Володимир

Volodymyr Oliinyk
Full-stack Software Developer

Contacts
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Location: Montréal, QC

Summary
Results-driven developer with 12+ years of hands-on experience designing and deploying scalable web applications using modern Java,
JavaScript/TypeScript, PHP, and Go stacks. Specialized in Node.js, Spring Boot, Laravel, Flutter+Go, MySQL and PostgreSQL, etc. With a
solid grasp of clean architecture and CI/CD best practices. Played an important role in developing SaaS platforms in health care and
education sectors, optimizing performance and user experience for products with over 50k users. I am responsible for planning, architecture,
writing code, using best practices, industry updates, and interacting with the team. Actively seeking impactful full-stack or backend in growth-
focused teams.

Skills
Languages: Go, PHP, Java, Python, Groovy, Dart, Scala, TypeScript, JavaScript, Bash, PowerShell, SQL
Frameworks & Libraries: Flutter, Gradle, Grails, Maven, Spring, Spring Boot, Laravel, Lumen, Symfony, CodeIgniter, CakePHP, Node.js,
LoopBack.js, React.js, Express.js, Vue.js, Webpack.js, Drupal, WordPress, Joomla, Swagger, OpenAPI, Electron.js, jQuery, Bootstrap,
OAuth 2.0, OpenID, JWT
Web & Markup Technologies: HTML, CSS, XML, XSLT, XSL-FO, JSON, YAML, Markdown, SVG, AJAX, WebSocket
Databases & Search: MySQL, PostgreSQL, Oracle Database, PL/SQL, MongoDB, Redis, Solr, NoSQL, PVCS, TOAD, ORM Frameworks
Architectures & Models: Microservices, SaaS, Monolith, Serverless, MVC, multithreading
Tools & Services: RabbitMQ, Azure Bicep, Azure API Management, Azure DevOps, Azure Data Factory, GCP, AWS, Kubernetes, API
Gateway, DevOps, OpenShift, Artifactory, Docker, LAMP, Git, SVN, GitFlow, GitHub, GitLab, Bitbucket, TeamCity, Jenkins, Vagrant, Shell
Script, Selenium, Mulesoft, Burp Suite, Postman, GraphQL, REST API, xDebug, Composer, npm, automated testing, Jira, Asana, Redmine,
Figma, Agile, Scrum, Kanban, Confluence, Google Webmaster Tools, Google Analytics, PageSpeed Insights, jetBrains IDEs, IntelliJ, VS
Code, SEO, Microsoft Office tools, Linux Environment, Windows Environment
Project domain: E-commerce, Education, Health case, Booking, Video-streaming, Call tracking, ERM, CRM, Contextual advertising, Car
dealers, Entertainment, Oil business

Experience
Software Developer
McGill University - one of Canada's leading research universities / Montreal, QC / 05.2023-05.2025
Worked as part of the central IT team supporting cross-departmental digital infrastructure for academic and administrative systems.
Developed 30 REST API applications to expand and optimize data exchange between different departments of the university, according to
the plan.
Migrated 7 critical REST API services to Microsoft Azure, improving performance, scalability, and system reliability.
Maintained and refactored 9 legacy REST APIs to ensure operational stability and long-term support.
Improved the volume and quality of data exchange between departments, increased the efficiency of interaction between employees,
teachers, and students.
Project domain: Education
Tech stack: Node.js, LoopBack.js, TypeScript, JavaScript, Java, Groovy, Gradle, Grails, Maven, Spring, Spring Boot, Oracle DB, PL SQL,
Azure Portal, Azure Data Factory, Azure API Management, Azure Blob Storage, OpenShift, Artifactory, REST API, OAuth 2.0, Microservice
architecture, Windows Environment, Security Best Practices, OWASP Top 10
Technical lead, Backend Software Developer
SoftServe - one of the largest IT companies providing software development and IT consulting services worldwide / 07.2021-04.2023
Worked as technical lead of the HR Marketing tech team, implementing SDLC best practices, developing new applications and supporting
legacy applications for 12k employees usage.
Created a new development team in the HR Marketing department. Began developing applications for the company's internal needs,
adhering to modern SDLС standards.
Developed 2 new applications for the company's 12k employees using the applications.
Conducted 3 legacy applications on the SDLC process, fixed vulnerabilities and improved performance.
Improved the internal email distribution system, improved employee information.
Improved quality of interaction between the HR Marketing department and all company employees, and tracking of interaction metrics.
Improved event ticket distribution and ticket scanning system, improved ticket processing performance and PDF ticket design
Project domain: ERM
Tech stack: Laravel, PHP, MySQL, JavaScript, TypeScript, Node.js, React.js, Redis, OAuth 2.0, Chart.js, WordPress, Azure DevOps,
Docker, Swagger, REST API, Microservice architecture, Linux Environment, Security Best Practices, OWASP Top 10
Full Stack Developer
Ademrius - A SaaS platform that automates patient registration, online recording, and electronic medical records for private clinics around the
world / 04.2020-06.2021
Worked as part of the main IT team developing and supporting an international SaaS health care platform.
Developed an international health care service based on microservice architecture, released the company's main product into production
according to plan.
Developed 4 new components for the local health care service, expanded the capabilities and convenience of interaction between patients
and doctors.
Optimized the project assembly algorithm when deploying to the server, increased deployment by 4 times.
Optimized the unit test launch algorithm, increased the test execution speed by 20 times.
Project domain: Health case
Tech stack: Laravel, Lumen, PHP, MySQL, PostgreSQL, Redis, Solr, Node.js, Vue.js, JavaScript, TypeScript, REST API, OAuth 2.0,
Microservice architecture, Docker, Nginx, Shell Script, Swagger, Linux Environment
Full Stack Developer
JetSoftPro - international IT company providing a full range of services in software development, IT consulting and digital transformation /
01.2019-03.2020
Worked as part of the main IT team developing clients SaaS solutions and supporting internal ERM system.
Developed a sports venue booking service, the client has a tool for their business, according to plan.
Developed REST API for a mobile application, the client use a mobile application to reserve sports venues.
Developed 7 new components for internal company ERM system, improved the interaction between the company's 80 employees.
Project domain: Health case, ERM, Entertainment, Booking
Tech stack: Laravel, MySQL, Nginx, Redis, Google FCM, MongoDB, Xamarin, Postman, PHP, WordPress, MySQL, HTML, CSS,
JavaScript, Node.js, Docker, Jenkins, REST API, OAuth 2.0, Microservice architecture, Linux Environment
Full Stack Developer
AgiliWay Group, Inc. - international IT company specializing in software development and IT consulting / 04.2017-10.2018
Worked as part of the main IT team developing clients SaaS, E-commerce solutions.
Developed 11 new components for client's ERM system, improved interaction between 3000 employees of the client's company.
Maintained entertainment website, improved the user experience of the company's customers.
Maintained car dealers websites, improved the user experience of the company's customers.
Maintained e-commerce websites, improved the user experience of the company's customers.
Project domain: ERM, E-commerce, Car dealers, Entertainment
Tech stack: PHP, Joomla, CodeIgniter, Drupal 7, MySQL, SAML SSO, CiviCRM, CRM, WordPress, HTML, CSS, JavaScript, Node.js,
Bootstrap, RoundCube, NextCloud, Facebook Workplace, Nginx, REST API, OAuth 2.0, Microservice architecture, Linux Environment
Full Stack Developer
i-Media - company specialized in digital marketing, SEO, contextual advertising and web analytics / 01.2015-11.2016
Worked as part of the main IT team developing the main company's digital solution for internet marketing tracking.
Developed a special interface to forecast the company's profit when changing tariffs for customers. It has become possible to forecast
profits, calculate tariffs and compare future profits with current ones.
Developed 10 new components of the call tracking web service, improved the quality of customer visit analytics for e-commerce platforms.
Supported 109 customer websites, improved security, improved search engine rankings, increased traffic to e-commerce platforms.
Сarried out the search engine optimization, increased the search results and customer inflow.
Project domain: call tracking, CRM, SEO, Contextual advertising, SMM & SERM, Web-sites development
Tech stack: PHP, Laravel, MySQL, HTML, CSS, JavaScript, Node.js, Vue.js, JavaScript, Redis, Queues, Chart.js, REST API, OAuth 2.0,
TeamCity, Vagrant, Google Speech-to-Text, Nginx, WordPress, SEO tools, Windows Environment
Full Stack Developer
SEO.UA - company which specializes in "white" SEO, contextual advertising, Internet marketing, offering website promotion, PPC, SMM, audit
/ 01.2014-11.2014
Worked as part of the main IT team developing clients websites.
Developed, tested, and deployed 22 Drupal-based websites, according to plan.
Developed 7 custom Drupal modules, expanded the possibilities of displaying content on the site.
Customized 22 Drupal themes, improved the user interface and the duration of the site's transition.
Сarried out the search engine optimization, increased the search results and customer inflow.
Project domain: SEO, Contextual advertising, SMM & SERM, Web-sites development
Tech stack: PHP, Drupal 7, MySQL, HTML, Bootstrap, CSS, JavaScript, SEO tools, Windows Environment

Education
Master of Computer Science
National Aviation University / Ukraine / 2005-2007
Master of Aerospace Engineering
National Aviation University / Ukraine / 2002-2008

Licenses & certifications
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