I'm a full-stack developer and IT specialist with 20+ years of experience in frontend, backend, and digital marketing. I’ve led projects end-to-end, combining clean architecture, practical coding, and business insight. My recent focus is backend development with .NET (C#), supported by an internship at Microsoft Ireland. I bridge tech and strategy — from building scalable APIs to improving SEO and running campaigns. I take a systematic, research-driven approach and deliver reliable, value-focused solutions. **Employment and project experience** **Full-stack Developer** O’Asis Synergy Ltd, Dublin, Ireland _February 2025 – Present_ **Software Engineer Intern** Microsoft (Identity Division), Dublin, Ireland _December 2022 – December 2024_ **Lead Web Developer & Digital Marketing Manager** VVV-SPETSTEKHNIKA, Kherson, Ukraine _February 2008 – March 2022_…

Liubov Dudnichenko

I'm a full-stack developer and IT specialist with 20+ years of experience in frontend, backend, and digital marketing. I’ve led projects end-to-end, combining clean architecture, practical coding, and business insight. My recent focus is backend development with .NET (C#), supported by an internship at Microsoft Ireland. I bridge tech and strategy — from building scalable APIs to improving SEO and running campaigns. I take a systematic, research-driven approach and deliver reliable, value-focused solutions. **Employment and project experience** **Full-stack Developer** O’Asis Synergy Ltd, Dublin, Ireland _February 2025 – Present_ **Software Engineer Intern** Microsoft (Identity Division), Dublin, Ireland _December 2022 – December 2024_ **Lead Web Developer & Digital Marketing Manager** VVV-SPETSTEKHNIKA, Kherson, Ukraine _February 2008 – March 2022_…

Available to hire

I’m a full-stack developer and IT specialist with 20+ years of experience in frontend, backend, and digital marketing. I’ve led projects end-to-end, combining clean architecture, practical coding, and business insight. My recent focus is backend development with .NET (C#), supported by an internship at Microsoft Ireland.

I bridge tech and strategy — from building scalable APIs to improving SEO and running campaigns. I take a systematic, research-driven approach and deliver reliable, value-focused solutions.

Employment and project experience

Full-stack Developer O’Asis Synergy Ltd, Dublin, Ireland
February 2025 – Present

Software Engineer Intern Microsoft (Identity Division), Dublin, Ireland
December 2022 – December 2024

Lead Web Developer & Digital Marketing Manager VVV-SPETSTEKHNIKA, Kherson, Ukraine
February 2008 – March 2022

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Skills

Experience Level

HTML5
Expert
JavaScript
Expert
C#
Expert
CSS
Expert
React JS
Expert
Vue.js
Expert
.NET
Expert
SQL
Expert
Django
Expert
GitHub
Expert
Azure
Intermediate
Docker
Intermediate
SEO
Intermediate
Figma
Intermediate
Google Ads
Intermediate
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Language

English
Fluent
Russian
Fluent
Ukrainian
Fluent

Work Experience

Full Stack Developer at O’Asis Synergy Ltd
February 1, 2025 - Present
Leading and actively contributing to the development of the company’s main website and other digital assets using Vue 3, Nuxt, React, HTML, CSS, and JavaScript, deployed via Vercel. Managing Git repositories, domain/DNS, business email systems, Google Tag Manager, and digital campaign tools. Applying SEO best practices and integrating analytics for performance and user behavior insights. Developing and deploying backend services using C#, .NET, Entity Framework, SQL, and REST APIs. Using Docker and Render to containerize and deploy backend services efficiently.
Software Engineer Intern (Authentication Experience and Data Teams) at Microsoft
December 31, 2024 - July 10, 2025
Designed and developed product features using C# and React to improve customer experience, working in a real IIS environment for accurate testing and deployment. Created technical documentation including specifications, use cases, and data flow diagrams. Developed data aggregation pipelines for analytics on user authentication experience, enabling partners to improve workflow by removing bottlenecks. Improved read/write operations for the Skype team by implementing partitioning, enhancing parallelization and reducing job performance time by up to 50%. Streamlined internal SharePoint documentation, reducing queries and improving self-service.
Lead Web Developer and Digital Marketing Manager at VVV-SPETSTEKHNIKA
February 3, 2008 - March 10, 2022
Led strategy and development of 3 corporate websites and marketplace pages including logic planning, tech stack selection, hosting, and third-party coordination. Implemented front-end development using HTML, CSS, and JavaScript with CMSs like Joomla and Drupal. Managed full redesigns improving UX and increasing user retention by 40%. Directed SEO and Google AdWords campaigns with a $50K annual budget, reducing CPC by 30% and increasing CTR to 5.5%. Created marketing assets yielding 60% growth in organic traffic and top 3 SERP rankings. Played a key role in expanding company presence to 25+ countries, achieving 200% growth in international sales and securing long-term deals over $1M.

Education

Master of Science at Kherson National Technical University
January 1, 2002 - June 30, 2006
ICT Associate at FIT & SOLAS
December 5, 2023 - December 25, 2024

Qualifications

JavaScript Specialist: CIW
November 1, 2024 - November 30, 2024
Artificial Intelligence Fundamentals IBM
November 1, 2023 - November 30, 2023
Azure Fundamentals Microsoft
October 1, 2023 - October 31, 2023
Certified Digital Marketing Professional Digital Marketing Institute
December 1, 2022 - December 31, 2022
CompTIA IT Fundamentals (ITF+)
July 1, 2022 - July 31, 2022
NDG Linux Essentials (Cisco)
August 1, 2022 - August 31, 2022
IBM /edX, Python Basics for Data Science
May 1, 2022 - May 31, 2022

Industry Experience

Software & Internet, Manufacturing, Retail, Financial Services, Professional Services
    paper O'Asis Synergy — Web Agency Website

    Developed and deployed the official website for O’Asis Synergy Ltd, an Irish digital solutions agency.
    Built with Nuxt 3 and Tailwind CSS, the site was deployed on Vercel with full SEO optimization, OG tags, cookie consent banner, and Google integrations (Search Console, Analytics, Business Profile).
    Project setup included custom CSS styling, Git repository initialization with branch strategy, and automated deployment via GitHub.
    I managed the full development cycle — from architecture and component structure to performance optimization and domain configuration.
    https://www.twine.net/signin