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You will get a React.js Frontend Developer for your Web App | Responsive UI
Rising Talent
Project details
As a professional Front end Developer with strong expertise in React.js, I specialize in building fast, modern, and responsive web applications tailored to business goals. My focus is on delivering clean, maintainable code with pixel-perfect UI and smooth user experiences.
Whether you're launching a startup MVP, building a scalable SaaS dashboard, or need a dynamic eCommerce interface, I bring both technical skill and product thinking to the table. From component-based architecture to API integration, I ensure your app performs flawlessly across devices.
What sets my work apart is attention to detail, clear communication, and the ability to turn Figma/Adobe/XD designs into high-performing single-page applications. I follow the latest JavaScript best practices and write reusable, testable code using tools like Redux, Next.js, and Tailwind CSS when needed.
You’ll get a modern, conversion-optimized frontend that’s easy to scale and update. Let’s bring your idea to life with a clean React stack and a results-driven mindset.
Whether you're launching a startup MVP, building a scalable SaaS dashboard, or need a dynamic eCommerce interface, I bring both technical skill and product thinking to the table. From component-based architecture to API integration, I ensure your app performs flawlessly across devices.
What sets my work apart is attention to detail, clear communication, and the ability to turn Figma/Adobe/XD designs into high-performing single-page applications. I follow the latest JavaScript best practices and write reusable, testable code using tools like Redux, Next.js, and Tailwind CSS when needed.
You’ll get a modern, conversion-optimized frontend that’s easy to scale and update. Let’s bring your idea to life with a clean React stack and a results-driven mindset.
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$150
|
Standard
$350
|
Advanced
$700
|
|---|---|---|---|
| Delivery Time | 3 days | 5 days | 7 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 1 | 0 | 3 |
Design Customization | |||
Content Upload | - | ||
Responsive Design | |||
Source Code |
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CK
Chris K.
Apr 9, 2026
CXCortex UI/UX improvement
Mariia is responsive and communicates very well. She is also very versatile and able to broaden the scope when necessary, her project output is very good. I would hire her again.
AS
Aaron S.
Feb 5, 2024
You will get Front-End Development for your Web & Mobile App
As always, Mariia and the dotcode team have done a tremendous job. They are always extremely professional, and have consistently exceeded my expectations. I'm very happy with their work, and I hope to continue working with them in the future.
AS
Aaron S.
Aug 22, 2023
Web App UX/UI Designer specializing in MVP Prototyping, Wireframing, Figma, and Mockup Creation
Working with Mariia and dotcode has been an exceptional experience. Her UI/UX design skills shine through in every aspect of my EdTech web application MVP. From meticulous wireframing, and seamless prototyping in Figma to perfect mockups that were ready to hand off to development, Mariia's attention to detail and creative insights have truly elevated the user experience. I'm thrilled with the results and look forward to future collaborations with Mariia and dotcode.
About Mariia
Front end Developer | React Developer | Next.js | Vue.js | CSS | HTML
100%
Job Success
Rugby, United Kingdom - 12:08 pm local time
SaaS platforms, dashboards, web applications, different products, same front end obsession: interfaces that feel fast and look effortless don't happen by accident, they're built that way from the first component.
Track record:
⭐ 100% Job Success Score
🚀 50+ front end projects shipped across enterprise and startup environments
📈 30+ clients who saw real business growth from a better front end experience
🎨 Pixel-perfect Figma-to-front end implementation, including motion and interaction states most developers skip
🧱 Built and maintained front end design systems that keep components consistent as products scale
📊 Delivered SaaS dashboards, admin panels, and CRM front ends that stay fast and readable as data grows
🔗 Connected React front ends to Node.js, REST, and GraphQL APIs, keeping frontend and backend contracts honest
♿ Front end performance and accessibility work that holds up under real traffic, not just a Lighthouse score taken once before launch
👥 Led front end teams and mentored junior React developers across multiple production projects
🧠 Use AI coding tools like Claude Code daily as part of the front end workflow, reviewing and owning every line before it ships
🌐 Comfortable across the full front end stack: React, Next.js, TypeScript, Tailwind CSS, Material UI
🧪 Front end testing discipline with Jest and Cypress, so a UI change doesn't quietly break three other screens
⚡ Front end performance optimization: code splitting, lazy loading, and bundle size work that keeps load times honest at scale
What I actually deliver as a front end and React developer:
- Pixel-perfect front end implementation from Figma, with real attention to spacing, motion, and interaction states, not just a component-by-component translation
- Front end architecture for SaaS dashboards, admin panels, and CRM interfaces built to stay fast and readable as the data grows, not just look clean in a demo
- React, Next.js, and TypeScript front end builds with Tailwind CSS or Material UI, structured around a design system rather than one-off components that drift apart over time
- Full-stack capability when a project needs it: React front end connected to Node.js, REST, or GraphQL APIs, so the frontend and backend contracts stay honest with each other
- Front end performance and accessibility work that holds up under real traffic, not just Lighthouse scores taken once before launch
- Reusable component libraries and design systems that keep a growing front end codebase consistent instead of drifting apart page by page
I bring the same discipline whether I'm leading a front end team or working solo: clear component architecture from day one, working builds early, and code the next person on the team can actually extend without a walkthrough. I think about user experience, performance, and scalability starting from the very first front end component, because the difference between an interface that feels premium and one that feels assembled is usually decided early, not patched in at the end.
If you need a front end or Front end developer who can turn a Figma file into a production-ready interface, or improve a front end that's already live, let's talk about what you're building. 🚀
Steps for completing your project
After purchasing the project, send requirements so Mariia can start the project.
Delivery time starts when Mariia receives requirements from you.
Mariia works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements & Design Review
Analyze project requirements, review mockups (Figma/XD/Sketch), and clarify expectations for functionality and design
Project Setup & Architecture
Initialize project with React.js, set up folder structure, tools (e.g., Vite/Webpack), routing, state management (e.g., Redux/Zustand), and install necessary dependencies.