Vladimir Kravtsov

Bellevue, Washington
425-443-4502
vdkrav@hotmail.com

Career Summary
Primary expertise is design and development of commercial Java applications.

More than 20 years of experience offering strong software development skills, general management
skills and understanding of domain-specific user perspective.

For the past 15 years, has served in a Technical Team Lead capacity. Well accustomed to mentoring less
tenured developers, providing overall technical assistance and debugging other’s programs as needed.

Most recently worked closely with customers to gather functional and technical requirements, in
addition to software engineering responsibilities.

Technical strengths are Java, SQL, and Object-Oriented Design.

Industry experience includes HTML, JavaScript, Spring Boot, Hibernate, SQL Databases, Mongo DB, Web
and Client/Server Development.

Work Experience

Nortal LLC, Seattle WA 10/2020 – 03/2024

Senior Software Development Engineer
● Worked on two T-Mobile major projects, development technology is Agile, with two-week
Sprints, daily SCRUMs.
● Participated in design, development, and delivery of highly scalable and secured RESTful services
providing information for legal enforcement agencies.
● Participated in design, development, and delivery of highly scalable and secured RESTful service layer
between retailer store subscriber activation Web UI and core billing system.
● Identify opportunities for innovation and plan for continuous improvements in technology and
operations.
● Lead full scale performance test of subscriber activation layer with tuning Spring Boot and
Kubernetes configuration.
● Efficient in identifying and resolving data issues and bugs in Production environment.
OS: Linux, MacOS
Platforms/DBMS: Spring Boot, J2EE, JPA, Spring Security, PostgreSQL, Liquibase, Kubernetes, Docker,
Kafka Streams
Languages: Java, SQL, Shell Scripting
IDE/Building/Repo Tools: IntelliJ, GIT, Maven, Gradle

Expedia Group, Seattle WA 07/2020 – 08/2020

Software Development Engineer (contract from Solution IT)
● Worked in the Virtual Agent Team, Development technology is Agile, with two-week Sprints,
daily SCRUMs.
● Designed and developed RESTful services for Virtual Agent support.
OS: Linux, MacOS
Platforms/DBMS: Spring Boot, J2EE, JPA, Spring Boot, AWS, Docker, DynamoDB
Languages: Java, SQL, Kotlin, Shell Scripting
IDE/Building/Repo Tools: IntelliJ, GIT, Maven, Gradle

Expedia Group, Seattle WA 10/2019 – 04/2020

Software Development Engineer (contract from Summit Group Solutions) 
● Worked in the Fulfillment Management Team, Development technology is Agile, with two-week
Sprints, daily SCRUMs, and regular retrospectives.
● Designed and developed Transactional Bridge - message processing system of general purpose
that prepares messages for General Ledger.
● Developed a fulfillment messaging system that processed purchase orders.
OS: Linux, MacOS
Platforms/DBMS: AWS, Docker, Spring Boot, DynamoDB
Languages: Java, Shell Scripting
IDE/Building/Repo Tools: IntelliJ, GIT, Maven, Gradle

Microsoft, Redmond WA /2018 – 08/2019

Software Development Engineer (contract from Aptly Technology) 
● Worked in the Universal Store Team, Development technology is Agile, with two-week Sprints,
daily SCRUMs, and regular retrospectives.
● Developed RESTful services for processing customer purchase orders.
OS: Windows 10
Platforms/DBMS: .NET, Cosmos
Languages: C#, Power Shell
IDE/Building/Repo Tools: Visual Studio, GIT, Maven

AOL Platform, Seattle WA 05/2016 – 11/2017

Senior Software Development Engineer
● Worked in the Video Demand Team, Development technology is Agile, with two-week Sprints,
daily SCRUMs, and regular retrospectives.
● Developed server application that resolves in real time client requests for advertisement
selection. High performance system with event-driven concurrency.
OS: Linux, MacOS
Platforms/DBMS: AWS, Tomcat, J2EE, JPA, Spring Boot, MySQL, Oracle
Languages: C++, Scala, Java, Shell Scripting, SQL
IDE/Building/Repo Tools: Eclipse, IntelliJ, GIT, Maven, Gradle, Gerrit, Jenkins

Amazon Inc., Seattle WA (contract from Harvey Nash)  05/2015 – 04/2016

Software Development Engineer
● Worked in the General Ledger Message Processing Team, Financial Ledger & Accounting
Systems Department. Development technology is Agile, with two-week Sprints, daily SCRUMs,
regular retrospectives.
 ● Developed and maintained a system that converts business events into General Ledger records.
Performed on-boarding of more than a dozen new business projects.
OS: Linux
Languages: Java
IDE/Building/Repo Tools: Eclipse, Brazil, GIT, Apollo

Staples Inc., Seattle WA (contract from Protingent) 08/2014 – 04/2015

Software Development Engineer
● Worked in the Search Team of Web Development Department. Development technology is
Agile, with two-week Sprints, daily SCRUMs, regular retrospectives, and JIRA as a supportive
tool.
● Designed and developed Search Engine aggregating server that provides search functionality for
Staples.com online shop. Web development framework is JSP. Server layer is built with Spring
Integration, Hibernate, RESTful services and other Java frameworks.
Platforms/DBMS: Tomcat, J2EE, JPA, DB2, MongoDB.
OS: Linux, MacOS
Languages: Java, JavaScript.
IDE/Building/Repo Tools: Eclipse, Maven, GIT

Agilysys Inc., Bellevue WA (contract from Triad Group)  11/2013 – 05/2014

Software Development Engineer
● Worked in Hospitality Solutions Group. Development technology is Agile, with two-week Sprints,
daily SCRUMs, regular retrospectives, and JIRA as a supportive tool.
● Designed and developed Supplier onboarding and eProcurement solution. Web development
framework is Wicket complemented by extensive use of JavaScript libraries (JQuery, TableData,
tinyMCE, various graphic libraries) and Bootstrap framework. Server layer is built with
Hibernate, Lucene indexing, Quartz scheduling, Java multithreading, RESTful services and other
Java frameworks.
Platforms/DBMS: Jetty, SQL Server, Lucene.
OS: Windows 7
Languages: Java, SQL, JavaScript, Shell Scripting
IDE/Building/Repo Tools: NetBeans, Maven, GIT

Airbiquity Inc., Seattle WA (contract from Triad Group)  10/2012 – 09/2013

Software Development Engineer in Test
● Worked in Commercial Software development division.
● Designed and developed Cloud Test Automation tool for functional and performance testing of
large set of Web Services that are designated for Web and Smart Phone clients.
Platforms/DBMS: Tomcat, JBoss, MySQL.
OS: Windows XP, Linux
Languages: Java, SQL.
IDE/ Building/Repo Tools: Eclipse, Ant, GIT

TeleComminucation Systems Inc., Seattle WA 11/2009 – 05/2012

Senior Software Engineer
● Worked in Commercial Software development division.
 ● Designed and developed Traffic Data Aggregating server using wide variety of Java technologies
(Wicket, Spring, Jersey, JPA, XML, JDBC, multithreading), PostgreSQL, Terracotta data sharing
server, and RESTful web services.
● Designed and developed Traffic Notification server that provides real-time traffic information to
smartphone based navigational application.
Platforms/DBMS: Jetty, PostgreSQL.
OS: Windows XP, Linux
Languages: Java, SQL.
IDE/ Building/Repo Tools: Eclipse, Maven, Perforce/Subversion

Boeing, Everett WA (contract from Insight Global)  1/2009 – 10/2009

Java Developer
● Developed Cabin Systems Loadable Software Web applications using wide variety of Java
technologies (Spring, Hibernate, XML, JDBC) and Oracle SQL.
● Agile methodologies are used in development.
Platforms: OC4J, Oracle 10.
Languages: Java, SQL (Oracle).
OS: Windows XP, Linux
IDE/ Building/Repo Tools: Eclipse, Ant, Subversion

Atrinsic, Seattle WA 1/2008 –12/2008

Java Developer
● Provided maintenance, support, and development for Aggregating and Billing Application server
using wide variety of Java technologies (Spring, Hibernate, EJB, JSP/Servlets, XML, SOAP, JMX,
JDBC) and SQL.
● Communications of Aggregating system with partners are performed through variety of web
service approaches including Restful services and SOAP.
Platforms: Tomcat, Oracle 10.
Languages: Java , SQL (Oracle), K shell.
OS: Windows XP, Linux.
IDE/ Building/Repo Tools: Eclipse, Ant, Subversion

Western Wireless (later acquired by Alltel then by Verizon), Seattle WA

6/2003 – 12/2007
Software Developer
● Provided maintenance, support, and development for Billing Web applications (online billing for
wireless customers) using wide variety of Java technologies (EJB, JSP/Servlets, Struts, XML,
SOAP, Spring, Hibernate), C, and SQL.
● Developed Application server with EJB technology and with extensive use of XML in messaging
requests to billing core engine.
● Developed Web server using Struts and JSP/Servlets.
Platforms: WebLogic 8.1, Oracle 9.
Languages: Java, SQL (Oracle), C.
OS: Windows 2000, HP-UX.

Education
Joint Institute for Nuclear Research, Dubna, Russia
● PhD in Computational Mathematics
Moscow State University, Moscow, Russia
● MS in Physics

Coursera
● Functional Programming Principles in Scala - an online non-credit course authorized by École
Polytechnique Fédérale de Lausanne