workidentity GmbH

Lead/Senior Fullstack Engineer – React/Next.js

workidentity GmbH

full-time

Posted on:

Location Type: Remote

Location: Remote • 🇩🇪 Germany

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Salary

💰 €80,000 - €130,000 per year

Job Level

Senior

Tech Stack

GraphQLJavaScriptMongoDBMySQLNext.jsNode.jsNoSQLReactSQLTypeScript

About the role

  • Design and evolve distributed fullstack architectures using React/Next.js + Node.js
  • Shape API models (REST, GraphQL), data flows, and integration logic
  • Drive the technical vision for scalability, reliability, and maintainability
  • Build highly performant user interfaces with React, Next.js, HTML, CSS, JS
  • Develop backend services, APIs, integrations, and complex logic in Node.js
  • Implement advanced rendering (SSR/SSG/ISR, Server Components)
  • Engineer systems for low latency, global distribution, and resilience
  • Mentor other engineers and lead discussions

Requirements

  • Deep expertise in React, Next.js, Node.js, TypeScript
  • Strong fundamentals in JavaScript, CSS, HTML and UI/UX best practices
  • Strong experience with REST & GraphQL API design
  • Experience with PWAs and/or native apps
  • Solid understanding of SQL/NoSQL systems: MySQL, MongoDB, InfluxDB
  • Understanding of system design: patterns, trade-offs, complexity
  • Thrive in fast-scaling environments
  • Learn fast, build fast, think ahead.
  • High performance with clarity, structure, and direction.
Benefits
  • Equity Included
  • A technically ambitious environment that pushes you to your highest level
  • A team of exceptional engineers, no average performers
  • A platform with huge growth potential and increasing complexity
  • Real ownership through equity participation
  • Hamburg HQ or fully remote (EU)
  • A culture defined by intensity, trust, curiosity and momentum
  • This is a place for high performers who want impact, autonomy, mastery and scale.

Applicant Tracking System Keywords

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

Hard skills
ReactNext.jsNode.jsTypeScriptJavaScriptCSSHTMLREST APIGraphQLSQL
Soft skills
mentoringleadershipcommunicationproblem-solvingadaptabilityfast learningscalability thinkingclaritystructuredirection