> Markdown version of [/jobs/ext/1374595-tech-lead-fullstack-engineer-react-js-next-js-node-js](https://www.wearedevelopers.com/jobs/ext/1374595-tech-lead-fullstack-engineer-react-js-next-js-node-js). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

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# Tech Lead Fullstack Engineer: React.js / Next.js / Node.js

- **Company:** workidentity GmbH
- **Location:** Hamburg, Germany
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** HTML, JavaScript (Programming Language), Application Programming Interfaces (APIs), Cascading Style Sheets (CSS), Mobile Application Development, Global Distribution Systems, MongoDB, MySQL, Node.Js, NoSQL, Next.js, SQL Databases, Data Streaming, Systems Integration, TypeScript, ReactJS, Caching, Backend, Low Latency, Influxdb, Build Tools, Graphql, Api Design
- **Published:** July 22, 2026
- **Apply:** https://www.adzuna.de/details/5727140804

## About the Role

This role is for people who build systems others consider impossible. For engineers who see patterns in complexity, who design clean architectures under pressure, who question defaults and then outperform them.

A hyper-scaling tech company with a category-defining platform is searching for a rare kind of Fullstack Engineer: someone who combines deep technical mastery with architectural intuition, rapid execution, and the ability to think far beyond feature boundaries., You don't just "know" the stack, you command it:

 * 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
 * You understand system design: patterns, trade-offs, complexity
 * You thrive in fast-scaling environments
 * You learn fast. You build fast. You think ahead.

And above all:

You operate at a level where others come to you for clarity, structure, and direction., * 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
 * A culture defined by intensity, trust, curiosity and momentum

## Description

* 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 long-term maintainability

Fullstack Engineering Excellence

 * 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)
 * Build PWAs and contribute to native application features where relevant

Performance, Observability & Scale

 * Engineer systems for low latency, global distribution, and resilience
 * Lead caching, data modeling, and optimization strategies
 * Ensure observability and robustness in mission-critical flows

Influence & Leadership

 * Mentor other engineers, lead discussions, challenge assumptions
 * Define engineering principles, coding standards, and architectural guardrails
 * Collaborate closely with Product, Design, R&D, and Platform Engineering


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