ZONE IV · EXPERIENCE DUNGEON

BOSS FIGHTS & QUESTS

Selected roles and achievements showcasing leadership, growth alignment, and platform ownership.

  • Leadership
  • Impact
  • Scale

BOSS BATTLES

  1. Product Tech Lead
    @ Instaffo GmbH
    Jan 2023 — Present
    • •Owned platform with SEO-first architecture for high-traffic job search.
    • •Implemented AI-powered job search with advanced SEO, structured data, and dynamic catalog generation.
    • •Led multiposting growth strategy across 8+ platforms, achieving >1000 weekly signups target.
    • •Built most profitable acquisition channel through streamlined signup flows and analytics-driven integrations.
    • •Established Frontend Center of Excellence (CoE) to ensure cross-team alignment on frontend technology.
    • •Mentored engineers and facilitated alignment across product teams.

    Key Impact

    Weekly signups>1000 target (multiposting growth)
    Acquisition ROIMost profitable channel
    CWVLCP and TTFB improved via SSR tuning
    Indexed pages+↑ via structured data
    Conversion+↑ from streamlined flow
  2. Senior Frontend Engineer
    @ Instaffo GmbH
    May 2021 — Jan 2023
    • •Optimized large-scale React apps for rendering performance and state isolation.
    • •Shipped experimentation frameworks and SEO optimizations for acquisition and conversion.
    • •Led frontend architecture decisions and mentored junior developers.
    • •Implemented performance monitoring and optimization strategies.
    • •Built and modernized design system library
    • •Collaborated with product teams to translate business requirements into technical solutions.
  3. User Experience Engineer
    @ Accenture
    Feb 2018 — May 2021
    • •Developed responsive web applications using modern JavaScript frameworks.
    • •Collaborated with designers to implement pixel-perfect UI components.
    • •Optimized website performance and user experience.
    • •Participated in code reviews and contributed to team best practices.
    • •Worked on client projects delivering high-quality user experiences.
  4. Frontend Developer
    @ dgroup GmbH
    2017 — Feb 2018
    • •Developed responsive web applications using modern JavaScript frameworks.
    • •Collaborated with designers to implement pixel-perfect UI components.
    • •Optimized website performance and user experience.
    • •Participated in code reviews and contributed to team best practices.

QUEST LOG

AI-powered Job Search Platform

Product Tech Lead

Built an AI-assisted job search platform with advanced SEO, structured data, semantic linking, and dynamic catalog generation.

Key Achievements

  • ✓SSR-first rendering and structured data for deep indexing
  • ✓Dynamic sitemaps and job preview summaries
  • ✓Performance-focused rendering with tuned TTFB/LCP
  • ✓AI-powered job matching and recommendations
  • ✓Advanced analytics and tracking pipelines

Metrics

Indexed pages+↑ via structured data
TTFB/LCPImproved
User engagement+↑ with AI recommendations

Multiposting & Job Distribution

Product Tech Lead

Built a multiposting platform distributing jobs across 8+ channels with intelligent rotation and funnel optimization for maximum signups and applications.

Key Achievements

  • ✓Created profitable acquisition channel achieving >1000 weekly signups
  • ✓Implemented intelligent job rotation logic
  • ✓Integrated cost tracking and analytics with automated reporting
  • ✓Optimized signup funnels with >70% conversion

Metrics

Acquisition ROIMost profitable channel
Weekly signups>1000 achieved
Wizard CVR>70% conversion
CAC<10€ per signup
90D ROI>3x revenue multiple

Modern Design System

Product Tech Lead

Built and maintained a comprehensive design system with TypeScript, Tailwind, and Storybook.

Key Achievements

  • ✓Consistent UI components across apps
  • ✓Improved developer productivity
  • ✓Better accessibility and UX
  • ✓Reduced design debt

Legacy Monolith Decoupling

Product Tech Lead

Decoupled a critical frontend from a Scala monolith without disrupting revenue, implementing modern architecture patterns.

Key Achievements

  • ✓Strangler fig routing with edge rewrites for gradual migration
  • ✓Isolated legacy features behind typed boundaries
  • ✓Gradual RSC adoption with test coverage gates
  • ✓Migration roadmap with rollback and risk mitigation
  • ✓Maintained system stability throughout the decoupling process

Metrics

Migration successZero revenue disruption
System stability100% uptime
Code qualityImproved maintainability