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Niki S.

@nikis98

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⭐⭐⭐⭐⭐ Top Rated Plus

$10 USD / Hour
・
Flag of
Ukraine (2:02 AM)
・
Joined on September 20, 2024
$10 USD / Hour
・
I am a highly skilled Full Stack Developer with over 10 years of experience specializing in creating robust, scalable, and efficient web applications. My expertise spans both frontend and backend development, with proficiency in MERN Stack (MongoDB, Express.js, React.js, Node.js) as well as Next.js, WooCommerce, and API integrations. Throughout my career, I have successfully developed and deployed numerous projects, ranging from eCommerce platforms to complex web applications, while focusing on delivering intuitive user experiences (UI/UX) and optimized performance. I am adept at working with modern web technologies and frameworks, ensuring responsive, secure, and high-quality applications that meet the latest industry standards. I am passionate about problem-solving and thrive in collaborative environments where I can contribute to innovative solutions and help drive projects to completion. Whether it's frontend design, backend logic, or full-stack development, I bring a well-rounded approach to delivering robust and scalable solutions tailored to clients' unique needs.
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Accept rate
100%
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Portfolio

Portfolio

12233541
For the development of a hospital website using React.js, RESTful API, and Dropbox API, I started by designing a clean, user-friendly interface using React's component-based structure, ensuring that essential medical services and information are easily accessible. I integrated the RESTful API to manage and display real-time data such as patient records, appointment scheduling, and hospital services, while maintaining secure communication between the client and server. Dropbox API was incorporated to handle the uploading, storing, and sharing of medical documents, ensuring secure and HIPAA-compliant file management. The frontend was optimized for responsiveness, providing an accessible experience across devices. This combination of technologies ensures a fast, scalable, and secure hospital management platform.
Hostpital website
12233527
When developing a server and client-side e-commerce website using Next.js, I began by setting up the project with server-side rendering (SSR) to ensure fast load times and improved SEO. I structured the application with dynamic routes for products, categories, and user authentication, ensuring a smooth navigation experience. Using Next.js API routes, I built a robust backend to manage user data, orders, and product inventory, while the frontend was designed with reusable React components for a seamless user experience. I integrated payment gateways and added security features to protect transactions and user data. To optimize performance, I employed static generation for frequently accessed pages and used dynamic imports for complex components. The final product is a high-performance, scalable e-commerce platform with both server and client functionality.
E-commerce website into next js
When developing a server and client-side e-commerce website using Next.js, I began by setting up the project with server-side rendering (SSR) to ensure fast load times and improved SEO. I structured the application with dynamic routes for products, categories, and user authentication, ensuring a smooth navigation experience. Using Next.js API routes, I built a robust backend to manage user data, orders, and product inventory, while the frontend was designed with reusable React components for a seamless user experience. I integrated payment gateways and added security features to protect transactions and user data. To optimize performance, I employed static generation for frequently accessed pages and used dynamic imports for complex components. The final product is a high-performance, scalable e-commerce platform with both server and client functionality.
E-commerce website into next js
When developing a server and client-side e-commerce website using Next.js, I began by setting up the project with server-side rendering (SSR) to ensure fast load times and improved SEO. I structured the application with dynamic routes for products, categories, and user authentication, ensuring a smooth navigation experience. Using Next.js API routes, I built a robust backend to manage user data, orders, and product inventory, while the frontend was designed with reusable React components for a seamless user experience. I integrated payment gateways and added security features to protect transactions and user data. To optimize performance, I employed static generation for frequently accessed pages and used dynamic imports for complex components. The final product is a high-performance, scalable e-commerce platform with both server and client functionality.
E-commerce website into next js
12233520
When developing an e-commerce website with React, the process begins with defining the core features, such as product listings, shopping cart functionality, and user authentication. The first step is setting up the project structure and ensuring a responsive, intuitive user interface with reusable components. I integrated state management tools like Redux to handle dynamic data efficiently, ensuring smooth interactions across the site. The backend was connected using RESTful APIs, enabling seamless data flow for product inventory, order management, and payment processing. For enhanced performance, I optimized components to reduce load times and ensured the website was mobile-friendly and scalable. The end result is a high-performing, user-friendly e-commerce platform built with modern development practices.
E-commerce website
12232453
adevinta.com The project began with a thorough requirements analysis to define the necessary features, including production details, an online cart, selling capabilities, and job postings. We chose WordPress as the platform for its flexibility and robust plugin ecosystem, allowing for easy integration of e-commerce functionalities and custom features. The initial phase involved setting up the WordPress environment and selecting a responsive theme that aligns with the company’s branding. We implemented custom post types for managing car listings, production updates, and job postings, ensuring an organized backend for content management. The WooCommerce plugin was integrated to facilitate online sales, allowing customers to browse, select, and purchase vehicles seamlessly. Extensive testing was conducted to ensure smooth navigation, secure transactions, and optimal performance across various devices and browsers. The site was launched successfully.
Car company website
12233119
choreless.framer.website Framer is a powerful tool for building modern, interactive frontend websites. It combines the ease of visual design with the flexibility of custom code, making it ideal for developers and designers alike. With Framer, you can create dynamic, responsive interfaces that feel smooth and engaging. It offers built-in components, animations, and layout tools, while also allowing integration with frameworks like React for more complex, custom functionality. Whether you’re building landing pages, interactive prototypes, or fully-fledged websites, Framer makes the development process intuitive, fast, and highly customizable.
Framer frontend website
choreless.framer.website Framer is a powerful tool for building modern, interactive frontend websites. It combines the ease of visual design with the flexibility of custom code, making it ideal for developers and designers alike. With Framer, you can create dynamic, responsive interfaces that feel smooth and engaging. It offers built-in components, animations, and layout tools, while also allowing integration with frameworks like React for more complex, custom functionality. Whether you’re building landing pages, interactive prototypes, or fully-fledged websites, Framer makes the development process intuitive, fast, and highly customizable.
Framer frontend website
12232430
This advanced food online platform enables users to pre-purchase meals, manage their orders effortlessly via an intuitive cart system, and offers a streamlined checkout process. It incorporates a robust affiliate network connecting clients, cooks, and restaurants to foster business partnerships and improve service efficiency. Real-time web scraping ensures up-to-date food product listings and accurate inventory across all offerings. Integrated with interactive maps, the platform provides users with precise restaurant locations, delivery routes, and seamless navigation for a smooth and convenient experience.
Food online website
This advanced food online platform enables users to pre-purchase meals, manage their orders effortlessly via an intuitive cart system, and offers a streamlined checkout process. It incorporates a robust affiliate network connecting clients, cooks, and restaurants to foster business partnerships and improve service efficiency. Real-time web scraping ensures up-to-date food product listings and accurate inventory across all offerings. Integrated with interactive maps, the platform provides users with precise restaurant locations, delivery routes, and seamless navigation for a smooth and convenient experience.
Food online website
This advanced food online platform enables users to pre-purchase meals, manage their orders effortlessly via an intuitive cart system, and offers a streamlined checkout process. It incorporates a robust affiliate network connecting clients, cooks, and restaurants to foster business partnerships and improve service efficiency. Real-time web scraping ensures up-to-date food product listings and accurate inventory across all offerings. Integrated with interactive maps, the platform provides users with precise restaurant locations, delivery routes, and seamless navigation for a smooth and convenient experience.
Food online website
12233541
For the development of a hospital website using React.js, RESTful API, and Dropbox API, I started by designing a clean, user-friendly interface using React's component-based structure, ensuring that essential medical services and information are easily accessible. I integrated the RESTful API to manage and display real-time data such as patient records, appointment scheduling, and hospital services, while maintaining secure communication between the client and server. Dropbox API was incorporated to handle the uploading, storing, and sharing of medical documents, ensuring secure and HIPAA-compliant file management. The frontend was optimized for responsiveness, providing an accessible experience across devices. This combination of technologies ensures a fast, scalable, and secure hospital management platform.
Hostpital website
12233527
When developing a server and client-side e-commerce website using Next.js, I began by setting up the project with server-side rendering (SSR) to ensure fast load times and improved SEO. I structured the application with dynamic routes for products, categories, and user authentication, ensuring a smooth navigation experience. Using Next.js API routes, I built a robust backend to manage user data, orders, and product inventory, while the frontend was designed with reusable React components for a seamless user experience. I integrated payment gateways and added security features to protect transactions and user data. To optimize performance, I employed static generation for frequently accessed pages and used dynamic imports for complex components. The final product is a high-performance, scalable e-commerce platform with both server and client functionality.
E-commerce website into next js
When developing a server and client-side e-commerce website using Next.js, I began by setting up the project with server-side rendering (SSR) to ensure fast load times and improved SEO. I structured the application with dynamic routes for products, categories, and user authentication, ensuring a smooth navigation experience. Using Next.js API routes, I built a robust backend to manage user data, orders, and product inventory, while the frontend was designed with reusable React components for a seamless user experience. I integrated payment gateways and added security features to protect transactions and user data. To optimize performance, I employed static generation for frequently accessed pages and used dynamic imports for complex components. The final product is a high-performance, scalable e-commerce platform with both server and client functionality.
E-commerce website into next js
When developing a server and client-side e-commerce website using Next.js, I began by setting up the project with server-side rendering (SSR) to ensure fast load times and improved SEO. I structured the application with dynamic routes for products, categories, and user authentication, ensuring a smooth navigation experience. Using Next.js API routes, I built a robust backend to manage user data, orders, and product inventory, while the frontend was designed with reusable React components for a seamless user experience. I integrated payment gateways and added security features to protect transactions and user data. To optimize performance, I employed static generation for frequently accessed pages and used dynamic imports for complex components. The final product is a high-performance, scalable e-commerce platform with both server and client functionality.
E-commerce website into next js
12233520
When developing an e-commerce website with React, the process begins with defining the core features, such as product listings, shopping cart functionality, and user authentication. The first step is setting up the project structure and ensuring a responsive, intuitive user interface with reusable components. I integrated state management tools like Redux to handle dynamic data efficiently, ensuring smooth interactions across the site. The backend was connected using RESTful APIs, enabling seamless data flow for product inventory, order management, and payment processing. For enhanced performance, I optimized components to reduce load times and ensured the website was mobile-friendly and scalable. The end result is a high-performing, user-friendly e-commerce platform built with modern development practices.
E-commerce website
12232453
adevinta.com The project began with a thorough requirements analysis to define the necessary features, including production details, an online cart, selling capabilities, and job postings. We chose WordPress as the platform for its flexibility and robust plugin ecosystem, allowing for easy integration of e-commerce functionalities and custom features. The initial phase involved setting up the WordPress environment and selecting a responsive theme that aligns with the company’s branding. We implemented custom post types for managing car listings, production updates, and job postings, ensuring an organized backend for content management. The WooCommerce plugin was integrated to facilitate online sales, allowing customers to browse, select, and purchase vehicles seamlessly. Extensive testing was conducted to ensure smooth navigation, secure transactions, and optimal performance across various devices and browsers. The site was launched successfully.
Car company website
12233119
choreless.framer.website Framer is a powerful tool for building modern, interactive frontend websites. It combines the ease of visual design with the flexibility of custom code, making it ideal for developers and designers alike. With Framer, you can create dynamic, responsive interfaces that feel smooth and engaging. It offers built-in components, animations, and layout tools, while also allowing integration with frameworks like React for more complex, custom functionality. Whether you’re building landing pages, interactive prototypes, or fully-fledged websites, Framer makes the development process intuitive, fast, and highly customizable.
Framer frontend website
choreless.framer.website Framer is a powerful tool for building modern, interactive frontend websites. It combines the ease of visual design with the flexibility of custom code, making it ideal for developers and designers alike. With Framer, you can create dynamic, responsive interfaces that feel smooth and engaging. It offers built-in components, animations, and layout tools, while also allowing integration with frameworks like React for more complex, custom functionality. Whether you’re building landing pages, interactive prototypes, or fully-fledged websites, Framer makes the development process intuitive, fast, and highly customizable.
Framer frontend website
12232430
This advanced food online platform enables users to pre-purchase meals, manage their orders effortlessly via an intuitive cart system, and offers a streamlined checkout process. It incorporates a robust affiliate network connecting clients, cooks, and restaurants to foster business partnerships and improve service efficiency. Real-time web scraping ensures up-to-date food product listings and accurate inventory across all offerings. Integrated with interactive maps, the platform provides users with precise restaurant locations, delivery routes, and seamless navigation for a smooth and convenient experience.
Food online website
This advanced food online platform enables users to pre-purchase meals, manage their orders effortlessly via an intuitive cart system, and offers a streamlined checkout process. It incorporates a robust affiliate network connecting clients, cooks, and restaurants to foster business partnerships and improve service efficiency. Real-time web scraping ensures up-to-date food product listings and accurate inventory across all offerings. Integrated with interactive maps, the platform provides users with precise restaurant locations, delivery routes, and seamless navigation for a smooth and convenient experience.
Food online website
This advanced food online platform enables users to pre-purchase meals, manage their orders effortlessly via an intuitive cart system, and offers a streamlined checkout process. It incorporates a robust affiliate network connecting clients, cooks, and restaurants to foster business partnerships and improve service efficiency. Real-time web scraping ensures up-to-date food product listings and accurate inventory across all offerings. Integrated with interactive maps, the platform provides users with precise restaurant locations, delivery routes, and seamless navigation for a smooth and convenient experience.
Food online website
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Experience
Senior Full Stack Developer
Mar, 2021 - Jul, 2023
•
2 years, 4 months
Apeak Tennis
Mar, 2021 - Jul, 2023
•
2 years, 4 months
Mental Performance App for Tennis Players Developed and maintained applications with clean code. Participated in design and code reviews for high-quality delivery. Mentored the development team to accelerate project progress. Maintained production API functionality using Azure Kubernetes Services. Applied best practices for the full software development life cycle. Addressed performance issues and enhanced frontend/backend infrastructure. Shared best practices and mentored junior engineers.
Flag of
remote, United States
Mar, 2021 - Jul, 2023
•
2 years, 4 months
Education
National Technical University of Ukraine 'Igor Sikorsky Kyiv Polytechnic Institute'
2020 - 2021
•
1 year
Bachelor of Administrative Computer Science BACS
Flag of
Ukraine
2020 - 2021
•
1 year
Borys Grinchenko Kyiv University
2018 - 2020
•
2 years
Computing and IT
Flag of
Ukraine
2018 - 2020
•
2 years
Qualifications
Google Webmaster Central
2021
Freelancer.com
Google Webmaster Central
2021
Computer Science Certification
2020
Computer Science
Computer Science Certified
2020
Google Analytics Certification
2021
Google Analytics
Google Analytics Certified
2021
Publications
SEO
Scored 100% on level 2 exam
Scored 100% on level 2 exam
Certifications
P
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