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You will get a SaaS application Google API Azure API Stripe NestJS AWS MaterialUI React

Oleksandr B.Status: Offline
Oleksandr B. Oleksandr B.
5.0
Preview image

Let a pro handle the details

Buy Custom Website Programming services from Oleksandr, priced and ready to go.
Oleksandr B.Status: Offline
Oleksandr B. Oleksandr B.
5.0
Preview image

Let a pro handle the details

Buy Custom Website Programming services from Oleksandr, priced and ready to go.

Project details

You will get a production-ready SaaS application built with modern technologies and designed for security, scalability, and long-term growth.
I develop financial platforms, payment systems, dashboards, subscription products, and data-driven applications using React, Next.js, Node.js, NestJS, PostgreSQL, MongoDB, and AWS. AI-powered features can also be integrated using OpenAI and custom LLM solutions.
Whether you need a payment platform, financial dashboard, billing system, digital wallet, investment portal, or a custom SaaS product, I can help you build a reliable and scalable solution tailored to your business needs.
Technologies
React • Next.js • TypeScript • Node.js • NestJS • PostgreSQL • MongoDB • AWS • OpenAI API
What's included
• Modern responsive UI
• Secure backend architecture
• Payment & billing integrations
• API development & integrations
• Database design & optimization
• Cloud deployment & scalability
Please message me first, before you buy. Thank you.
Programming Languages
HTML & CSS, JavaScript, TypeScript
Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, Security

What's included $10,000

These options are included with the project scope.

$10,000
  • Delivery Time 30 days
  • Number of Revisions 9
5.0
1 review
100% Complete
(1)
1% Complete
(0)
1% Complete
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1% Complete
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Frederik B.
5.00
Jun 30, 2026
MVP Development for Danish Media Outlet
Oleksandr B.Status: Offline

About Oleksandr

Oleksandr B.Status: Offline
Full Stack Developer React Next.js Nest.js Node.js TypeScript AWS
5.0  (1 review)
Odesa, Ukraine - 6:54 am local time
Full Stack Developer with 4+ years of commercial experience building scalable SaaS platforms, CRM systems, AI-powered applications, marketplaces, booking platforms, internal tools, and custom business software. Over the years, I've contributed to 20+ successful projects, helping startups and growing businesses launch products faster, automate workflows, and improve operational efficiency.

As a Full Stack Developer, I specialize in delivering complete end-to-end solutions - from responsive frontend development and modern UI implementation to backend architecture, API development, database design, cloud infrastructure, and AI integrations.

💻 Technologies

Frontend Development
React Next.js (13/14/15) TypeScript JavaScript Redux Toolkit Zustand Tailwind CSS SCSS Framer Motion Three.js React Spring Material UI Ant Design shadcn/ui.

Experienced Full Stack Developer with strong expertise in building SEO-friendly applications using SSR, SSG, ISR, and CSR. I focus on performance optimization, responsive design, accessibility standards, and pixel-perfect UI implementation.

Backend Development
Node.js NestJS Express.js REST APIs GraphQL WebSockets Microservices Event-Driven Architecture Authentication & Authorization (JWT, OAuth 2.0, SSO), background jobs, queue systems, automation pipelines, and AI-powered services.

As a Full Stack Developer, I have built backend systems, integrated complex third-party services, payment providers, notification systems, and real-time communication features. I also work with AI integrations including OpenAI, Claude, ChatGPT, vector databases, and custom automation workflows.

Databases
PostgreSQL MySQL MongoDB DynamoDB Redis Supabase Firebase Prisma TypeORM MikroORM Knex.

I have experience designing scalable database architectures, optimizing complex queries, implementing caching layers, indexing strategies, and ensuring data consistency across production environments.

Cloud & DevOps
AWS (EC2 Lambda S3 CloudFront RDS API Gateway Cognito) Google Cloud Platform Docker Docker Compose Nginx PM2 CI/CD GitHub Actions GitLab CI/CD monitoring VPS setup SSL configuration reverse proxies and production deployments.

As a Full Stack Developer, I regularly deploy and maintain cloud-native applications, serverless architectures, and scalable backend services designed to support growth from MVP stage to production environments.

⚙Key Expertise
• 4+ years of Full Stack Development experience
• 20+ successfully delivered project
• 50+ integrations with external APIs and third-party services
• 10+ SaaS, CRM, and internal business platforms
• 15+ payment, billing, and subscription-based implementations
• 10+ AI-powered features and automation workflows delivered
• 30–50% performance improvements on multiple production applications
• 10+ cloud-hosted applications deployed and maintained
• Real-time systems with WebSockets, notifications, and live updates
• Secure authentication, authorization, and user management systems

🏭 Industries
• FinTech & Financial Services
• Healthcare & Medical Platforms
• E-commerce & Marketplaces
• Logistics & Transportation
• Real Estate & PropTech
• Education & EdTech
• AI Products & Automation Platforms
• CRM & B2B SaaS Solutions
• Booking & Reservation Systems
• Security & Monitoring Platforms

As a Full Stack Developer, I can help with new product development, existing codebase maintenance, feature expansion, performance optimization, third-party integrations, technical architecture, and long-term product growth.

Whether you need an MVP built from scratch, a complex SaaS platform, AI-powered functionality, cloud infrastructure, payment integrations, or long-term product development, I can help take your project from concept to production.

Available for both short-term projects and long-term collaborations. Let's build a scalable, production-ready solution that delivers measurable business value.

Steps for completing your project

After purchasing the project, send requirements so Oleksandr can start the project.

Delivery time starts when Oleksandr receives requirements from you.

Oleksandr works on your project following the steps below.

Revisions may occur after the delivery date.

Review of requirements and design. Then, estimate and timeline.

Review the work, release payment, and leave feedback to Oleksandr.