Back-End Engineer Catch.com
Catch.com is a leading developer of note-taking and geo-tagging apps in the Google Android Market with over 7 million active installs on Android powered smartphones and tablets. Our apps also work on iPad, iPhone, and the web.
As a Back-End Engineer, you'll be responsible for the beating heart of Catch: The sync engine that supports one-half million users a month. Today, the core API service uses Python Twisted to integrate MongoDB, S3, GCM, and APNS to provide immediate sync and seamless data replication across our users' varied devices. We also have a separate WSGI-based server that handles authentication, payment, and other lower-volume web services.
Initially, you'll be responsible for maintaining the existing system, including a variety of core changes to better support our growing user base. Beyond that, you'll have the opportunity to help design and implement an entirely new back-end built on cutting-edge distributed concepts.
We are seeking someone adept with some or all of the following technologies:
Python, C, and Java experience
Python Twisted or other async frameworks
TDD and CI experience
MongoDB or other NoSQL storage approaches
JSON, XML, and other standard data-transfer methods
Experience with Amazon S3
Knowledge of OpenID, OAuth2, SAML and similar security protocols
Solid understanding of basic cryptography
Scaling server throughput using sharding, load-balancing, reverse proxy caches, message queueing, etc.
A few things that would help make your resume stand out:
Mobile experience is a plus
Distributed systems experience a plus
Some sys admin background is helpful for triaging production issues
Log file analysis and performance profiling
BSCS or better
If you think you're up to the challenge, send your resume and cover letter to email@example.com.
In your cover letter, explain why you would choose an async framework for some problems and a threaded framework for others. (Hint: we use both, so we clearly think each one is appropriate for different types of problems.)
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