You will get Scalable SaaS Platform Using React, Next.js & AI
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Project details
Full Stack Developer DM FIRST PLEASE and AI Developer specializing in scalable SaaS platforms, AI-powered web applications, and modern startup solutions using React.js, Next.js, and advanced full stack technologies. I build responsive, high-performance SaaS applications using React.js, Next.js, TypeScript, JavaScript, Node.js, Express.js, MongoDB, PostgreSQL, Tailwind CSS, Redux, REST API, GraphQL, Firebase, Prisma, and cloud deployment solutions. Experienced in AI SaaS development, OpenAI API integration, ChatGPT API integration, AI chatbot development, automation tools, Generative AI, LLM integration, dashboards, admin panels, authentication systems, subscription platforms, and startup MVP development. I create secure, scalable, user-friendly, fast-loading, and production-ready applications with clean code, modern UI/UX, reusable components, and scalable architecture. Skilled in frontend development, backend development, API integration, performance optimization, Vercel deployment, AWS, Docker, GitHub, and CI/CD workflows. React Developer, Next.js Developer, AI Developer, SaaS Developer, MERN Stack Developer, Startup Developer, OpenAI Developer, and Web Application Developer.
Programming Languages
HTML & CSS, Java, KotlinCoding Expertise
PSD to HTMLWhat's included $50
These options are included with the project scope.
$50
- Delivery Time 2 days
- Number of Revisions 0
- Number of Pages 0
13 reviews
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CE
Can E.
Apr 14, 2026
SaaS with AI Features | React.js Next.js Node.js
Olga is very kind and responsible person. He is also great developer with lots of insights. Thank you very much Olga for your time and support.
DK
Dimitris K.
Apr 6, 2026
B2B Wellbeing Platform Front End Development
Olga is a skilled and structured frontend developer who delivered consistently across a complex, evolving project. She showed initiative, communicated professionally, and handled coordination challenges with maturity. Overall a reliable collaborator I'd work with again.
YH
Yaniv H.
Feb 12, 2026
Full Stack Developer React TypeScript Node.js Nest
I highly recommend Olga for web application development projects. She demonstrated strong technical skills, clear communication, and a deep understanding of both frontend and backend architecture throughout the entire process.
Olga was able to translate business requirements into a well-structured, scalable web application, while maintaining clean code and best practices. She was proactive in suggesting improvements, responsive to feedback, and consistently delivered on time.
What stood out most was her ability to troubleshoot complex issues quickly and provide practical, well-thought-out solutions. The final product was stable, efficient, and exceeded expectations.
I would gladly work with Olga again on future projects and confidently recommend her to anyone looking for a reliable and skilled web developer.
Olga was able to translate business requirements into a well-structured, scalable web application, while maintaining clean code and best practices. She was proactive in suggesting improvements, responsive to feedback, and consistently delivered on time.
What stood out most was her ability to troubleshoot complex issues quickly and provide practical, well-thought-out solutions. The final product was stable, efficient, and exceeded expectations.
I would gladly work with Olga again on future projects and confidently recommend her to anyone looking for a reliable and skilled web developer.
YH
Yaniv H.
Jan 1, 2026
Full Stack Developer for E2E Product Development
Olga is the best, every task is done with in time and high quality.
KS
Kirit S.
Nov 12, 2025
To estimate timeline and costs
Olga, was great to work with. They have a solid understanding of Supabase and backend best practices. Communication was clear, and they delivered quickly and efficiently. They helped set up authentication, API routes, and database logic efficiently. Would definitely hire again for future Supabase or backend work.
About Olga
Front end Developer | AI Chatbot Developer |React Full stack developer
100%
Job Success
Odessa, Ukraine - 1:07 am local time
My focus is modern Web Developer work and advanced React Developer solutions using React and scalable frontend systems. As a Front end Developer, I specialize in building fast, responsive, and accessible interfaces optimized for Core Web Vitals and real user performance.
In my React Developer work, I build reusable component systems, scalable UI architectures, and production-grade applications using React and Next.js. I’ve contributed to projects where I acted as a Front end Developer, improving performance by up to 40%, increasing engagement by 65%, and reducing bounce rates by 30% through frontend optimization and UX improvements.
Full product ownership is a key part of my work. As a Full stack developer React, I design complete systems — from frontend UI to backend APIs and database architecture — ensuring scalability, maintainability, and long-term product growth. I’ve worked as a Front end Developer and Full stack developer React on SaaS platforms serving thousands of active users. AI Chatbot Developer experience assists in delivering the best project.
Backend systems are built with Python. My Python Developer experience includes API development, automation, and data pipelines. Combined with a Machine Learning and Data Scientist background, I build intelligent systems using predictive models, LLM integrations, and data-driven decision engines that improve product outcomes and help to include my AI Chatbot Developer skills to speed up the project.
As an AI Chatbot Developer, I integrate OpenAI APIs, automation workflows, and intelligent features into production systems. My Machine Learning expertise helps turn raw data into actionable insights, powering smarter user experiences and business logic. This role often overlaps with my Full stack developer React work when building AI-powered SaaS applications.
Mobile development is handled through React Native, where I build cross-platform apps with native performance and seamless UX. This extends my Front end Developer expertise into mobile ecosystems connected to full-stack backend systems.
I also work as a WordPress Developer, building custom themes, plugins, and CMS-based platforms for content-driven businesses. These systems are often integrated into larger ecosystems built with React and modern APIs.
For monetization, I specialize in Stripe integrations — including subscriptions, SaaS billing systems, marketplaces, and secure checkout flows. This is a critical part of many systems I build as a Full stack developer React, especially in SaaS and subscription-based products.
Across all projects, whether frontend interfaces, backend systems, or AI-powered features, my goal is consistent: clean architecture, scalable systems, and measurable business impact. As an AI Chatbot Developer work across React, Python, Machine Learning, Stripe, React Native, and WordPress to deliver complete digital products that scale.
If you're looking for a Front end Developer who thinks like an AI Chatbot Developer builds like a Full stack developer React, and uses Supabase to move fast without breaking things, let's connect and build something exceptional together.
Olga | Front end Developer · AI Chatbot Developer · Full stack developer React· Supabase
Steps for completing your project
After purchasing the project, send requirements so Olga can start the project.
Delivery time starts when Olga receives requirements from you.
Olga works on your project following the steps below.
Revisions may occur after the delivery date.
arrange chat/call
figuring out the date and time to discuss the project tasks/budget and deadline