Sergey Tyan
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Sergey Tyan Email & Phone Number

Sr. Java Software Engineer
Location: Tashkent, Uzbekistan, Uzbekistan 6 work roles 1 school
1 work email found @paypal.com LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 86%

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Work email s****@paypal.com
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Role
Sr. Java Software Engineer
Location
Tashkent, Uzbekistan, Uzbekistan

Who is Sergey Tyan? Overview

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Quick answer

Sergey Tyan is listed as Sr. Java Software Engineer based in Tashkent, Uzbekistan, Uzbekistan. AeroLeads shows a work email signal at paypal.com and a matched LinkedIn profile for Sergey Tyan.

Sergey Tyan previously worked as Senior Java Software Engineer at Paypal and Java Developer at Cisco. Sergey Tyan holds Master’S Degree, Computer Science from Tashkent University Of Information Technologies.

Company email context

Email format at paypal.com

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{first_initial}{last}@paypal.com
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AeroLeads found 1 current-domain work email signal for Sergey Tyan. Compare company email patterns before reaching out.

Profile bio

About Sergey Tyan

• Over ten years of experience in software development and two years of experience in a managerial position. • Strong computer science fundamentals in algorithms and data structures • Strong technical hands-on experience in Java and Reporting system • Extensive experience in developing payment, e-commerce and microfinance system • Strong technical hands-on experience in RESTFul services, SOA • Solid background in SOLID, Object-Oriented analysis and design GoF, DDD • Perfect understanding of Software Development Life Cycle (SDLC) • Strong analytical, problem-solving skills and technical troubleshooting • Hands-on experience in developed technical documentation for the effective integration of new and existing clients • Experience working in an Agile/Iterative-style development group • Excellent knowledge and professional experience of systems administrating, network/application security and its implementation, computer hardware troubleshooting

Listed skills include Java Enterprise Edition, Json, Jsf, Xml, and 32 others.

6 roles

Sergey Tyan work experience

A career timeline built from the work history available for this profile.

Senior Java Software Engineer

Paypal

San Jose, CA, US

  • Took an active part in the development and implementation of services such as Paypal Rewards and Paypal Savings, attracting additional users and expanding payment options.
  • Collaborated on projects to enhance service responsiveness during payments.
  • Analyzed user requirements to define site objectives and envision system features.
  • Identified production and non-production application issues.
  • Transformed requirements into actionable specifications.
Jun 2017 - Mar 2024

Java Developer

Cisco

San Jose, CA, US

  • Designed and developed RESTFul services, SOA
  • Design and develop indexing data from database into Elastic Search functionality.
  • Design and develop custom compiler for automation testing framework.
  • Developed unit test cases and integration tests.
  • Moved business logic from stored procedures to Java side.
May 2015 - May 2017

Software Developer / Java

Paypal

San Jose, CA, US

  • Transferring old project developed in C ++ on a new project developed on Java, monitor and change business logic in the case of behavior other than C ++ in Linux environment.
  • Maintained an automated test suite in Java to test the new functionality.
  • Analyze code to find causes of errors and revise programs as needed.
  • I worked with Jenkins for create and build deploy it on a dedicated server for testing. As testing tools used an internal tool PayPal, which included JUnit, TestNG.
Oct 2014 - Feb 2015

Java Developer

Qiwi

Москва, RU

  • Participated in all phases of software lifecycle including: user-requirement analysis, high / low-level software design, and development of UI with interface to an Oracle database.
  • Responsibility for code refactoring, identify bugs in the system, fix the detected errors
  • Was also involved in the debugging of the previously developed applications
  • Maintained an automated functional test suite to test the above functionality.
  • Developed reporting system for corporate customers, made changes to existing.
May 2011 - Jul 2013

Java Developer

Osmp-Uz (Qiwi)

Москва, RU

  • Architect the workflow of the whole project using various design patterns
  • Developed of individual modules payment gateways with mobile operators and Internet service providers (MTS, Beeline, Ucell)
  • Was a daily reconciliation with our company agents (more than 5000 agents) and providers (over 20 providers)
  • Developed of reporting systems for the commercial department and accounts department
  • The responsibilities included the development and support of the corporate site
  • Implementing Google Analytics in corporate web site for marketing department.
Mar 2007 - May 2010

Java Developer / Intership

Povver Qube
  • Developed of the micro finance system and adjustment to the needs of customers
  • Created a module to import data into the database and its maintenance
  • Establishing JDBC connection using database connection pool
  • Developed XSLT stylesheets for transformation on XML objects.
Sep 2006 - Mar 2007
1 education record

Sergey Tyan education

  • Tashkent University Of Information Technologies
    Tashkent University Of Information Technologies
    Computer Science
FAQ

Frequently asked questions about Sergey Tyan

Quick answers generated from the profile data available on this page.

What is Sergey Tyan's role at their current company?

Sergey Tyan is listed as Sr. Java Software Engineer.

What is Sergey Tyan's email address?

AeroLeads has found 1 work email signal at @paypal.com for Sergey Tyan.

Where is Sergey Tyan based?

Sergey Tyan is based in Tashkent, Uzbekistan, Uzbekistan.

What companies has Sergey Tyan worked for?

Sergey Tyan has worked for Paypal, Cisco, Qiwi, Osmp-Uz (Qiwi), and Povver Qube.

How can I contact Sergey Tyan?

You can use AeroLeads to view verified contact signals for Sergey Tyan, including work email, phone, and LinkedIn data when available.

What schools did Sergey Tyan attend?

Sergey Tyan holds Master’S Degree, Computer Science from Tashkent University Of Information Technologies.

What skills is Sergey Tyan known for?

Sergey Tyan is listed with skills including Java Enterprise Edition, Json, Jsf, Xml, Testng, Jasper Reports, Maven, and Html.

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