Hello World! 👋

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.

Sviatoslav Oleksiv

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.

Location

Warsaw, Poland

Phone

+48 730 245 488

Technical Skills

Languages & Frameworks

JavaScriptTypeScriptNode.jsReactNext.jsAngularVueExpressPHPLaravelSymfonyHTML5CSS3TailwindCSS

Cloud & DevOps

AWSGCPFirebaseAzureDockerServerlessGitHub ActionsCI/CD

Databases

MongoDBPostgreSQLMySQLRedisSupabaseSQLite

Testing & QA

JestCypressPuppeteerSeleniumMochaCross-browser Testing

API & CMS

RESTGraphQLMicroservicesStrapiContentfulWordPressNetlify CMS

Tools & Analytics

GitGitHubGitLabGoogle Tag ManagerKibanaGoogle Data StudioTableau

Client Testimonials

"Sviat was a pleasure to work with - professional, reliable, and incredibly fast without compromising quality. I’d gladly hire him again."

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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."

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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."

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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!"

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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."

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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."

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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."

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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."

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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."

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Upwork Client

CMS Consultation

Featured Projects

10+
Years Experience
856k
Stack Overflow Reach
1,765
Yearly GitHub Contributions
Top Rated+
On Upwork
100k+
Monthly Blog Visitors
$50k+
Upwork Earnings

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!

sviatoslav.oleksiv@gmail.com
+48 730 245 488
Warsaw, Poland