peopleIX

Full-Stack Engineer – Workflow Automation Platform

peopleIX

full-time

Posted on:

Location Type: Hybrid

Location: Cologne • 🇩🇪 Germany

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Salary

💰 €65,000 - €80,000 per year

Job Level

Mid-LevelSenior

Tech Stack

JavaScriptNext.jsNode.jsPostgresReactSQLTypeScript

About the role

  • 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
  • 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
  • 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

  • 3+ years of proven excellence in 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
  • 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

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
ReactTypeScriptNode.jsSQLPostgreSQLAPI developmenttRPCPrismaNext.jsTailwind CSS
Soft skills
ownership mindsetautonomyresponsibilitycollaborationhigh-velocity workcustomer feedback iterationinfluenceaccountabilityteam dynamicstechnical standards