Senior Software Engineer, Platform API at Expanse
San Francisco, CA, US

Company Overview


Expanse, formerly Qadium, a San Francisco-based company, provides IT and security teams with complete visibility of the assets and risks on their global Internet Edge. This enables our customers, Fortune 1000 companies and the US government, to quickly and efficiently eliminate these risks. Through technology and service expertise, we surface and help remediate Internet Edge risks to prevent large breaches and successful attacks.


Expanse has raised over $65 million of funding from Founders Fund, NEA, IVP, and TPG. We were founded in 2012, after the founders met at DARPA.


 Position Summary


As a Platform API Engineer, you will be an integral part of the team that enables our customers to engage with our data. Your expertise will help us transform the way large organizations manage and secure their systems. 


At Expanse, ownership starts at defining the problem and seeing it through, from architecture and implementation to rollout and support.

What You’ll Do


Work closely with our PM team to define feature specifications and build the next generation of products focused on securing the enterprise perimeter

Design, build, and optimize multi-tiered web applications for maximum speed and scale, using a number of backend storage technologies including Postgres, Bigtable, and Elasticsearch

Create fast and intuitive RESTful APIs using Java and Python

Assess and communicate the technical feasibility of different feature requests to the product team

Drive projects to completion

 About You


5 years of experience as a professional software engineer

Proficiency in Python, Java

Deep understanding of relational databases and SQL

Experience with column and document stores, including when to use them and how to model data

Working knowledge of API design and distributed backend systems

Self-driven and self-motivated

Experience building for scale and performance

Comfortable supporting your work in production

Willing and able to work in San Francisco, CA or New York City, NY



100% coverage of employee healthcare benefits (Medical, Dental, Vision)

50% coverage for dependent healthcare benefits

20 vacation days with 10 company holidays

Parental Leave

401k Plan

Pre-tax commuter & FSA benefits

Monthly contribution to phone bill

Relocation assistance available

Stocked kitchen + catered lunch and dinner

New hire office productivity budget - $300

Quarterly discretionary team building stipend

On-site activities such as Lunch and Learns, Speaker Series, Game Night, and Trivia Night

Company-wide events including team building, holiday party, and offsites