Senior Platform Engineer

Radius is a fast-growing, venture-backed startup in the heart of San Francisco. Radius applies advanced data science to deliver the freshest, most accurate, and most comprehensive view on 20M+ US companies―from small businesses to the largest enterprises. We build cutting-edge machine learning solutions that help our customers discover markets, acquire customers, and measure performance through an app that’s intuitive, secure, and enterprise-ready.


  • Work with a team of other talented engineers and product managers
  • Build robust, scalable, integrations using 3rd party APIs
  • Create and maintain a REST API for use by other teams within Radius
  • Write production-quality software with an emphasis on scalability and maintainability
  • Provide mentorship to more junior members of the team


  • 5-10+ years experience as a full-stack or back-end engineer
  • Team lead or management experience
  • Advanced experience with Java
  • Experience with SQL and relational databases
  • Comfortable working in a *nix based environment
  • History of creating professional level software
  • Understanding of networking concepts
  • Passion for the craft of software engineering
  • Experience writing automated tests (JUnit, TestNG)

Additional Preferred Qualifications:

  • Experience with JPA, Hibernate, etc
  • Experience with REST APIs
  • Experience using AWS services
  • Experience with Elasticsearch
  • Experience with a service oriented architecture
  • Experience with performance tuning the JVM
  • Experience scaling of relational databases: including sharding, partitioning, etc
  • Web development with JavaScript
  • Experience leading teams of engineers

Radius is an Equal Opportunity Employer.

Meet Some of Radius's Employees

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Katie G.

Senior Director of Product Marketing

Katie channels the voice of the customer back into product development in order to make sure that Radius’ products solve customers’ real-world problems.

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