Sep 2011 – Oct 2013 · 2 yrs 1 mo · Bangalore · On-site

• PA based startup earlier known as Sonoa Systems is a Middleware Solution (SAAS) and Software
• Product provider. Apigee leads market, by providing customer with strategy and products for their
• enterprise to reach Million of users as successful Api providers.
• Primary components :
• Servicenet (Gateway), Analytics, Key Manager Subsystem, Developer Connect. Apigee Enterprise (Hybrid
• Version of Legacy product components and Hadoop Project Components : Released in August '12)
• Primary Responsibilities
• 1. Product Maintenance :
• Identify, Develop, Test and deliver product patches on issues reported internally or by the customer.
• 2. Feature Request :
• Technically defining and developing Features requested either by pre-sales team, Business analyst,
• Product Roadmap Items or by customer themselves.
• 3. Firefighting :
• Help Apigee’s support team incase of P1 (Production Down scenario) and guide them in resolving issues.
• Role involves actively involving with Customer Success team, Apigee Business Strategy, Api Evangelist
• through Apigee Free online services, Customers and an awesome Technical Gurus.
• Role required Advanced application of
• MapReduce, Distributed Programming and Execution Management (Apache Zookeper), JMS (Apache Qupid)
• NoSQL(Apache Cassandra), Functional programming, Java, Mirco Kernel Idealogy, Puppert, Mysql,
• Postgres, Play (Web framework), Java NIO and Socket programming, Ruby, perl, python, AWS SDK, Jmeter,
• XML, Linux, MacOS, XEN, Vmware & VirtualBox, Amazon EC2, Vm ESX 5.0 etc

Jul 2010 – Sep 2011 · 1 yr 2 mos · Gurugram, Haryana, India · On-site

• PolkomTel IN/NGIN SDP
• PolkomTel, is intended to migrate the IN and NGIN services which are already in use on Nokia’s mCreate
• platform to JAIN SLEE servers. As Nokia Siemens best understands the requirement of the PolkomTel. NSN
• took the role of migrating to the JAIN SLEE servers and is implementing its SDP and thus choose OpenCloud
• to act as SCP. There are many services which are categorized into UAN and NGIN services whereas all the
• services will be using some common modules which shall be deployed as SBBs. The clustered JAIN SLEE
• servers will work against the IMDB to get the subscription details and Timesten was chosen as the IMDB
• which gets its data synchronized with the Oracle database. The project also includes a provisioning layer
• (JEE) apart from the above Telco layer which takes the responsibilities of provision the subscribers for
• all the services.
• Technologies and languages applied Shell, PLSQL, JAVA, JainSlee, JPA, JTA, JCS, MemD, Hudson, Jenkins,
• Swagger, Oracle 10g, Oracle IMDB (Timesten), Jgroups, Eclipse, Emma Code Coverage, Junit, Apache Maven,
• ANT, JDO, Struts, Springs, AOP, java.util.concurrent*, OpenClound, VirtualBox, Groovy (as Project DSL),
• JMX, Jprofiler etc.
• Times Warner Cable (aka TWC), IPTV/Telephony Convergence
• IP Telephony/Social Networking Application Convergence of IMS Netwkork with Social Networking endpoints
• such as Facebook, Twitter, Google for status updates, publishing pictures, Instant Messaging and XMPP
• based chatting. Device (Set Top Box) integration with SOAP/SAAJ/Restful webservices.
• Integration of IMS call control and other telephony behavior with STB ( Set Top Box ) like B2B call setup,voice mail, chat, messaging, location services, call logs etc.
• OCCAS (aka Weblogic), Java, Ruby, perl, mysql, JSR 116, JSR 289, Sipservlets, EHcache, Distributed queues and topics (jms), maven, springs, etc.

Nov 2008 – Jul 2010 · 1 yr 8 mos

• ACONYX/IMX/SAS Prepaid
• The ACONYX Prepaid application is VOIP-based solution that offers a comprehensive feature set to allow
• Service Providers the ability to quickly deploy a complete prepaid service on both wireline and wireless
• networks. Played key role in all the major areas:
• Real-time national and international call rating.
• Role:
• Implemented Real time rating and Charging Engine converging rating components involving TDR (Time
• depending Rating), Switch Charges, ANI based charging, Termination based charging, Long Call Fee etc.
• Designed and Implemented web based Rate Provisioner Interface with architecture supporting pluggable
• rating components and validation. Proposed graphical representation and rating simulation to provision
• dynamic rateing plans (Design Under discussion).
• Charging framework for not only voice calls but also data services and multi-media sessions
• Role:
• Integrated Charging Engine with rating. Introduced transient charging model to overcome paradigms mismatch
• and provide dynamic charging facility for multiple concurrent session on the same account.
• Branded announcements with a customized Web portal.
• Role:
• Designed and Lead the implementation of multiple language and currency support for the media server using
• Adapter pattern.
• Achievements
• Employee of the Month September - October 2009
• Instant Appreciation Award January - February 2011
• Company Recognition and appreciation for innovative approach and productivity

Jun 2008 – Nov 2008 · 5 mos · Noida Area, India

May 2006 – Jul 2006 · 2 mos

• Summer trainee as per Engineering curriculum. Worked on understanding Voip, Mobile Communication Network Architecture and Cell spanning analysis. Designed and developed payload encryption and decryption module for payload transmitted over the network.
• Ratted excellent through-out the training period.