Software Engineer - Scalability

About This Role

We are seeking extraordinary talent to help fuel our distributed application capable of serving over 1 billion mobile devices tracking over 10 billion actions day, equating to over 30,000 requests/second and generating terabytes of data per day. That's just the beginning; our plan is to triple our growth over the next year.

If this kind of scale piques your interest, then Leanplum is the place for you! The Scalability team is a brand new full-stack engineering team whose mission is to create the most seamless experience possible for the engineers, PMs, and marketers that use our product. This team will devise creative solutions that simplify the onboarding experience, ensure world-class reliability, and achieve success for our 100+ enterprise customers, including Lyft, Tinder, and Zynga, in a way that will scale to thousands of customers.


  • Work with a team of highly talented Software Engineers through the entire software development process, including design, architecture, code quality, testing, deployment, security, and monitoring.
  • Hands-on software development across our entire infrastructure, including our customer dashboard, mobile SDKs, API, and analytics services.
  • Design features and improvements considering tradeoffs in impact, effort, technical debt, and cost.
  • Collaborate with all engineering teams, Product Management, Design, and Customer Success, with opportunities to interact with our customers.
  • Demonstrate customer empathy.


  • 3+ years experience building high quality, performant and scalable web applications
  • Bachelor's degree or higher in Computer Science or related technical field
  • Proficiency in algorithms, data structures, complexity analysis and software design and/or expertise in Linux systems, performance and application issues.
  • Good diagnostic and debugging sense - the ability to find a needle in a haystack (or a bug in a program stack)
  • Adept at pattern recognition by using data analysis techniques in time-series and snapshot data
  • Verbally and cognitively agile enough to hold your own in cross-functional discussions
  • Expertise with a wide variety of development tools like IntelliJ, Xcode, Android Studio, Git etc
  • Familiarity with large scale distributed systems, data processing pipelines, and concurrency patterns
  • Proficiency in Java, Python and/or JavaScript


  • Competitive Salaries
  • Health, vision, and dental insurance
  • Monthly contributions to personal health and wellness
  • Unlimited vacation
  • Peer bonuses
  • Delicious lunch catered daily
  • Themed happy hour every Friday
  • Ping pong, darts, and foosball
  • Puppies galore

Build more than a Career. Create Meaning.

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