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Blue Jeans Network
Job Description
Resiliency :
Systems/nodes/data centers can fail anytime, the show must still go on
We have a tool that is similar to Chaos monkey (https://github.com/Netflix/SimianArmy/wiki/Chaos-Monkey) & it is under active development to account for newer failures
Examples of our usual work :
We eat CPU/Memory on servers
We block ports on couchbase/rabbitmq to test
We crash processes, kill JVMs
We test and automate the above
Performance Engineering :
We simulate customer scenarios on various test environments (at times against production env)
Load the system-under-test with 10000s of audio-video participants who are using various protocols (sip, h323, webrtc, hls .)
Load test other in-meeting and non-in-meeting features (sockjs, http .)
Monitor various systems, analyze dashboards of metrics, debug stability issues, profile & benchmark performance
Recommend production sizing for future, based on various tests
Examples of our usual work :
We load the geolocated system-under-test from geolocated clients worldwide.
We manage and use environments in AWS and google compute engine
Monitor various metrics of couchbase / rabbitmq /zookeeper/Cassandra on various load conditions, to predict upcoming issues
Tooling :
A lot of tooling - load generation, failure simulation, monitoring
Post execution analysis - collect metrics, analyze, report
Some examples
Bring up/down aws/rackspace test environment on a need basis
Gather various metrics from different nodes in system-under-test, like couchbase/zk ops per second
Qualities Needed for This Jobs
SYSTEM Software Testing H323 Systems CAN Engineering BS OPS Databases Production Computer Science Software Drive Testing BASIS WHO
Candidate Profile
BS or MS in Computer Science or related field
6+ Years Technical experience in software development/testing/devops
1 - 2 years of experience in leading complex software testing efforts for distributed systems
Hands-on experience on Linux/shell
Good at debugging on linux using logs and metrics
Familiar to various tools for managing and monitoring system resources, networks, processes
Familiar to deployments with sql/no-sql databases, service/process discovery, message-queues, configuration management, caching etc
Must be familiar to various common problems in sizing and scaling of systems
Experience in building systems/tools for performance/failover/fault-tolerance testing is a plus
Experience in working with atleast one of the communication/network protocols - e.g.: sip/h323/http
Coding/algorithms ( java/ruby/python/c++) to write test tools/frameworks is an added advantage.
Looking for B.E. / B.Tech graduates profile.
Company Profile
About Blue jeans network
Blue Jeans Network maintains a cloud-based video collaboration service that enables video conferencing using practically any device.
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More Information
Location Bangalore
Education B.E. / B.Tech
Experience 0 (yrs)
Industry Computers / IT
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