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You will get Full Stack Web App for Your Business (Java Spring + React) Full Stack

Yaroslav K.Status: Offline
Yaroslav K.
Preview imagePreview image

Let a pro handle the details

Buy Custom Website Programming services from Yaroslav, priced and ready to go.
Yaroslav K.Status: Offline
Yaroslav K.
Preview imagePreview image

Let a pro handle the details

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

Project details

I will build a complete, secure, and scalable full-stack web application using Java Spring Boot for the backend and React.js for the frontend. This solution is perfect for startups, online stores, admin panels, and business tools.

Your project will follow modern development standards: responsive UI, REST API, JWT security, database integration, and optionally — file uploads or payment integration.
Programming Languages
HTML & CSS, JavaScript, Java
Coding Expertise
Cross Browser & Device Compatibility, Security, Design

What's included $25,000

These options are included with the project scope.

$25,000
  • Delivery Time 50 days
  • Number of Revisions 5
  • Number of Pages 5
    • Design Customization
    • Content Upload
    • Responsive Design
    • Source Code
Yaroslav K.Status: Offline

About Yaroslav

Yaroslav K.Status: Offline
Senior Full Stack Developer | Java Spring Boot Architect | iGaming
Warsaw, Poland - 12:37 pm local time
Senior Full Stack Developer and Java Spring Boot Architect with 8+ years of experience building high-load iGaming and FinTech solutions.

I am a Senior Full Stack Developer with a proven track record of building enterprise-grade solutions for global leaders (including EPAM Systems and Netcracker). From launching MVPs from scratch to decoupling complex monoliths into resilient microservices, I deliver products that drive measurable growth.

Key Performance Metrics:
- 8+ Years of intensive Full Stack development.
- 100% Success Rate in migrating legacy systems to Microservices (Event-driven & REST).
- C1 Advanced English: Seamless communication and technical leadership in international teams.
- Expert in High-Load: Specialized in system throughput, latency optimization, and distributed systems.

Technical Mastery (The Arsenal):
- Backend: Java (Expert), Spring Boot (Security, Cloud, Data, MVC), Node.js, Python (Django).
- Frontend: React.js, Redux, TypeScript, Next.js, Angular 7.
- Infrastructure & DevOps: Kubernetes (EKS), Docker, Terraform, Helm, GitLab CI/CD, Jenkins.
- Data & Messaging: PostgreSQL, MySQL, MongoDB, Kafka, Redis, RabbitMQ.
- Cloud: AWS (Lambda, S3, RDS, CloudWatch), Azure Cloud, GCP.

Domain Expertise:
- iGaming & Betting: Built and optimized betting solutions, integrated third-party data providers.
- Logistics & FinTech: Developed complex delivery calculation systems and product storage flows.
- Architecture: Deep experience in architectural meetings, decision-making, and code reviews.

My guarantee: I don’t just write code; I ship innovative, resilient solutions that solve complex business challenges and deliver real ROI.

Steps for completing your project

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

Delivery time starts when Yaroslav receives requirements from you.

Yaroslav works on your project following the steps below.

Revisions may occur after the delivery date.

Step 1: Requirements Gathering

I’ll review your input and clarify all details.

Step 2: Development Begins

I build backend and frontend components with regular updates.

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