Senior Frontend Software Engineer - Pentester Experience

Remote - Germany

Full Time Senior-level / Expert
Cobalt logo
Cobalt is the future of penetration testing. We leverage global talent and a software platform to deliver a better penetration test.
Apply now Apply later

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 growing its Pentester Experience team to help solidify our status as a world-class security platform. As a Senior Frontend Engineer on this team, you’ll leverage your expertise to design and build Cobalt’s pentester interfaces and establish Cobalt as part of the larger, connected SDLC and security tooling ecosystem. 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.

We're a rapidly growing SaaS company, full of can-do people who care about craft, collaboration, and our customers. It's an exciting time to join.

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

What You Would Do

  • Work in a remote first engineering team (our engineering base is in Berlin)
  • Make an impact as we build the best Pentest as a Service Platform
  • Help us scale and improve our business operational efficiency
  • Partner with product, customer success and pentest architect teams to gather requirements, brainstorm solutions and deliver creative solutions that meet needs with respect to usability, performance, aesthetics, reliability and realistic implementation schedules
  • 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 to drive sprints

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

  • 7+ years of professional experience with frontend technologies including HTML5, CSS3, JavaScript, and React/Redux, Formik, React testing lib, Cypress. You don't have to know all of it for sure.
  • Strong experience in JavaScript, understanding of concepts (Closures, Scopes, Hoisting, Context, OOP)
  • Experience building and working with design systems and component libraries
  • Experience working with RESTful APIs
  • Practical usage of SOLID principles
  • Experience with automation testing and continuous deployment processes
  • Solid understanding of build tools and bundlers, such as webpack
  • Good written and verbal communication in English
  • Comfortable working in distributed environment

Nice to Have

  • Experience in breaking up a monolithic frontend into independent modules and working in a microservice environment.
  • Experience with GraphQL

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 and a remote first policy
  • Paid lunches and private pension fund options
  • Stipends for wellness, work-from-home and learning & development
Job region(s): Remote/Anywhere Europe
Job stats:  9  2  0
  • Share this job via
  • or

Explore more Information Security career opportunities