💻 Igor Kolokolchykov Email & Phone Number

San Jose, California, United States

· Immediately after onboarding, all team members became unavailable due to the Covid-19 situation. Quickly jumped in and finished the migration by myself on time without breaking the deadline. (Java, Oracle, Kafka)· Implemented internal tool to manage snapshot YAML configs (Kotlin, Typescript, Angular, MongoDB)· Introduced Kotlin to the team· Fixed cyclic dependencies in a Java legacy project. Maven build time decreased three times from 20 to 7 minutes, memory consumption decreased two times from 18GB to 8GB. Made a presentation and knowledge transfer across other eBay teams.· Built MVP to automate data workflows (Airflow, Python, Jupyter Notebooks)· Team meta expert in metrics and monitoring (Apache Flink, Grafana, Prometheus)· Built a data pipeline with metrics for the AI/ML team. It allows reducing time to detect and time to recovery metrics of a whole Risk system by 10% (Apache Flink, Grafana, Prometheus)

Sunnyvale, California, United States

· Rework Chrome Extension for printing to Zebra label printers from JavaScript to TypeScript.(JavaScript, TypeScript, Jasmine, Karma, Protocol Buffers)

Greenwich, Connecticut, United States

Risk DepartmentResponsibilities and achievements:- Maintained, supported and improved internal Risk reporting and visualization portal (Java, JavaScript, AngularJS, Spring, Bootstrap, REST, Hibernate, MS SQL Server, Tableau)- Created more secure external Risk reporting and visualization portal (Java, JavaScript, AngularJS, Spring, Bootstrap, REST, Tableau)- Created Bloomberg TV like 3x100" interactive touchscreen visualization system for client demo and presentations (TypeScript, Ionic, T1V)- Automated manual daily business date update in Tableau workbooks. It saved at least one hour per day for a support person (JavaScript, AngularJS, Tableau)- Finished digital transformation of Excel reports generated by C# applications into Tableau powered web portal(C#, Java, Python, Tableau, MS SQL Server, REST, Exasol)- Integrated Risk applications with firm-wide data delivery services (C#, Java, Spring, REST, MS SQL Server)

Kraków Area, Poland

Project/Role description: Horizon is the next-generation Visualization Framework, providing innovative User Interface with its set of insightful, pre-designed Risk-focused Dashboards.Horizon allows decision makers to bring risk transparency to a new level; follow key risk indicators that are pertinent to their area of business across trading and banking. Imagine that in just 4 clicks, starting from the firm wide consolidated Market Risk exposure of the firm, you can drill-down into patterns and causes of a limit breach.Main responsibilities: Managing a team up to ten software developers. Implementation of functional and nonfunctional client requirements. Product improvements. Code review.http://luxofthorizon.com/http://www.luxoft.com/financial-services/risk-visualization-horizon/Video demonstration of application:https://www.youtube.com/watch?v=ZREbtTGRxaYhttps://www.youtube.com/watch?v=hvbS7-KKYBghttps://www.youtube.com/watch?v=0dvh75ByZHchttps://www.youtube.com/watch?v=aHnZDqr7EtkCustomers : Deloitte(http://www.deloitte.com/lu/strategic-optimisation-toolkit), Deloitte Anywealth (http://www.anywealth.lu/), Santander(In progress)Programming Languages: JavaFrameworks: GWT, Spring, HibernateTesting Frameworks: JUnit, GWTTestTechnologies: Doker, Apache Spark, HTML/CSS, XML, JSON, RESTIntegrated Development Environments (IDE): IntelliJ IDEAVersion Control Systems (VCS): Mercurial, GitBuild Automation Tools: MavenCI: TeamCity, BitBucketCompany employs: in Poland >1000 employees (Project team: 64 employees).

Dnepropetrovsk

Project/Role description: Exigen Knowledge Management Studio is a set of tools and technologies which utilizes structured knowledge gathering and codification techniques during all stages of IT-led business transformational projects, starting from valuation of investment into the project, to requirement gathering and validation, to scope control, to assured and accelerated implementation, to user acceptance and delivery, to measurement of delivered economic value. The following tasks can be performed using Exigen Knowledge Management Studio:- generating business analysis artifacts and SCRUM project artifacts- organizing cross-reference and search for these artifacts- visual editing of artifacts like diagrams, models and UI wireframes- building system-specific ontologies- importing information from customer's documents- re-using knowledge from other projects or general knowledge that is relevant- producing reports that are based on repository's knowledgeProgramming Languages: JavaFrameworks: Spring, HibernateTesting Frameworks: JUnitTechnologies: Lucene, Servlets/JSP, HTML/CSS, EasyMock, XML, JSON, Java Persistence APIIntegrated Development Environments (IDE): IntelliJ IDEAVersion Control Systems (VCS): Subversion, MercurialDatabases: MySQLBuild Automation Tools: MavenCI: Jenkins/Hudson, SonarMain responsibilities: Managing a team of three software developers. Implementation of functionaland nonfunctional client requirements. Code review.Company employs: 1340 employees (Project team: 40 employees).

Dnepropetrovsk

Project/Role description: Vipera™ is a leading provider of mobile financial services platforms. The Vipera platform provides the easiest, fastest, most cost-effective way to develop and operate mobile data services. Solutions powered by Vipera run today on more than 500,000 phones, on hundreds of mobile networks in many countries.Founded in 2005, Vipera has offices in Zurich, Milan, London and Dubai.Programming languages: Java, JavaScript/jQuery.Frameworks: Spring, JSF.Technologies: Servlets/JSP, HTML/CSS, JSON, XML, Web Services, SOAP. IDE: EclipseVersion control systems: Subversion.Databases: MySQL, OracleTesting: JUnitBuild tools: Maven, AntMain responsibilities: Development of server and client side of mobile financial services platforms. Customer support.Company employs: 20 employees.Personal achievements: Was put into operation a project for the Bank "First Islamic Bank" (Bangkok, Thailand). Implemented multiple SRS (Software Requirements Specification) from the main customers. Customized Request tracker for the needs of Help Desk. Launched a new and improved Help Desk system.

Dnepropetrovsk

Project/Role description: Wildec company was founded in 2002 in Ukraine. The company is specialized in development of social games and applications for mobile devicesProgramming languages: Java, JavaScript/jQueryFrameworks: Spring, Spring security.Technologies: Apache Lucene, Ehcache, Servlets/JSP, HTML/CSS, YouTube Data API, VKontakte API. IDE: IntelliJ IDEADatabases: MySQLMain responsibilities: Development of server and client side for shared compromising materials blogCompany employs: 20 employees.Personal achievements: Project was finished and gone to production.

Project/Role description: Development, implementation and maintenance of software for electronic banking «iBank 2 UA». Currently, the system «iBank 2 UA» is implemented andsuccessfully used in many Ukrainian banks (Raiffeisen Bank Aval, PJSC "Ukrsotsbank", UkrSibbank BNP Paribas Group, Swedbank and etc.).Programming languages: Java, JavaScript/ jQuery, customized Lisp.Frameworks: Java Server FacesIDE: IntelliJ IDEAVersion control systems: Subversion, Mercurial.Databases: Oracle, Sybase, MSSQL, Postgress.Основные обязанности: Implementation of new functionality to the system web-banking -«iBank 2 UA». Programming with Java Server Faces (Servlets / JSP + Java + JavaScript / jQuery + HTML / CSS). In development process are used such products as Tomcat (formerly Apache Geronimo), Apache Ant (formerly Maven), Subversion / Mercurial; Developing of a customized plug-Lisp language to IntelliJ IDEA. In development process are used such products as IntelliJ IDEA, JFlex, Mercurial; Setting up a night run GUI-test subversion system -«iBank 2 UA-». In development process are used such products as Apache Ant, SubversionCompany employs: 50 employeesPersonal achievements: Implemented new documents in the web-banking system. Implemented customized web-banking for UkrSibbank. Introduced new features into the system «iBank 2 UA» (implemented a new clients register that allows GUI customization and partially functional customization for bank employees. Implemented mechanism for saving settings when you exit the applet online, offline applications, implemented new documents and expanded functionality of existing). Fixed existing bugs in the system «iBank 2 UA».

Dnipropetrovsk Region, Ukraine