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

Einleitung For Engineers who operate at the highest level

• React / Next.js / Node.js / TypeScript / Cloud Architecture Hamburg | Equity Included
• Most engineering roles want “good developers”.This one does not.
• 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.
• If you’re one of the few who genuinely stand out, you’ll feel at home here.
• What Makes This Role Unique
• •You’ll work in the core engineering group that pushes the platform to its next scale level.
• •Your architectural decisions will have immediate product and business impact.
• •You’ll solve challenges without templates, problems no one has solved yet.
• •You get real equity, because people at this level shape the company’s trajectory.

• This is not for developers who want comfort.This is for those who want challenge, autonomy, and mastery.
• Deine Aufgaben Architecture & System Engineering
• •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

• Dein ProfilWho You Are (Top-Tier Only)
• 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.

• BenefitsWhat Awaits You
• •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

• This is a place for high performers who want impact, autonomy, mastery and scale.
• ----------------------------------------
• About the Team You’ll join a multidisciplinary engineering group that values depth, precision, and long-term thinking.
• Flat hierarchy, strong collaboration, high speed.A team where passion, excellence, and ambition are non-negotiable.
• People here don’t just develop,They build what others can’t.
• ----------------------------------------
• If you are a top-tier Fullstack Engineer, you’ll know it. And if you are, this opportunity will speak to you immediately.Reach out and I’ll walk you through the real challenges, vision, and expectations, confidentially.

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