Senior Backend Engineer - CX Team

5d - Indeed - San Francisco, CA
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.


We are looking for an experienced Senior Backend Engineer to help build our platform and suite of customer facing Pentest as a Service features. You will be responsible for contributing to the way we build, maintain, and improve our software stack. You'll work in a fast paced, agile environment, collaborating on a daily basis with our Engineering teams and Product Management.

What You Would Do

Work with our SF based engineering team, following Agile and continuous automation processes to build out our Ruby based architecture.
Work with multi-tiered distributed systems, web services, APIs, relational and NoSQL databases.
Partner with product teams to gather requirements and deliver creative solutions that meet needs with respect to functionality, performance, scalability, reliability and realistic implementation schedules.
Work in a small, fast-paced, collaborative startup environment where you will certainly be able to make an impact as we aim to build the best penetration testing as a service platform.

You Must Have

5+ years of professional experience with Ruby on Rails.
Experience working with microservices, RESTful APIs, relational databases.
Experience working with any cloud infrastructure, preferably GCP.
Experience with continuous deployment processes.
Experience participating in agile and test driven development models.
Knowledge of application architecture, networking, security, reliability, and scalability concepts.
Good organization skills, excellent written and verbal communication in English.
Experience working with distributed teams
Be located or willing to work in the Pacific Standard Time Zone

Nice to Have

Being ready to learn Kotlin. Some of our new services are written in Kotlin.
Knowledge of Docker and Kubernetes is a big plus.
Experience working with another programming language, preferably any JVM language

Why You Should Join Us

Opportunity to join and grow in a passionate, rapidly expanding industry

Competitive compensation & attractive equity plan

Flexible paid time-off, flexible work from home & travel policies

Regularly planned team outings and company events

Paid lunch 3x/week

Pet-friendly offices

401(k) program to help you save for the future (US only)

Medical, dental, and life insurance benefits (US only)