You will get a React Developer for Frontend, Dashboards, UI Systems, SaaS Apps
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Project details
You will get a React developer for building modern, scalable frontend applications and SaaS interfaces. Tech stack includes React, Next.js, TypeScript, Tailwind CSS, Redux Toolkit, Zustand, and React Query. I build dashboards, admin panels, analytics systems, and customer-facing UI with responsive design and mobile optimization. Integration includes REST and GraphQL APIs, authentication flows, and real-time updates via WebSockets. Architecture focuses on reusable components, modular structure, and performance optimization. I implement SSR/SSG when needed for SEO and speed. Deployment includes Vercel, AWS, and CDN optimization. Suitable for SaaS platforms, enterprise dashboards, fintech apps, and data-driven UI systems requiring clean UX and scalable frontend architecture.
Programming Languages
Python, TypeScript, GoWhat's included $500
These options are included with the project scope.
$500
- Delivery Time 3 days
- Number of Revisions 0
7 reviews
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MV
Mattijn V.
Jun 24, 2026
Stripe payment flow review & cleanup
Not only great developer, but also great sparring partner. Really knows what is needed, and can clearly explain why, even though I think initially otherwise. Also code committed is clean and compact.
RA
Reginald A.
Jun 11, 2026
Need a quick React / Next.js Fix Landing Page Error
Rostyslav quickly identified and fixed a Next.js build issue that was preventing our landing page from loading. Communication was excellent, turnaround was fast, and the fix was implemented cleanly. Strong React/Next.js troubleshooting skills and very easy to work with. Would happily work with him again.
MV
Mattijn V.
Jun 5, 2026
Backend Payment Integration Engineer (FastAPI & Adyen)
HG
Hristo G.
Mar 20, 2026
Backend Developer (Part-time, Freelance)
While we had a positive initial impression from the interview, the technical execution, following timelines, and communication did not meet the level we expected.
TH
Thomas H.
Feb 4, 2024
Backend Developer for Website
About Ross
AI Developer | AI Agent Developer
100%
Job Success
Kyiv, Ukraine - 2:12 am local time
I work as an AI Application Developer; as an AI Systems Developer and AI Solutions Developer I shape the plan. When the setup is messy I act as an AI Infrastructure Developer. Heavier builds need AI Systems Engineer judgment, while AI Backend Engineer work keeps service behavior clear. As an AI Product Engineer I connect build choices to user value. As an AI Services Developer and AI Integration Engineer I make separate parts work together. Platform work often needs an AI Platform Engineer. Detail-heavy product work needs an AI Application Engineer, and repeated business steps need an AI Automation Engineer. Tool plus workflow jobs fit AI Tools DeveloperAI Automation Developer work. Agent planning fits an Agentic AI Engineer, while tighter task control needs an AI Agent Engineer.
Assistant style matters too. I bring Claude AI Specialist judgment when tone and task fit matter; larger plans fit a Senior AI Automation Engineer, and tool coordination fits an MCP Developer. Service design fits my AI API Engineer work. As a Full Stack AI Engineer I connect product flow with service logic, and as an AI Workflow Engineer I clean up messy steps. Open product questions need an AI Solutions Engineer. Data-heavy assistant work needs a Data Engineer view, and early planning often benefits from an AI Consultant. Manual busywork fits my Automation Engineer background.
• As an AI Developer and AI Engineer I can take a rough feature request and make it usable; as an AI Software Engineer I keep changes manageable.
• As an AI Application Developer I map what the user does next; as an AI Systems Developer and AI Solutions Developer I keep scope under control.
• As an AI Integration Developer I reduce handoff pain; as an AI Automation Developer and AI Backend Developer I handle repeated actions and core logic.
• As an AI Product Developer I protect the budget; as an AI Assistant Developer and AI Chatbot Developer I keep the helper focused on real questions.
• As an AI Agent Developer I set task limits; as an AI Workflow Developer and AI Platform Developer I build flows that can grow.
• As an AI API Developer I make service paths clear; as an AI Tool Developer and AI Voice Assistant Developer I shape helpers around daily use.
• As an AI Orchestration Developer I define what happens first; as an AI Software Developer and Python Developer I make that plan work.
• As a Backend Developer I handle hidden product behavior; as a Software Developer and Web Developer I keep the whole user journey in view.
• As an AI Infrastructure DeveloperI remove hidden blockers; as an AI Systems Engineer and AI Backend Engineer I make complex builds easier to reason about.
• As an AI Product Engineer I tie features to value; as an AI Services Developer and AI Integration Engineer I make the moving parts fit.
• As an AI Platform Engineer I plan for later work; as an AI Application Engineer and AI Automation Engineer I keep daily use clear.
• As AI Tools DeveloperAI Automation Developer I build the tool and the process; as an Agentic AI Engineer I keep agent work tied to useful tasks.
• As an AI Agent Engineer I control task behavior; as a Claude AI Specialist and Senior AI Automation Engineer I keep larger assistant plans grounded.
• As an MCP Developer I organize tool coordination; as an AI API Engineer and Full Stack AI Engineer I connect user flow with service logic. An AI Agent Developer needs limits and checks. An AI Workflow Developer needs clear steps, and an AI Platform Developer needs a base that does not turn chaotic. An AI API Developer should make connections predictable. An AI Tool Developer should make daily work easier, and an AI Voice Assistant Developer should keep requests natural. An AI Orchestration Developershould know the right order of actions. An AI Software Developer should write for change, and a Python Developer should turn the plan into working software. A Backend Developer should care about what users never see. A Software Developer should care about the whole product, and a Web Developer should care about how fast the user understands it. An AI Infrastructure Developer should remove hidden friction. An AI Systems Engineer should keep the map clear, and an AI Backend Engineer should keep the service side simple to reason about. An Engineer protects what the system trusts, while an AI Consultant helps you avoid building the wrong thing. An Automation Engineer removes busywork. A Senior Automation Engineer improves the wider flow, and an AI/RAG Developer keeps answers tied to your own material.
❌ I'm not a wordpress developer, please don't invite me to wordpress projects
Send the job details and I’ll reply with a clear plan for how I’d approach it.
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After purchasing the project, send requirements so Ross can start the project.
Delivery time starts when Ross receives requirements from you.
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Revisions may occur after the delivery date.
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