Name: Olga Coskun
Nationality: Russian
Address: Istanbul, Turkey
Name: Olga Coskun
Nationality: Russian
Address: Istanbul, Turkey
Ruby / Ruby on Rails: MVC, OOP, REST, SOLID, Code Style, RSpec, Minitest
Microservices: API, JSON, JWT, Swagger, Interactors, Serializers, Dry-rb, Postman, Sidekiq
Front end: HTML5, CSS3, Bootstrap, Skeleton, JavaScript
SQL: PostgreSQL
Git
DevOps: VDS, Capistrano, NGINX, Passenger, DigitalOcean, Heroku, Cloudinary, Docker, Kubernetes
Linux: Ubuntu
Others: XML, Python, Pascal
November 2024. "All about cryptocurrencies (BTC, ETH, DOGE, NFT)" (certificate), "stepic.org"
October 2023. "Learn 'Em All (English; 12 Tenses of English is simple)" (certificate), "stepic.org"
July 2023. "Kubernetes для пользователей" (certificate), "stepic.org"
July 2023. "Docker для начинающих + практический опыт" (certificate), "stepic.org"
July 2023. "Анализ безопасности веб-проектов" (certificate), "stepic.org"
May 2023. Course "QA Postman API" (certificate), "stepic.org"
February 2022. Томский политехнический университет", "Томография: увидеть невидимое".
September 2021. Свидетельство "Школа Нервно-мышечных болезней им. Б.М. Гехта", "Школа Нервно-мышечных болезней им. Б.М. Гехта".
August 2019. Course "Divide and Conquer, Sorting and Searching, and Randomized Algorithms", "Stanford University".
July 2019. Course "Verb Tenses and Passives", "University of California Irvine Extension".
June 2019. Course "Perfect Tenses and Modals", "University of California Irvine Extension".
March 2019. Course "Rails with Active Record and Action Pack", "John Hopkins University".
March 2019. Course "Ruby on Rails: An Introduction", "John Hopkins University".
January — June 2018. Course "Ruby on Rails crash course", "Good Programmer".
December 2017 — January 2018. Course "Ruby on Rails development"(certificate), INTUIT National Open University.
January 2018. Course "English" (certificate), NTUIT National Open University.
August 2017. Course "Ruby Tutorial course" (certificate), "SOLOLEARN".
October 2016. Course "Javascript. Level 1. Web-Development fundamentals" (certificate), "Computer Training Center at Bauman Moscow State Technical University".
August 2016. Course "HTML and CSS. Level 1. Creation of sites in HTML5 and CSS3" (certificate), "Computer Training Center at Bauman Moscow State Technical University".
August 2016. Course "HTML Fundamentls course" (certificate), "SOLOLEARN"
Julay 2016. Course "Python Development" (certificate), "stepic.org"
February 2013. Exam from Microsoft. "Microsoft Dynamics NAV 2009 Applications for Microsoft Dynamics NAV 2009 (certificate)
February 2013. Exam from Microsoft. "Microsoft Dynamics NAV 2009 Warehouse Management (certificate)
February 2013. Exam from Microsoft. "Microsoft Dynamics NAV 2009 Manufacturing (certificate)
January 2013. Exam from Microsoft. "Microsoft Dynamics NAV 2009 Trade and Inventory (certificate)
February 2013. Exam from Microsoft. "Microsoft Dynamics NAV 2009 Core Setup and Finance (certificate)
December 2010. Course "M2780 Maintaining a Microsoft SQL Server 2005 Database" (certificate), "Computer Training Center at Bauman Moscow State Technical University".
December 2006. Course "Microsoft Windows 2000 Network & Operating System Essentials" (certificate), "Computer Training Center at Bauman Moscow State Technical University".
Ruby on Rails developer
June 2021 -May 2022
Medical clinic. USA. Remote.
Improvement of functionality at the request of the customer.
Writing capybara tests.
Localization of the application into other languages.
Bug fixes.
Integration with external services.
Working with the protocol HL7.
Ruby on Rails developer
Mart 2021 - June 2021
Siri. Moscow. Remote.
I created new microservice, also improved and developed others.
In my work I used API, JSON, JWT, Swagger, Interactors, Serializers, Dry-rb, Postman, AASM, Sidekiq, Kubernetes.
Full stack developer
Mart 2020 - February 2021
Medical clinic. Moscow. Remote.
I built application from zero. The application for patient's appointments. Admin part used for doctors. There are special schedule for every doctor. Separate offices for doctors. Loading documents. Notices for doctors and patients.
Frontend - bootstrap, js.
Backend - Ruby on Rails.
I made all settings and deploy VDS hosting, cloud storage.
I used Cron for background tasks.
Rspec tests, user's support.
Ruby on Rails developer
September 2019 - February 2020
Internet market. Moscow. Remote.
Localization of the application into Turkish.
Covering the application with tests.
Perform other tasks as requested by the customer.
Fix bugs.
Consultant of Axapta and Navision
May 2012 - January 2014.
Columbus IT Partner Russia. Moscow, Russia.
NAV 5 - support users of Company "Royal Canin"(The food for dogs and cats): Finance, logistic, warehouse, user's
Settings, create user's manuals, teaching
AX 2009 - support users of food-retail for 2 supermarkets "SPAR", "Partner": logistic, warehouse, user's settings, create
User's manuals, technical tasks for programming, AOT, testing jobs.
Consultant of Navision
December 2011 - May 2012.
Impact-soft. Moscow, Russia.
Assistance in the technical specifications Development
Customer training
Setup program for the client
Consultant of Navision
May 2008 - December 2011.
SIM-Yaroslavl -(official mark MAZDA, RENAUTL, SUZUKI, HYUNDAI). Yaroslavl, Russia.
Administration of MS Navision
Setting up User Rights in the operating environment and specialized software
Staff training and implementation of control measures
Maintain continuous operation of servers and workstations
Manage contracts for telecommunications network, the Internet and printers
Finance Manager
January 2007 - January 2008.
Czech Insurance Company, Yaroslavl, Russia.
Provide financial support nat. persons
Life Insurance
Advising on Pensions
Medical Insurance
Children and Family Insuranc.
Address issues related to the protection and promotion of family.
Loan officer
January 2005 - January 2007.
Home Credit and Finance bank. Kostroma, Russia.
Consumer lending nat. persons
Advise clients on banking products
Introduce banking services
Arrange loans for goods, credit or cash
Plastic cards
Shop manager
January 2004 - January 2005.
Computer's shop. Kostroma, Russia.
Advise clients on the purchase computer and office technology
Maintain documentation of sales; work with databases
Negotiate with suppliers for the supply of items
Credits from banks
Build/set up new computers, install operating systems/software; warranty service/repair.
Administration gaming and Internet servers
Communications Dept. Manager
January 2003 - January 2004.
Internet and phone company. Kostroma, Russia.
Prepare contracts for communication services
Advise clients on available services
Advise on Internet & IP-telephony settings
Maintain clients & communication services database
Interact with government organizations
Kostroma State University, 1999 – 2004.
Academy, Faculty of Economics.
Obtained diploma of higher education in Management(Master Degree).
Russian - native
English - Intermediate(fluent)
Turkish - B1.
