#Engineering
#Cybersecurity
#SaaS
#Ruby on Rails
#JavaScript
#React
#Node.Js
#Kotlin
#GCP
#Kubernetes
#API
#CI CD
#Agile
At Cobalt, we are transforming the cybersecurity landscape by making pentesting faster, more accessible, and highly integrated with modern development workflows. We pioneered the Pentest as a Service model, which combines a powerful SaaS platform with an exclusive community of over 400 vetted security experts known as the Cobalt Core. Today, more than 1,000 customers rely on our award-winning, fully remote team to remediate risks and innovate securely. We are currently seeking a mid-level Backend Software Engineer to join us in this mission, helping us build a safer digital future while growing alongside a diverse team of professionals from over 45 nationalities.
Key outcomes
- Develop high-quality, scalable backend solutions using Ruby on Rails to enhance our PtaaS platform.
- Collaborate with product managers, designers, and fellow engineers to translate business requirements into innovative features.
- Balance the removal of technical debt with the delivery of new, forward-looking platform capabilities.
- Participate actively in code reviews and technical planning sessions to maintain high software standards.
- Apply agile methodologies, automated testing, and CI/CD best practices to ensure efficient deployment cycles.
- Engage in cross-team technical initiatives and utilize our internal growth and mentorship programs to advance your professional skills.
Requirements
- At least 3 years of professional experience in backend development.
- Strong proficiency in Ruby on Rails.
- Expertise in designing and consuming RESTful APIs.
- A commitment to writing clean, maintainable code and a solid understanding of application architecture.
- Excellent written and verbal communication skills in English for effective remote collaboration.
- A proactive mindset with a strong desire to learn new technologies and contribute fresh ideas.
- Must be a resident of Germany.
Preferred qualifications
- Familiarity with our broader tech stack, including JavaScript (React), Node.js, Kotlin, GCP, and Kubernetes.
- Experience working with cloud-native technologies, microservices architectures, or security best practices.
- A strong portfolio or active contributions to open-source projects.
Compensation
We offer competitive compensation packages, which include an attractive equity plan. Our comprehensive benefits package is designed to support your well-being and professional growth, featuring:
- Medical, dental, vision, and life insurance, including statutory healthcare.
- Pension contributions.
- Flexible working hours and generous paid time off.
- Stipends for wellness, home office equipment, and professional development.
- The opportunity to work remotely from anywhere in Germany.
How to apply
If you are passionate about cybersecurity and eager to make a significant impact, we encourage you to apply. We value diverse perspectives and welcome candidates who may not meet every listed requirement but are enthusiastic about joining our team. Please submit your application to be considered for this role.



