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You will get Custom Full-Stack Web Application Development: Python, Java, C#, TypeScript
Project details
I design, develop, and deploy custom full-stack web applications tailored to your business needs. I deliver scalable, performant, and user-friendly solutions for clients.
My expertise is in modern technologies with a strong foundation in object-oriented design, data structures and algorithms, mathematics and finance.
Perfect For: Businesses needing custom web applications, companies looking to modernize their web presence, and startups building their software products, especially those with financial or data-intensive requirements.
You'll get Full-stack development using:
• Java (Spring Boot)
• Python (Flask)
• C# (.NET)
• JavaScript/TypeScript (Node.js, React)
• User interface (UI) and user experience (UX) design
• Maintainable and well-designed object-oriented code
Database design and integration with relational or NoSQL databases, including:
• PostgreSQL
• MySQL/MariaDB
• MongoDB
• DynamoDB
RESTful API development
Cloud service integration (e.g., AWS, Azure, Google Cloud)
Implementation of unit and integration tests
Deployment and hosting setup
Documentation of how to run and use
My expertise is in modern technologies with a strong foundation in object-oriented design, data structures and algorithms, mathematics and finance.
Perfect For: Businesses needing custom web applications, companies looking to modernize their web presence, and startups building their software products, especially those with financial or data-intensive requirements.
You'll get Full-stack development using:
• Java (Spring Boot)
• Python (Flask)
• C# (.NET)
• JavaScript/TypeScript (Node.js, React)
• User interface (UI) and user experience (UX) design
• Maintainable and well-designed object-oriented code
Database design and integration with relational or NoSQL databases, including:
• PostgreSQL
• MySQL/MariaDB
• MongoDB
• DynamoDB
RESTful API development
Cloud service integration (e.g., AWS, Azure, Google Cloud)
Implementation of unit and integration tests
Deployment and hosting setup
Documentation of how to run and use
Programming Languages
Python, Java, C#Coding Expertise
Performance Optimization, Security, DesignWhat's included
| Service Tiers |
Starter
$444
|
Standard
$777
|
Advanced
$1,337
|
|---|---|---|---|
| Delivery Time | 3 days | 8 days | 13 days |
Number of Revisions | 1 | 2 | 2 |
Number of Pages | 5 | 10 | 20 |
Design Customization | |||
Content Upload | - | - | - |
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$150 - $500
Additional Revision
+$100Frequently asked questions
About Taras
Backend Engineer | Quantitative Distributed Systems | AWS | Blockchain
Brookfield, United States - 8:30 am local time
I architect backend systems for quantitative applications where performance, reliability, and correctness aren't negotiable. Whether you're building fintech infrastructure, blockchain protocols, gaming backends, or fitness tech platforms, I bring 8+ years of mission-critical engineering discipline.
Backend systems engineered for performance and scale:
- Quantitative analysis engines and risk calculation systems
- Blockchain protocol optimizations and smart contract infrastructure
- Cloud-native architectures (AWS serverless, containerized deployments)
- High-performance APIs and data processing pipelines
How I Work:
I deliver enterprise-grade practices for production reliability:
- Test-driven development with comprehensive test coverage
- Performance benchmarking and optimization (recent work: 50% performance improvements to Hedera's protocol)
- CI/CD pipelines with GitHub Actions
- AWS infrastructure as code (CloudFormation)
My Background:
I worked for 9 years optimizing mission-critical systems serving electrical utilities and regulated industries, where downtime isn't an option. I built the automated test system for our team which handled failover of highly available systems and the breadth of C/C++, Java, C# and Python stacks.
Recent work includes contributing protocol buffer optimizations to Hedera, building quantitative risk calculators for crypto portfolios, and architecting scalable AWS infrastructure for data-intensive applications.
My Preferred Tech stack:
- Java and Python (8+ years experience), Go, TypeScript, Solidity, and C++
- Cloud: AWS Solutions Architect certified (Lambda, ECS/EKS, DynamoDB, CloudFormation)
- Practices: TDD, CI/CD, performance optimization, distributed systems
- Protocol Buffers, gRPC, PostgreSQL, Docker, Jenkins
- Quantitative: Math/CS + Finance/Accounting degrees, statistical modeling
Best Fit For: Fintech platforms, blockchain protocols, gaming backends, fitness tech, financial institutions modernizing infrastructure, or any quantitative system where reliability and performance matter.
Not a Fit For: Frontend development, mobile apps, or WordPress sites.
Portfolio: github.com/kaldun-tech
Steps for completing your project
After purchasing the project, send requirements so Taras can start the project.
Delivery time starts when Taras receives requirements from you.
Taras works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery call: Understand your requirements
30-60 minute call
Design document and project setup