Senior Fullstack Developer (m/w/d) - Cybersecurity

TN Germany; Berlin; Hybrid; EUR 60.000 - 100.000; Vollzeit

Zusammenfassung

Join a dynamic cybersecurity tech startup as a Senior Fullstack Developer, where you'll design and build cutting-edge cloud-native solutions. Collaborate in an agile team to create scalable and secure applications that protect digital infrastructures. This role offers a unique opportunity to influence product architecture and drive innovation while working closely with the CTO. Enjoy a flexible working environment, personal growth opportunities, and a culture that values diversity and inclusion. If you're passionate about fullstack development and cybersecurity, this is your chance to make a real impact.

Leistungen

Competitive Salary Package

Flexible Working Hours

Hybrid Setup

Personal Growth Opportunities

Close Collaboration with CTO

Startup Spirit with Purpose

Flat Hierarchies

Open Culture

Qualifikationen

• Strong background in frontend and backend development.
• Experience with cloud services and serverless architectures.

Aufgaben

• Design and build new features for a cloud-based security platform.
• Develop and integrate REST and GraphQL APIs.

Kenntnisse

Frontend Development (React, TypeScript)

Backend Development (Node.js, Python, Java)

Cloud Services (AWS, GCP, Azure)

Infrastructure as Code (Terraform)

API Development (REST, GraphQL)

Database Management (SQL, NoSQL)

Security Best Practices

Agile Methodologies

Tools

CI/CD Tools

Jobbeschreibung

Social network you want to login/join with:

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Client:

Location:

Berlin, Germany

Job Category:

Other

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EU work permit required:

Yes

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Job Reference:

c5dccf0164ca

Job Views:

3

Posted:

09.05.2025

Expiry Date:

23.06.2025

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Job Description:

On behalf of our client – a dynamic and fast-growing cybersecurity tech startup with approx. 50 employees – we are looking for a Senior Fullstack Developer (m/f/d) to join their agile product development team.

The company develops modern, cloud-native cybersecurity solutions that help businesses protect their digital infrastructure and remain secure in an increasingly complex threat landscape. You’ll be part of a highly motivated and collaborative environment with real impact on product architecture and direction.

• End-to-End Development: Design and build new features for a cloud-based security platform using modern technologies like React, Node.js, and Python or Java.
• Architecture & Innovation: Contribute to architectural decisions and implement scalable, secure, and maintainable solutions.
• API & Data Layer: Develop and integrate REST and GraphQL APIs, and work with both SQL and NoSQL databases.
• Quality Engineering: Ensure high code quality through automated testing, code reviews, and best practices in CI/CD pipelines.
• Security & Performance: Build with a security-first mindset, optimizing applications for performance, scalability, and reliability.
• Cross-functional Collaboration: Work closely with product managers, designers, and fellow engineers in a fast-paced, agile team setup.
• Continuous Improvement: Identify and drive opportunities to improve development processes, tooling, and team practices.

Qualifikation

• Fullstack Experience: Strong background in frontend development (React, TypeScript) combined with solid backend experience in Node.js, Python, or Java.
• Cloud & Serverless: Practical experience with AWS, GCP or Azure, and understanding of serverless patterns and event-driven architectures.
• IaC & DevOps: Familiarity with Infrastructure-as-Code (e.g. Terraform) and CI/CD tools.
• API & Database Expertise: Confident working with modern APIs and both relational and non-relational databases.
• Security Know-how: Experience with secure authentication methods (OAuth, JWT) and general cloud security best practices.
• Agile Mindset: Proactive, self-organized team player with strong communication skills and a passion for clean, maintainable code.
• Language Skills: Fluent in English (written and spoken); German is a plus.
• Competitive Salary Package
• Flexible Working Hours & Hybrid Setup
• Close Collaboration with the CTO – Direct influence on tech decisions and architecture
• Personal Growth Opportunities – Supported through feedback, learning budgets and career paths
• Startup Spirit with Purpose – Work on something meaningful in a mission-driven team
• Flat Hierarchies & Open Culture – Your voice and ideas matter from day one

If you’re excited about building modern fullstack solutions and want to make an impact in cybersecurity, we’d love to hear from you.

We welcome applications from all backgrounds – diversity, equity and inclusion are core to our client’s values.