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workidentity GmbH
last mo.

Lead- / Senior Fullstack Engineer: React / Next.js(m/w/x)

Hamburg
Full-timeRemoteSenior

Description

In this role, you will tackle complex challenges by designing full-stack architectures and building high-performance user interfaces. Your day-to-day responsibilities will include mentoring fellow engineers, shaping API models, and driving the technical vision for scalable and reliable systems.

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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
  • •Thriving in fast-scaling environments
  • •Fast learning and building skills
  • •Ability to provide clarity, structure, and direction

Work Experience

7 - 10 years

Tasks

  • •Design and evolve distributed fullstack architectures using React/Next.js and Node.js
  • •Shape API models including REST and GraphQL
  • •Drive the technical vision for scalability and reliability
  • •Build highly performant user interfaces with React, Next.js, HTML, CSS, and JavaScript
  • •Develop backend services, APIs, and complex logic in Node.js
  • •Implement advanced rendering techniques such as SSR, SSG, ISR, and Server Components
  • •Build Progressive Web Apps (PWAs) and contribute to native application features
  • •Engineer systems for low latency and global distribution
  • •Lead caching, data modeling, and optimization strategies
  • •Ensure observability and robustness in mission-critical flows
  • •Mentor other engineers and lead technical discussions
  • •Define engineering principles and coding standards
  • •Collaborate closely with Product, Design, R&D, and Platform Engineering

Tools & Technologies

ReactNext.jsNode.jsTypeScriptJavaScriptCSSHTMLRESTGraphQLMySQLMongoDBInfluxDB

Languages

English – Business Fluent

Benefits

Other Benefits

  • •Equity included
  • •Technically ambitious environment
  • •Diversity promotion

Competitive Pay

  • •Real ownership through equity participation

Startup Environment

  • •Team of exceptional engineers
  • •Culture defined by intensity
  • •Trust, curiosity, and momentum
  • •Strong collaboration

Career Advancement

  • •Huge growth potential

Informal Culture

  • •High performers culture
  • •Flat hierarchy

Job Security

  • •Long-term perspective
Find the original job posting in its most current version here. Nejo automatically captured this job from the website of workidentity GmbH and processed the information on Nejo with the help of AI for you. Despite careful analysis, some information may be incomplete or inaccurate. Please always verify all details in the original posting! Content and copyrights of the original posting belong to the advertising company.
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