Software Engineer - Real Time Distributed Systems

San Francisco, CA | Engineering

Job Description

About Us

BlueShift Labs is an early-stage startup based in San Francisco, building a Saas product used by CRM marketers to automate behavioral messaging. Blueshift is founded by repeat entrepreneurs who previously built (acquired by Groupon), and was part of the founding team behind Kosmix (acquired by Walmart to become @WalmartLabs). We are backed by top tier VC firms (NEA & Nexus Venture Partners), and are in pilots with select customers. Blueshift enables behavioral marketing across multiple touchpoints with the user. As a backend engineer, you will help build algorithms & real-time systems that scale to millions of users, and own/build key pieces of our technology from scratch.


  • Build large scale and low latency systems
  • Analyzing high volume of data to make data driven decisions
  • Building efficient A/B testing systems
  • Design algorithms for real-time targeting


  • Proven experience with web frameworks such as Ruby on Rails
  • Experience working with real-time systems a plus.
  • Ability to build systems that can handle tens of thousands of requests per second at low latency
  • Working experience with NoSQL systems, preferably MongoDB
  • Curiosity and passion for algorithm design.
  • Experience implementing ML algorithms and iterating with big data will be a plus.
  • Bachelors/Masters/PhD in Computer Science or related fields


  • Full health, dental, vision insurance
  • 401k plan
  • Unlimited vacation + 2 weeks vacation accrual for unused days
  • Flexible spending accounts for transportation and parking
  • Life insurance & disability coverage
  • Proximity to public transport (BART / Caltrain) and great restaurants in vicinity.
  • Join the early team, and work closely with founders on all aspects of the company.
  • Generous equity grants and competitive salary
  • We will process visa transfers (H1b, TN etc.) and immigration.
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