Senior Software Engineer, Backend at Life360
San Francisco, CA, US

Founded in 2008, Life360 is a platform for today’s busy families, bringing them closer together by helping them better sync, communicate with and protect the people they care about most.  Our mobile app provides millions of families in over 140 countries with services such as private location sharing, location history, drive details, crash detection, roadside assistance and help alerts through our free and paid membership subscription.

Life360 is a high-growth, freemium consumer mobile company that has raised >$200 million in equity capital since inception.  Our customer base, which currently exceeds 23 million monthly active users (MAU), has enabled us to become one of the world's largest sources of consumer driving data with more than 18 billion miles collected per month as of June 2019.  The company is at the forefront of a broad range of technologies (mobile, location services, hardware sensors, machine learning, big data, etc) in pioneering its family-centric platform. Life360 has over 130 employees and counting across offices in San Francisco, San Diego, Fort Lauderdale and Las Vegas.  As of early 2019, we are public on the Australian Stock Exchange.

About the Job

Position Summary

  • As a Backend Engineer on the Cloud team you will help build new scalable services that power the features of the number one mobile app that provides safety and peace of mind to millions of families.
  • You are comfortable maneuvering legacy code bases and enjoy turning them into new state of the art technology, as we are breaking down a PHP monolith into JVM-based microservices on AWS.
  • Our cloud team ensures that our API's are able to process tens of thousands of requests a second with the ability to scale 10x. You'll be a very active contributor to our diverse codebase.
  • You use automation tools as often as possible, and develop and improve these tools.
  • You are comfortable dealing with very large amounts of traffic to the tune of billions of daily API requests


You're that someone with these relevant skills:

  • Minimum 5 years of relevant experience required
  • Code polyglot: we primarily use Java and PHP along with some Python, Scala, Go.
    Be proficient in at least two of these languages.
  • Excellent understanding of data stores, distributed systems, data modeling and their associated pitfalls.
  • Agile software development experience
  • Ability to work in a cross-functional team
  • A desire to bring innovative solutions to the challenges of scaling the API and platform

Some of the things you'll do:

  • Build microservices in JVM languages, primarily using Spring Boot
  • Work within the suite of AWS products like data storage and handling (DynamoDB, RDS, Aurora, Kinesis) and service deployments (EC2, EKS)
  • Actively refactor, rewrite, and replace legacy systems into more performant technologies and programming paradigms
  • Work with staff engineers to design features, systems, and services
  • Conduct technical and code reviews and approve pull requests
  • Be a primary driver for translating specs into a technical design and then into running systems
  • Own your deployed services in production

Other things we love about you:

  • Strong attention to detail
  • Professional that understands the importance of craftsmanship and incremental delivery
  • Comfortable with the uncertainty of working with new technologies
  • Strong and clear communicator that can listen to their team as well as clearly articulate their ideas
  • Strong collaboration and sense of working with a team to achieve challenging goals

Even better if you have:

  • Experience developing services to support data streams
  • Experience with columnar databases (Cassandra / DynamoDB)
  • Experience with relational databases (MySql / RDS)
  • Experience with AWS (EC2, S3, Kinesis, etc.)


  • Fridays are Work From Home days at Life360
  • Competitive pay and benefits
  • Free snacks, drinks and food in the office
  • Catered lunches throughout the week
  • Health, dental and vision insurance plans
  • 401k plan
  • $200/month Quality of Life perk
  • A great office with plenty of light in the heart of the SOMA district in beautiful San Francisco
  • Whatever makes you stronger makes us stronger. We buy you the things you need to improve yourself and get your job done.