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ZEZellerfeld

Fullstack Developer(m/w/x)

Hamburg
Full-timeOn-siteSenior

Developing software tools for foot scanning to consumer experience, refactoring code, and building new features. Senior-level full-stack engineering experience required. Flat hierarchy, voice heard, team bonding.

Requirements

  • Senior-level full-stack engineering experience
  • Strong React, TypeScript, and Next.js frontend skills
  • Strong Node.js fundamentals
  • Architectural judgment across the stack
  • Production operations experience
  • Performance and scalability work on systems with real load
  • Security awareness beyond basic auth
  • Comfort with ambiguity
  • Ability to drive technical direction independently
  • Laravel, Laravel Nova, and PHP backend stack experience
  • Tailwind CSS skills
  • Docker for development and deployment
  • Solid relational database work (MySQL)
  • Exposure to non-relational stores (MongoDB, InfluxDB) is a plus
  • Formal CS background, apprenticeship, or strong portfolio

Tasks

  • Work across product flow from foot scanning to consumer experience
  • Refactor existing software and build new tools
  • Develop and integrate REST and GraphQL APIs
  • Create responsive, polished frontends
  • Use Docker for development and deployment
  • Make architectural and product decisions
  • Collaborate with backend, frontend, design, and hardware teams
  • Raise quality standards for performance, testing, and code health
  • Own end-to-end product and platform flows
  • Drive stack-spanning architectural decisions
  • Operate and debug production systems
  • Improve system observability
  • Lead on performance and scalability
  • Ensure security across the stack
  • Balance shipping speed with sustainable systems
  • Explain technical tradeoffs to non-engineers
  • Collaborate with hardware engineers on production workflows
  • Work with operations on scanning and consumer flows
  • Mentor other engineers
  • Establish scalable team practices

Work Experience

  • approx. 4 - 6 years

Education

  • Vocational certificationOR
  • Bachelor's degree

Languages

  • EnglishBusiness Fluent

Tools & Technologies

  • React
  • TypeScript
  • Next.js
  • Node.js
  • Laravel
  • Laravel Nova
  • PHP
  • Tailwind CSS
  • Docker
  • MySQL
  • MongoDB
  • InfluxDB

Benefits

Informal Culture

  • Flat hierarchy

Purpose-Driven Work

  • Voice heard

Team Events

  • Team bonding
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