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Serhii K.

Senior Full Stack JavaScript Developer (React&Node.js, Next&Nest.js)
4.4 (5 Reviews)
Europe, CIS
  • Total Service
    2
  • Completed Service
    25
  • In Queue service
    6
  • Refused Services
    0

About Freelancer

📌5+ years of experience in Full Stack Development. 𝐈 𝐰𝐚𝐬 𝐢𝐧𝐯𝐨𝐥𝐯𝐞𝐝 𝐢𝐧𝐭𝐨 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐨𝐟 𝐭𝐡𝐞 𝐦𝐞𝐝𝐢𝐜𝐚𝐥 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦 𝐜𝐚𝐥𝐥𝐞𝐝 𝐇𝐞𝐥𝐬𝐢, 𝐭𝐡𝐚𝐭 𝐬𝐨𝐦𝐞 𝐭𝐢𝐦𝐞 𝐚𝐟𝐭𝐞𝐫 𝐛𝐞𝐜𝐚𝐦𝐞 𝐨𝐟𝐟𝐢𝐜𝐢𝐚𝐥 𝐠𝐨𝐯𝐞𝐫𝐦𝐞𝐧𝐭 𝐝𝐢𝐠𝐢𝐭𝐚𝐥 𝐦𝐞𝐝𝐢𝐜𝐚𝐥 𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦 𝐰𝐢𝐭𝐡 𝟑 𝐦𝐢𝐥𝐥𝐢𝐨𝐧 𝐮𝐬𝐞𝐫𝐬 𝐢𝐧 𝐔𝐤𝐫𝐚𝐢𝐧𝐞.

◽ My goal is to empower clients to excel in their domain by delivering web platforms that surpass expectations in functionality, user-friendliness, and visually appealing design.

◽ I specialize in delivering outstanding web platforms that exceed client expectations. My proficiency spans React, Next.js, and Node.js, encompassing frameworks like Nest.js and Express. I'm dedicated to developing high-quality web applications that prioritize user experiences and functionality, ensuring each project surpasses industry standards and client requirements.

💻 Front-end skills: ⭐️⭐️⭐️⭐️⭐️
⚪️ ReactJS
⚪️ Next.JS
⚪️ TypeScript
⚪️ Angular2+
⚪️ Redux         
⚪️ GrahpQL
⚪️ Restful API
⚪️ HTML 5
⚪️ CSS3
⚪️ SCSS
⚪️ Bootstrap
⚪️ Material-UI
⚪️ Webpack  

⚙️Back-end skills: ⭐️⭐️⭐️⭐️⭐️
⚪️ Node.js / Nest.js
⚪️ MongoDB
⚪️ SQL
⚪️ Express
⚪️ JWT
⚪️ Socket.IO
⚪️ Cors
⚪️ PostgreSQL
⚪️ Amazon Web Services (DynamoDB, S3, EC2)
⚪️ Ant Design
⚪️ Firebase
⚪️ Heroku

💼 Other skills: ⭐️⭐️⭐️⭐️⭐️
⚪️ Google Maps
⚪️ MapBox
⚪️ Twilio
⚪️ WebRTC
⚪️ SendGrid, etc.

◽ Specializing in crafting exceptional web platforms that exceed expectations, I leverage React and Next.js to develop server-side-rendered applications optimized for speed, search engines, and scalability, utilizing features like code splitting, built-in routing, and server-side rendering to create engaging user experiences.

◽ Additionally, my expertise extends to Node.js and its frameworks, including Nest.js and Express, where I provide reliable backend solutions for APIs, real-time applications, and complex server-side business logic. Proficient in Angular, I construct feature-rich applications while maintaining easily maintainable code standards.

◽ Throughout the development process, I focus on writing organized code, creating user-friendly interfaces, and ensuring smooth integration with various APIs and third-party services, collaborating closely with clients to understand their needs, provide updates, and incorporate feedback.

📲 Let's discuss your project requirements and collaborate to create outstanding web platforms that stand out from the competition.

Education

M
2019-2021 Master's degree, Computer science
National University Lviv Polytechnic
B
2015-2019 Bachelor's degree, Computer science
National University Lviv Polytechnic

Work & Experience

𝐒
August 2021 - January 2024 𝐒𝐞𝐧𝐢𝐨𝐫 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫

Awards

5 Reviews

4.4
5 ratings
5 Star
60%
4 Star
20%
3 Star
20%
2 Star
0%
1 Star
0%

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  • Location
    CIS, Europe
  • Type
    Independent Freelancers
  • English Level
    Native Or Bilingual
  • Gender
    Male