Contact

Education

850-***-****

Phone

ad35ma@r.postjobfree.com

Email

**** ****** *****, *********

Address

Oleksandr Gryn

J a v a D e v e l o p e r

Java Developer with versatile experience in Software Development, QA automation, Build/Release engineering and Power Engineering. Worked in Telecom, Energy and Robotic warehouse industries. Started my career as a Power System Engineer at a private energy company that operated in the industrial power market implementing solutions based on equipment from ABB, Siemens, Schneider Electric, etc.. Came to IT as QA engineer for energy project testing industrial SCADA system that operated multiple power plants and numerous consumers in the US, switched to oil and gas industry with similar SCADA system in charge. Later became a QA automation engineer (C#) at robotics warehouse project, switched to Java Automation for international telecom operator, spent some time as release build engineer and moved to Java development. As Software engineer was responsible for extending the existing cloud management application implementing software solutions and keeping the code clean, efficient, readable and scalable. Experience

Service Orchestration software for worldwide telecom operator that supports orchestration of end-to-end services and network slices. Developed as a cloud native application from its very first release by adhering to Microservices architecture. All components were containerized and deployed on a CaaS platform. My responsibilities: design and implement API interfaces

follow best practices to maintain clean, efficient and readable code cover code with unit and integration test cases

debug and troubleshoot issues that appeared during development process maintain documentation

build and deploy microservices in Kubernetes to verify my code share experience inside the team by providing KT sessions refactor existing code, move from one library to another, merge repositories develop skills and gain experience in AWS, K8s, Groovy Technologies: Java 8-17, Spring Core, Spring Boot, Hibernate, RESTful, SOAP, OpenApi, K8s, Docker, Helm, Maven, Jenkins, Kafka, Git, Gerrit Cloud Manager software for telecom industry that enables ISP operators and enterprises to manage Network Functions Virtualization (NFV) services and IT workloads in a more efficient manner. Key features: provides an integrated platform for managing life cycle of NFV and IT workloads, operates in a geographically distributed cloud infrastructure, enables secure and hierarchical multi-tenancy, provides a secure GUI and open APIs for all management services, works with standards-based templates and descriptors and many more. My responsibilities:

expand test coverage by creating new test cases

refactor existing test cases

analyze daily regression runs and identify the problems that appeared fix issues if obvious or raise tickets against responsible dev teams evaluate the quality of the build and make decisions on commit reverts if needed release new builds after successful regression runs branch out from dev branch during release sprints

control the flow of commits into release branch

daily reports to management on existing status of the product (builds) Technologies: Java 8, Groovy, Spring Boot, Spring Cloud, JUnit, Hibernate, Maven, AWS, K8s, Jenkins, Swagger

Powered robotic technology platform in warehouse automation industry that changes the way consumer goods move through the supply chain. Intelligent software orchestrates advanced robots in a high-density, end-to-end system increasing efficiency, speed and flexibility. Worked on a part of the platform that was responsible for configuration and template storage throughout the whole ecosystem supporting multiple customers, their specific versions of hardware equipment and software versions. My responsibilities: Java Software Engineer

Java QA Automation Engineer / TestOps

QA Automation Engineer

03.2019 - present (4y10mo)

06.2018 - 02.2019 (9mo)

11.2016 - 05.2018 (1y7mo)

Globallogic

Globallogic

Globallogic

National Technical University of Ukraine

NTUU KPI

Master's Degree

2003-2009

Spring

K8s

Maven

Java

CI/CD

Hibernate

English

Ukrainian

russian

Expertise

Language

Ukrainian

Nationality

Docker

Git

Power Engineering and Automatics

Faculty

setup Jenkins projects

unit/integration test cases creation

running integration tests in Docker

build and store Docker images

build MSI packages using WIX Toolset

test Environment maintenance and support

perform Scrum Master role

defects identification, localization, reporting and retest product demo presentation

create product documentation

Technologies: ASP.NET MVC Core 2.0.0 on .NET Core 2.0.0, xUnit, Swashbuckle.AspNetCore 1.0.0, HATEOAS, Linux CentOS 7 x64, Docker, REST and modular architecture

Finely integrated suite of applications for planning, monitoring, and controlling liquid and gas pipelines in oil and gas industry (SCADA). My responsibilities:

create new and update existing test cases

execute test suites and analyze results

identify, localize, report and retest defects

maintain and support test environments

communicate with customer and developers

train and support newcomers

Technologies: Windows Servers 2003/2008, Red Hat Linux, e-terra products, Tech Excel DevSuite (DevTest, DevTrack), SVN, Skytap Cloud, vCloud, Oracle server, TFS, Visual Studio, JIRA Test Designer

11.2013 - 10.2016 (3 years)

Luxoft

Global leader in the world of power generation, power transmission and rail infrastructure. Being one of the products SCADA is able to control industrial power generation/transmission and oil and gas pipelines. My responsibilities: create and update test cases

execute tests and analyze result

defects identification, localization, reporting and retest test environment maintenance and support

Technologies: Windows Servers 2003/2008, Red Hat Linux, e-terra products, Tech Excel DevSuite (DevTest, DevTrack), SVN, Skytap Cloud, vCloud, Oracle server, TFS, Visual Studio, JIRA Power Systems Engineer

03.2013 - 10.2013 (8mo)

Luxoft

Responsibilities:

perform technical drawings (electric schemes of protection and automatics, mounting schemes) using MS Visio and AutoCad install, test and adjust protection and automated devices analyze and correct technical documentation

programming different microprocessor relay devices translate documents

search and purchase equipment

Technologies: MS Office, MS Visio, AutoCad, ElectroCad Power Engineer, Project Engineer

08.2010 - 02.2013 (2y7mo)

Eknis Ukraine

Responsibilities:

invoice processing

products photographing

website supporting

business correspondence with supplier

exhibitions design

taking product pictures

Technologies: Photoshop, CorelDRAW, Adobe Illustrator, MS Office, MS Visio Marketing expert, Advertising Designer, Catalogue Designer, Photographer, website admin 01.2009 - 07.2010 (1y7mo)

Prof1Group

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