## SVIATOSLAV OLEKSIV **Location:** Warsaw, Poland | **Phone:** +48 730 245 488 **Website:** [oleksiv.com](https://oleksiv.com) | **Email:** [sviatoslav.oleksiv@gmail.com](mailto:sviatoslav.oleksiv@gmail.com) **GitHub:** [github.com/oleksiv](https://github.com/oleksiv) | **LinkedIn:** [linkedin.com/in/oleksiv](https://linkedin.com/in/oleksiv) --- ## PROFESSIONAL SUMMARY Senior Full-Stack Developer with **10+ years** of experience in **JavaScript**, **TypeScript**, **React**, **Node.js**, and building cloud-native solutions. Proven expertise in large-scale web applications, CI/CD implementation, and cross-browser testing. Skilled in leading SaaS projects, mentoring teams, and delivering solutions to complex business challenges using agile methodologies. Enthusiastic about web development and SaaS startups. --- ## TECHNICAL SKILLS * **Languages & Frameworks:** JavaScript, TypeScript, Node.js, Express, React, Next.js, Angular, Vue, PHP, Symfony, Laravel, HTML5, CSS3, TailwindCSS, Unix/Linux Shell Scripting * **Cloud & DevOps:** AWS, GCP, Firebase, Azure, Serverless, Docker, GitHub Actions, CI/CD Pipeline Management * **Databases:** MongoDB, PostgreSQL, MySQL, Redis, Firebase, Supabase, SQLite * **Testing & QA:** Cross-browser Testing, Device Testing, Git, GitHub, GitLab, Puppeteer, Selenium, Jest, Mocha, Cypress * **API Development:** REST, GraphQL, API Gateway, Microservices Architecture * **CMS:** Strapi, WordPress, Contentful, Netlify CMS * **Analytics:** Google Tag Manager, Kibana, Google Data Studio, Tableau * **Languages:** English (C1) * **Methodologies:** Agile, Scrum, Product-driven Development --- ## PROFESSIONAL EXPERIENCE ### **Senior Full-Stack Developer | LIVEDAB:** **December 2023 - Present** * [**LIVEDAB:**](https://livedab.com/) Developed and maintained a platform that enhances the reach of marketing campaigns for events, conferences, sports clubs, and brands through personalized audience engagement. The platform enables customers to increase event ticket sales, activate sponsors, and boost brand visibility by leveraging user-generated content like photo uploads. The platform achieved a **30-60%** average usage rate, significantly extending the reach of marketing activities. ### **Senior Full-Stack Developer | Upwork** **December 2023 - June 2024** * Led multiple enterprise projects as a **Top Rated Plus** freelancer, specializing in React and Node.js development * Developed an AI-driven enterprise platform using **Next.js** and **Azure OpenAI**, enabling dynamic customer engagement through personalized TTS responses * Built scalable microservices architecture using **Node.js** and **MongoDB**, implementing comprehensive CI/CD pipelines * Achieved **100%** job success score across 20+ projects, maintaining long-term relationships with enterprise clients * Utilized **AWS** services for cloud infrastructure, ensuring high availability and scalability * Implemented automated testing strategies using **Jest** and **Cypress**, achieving 90%+ test coverage ### **Senior Full-Stack Developer | Personal Projects** **January 2022 - November 2023** * [**Love Bloomer:**](https://lovebloomer.com/) Designed and developed an AI-powered assistant to help dating app users improve their conversational success. Integrated dynamic responses and personalized suggestions, driving user engagement and retention. The project involved **Next.js**, **MongoDB**, and **TailwindCSS** for a responsive UI and efficient backend architecture, deployed on **Vercel**. * **Staffspin:** Developed an AI-powered recruiter platform, leveraging LinkedIn API scraping and AI algorithms to optimize candidate selection, reducing recruitment time by **50%**. Built with **Angular**, **Nest.js**, and a custom **Chrome Extension** to automate sourcing tasks. * [**IGLister:**](https://www.iglister.com/) Created a Chrome extension to scrape and analyze Instagram follower data for influencer marketing strategies. The tool enables companies to perform competitive analysis and optimize marketing campaigns using detailed reports. Built with **Next.js**, **Puppeteer**, and custom APIs. * **Nomadsoup:** Developed a scalable travel blog platform for sharing travel experiences. Increased traffic by enhancing SEO and delivering a user-friendly content management system using **Angular**, **Strapi**, and **Node.js**. * [**The Pets and Love:**](https://www.thepetsandlove.com/) Managed a pet care blog that saw over **100k** monthly visitors. Focused on SEO optimization and content delivery, utilizing **Next.js**, **GraphQL**, and **Vercel** to ensure high performance and fast content delivery. ### **Senior Full-Stack Developer / Data Analyst | OVDAL APS** **July 2018 - December 2022** * [**Lentii:**](https://lentii.com/) Enhanced user travel planning experience (Angular, Symfony, Puppeteer) * [**HappyHelper:**](https://happyhelper.dk/) Analyzed user data to improve home cleaning services (Tableau) * [**OVDAL:**](https://ovdal.com/) Developed a cloud-native solution for data analytics and visualization (React, Node.js, AWS, Google Data Studio) ### **Middle Full-Stack Developer | CobbleWeb Ltd** **November 2017 - March 2018** * [**Fanpass:**](https://www.fanpass.co.uk/) Spearheaded the development of a real-time ticket exchange platform using **Symfony 2** and **JavaScript**, designed to optimize the buying and selling experience for event tickets. Improved platform performance by optimizing backend processes, resulting in faster transactions and a smoother user experience. ### **Middle Backend Developer | Sunbay B.V.** **September 2015 - October 2017** * [**Books A Million:**](https://www.booksamillion.com/) Overhauled the e-commerce backend infrastructure to optimize order management and improve sales workflows. Migrated legacy systems to a more scalable and efficient architecture using **Symfony**, **JavaScript**, and **Angular**, reducing processing times and increasing order accuracy. * **RxPreferred:** Developed custom internal tools for pharmacy management, including inventory tracking and order processing systems. Streamlined operations by integrating **PHP** with **Angular**, which reduced manual data entry errors and improved overall efficiency in pharmacy operations. Spearheaded the deployment of **AWS** infrastructure, enhancing system reliability and scalability to handle growing business needs. ### **Junior Web Developer | Various Clients** **2012 - 2015** * **Golden Pyramid Jewelry:** Homepage showcasing rings, bracelets, and necklaces, with a focus on wholesale business (HTML, CSS, PHP, Wordpress) * **Clean Planet:** Product catalog for cleaning supplies and industrial dispensers (HTML, CSS, PHP, Joomla) * **Decore Interior Salon:** High-end interior design showroom offering furniture, wallpaper, and decor (HTML, CSS, PHP, Joomla) * **DOSAAF Driving School:** Russian driving school website featuring courses for cars and motorcycles (HTML, CSS, PHP, Joomla) * **Azot Chemical Products:** Manufacturer website showcasing solvents, adhesives, and industrial chemicals (HTML, CSS, PHP, Joomla) * **Neurosurgical Department:** Medical facility specializing in neurosurgery, with an emphasis on advanced technologies (HTML, CSS, PHP, Joomla) * **Obedov Home Cooking:** Home-style restaurant menu with photos and delivery options (HTML, CSS, PHP, Joomla) * **Polystyrene Master:** Manufacturer of polystyrene materials, focusing on product specifications and custom orders (HTML, CSS, PHP, Joomla) * **Proff Teplo:** Service provider for heating and water supply systems, offering installation and maintenance services (HTML, CSS, PHP, Joomla) * **Art Fasad South:** Manufacturer of custom furniture facades made from wood and MDF (HTML, CSS, PHP, Joomla) * **AgroVita Fertilizers:** Website for agricultural emulsions and fertilizers with application guidance (HTML, CSS, PHP, Joomla) * **Soyuz Stroy Komplekt:** Provider of gasification, fire protection, and pipeline equipment (HTML, CSS, PHP, Joomla) * **Kryshi i Navessy (Roofs and Canopies):** Service offering roofing solutions and canopies for residential and commercial use (HTML, CSS, PHP, Joomla) * **Smash Tennis Club:** Tennis club offering training sessions, court rentals, and equipment (HTML, CSS, PHP, Joomla) * **Stavropol Youth Driving School:** Youth-focused driving school offering practical training (HTML, CSS, PHP, Joomla) * **SUNDUK:** Fashion-focused online store with up to **90%** discounts on branded clothing (PHP, MySQL, Simpla) --- ## OTHER ACHIEVEMENTS * **10+ years** of experience in Web Development * **856k** impacted readers on Stack Overflow * **100k+** monthly visitors on [The Pets and Love](https://www.thepetsandlove.com/) * **$50K+** total earnings on Upwork * **Top Rated Plus** on Upwork * **1,765** contributions in the last year on GitHub