For our group-wide development department **SINA Evolution** in the **Public Authorities divisio**n \- the driver of secure cloud transformation \- we are looking for your bright mind to join one of our locations in **Berlin, Bonn, Borchen, Dresden, Eschborn, Essen, Hamburg, Hanover, Ilmenau, Munich, Siegen** or **Stuttgart** as soon as possible. We're looking for a Lead Frontend Engineer (m/f/d) to take technical ownership of the user-facing interaction layer of an embedded system operating in a security-critical environment.
In this role, you act as the primary technical decision-maker for frontend architecture while remaining deeply hands-on in development. You define the frontend strategy, shape the foundations for future growth and actively contribute to building an engineering
team -\- including mentoring, onboarding and supporting additional frontend engineers as the team evolves. SINA Evolution is secunet's innovation department for security-focused products in public authority & high security environments. The team is responsible for building the technical foundation for new product classes and long-term platform solutions.
We contribute directly to the development of sovereign, security-critical digital infrastructure. The systems we shape are used in high-security public-sector environments where control, trust, and long-term operability matter more than speed or hype.
### your responsibilities


- own and evolve the frontend architecture for an embedded system and beyond
- design user-facing apps considering resource limits, security, and update constraints
- actively contribute code and drive hands-on development, esp. in early project phases
- define clear interfaces and APIs with backend and system teams
- build and grow the frontend engineering team through mentoring and onboarding
- collaborate with central platform and engineering units by consuming and contributing shared building blocks



### your profile


- several years of experience in frontend or user-facing application development
- strong hands-on skills with modern frontend technologies and architectures
- experience taking technical ownership and guiding architectural decisions
- proven ability and willingness to build, mentor and develop engineers as part of the role
- awareness of security, lifecycle and operational constraints in software development

**technologies we use:**
- Nix is the glue that keeps all our software together
- NixOS is our OS of choice
- Rust is the lingua franca of our development efforts
- React is the preferred library for our web-based UI development
- Figma for collaborative design work
- GitLab is our software development platform

**Bonus points:**
- experience with emerging technologies and DevSecOps platforms
- familiarity with the German language, while not required, is an advantage
- proven experience in organizational transformation or change management



### Why secunet?


- **Company Culture:** We value open communication, innovation, and teamwork, fostering a collaborative environment with flat hierarchies.
- **Work-Life Balance:** Flexible working hours and remote work options support a balance between professional and personal life.
- **Career Growth:** We offer ample opportunities for professional development, including coaching, mentoring, and leadership pathways.
- **Tech Stack:** Work with cutting-edge technologies and help shape secunet's future by influencing the long-term technological vision.
- **Competitive Compensation:** We provide an attractive salary, bonus structures, and a range of benefits including health and wellness programs.



### get in touch with us
secunet Security Networks AG
Frau Katrin Krause
Kurfürstenstraße 58
45138 Essen
Telefon: +49 201 5454-0

If you are keen to work for a leading company of cyber security in a fair and trusting environment you should immediately get in touch with us. We're looking forward to your application containing your notice period, your salary expectations as well as the job ID **3319/F**.