Profile image of dirisalagopal
Flag of India Khammam, India
Member since November 12, 2016
0 Recommendations


Online Offline
I worked as a senior software engineer with 6+ years experience. I did my MTECH in the Department of Computer Science Engineering, Indian Institute of Technology (IIT) , Guwahati, India, accredited to be one of the best technical and science institutes in India. Amazon Web Services: EC2, Load Balancers, RDS, Elastic Beanstalk, Elastic File System, IAM, VPC, Security Groups, Cloud Formation, Lambda, S3, CLoudFront, Redshift, Route 53, Cloud Watch, Kinesis, SNS, SQS, API Gateway and etc. Advertising Technologies: Facebook Graph API's, FB Website Custom Audience, FB Dynamic Product Ads, Real Time Bidding, Retargeting Ads. Programming Languages: C, C++, Java, Go Big Data Technologies: Spark, Kafka, Flume, Pig, Memsql, Aerospike, Redis, MemCache and etc. Miscellaneous: Algorithms, Data Structures, Distributed Systems, Operating Systems Databases: Oracle, MySQL, Operating Systems: Windows, Linux, Ubuntu and etc. Web Technologies: HTML, PHP Code Deployments: Puppet, Docker
$30 USD/hr
19 reviews
  • 95%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 9%Repeat Hire Rate


Recent Reviews


Senior Software Engineer

Mar 2016

Audience Data Management Environment: GO, Kinesis Firehose and Redshift, Project Description: Created audience data management system. It includes data partners integration, saving the user in-app activity data and user segmentation. Integrated with third party data partners like tune, adjust, appsflyer, mparticle and etc. Product Feed Crawling and Caching Environment: Java, Aerospike, S3 and SQS Project Description: Download parse advertiser specific product feed and then generate.

FBX WCA Integration

Oct 2014 - Dec 2014 (2 months)

Environment: Java, MySQL and Shell Script Project Description: Integrated FBX Website Custom Audience marketing channel. This allows us to target client Facebook ads to audiences of people who have visited client website/app and re-market to people who have expressed interest in client products. Through this channel, we are serving 5 million impressions per day with 50% profit margin.

RTB Platform Management

Sep 2014 - Dec 2015 (1 year)

Environment: AWS, Puppet and Debian Packaging Project Description: Create, manage, provision and update RTB resources (machines, disks, auto scaling groups, ELBs, security groups, NACLs, cloud watch alarms and etc.) using AWS cloud formation. Centralized management of RTB machines using puppet. Wrote custom puppet modules to configure machines and deploy code in those machines. Debianize RTB packages and setup a repository with HA support.

Senior Software Engineer

Jan 2014 - Mar 2016 (2 years)

1> Integration with ad exchanges like Facebook, Website Custom Audience (WCA), Rubicon, Google and etc.. 2> Caching techniques (memcache, redis, aerospike, bloom filter and etc.) to access data fastly. 3> Real time data propagation of bid logs using flume and kafka. 4> RTB user data cache optimization. 5> Intelligence bidding using machine learning algorithms like logistic regression, homing algorithms and etc.. 6> RTB infra stack creation using Amazon web services.

Database Porting on Linux-Sparc

Mar 2013 - Jul 2013 (4 months)

Environment: C, C++, Java Project Description: Linux on Sparc is a new platform. Right now, oracle database is not available on this. My objective is to bring the oracle database instance up on this new platform. In oracle database code, 80% is posix compliant, 18% is OS dependant(OSD), 2% is architecture specific. So, I have changed the platform (OS and architecture) specific code. The database instance is successfully ported on Linux-Sparc platform.

Member Technical Staff

Aug 2012 - Jan 2014 (1 year)

• Porting database platform dependant changes from one platform to other platforms (Linux, Solaris, Hpux and Aix) • Working on database Virtual Operating System layer. This layer deals with platform dependant services such as process management, memory management, inter process communication, disk i/o management, latching and error handling



2010 - 2012 (2 years)


  • Facebook Connected
  • Preferred Freelancer
  • Payment Verified
  • Phone Verified
  • Identity Verified
  • Email Verified

My Top Skills

Browse Similar Freelancers