Staff Engineer

Job description

Do you love untangling messy systems, shipping real improvements, and setting a higher engineering bar?
Join meinUnterricht, Germany's leading platform for teachers, as a Staff Engineer.

You'll own the architecture of the core systems that run our business and decide how a decade of accumulated complexity gets simplified. We want a hands\-on architect who questions the status quo and pushes our AI\-first engineering even further. Our Tech Stack

We believe in transparency. You will be working across both legacy and modern systems, with a strong mandate to help us consolidate and modernize over time.

Where we are going (the new stack): Monorepo architecture, APIs built with Hono, Prisma for DB migrations, Vitest, PostgreSQL, Stripe, and AWS CDK for infrastructure.

What we currently have: React, Redux, Node.js (Hapi), MongoDB (Mongoose), MySQL, Zuora, and AWS (EC2, ECS, CloudFront).#### What you'll do

• Drive System Architecture: Lead the technical direction for our core systems, including subscription infrastructure, cloud foundations, shared backend services, database architecture, and data pipelines.


• Modernize the Foundation: Identify what should be kept, replaced, merged, or removed across our legacy systems, and turn that into a pragmatic target architecture with an execution path.


• Technical Ownership: You stay deep in the code on the highest\-impact problems. You make the architecture decisions and the hard technical tradeoffs, and you set the bar others build to.


• Raise the Bar with AI: Model an AI\-first engineering culture by using tools like Claude Code, Codex, or similar across coding, migrations, infrastructure, and workflow automation.

You come with

• Broad Systems Depth: Strong backend (fluency in TypeScript/Node.js) and infrastructure experience across areas like databases, cloud services, queues, caching, networking, integrations, or pipelines. Not just one narrow specialty.


• Migration Experience: You have led or played a major role in moving production systems from old to new, and you understand the messy middle: dual\-running, rollout strategy, data integrity, and rollback planning.


• Product Sense: You think beyond the system to the user and the business. You balance long\-term architecture against the value that needs to ship now.


• Cloud \& Platform Experience: You're comfortable working in AWS\-heavy environments and have practical experience improving infrastructure, reliability, and developer workflows. IaC experience is a big plus.


• AI\-Native Mindset: You actively use AI tools in real engineering work and see them as a serious force multiplier, not a gimmick.

Why us?

• Meaningful Product: Build infrastructure behind a platform that helps tens of thousands of teachers prepare better lessons, faster.


• Real Ownership: You'll own a critical systems domain with direct impact on revenue, product velocity, and the technical future of the company.


• AI\-First Engineering Culture: We invest heavily in AI tooling (Claude Max Plan or equal) and expect engineers to use it deeply and practically in day\-to\-day work.


• Strong Berlin Setup: Work from our office at Potsdamer Platz with a hybrid setup that supports both focused execution and in\-person collaboration.


• Meaningful Benefits: A device of your choice, Deutschland Ticket or Urban Sports Club, work remotely from anywhere in the world for up to 10 days per year, Jobrad, and more.

Process

• Remote coding challenge


• Technical interview (video call)


• System design interview (preferably on site in our offices in Berlin)


• Technical leadership interview (preferably on site in our offices in Berlin)

About us

At meinUnterricht \- the leading digital platform for teachers \- we support teachers every day in their lesson planning.

meinUnterricht GmbH is a subsidiary of the Klett Group. We offer digital education solutions for teachers and schools. Our web\-based platform contains a wide range of resources such as specialist journals and learning videos. The aim is to simplify everyday teaching and improve academic performance. Innovation and sustainable growth are core corporate values for us.

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