Zendrive -- Full time, onsite, San Francisco, CA  ( <a href="http://www.zendrive.com" > )
Face it. Driving Sucks. No one wants to be a bad driver. No one wants to drive more than necessary, especially not in traffic. No one wants to over pay for gas, insurance or a new vehicle. And everyone wants to prove they are better driver than most.
We're bringing big-data to driving and we're surfacing insights about all of these topics  to drivers in a fun and interactive way.  We're building something new, that combines best of both quantified-self and game mechanics. It's going to be useful, fun and rewarding. And we'll be disrupting a couple of industries in the hundreds of Billions of dollars.
A small team of ex-Google and ex-Facebook product and engineering folks working on solving a problem that touches hundreds of millions of lives. We are backed by leading angel and seed investors in valley. Join us to work on a problem that everyone can understand and will make a meaningful, positive impact on the world (while building a multi-billion dollar business). Craft a beautiful product that everyone can use. Including your mom!
For all positions apply online at <a href="http://www.zendrive.com/#careers" >
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Product Designer/ Art Director
Role: 
* Define the design process and drive execution around usability, design and user research. 
* Lead our design-driven process of rapid iterations in user research, discovery and feature definition. 
* Provide creative direction and vision, all the way from branding and identity, through customer value props, down to the product flows on pixel and interaction level. 
* Contribute to high-level, strategic product direction in close collaboration with engineering.
Ideal Candidate:
* Strong portfolio of product design that has been built and shipped to users, especially in mobile. 
* Proven ability to execute on visual and interaction details. 
* Ability to spec, wireframe and build UX and UI for features and interactions. 
* Experience working on projects involving Game Mechanics and/or Data Visualization.
Bonus:
* Being efficient with creating wireframes and interaction prototypes, yet also capable of diving deep to polish and conceptualize rich animations. 
* Experience working with an agile engineering team and across time zones. 
* Experience in using game mechanics and consumer psychology. 
* Experience with driving engagement and organic growth through interaction. 
* Understanding of usability and design frameworks for both iOS and Android.
<a href="http://www.thesourcery.com/jobs/574" >
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Senior iOS Engineer
Role:
* Work with core team dedicated to create a beautiful app from the ground up with custom native user interfaces.
* Take a leadership role, with ability to deeply influence product and design, as well as culture of young company. Build a superstar mobile hackers team.
* Analyze, identify, and optimize performance bottlenecks and reliability.
* Conquer challenges of using location services, and sensors while optimizing for battery.
Ideal Candidate:
* Has helped build and ship at least one iOS application professionally. We're less concerned with how many years of experience you have than with your iOS chops. 
* Is very comfortable with iOS technologies (Objective C, Cocoa, iPhone SDK - iOS 5 + 6, iOS 7) and environment. 
* A CS degree OR 4+ years mobile experience.
* Comfortable with TDD and a paranoid about code quality.
Bonus:
* Previous startup experience, ability to prototype and move fast. 
* Strong UI/UX sense and experience implementing game mechanics and/or dynamic infographics a plus. 
* Sound judgment for balancing scrappiness and long-term code maintainability. 
* Experience with battery optimization and location APIs.
<a href="http://www.thesourcery.com/jobs/575" >
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Ask HN: Who is hiring? (September 2013)