningful stock options Maximum impact – flat hierarchies, genuine ownership, and direct influence on product direction from day one Modern setup – office in the heart of Cologne with flexible hours and hybrid work Growth investment – dedicated learning & development budget plus Urban Sports Club membership Team culture – regular offsites with a team that moves fast and builds together We're not hiring to fill a seat. We're looking for an exceptional engineer who will meaningfully accelerate our journey to becoming the AI-first HR automation platform. If you're among the best at what you do and excited by the challenge of building workflow infrastructure that transforms how HR teams operate – we'd love to hear from you.