Airseed - San Francisco, CA
  * The Atlas: Backend Engineer
  * The Guardian: Platform Security Engineer
  * The Rainman: Data Scientist / ML Engineer
  
tl;dr
  who: early stage engineers
  what: developer platform
  tech: Auth + API + Analytics
  big data: petabytes; 200M+ nodes, 1B+ edges
  founding team: serial entrepreneurs
  investors: Google Ventures, angels
  customers: ecommerce, travel
  location: downtown SF
  comp: non-trivial equity + salary

Airseed is a developer platform that powers: (1) single sign-on authentication, (2) rich consumer data, and (3) interactive analytics. We make it incredibly easy for web / mobile app developers &amp; Fortune 500 companies, to authenticate their users while getting incredibly rich intelligence, all within minutes of onboarding.
Our backers: Google Ventures and top Silicon Valley angel investors
Our culture: balance, betterment, do good, hustle, simplicity, transparency
Our stack: Ruby, Go, Python, Javascript, MySQL, NoSQL (Neo4j, Redis, Elasticsearch, Cassandra), Hadoop, Storm, Spark
Looking for domain experts: application development, infrastructure, data mining, machine learning, distributed systems, security, monitoring/ reliability
Here are some challenging problems at Airseed that you could help us solve:
  - derive correlations, recommendations, and predictions at scale on highly connected data (billion+ nodes!)
  - build a massively scalable API with &lt;50ms response time
  - design an interactive and modular analytics framework to power TB's of data
  - design and implement security measures for an extremely high-volume, fault-tolerant, scalable system that process and manage petabytes of sensitive customer data.

More info here: <a href="https://www.airseed.com/jobs" > Email me (Arun - CTO): arun {at} airseed {dot} com
Ask HN: Who is hiring? (August 2014)