Jr. Full-Stack Developer (m/f/d)

Welcome to the company – Your Partner for the Cyber Security of Tomorrow!The digital world is growing – and with it, the threat of cyberattacks.

Every successful attack not only jeopardizes businesses but also undermines trust in our connected society.

At the company, we are committed to making the digital world safer – proactively, sustainably, and with cutting-edge technology.

Our mission: to protect companies from cyber threats before they arise, contributing to a more secure digital future.

Shape the digital security of tomorrow with us.

Join a team that doesn’t just watch but actively protects.

Your ideas and commitment can make all the difference.

If that’s not enough, here’s what we offer

• Flexible

Working: With your Mac Book, you can work up to two days per week from home and also have the opportunity to work in our modern offices in Berlin (or Cologne, when you’re traveling).

• Attractive Compensation: Competitive salary and VSOP options.
• Growth & Career: Grow with us – in a dynamic company with clear advancement opportunities.
• and many more benefits.

the company – Growing together. Making the digital world safer, together.

Your Tasks

Develop full-stack features using React, Node. js (Nest JS), and AI-augmented development workflows.

• Practice Spec-Driven Development—translating business requirements, API specifications, and prompt contexts into clean, working code.
• Leverage AI tools (e. g., Git Hub Copilot, Cursor, Claude Code) to rapidly prototype, write boilerplate, and write test suites.
• Practice Spec-Driven Development (SDD) to guide feature implementation and automated test generation.
• Work closely with cross-functional team members (designers, product managers, senior engineers) in an agile environment.
• Assist in building API integrations and maintaining backend/frontend system components.
• Triage and debug issues in production using AI-assisted debugging and monitoring tools.
• Participate in code reviews to ensure code generated manually or via AI meets security, performance, and style standards.

Your Profile

• Minimum Requirements
• 1-3 years of experience with full-stack development using Type Script, React, and Node. js (Nest JS preferred).
• Hands-on experience incorporating AI coding tools (e. g., Git Hub Copilot, Cursor, Claude) into your daily workflow to boost productivity.
• Solid understanding of RESTful APIs, modern CSS (Tailwind/CSS-in-JS), and asynchronous data handling.
• Strong critical thinking skills - able to evaluate, validate, and refactor AI-generated code rather than taking output at face value.
• Languages
• English: business fluent required
• German: is a plus
• This will set you apart from other candidates
• Familiarity with Spec-Driven Development methodology and relevant frameworks/tooling (e. g., Open Spec, Superpowers, or others).
• Familiarity with automated testing frameworks (e. g., Jest, Playwright) and using AI to expand test coverage.
• Basic knowledge of containerization tools (e. g., Docker) and CI/CD concepts.

Why us?

Flexible work options - work from home for up to two days a week and join us in the office for the remaining two days in Berlin

• 28 Vacation Days - plus Christmas Eve & New Year’s Eve
• Competitive Compensation - Attractive salary & equity options
• Financial Support- subsidized Germany ticket and Wellpass membership, company pension support and corporate benefit access
• Continuous Learning - Support for your professional growth and development, both internally and through access to the Udemy Business platform
• Team & Social Events - Regular team events to get the entire team together from across Germany
• Challenging & Supportive Culture - Work with motivated colleagues in an environment where you can grow, achieve, and enjoy the journey
• Long-Term Growth - A stable career path in a fast-growing company
• Welcoming Team - A people-first culture where joy at work and future prospects come first

Our Values

• Customer First: Our customers and partners always come first.
• Embrace Speed: Fast decisions and pragmatic solutions.
• Data Over Gut Feeling: We make data-driven decisions.
• Take Ownership: You get involved, no matter your position.
• Continuous Learning: We challenge ourselves and grow together.
• Open Culture: We have no rigid hierarchies. We communicate openly, directly, and at eye level.

Diversity welcome!

What matters to us is who you are and what you want to contribute – not your origin, gender, skin color, religion or beliefs, sexual orientation, gender identity, age, or whether you live with or without a disability.

We believe in the strength of diverse teams and create an environment where everyone feels welcome and respected.

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