Mobile is eating the world.
Join the Appthority team and save it!

Want to be at the forefront of mobile, security, and cloud? Usage of mobile apps is exploding and companies across the globe are looking for scalable security and privacy solutions to protect their information.


Mobile. Cloud. Security. Big data. We’re leveraging the latest technologies to solve the problems of mobile app analysis at scale.

Using Ruby on Rails and other languages, leveraging the Amazon cloud, and applying cutting edge security research and automation strategies, Appthority’s world-class engineering team is inventing the future of mobile app security. For engineers who are at the top of their game and want to make a difference, joining the Appthority team means daily opportunities to test yourself and expand your skills.


When does working not feel like a job? When you are having fun doing it! 

Our team enjoys an intellectually and professionally stimulating environment with lot’s of fun as part of the mix.


We’re a venture funded startup, the leader in our category, with a fast growing customer list and huge market opportunity.

By joining our team you’ll enjoy competitive compensation including equity, benefits, and some great employee perks.

Flexible work schedules
Health, dental, vision insurance
Credits for commute, smartphone, home internet
Paid company holidays
Employee Perks:
Gourmet catered lunches from San Francisco’s best restaurants
Fully stocked kitchen
Premium coffees and teas
Foosball, arcade games
Easy commute: 1 block from BART, walking distance to Caltrain
Beautiful bay and bridge views from our 16th floor offices

Our Job Openings

R&D Engineering

As an Appthority R&D engineer you will be on the cutting edge, helping to develop the industry’s leading system for automated, scalable Mobile App Risk Management. In this role, you will be responsible for mobile OS and application reverse engineering, mobile malware analysis, and research and response to the latest mobile security threats. You will work on state of the art static and dynamic engines built to analyze iOS and Android apps in a scalable manner, and on development of features related to automated large-scale analysis of mobile apps.

Job Requirements:

  • Computer science BS degree (MS a plus)
  • Strong programming skills
  • Significant OS internals knowledge, in particular related to Android or iOS
  • Significant experience reverse engineering including disassembly, debugging and knowledge of x86 and/or ARM assembly language
  • Significant experience working with complex algorithms

Additional skills helpful for the role:

  • Malware analysis experience
  • Mobile application development for Android and/or iOS
  • Knowledge of dynamic software analysis
  • Knowledge of mobile network infrastructure and protocols
  • Experience developing or debugging mobile-related hardware
  • Knowledge of cloud infrastructure (AWS knowledge or experience a plus)

Chief Architect

As the Appthority chief architect you will be on the cutting edge, leading a talented team to develop and enhance Appthority’s SaaS solution for Mobile App Risk Management. In this role, you will be a hands-on architect responsible for leading the design and implementation of Ruby and RoR-based features, as well as automated mobile app analysis, all deployed on AWS. You will be expected to develop and socialize the architecture and ensure proper design principles are followed. You will work closely with product management, customer success, sales and marketing to ensure that all stakeholder requirements are met, and that our solution results in highly satisfied customers.

Job Requirements: 

  • Computer science BS degree (MS a plus)
  • 7+ years relevant experience, including at least 2 years as architect
  • Experience with SaaS and/or web application development
  • Experience with mobile security or mobile app reputation
  • Ruby & Ruby on Rails
  • BDD and TDD using Cucumber and RSpec
  • Knowledge of cloud infrastructure, preferably AWS
  • Excellent written and oral communication skills
  • Local candidates only

Additional skills helpful for the role: 

  • Mobile application development for Android and/or iOS
  • Knowledge of mobile network infrastructure and protocols
  • Team lead or first-line management experience
  • Ability to recruit, mentor, design, plan, support—and meet schedule commitments