Software Engineer – Web

Censys is seeking a full stack web developer to help create a new web application that enables security analysts to understand their external network perimeter. We perform billions of network handshakes and DNS lookups per hour as well as consume external data feeds to maintain an up-to-date view of all hosts and networks on the Internet. You will help build the application and APIs that enable researchers and analysts to explore and draw security insight from this data. This spans building APIs and services on top of backend database like Elasticsearch, BigTable, and Spanner to working with frontend designers and developers to write Javascript code. You will be joining a small, energetic team in Ann Arbor, MI.

The types of things you’ll do:

  • Develop customer-facing web apps in Python, JavaScript, HTML, and CSS 
  • Partner with product and design teams to build and launch new products 
  • Collaborate with the data engineering team to translate Censys data into customer facing features 
  • Design automated solutions for building, testing, monitoring, and deploying applications in a continuous integration environment. 
  • Solve problems across multiple codebases and technologies

Desired Qualifications

  • Bachelor's degree in Computer Science or related field, or equivalent experience 
  • 3+ years of industry experience building web applications in HTML5, CSS, and Javascript Frameworks (e.g., Angular, React, Vue) 
  • Experience with backend web frameworks (e.g., Rails, Django, Pyramid) 
  • Experience with object- oriented languages (e.g., Python, Ruby, or Java) 
  • Familiarity with SQL (e.g., PostgreSQL) or NoSQL stores (e.g., Cassandra)

We celebrate diversity and are committed to creating an inclusive environment for all employees. Censys is an equal opportunity employer.

Employment at is based solely on a person's merit and qualifications directly related to professional competence. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, any other basis covered by law.

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