Senior Frontend Software Engineer - CX Pentests

Remote - Germany or US

Full Time Senior-level / Expert
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Posted 1 month ago

Who We Are

Cobalt ( is a fast growing cybersecurity start-up headquartered in San Francisco. Cobalt is providing a Pentest as a Service Platform which leverages the sharing economy to find global security talent to help secure companies and their users. We have Scandinavian roots, an American base and a global outlook. Our offices in San Francisco, Berlin, and remote roles are characterized by a fun, fast-paced and collaborative culture based on individual responsibility and ownership.


Today, Cobalt helps secure hundreds of leading B2B companies (GoDaddy, HubSpot) by connecting them with on-demand pentesting experts. The platform brings both sides together to identify, triage and fix vulnerabilities. Seven years and over 20K commits later, our technology has been battle tested by thousands of users.

What's next? Cobalt is continuing to grow and evolve the feature sets serving companies' needs for pentest planning, execution, and analysis.  The Customer Experience (CX) Pentests team is looking for outstanding engineers to join us in building a platform that delights growth, SMB, corporate, and enterprise level customers as they improve their security posture.

About the Role

As a Senior Frontend Engineer, you’ll leverage your expertise to design and extend our React application, iteratively improving Cobalt’s org and user settings, access controls and permissions, in-app events and notifications, and more. You’ll work collaboratively with product managers and designers to drive the implementation and release of major features, and be a champion of best practices for writing well-tested, well-organized code.

If you enjoy making an impact, the Cobalt Engineering team is excited to hear from you.

What You Would Do

  • Work in a remote friendly engineering team (our engineering base is in Berlin)
  • Make an impact as we build the best Pentest as a Service Platform
  • Be an active member of a cross-functional product development team that frequently interfaces with business stakeholders
  • Make decisions about code design, architecture, and refactoring to balance technical debt against delivering functionality
  • Consistently deliver high quality features and functionality
  • Plan and lead testing for complex projects
  • Review code and mentor other engineers
  • Provide time estimates and participate in agile development and continuous delivery processes 
  • Review specifications and work with PMs and Designers to drive sprints
  • Work with React, CSS in JS, Redux, React Testing Library, and Cypress for E2E testing

You Identify As

  • Self-Starter. As a senior member of the team, you’ll feel at home as a hands-on, self-directed contributor who drives initiatives within the team and cross-team, for the product and for other engineers
  • Team-Player. You collaborate with other engineers and the Product team (PMs, Designers) daily to deliver high quality features on-time and identify ways to continuously improve how you and your team work
  • Technical-Interface. Not only internally, but with customers and other stakeholders, you’ll help others understand technical complexities and opportunities in terms they’ll understand
  • Frontend-Focused. You're familiar with modern frontend frameworks, working primarily in React, and you like to pair with designers to build delightful user experiences

You Must Have

  • 5+ years experience as an engineer working with production software at scale
  • Deep knowledge and experience working with Javascript, preferably with React  
  • Interest in Ruby/Kotlin is a big plus
  • Experience with FE state management - we use Redux
  • Strong grasp of SOLID principles with a commitment to engineering excellence
  • Ability to communicate effectively in an asynchronous environment
  • High comfort level with a remote-first, global company (i.e. work with our Berlin team and our US west-coast team) 
  • Experience with full stack architectures, working with RESTful API design and implementation
  • Familiarity with Agile, DevOps, and CI/CD
  • Exposure to cloud architectures - we’re on GCP
  • Deep understanding of the SDLC tooling ecosystem (+ security tools, even better)
  • Ability to build scalable, maintainable, and performant production code
  • Good written and verbal communication in English

Nice to Have

  • Experience in a fast-growing SaaS company
  • Experience with adopting and growing a design system + component library
  • Experience with React Test Library and Jest
  • Experience with FE build pipelines and deployments, CircleCI
  • Interest in Ruby/Kotlin is a plus
  • Experience in the cybersecurity industry / knowledge of best practices

Why You Should Join Us

  • Opportunity to join and grow in a passionate, rapidly expanding industry
  • Work directly with experienced senior leaders with ongoing mentorship opportunities
  • Competitive compensation and attractive equity plan
  • Flexible paid time off, remote working from anywhere in the US and travel policies
  • Paid lunches
  • Stipends for wellness, work-from-home and learning & development
  • 401(k) program to help you save for the future (US only)
  • Medical, dental, and life insurance benefits (US only)
Job tags: Architecture DevOps JavaScript Pentesting Ruby SaaS Vulnerabilities
Job region(s): Europe Remote/Anywhere
Job stats:  22  1  0
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