S

Sastry Sistla

VP of Engineering

New Delhi, Delhi, India21 yrs 4 mos experience
Highly Stable

Key Highlights

  • Proven leadership in managing development teams.
  • Expertise in building scalable applications using Java and Python.
  • Strong background in telecommunications and network reconciliation.
Stackforce AI infers this person is a Backend-heavy Software Engineer with extensive experience in Telecommunications and Software Development.

Contact

Skills

Core Skills

Analytical SkillsRelational DatabasesJavaPythonLeading Development TeamsProject ManagementSpring Cloud DataflowTechnical Project LeadershipDevops

Other Skills

Microsoft ExcelNetBeansSprint PlanningService-Level Agreements (SLA)PerlRESTful WebServicesNaming ConventionsCascading Style Sheets (CSS)Java APIRequirements GatheringMulti-Tenant ManagementTimelinesWorking with TenantsWiresharkServer Side

Experience

21 yrs 4 mos
Total Experience
3 yrs
Average Tenure
--
Current Experience

S&p global

Senior Technical Manager

Jun 2017Oct 2024 · 7 yrs 4 mos · Englewood, Colorado, United States

  • Refer to CV
Analytical SkillsRelational DatabasesMicrosoft ExcelNetBeansSprint PlanningService-Level Agreements (SLA)+36

Google

Senior Software Engineer (SETI TVC)

Feb 2017Jul 2017 · 5 mos · Mountain View, California, United States · On-site

  • develop test automation frameworks using Java, UI Automator Python and bash shell scripting, Test debug and automation for Android products

Apple

Senior Software Engineer

Nov 2016Feb 2017 · 3 mos · San Jose, California, United States · On-site

Comcast

Senior Lead Software Engineer

Nov 2013Nov 2016 · 3 yrs · Englewood, Colorado, United States · On-site

  • Netrec (Network Reconciliation) is an application that collects information from various systems like Billing (Amdocs and Vantage), Cisco BACC Switches (customer’s provisioned device information), Scout systems (polls for network devices), Huawei (Service Provisioning Systems for telephony devices), Ericsson Broadsoft (Commercial Telephonic feature like Ring count, call forward, etc.), Openwave systems (voice mail related information) and few other systems.
  • The Netrec system consists of separate applications which interface with each of the systems mentioned above and then reconciles the entire dataset and stores it a condensed form which can be consumed by other Application systems like Service Activation, Provisioning Verification, Fraud Check Service.
  • Architected existing Perl and shell scripting applications in Java. Brought down the processing times by 8 times, Spring Cloud DataFlow using Spring Boot wrote a custom tail source plugin thus contributed to Spring Source, Spring integration framework, channeling data through input/output/source pipes using Kafka messaging Queues, JPA and Hibernate frameworks, Microservices using Spring Boot, Spring MVC, Perl, PHP and Python scripts, datamining, regex, file modules, Design, architect network Element integrations, Review the SMOPS, code and work done from both onsite and offshore, Develop Frameworks to test (Load and Scalability) performance. DEVOPS, PUPPET, Ansible, Develop POCs (proof of concepts) and setup demos, Manage teams offsite, performing iteration planning, scrum and other administrative work, ETL tools, FACT and CoSort. Identify doubtful and compromised data, potential issues, provide RCA (Root Cause Analysis) and propose solutions, Maintenance legacy interfaces which cannot be migrated., technical support to the QA
  • ,Scala, apache spark tasks, Jenkins, CICD, Fluentd, collect fraud events from switches, event transforms into JSON, MongoDB Spring Boot, PCF and FluentD for observability/log aggregation
Leading Development TeamsPython (Programming Language)PHPProject ManagementPivotal Cloud Foundry (PCF)Java+3

Cisco

Senior Software Engineer

Jan 2010Oct 2013 · 3 yrs 9 mos · Denver, Colorado, United States · On-site

  • SME (Subscriber Management Engine) is a (PCRF) policy and Charging Rule Functionality tool in the Telecom domain. This works in conjunction with cisco network devices like SCEs (Service Control Engine), ISGs (Intelligent Service Gateway) etc. SME and QPS (The newer version of PCRF) pretty much do most of the things in Policy domain do everything from Subscriber Management to Policy and service management. This is an OSS/ BSS system that is used by large scale Telecom operators across the world
  • SME and QPS Policy Servers, conventional Java code f, Provide J2ee Functionalities through Spring Framework via dependency injections, aspects and point cuts, MDB, queue handlers, durable stateless and stateful beans
  • , Mongo DB and MySQLMemcached service, BASH Scripting, Python scripts and APIS and few Perl scripts, analyze packet captures, RESTFUL web services with Jersey Framework, SOAP based with Apache axis,
  • AAA communication protocols such as Radius, Diameter, CoA etc., Eclipse plugins framework. Eclipse RCP and OSGI, Support telecom Gaints like Reliance India, Zain Bahrain, STC Saudi Arabia, TEData Egypt,Maxis Malaysia, OPTUS Australia, Vodafone and all the great Telecoms around the world
Technical Project LeadershipDevOpsPHPEclipse RCPMongoDBGoogle Web Toolkit (GWT)+2

Aurora bank fsb

Senior Software Engineer

Dec 2005Dec 2009 · 4 yrs · Lone Tree, Colorado, United States · On-site

  • Developed new services, action scripts to display the DTOs. blaze data services, spring, Hibernate and JSF, web services, Ice faces Chart components, graphs, JSF components, hibernate queries to access the data from the database, Adobe FLEX, customized validation/ Converters classes and apply validation on the form fields, structured and synchronized code , Configured Persistence entities and written HQL and Native Queries in hibernate to process data, Use el expressions, integrate Quartz scheduler with JBOSS Seam, spring context and services files for inversion of control (IoC), aspect-oriented programming (AOP), creating DAOs ,JPA queries on the POJO beans for the entities, with the annotations specified, spring web-flow of application, PDF (Reportsmill) reports, Configured Guidewire ClaimCenter application code using Eclipse IDE, Developed python scripts on physical files for any bulk processing on physical files

Symbiosys technologies

Software Engineer

Apr 2003Dec 2005 · 2 yrs 8 mos · Visakhapatnam, Andhra Pradesh, India · On-site

  • A Bug Repository Tool is an application that keeps track of bugs found in the web applications developed in a software firm. Depending on the role of the employee the permissions to the repository are assigned.
  • Responsibilities:
  • Extensively write python scripts for Google client.
  • Developed JSP pages for dynamic HTML generation and for session management.
  • Developed and deployed EJB bean components.
  • Fixed several pending bugs and saved lot of money to the company.
  • Design/Develop enterprise applications, for internal production support group, using Java (J2EE) Design Patterns.

Education

University of Skövde

Master OF Computer Science Engineering — CSE

Jan 2005Present

JNTUH College of Engineering Hyderabad

Bachelor of Technology - BTech — Computer Science And Engineering

Jun 1999Apr 2003

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