I'm Sviatoslav Oleksiv
Senior Full-Stack Developer
Specializing in JavaScript, TypeScript, React, and Node.js. Building scalable cloud-native solutions and leading SaaS projects.

About Me
I am a Senior Full-Stack Developer with 10+ years of experience.
My expertise lies in building cloud-native solutions, implementing robust CI/CD pipelines, and creating large-scale web applications. I have a proven track record of leading SaaS projects, mentoring teams, and delivering innovative solutions to complex business challenges.
Technical Skills
Languages & Frameworks
Cloud & DevOps
Databases
Testing & QA
API & CMS
Tools & Analytics
Client Testimonials
"Sviat was a pleasure to work with - professional, reliable, and incredibly fast without compromising quality. I’d gladly hire him again."
Upwork Client
CRM MVP - Full Stack Dev
"Sviat is great to work with. He comes with ideas on how to help improve the project. He works diligently. I've worked with him on 2 separate projects now."
Upwork Client
Senior Full Stack Developer
"We had the absolute pleasure of working with Sviat and his contribution to our business has been invaluable. He played a crucial role in developing key components for our core products."
Upwork Client
Web Development Kick-Off
"Great to work with him. Quick results and very experienced in what he does. I will hire him again!"
Upwork Client
Tailwind.css & JS Expert
"Sviatoslav is brilliant - a full stack dev who thinks through UX issues on his own and comes up with clever solutions. A talented engineer with a great product mindset."
Upwork Client
Chrome Extension & UX
"Sviat is an amazing FSD. He's a great communicator, hard worker, and fast learner. Anyone looking for a full stack developer will be very happy to work with Sviat."
Upwork Client
SaaS MVP Development
"Sviat excelled in his role as a contract software developer for our team. He skillfully constructed a Chrome extension that integrates user data with ChatGPT, creating an intuitive tool."
Upwork Client
Chrome Extension Dev
"Sviatoslav was really helpful with my WordPress problem. He worked fast and knew exactly what to do. Great experience and definitely recommend him if you need quick, professional help."
Upwork Client
WordPress Specialist
"I recently consulted with Sviat to select a CMS for my personal website. His expertise and clear guidance were immensely helpful. Sviat understood my needs perfectly."
Upwork Client
CMS Consultation
Featured Projects
LIVEDAB
A platform that enhances marketing campaign reach for events and brands through personalized audience engagement and user-generated content.
devrules.directory
Curated collection of battle-tested rules for AI coding assistants like Cursor and Claude. Searchable directory of tech-agnostic rules for better AI collaboration.
Love Bloomer
AI-powered assistant helping dating app users improve conversational success with dynamic responses and personalized suggestions.
IGLister
Chrome extension to scrape and analyze Instagram follower data for influencer marketing strategies and competitive analysis.
The Pets and Love
High-performance pet care blog focusing on SEO optimization and fast content delivery.
Polygon Optimizer
Geospatial data processing pipeline that simplifies and optimizes polygon geometries for carbon credit projects, generating optimized vector tiles for web mapping applications.
Construction Niche Research
AI-powered market research automation system that systematically evaluates 97K+ construction workflows to discover viable SaaS opportunities with evidence-based insights.
Let's Work Together
I'm currently available for freelance projects and open to new opportunities. If you have an idea you want to bring to life, let's talk!