Blockchain & Web3 Specialist | Smart Contract & DApp Engineer
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About this service
Summary
Process
FAQs
How long does a typical blockchain project take?
Most projects take 8-12 weeks from start to finish, depending on complexity. A detailed timeline will be provided after the initial consultation.
What blockchain networks do you work with?
I primarily work with Ethereum and EVM-compatible networks (BSC, Polygon, Avalanche), but can adapt to other blockchain platforms based on project requirements.
How do you ensure security?
Security is paramount in blockchain development. I follow industry best practices, conduct thorough testing, implement audit recommendations, and use battle-tested libraries like OpenZeppelin.
What are your payment terms?
Projects are typically structured with a 40% upfront payment, 30% at midpoint milestone completion, and 30% upon project delivery. Hourly rates are available for ongoing support.
Do you provide support after launch?
Yes, I offer post-launch support packages that include monitoring, maintenance, and technical support to ensure your project runs smoothly.
Can you help with existing projects?
Yes, I can audit, optimize, or extend existing blockchain projects. A technical assessment will be conducted to determine the best approach.
What's included
Production-Ready Smart Contracts
Clean, optimized, and thoroughly tested smart contract code ready for deployment
Technical Documentation
Comprehensive documentation including architecture diagrams, function specifications, and deployment guides
Security Audit Report
Detailed security analysis and vulnerability assessment of smart contracts
Frontend Application
Responsive Web3 interface with wallet integration and transaction handling
Backend Infrastructure
API endpoints, database architecture, and server-side logic for DApp functionality
Integration Guide
Step-by-step documentation for API integration and third-party service connections
Blockchain Consultation Package
Detailed system design documents and technical specifications
Implementation Roadmap
Project timeline, milestone breakdown, and resource allocation plan
Best Practices Guide
Security recommendations, gas optimization strategies, and maintenance procedures
Deployment Scripts
Automated scripts for contract deployment across different networks
Testing Suite
Comprehensive test cases covering all contract functionalities
Maintenance Documentation
Guidelines for updates, upgrades, and ongoing maintenance procedures
Recommendations
(5.0)
Recommended
Working with Justin was an exceptional experience! He played a crucial role in a startup project that involved API integration with AI-powered solutions. His deep technical expertise in full-stack development, combined with his ability to deliver scalable and reliable solutions under tight deadlines, was key to the project's success. Justin is not only highly skilled in React, Node.js, and cloud technologies but also a great collaborator, always willing to go the extra mile. He's a nice talent!
Skills and tools
Industries
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