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Fiverr Pro
Português
$
USD
I will fix, optimize, or refactor your web3 backend,smart contracts
Rust Backend Engineering Distributed Systems Data Pipelines APIs
I build production-grade Rust backend infrastructure for blockchain protocols, RPC services, data pipelines, and distributed systems.
Specialist in Solana, EVM, Move VM, durable execution engines, hi...
Sobre este Serviço
I fix, optimize, and refactor Web3 backends and smart contracts that are slow, insecure, or hard to maintain.
If your blockchain system has bugs, performance issues, security risks, or messy architecture, I analyze the root cause and deliver clean, production-ready fixesnot quick patches.
What I can help with:
Fixing bugs in smart contracts or backend APIs
Optimizing performance and gas usage
Refactoring code for security and maintainability
Securing access control and permissions
Debugging transaction failures and edge cases
Cleaning up rushed or legacy Web3 code
How I work:
I review your code, identify underlying issues, and apply structured, well-documented improvements. My goal is not just to make things work again, but to leave your system more stable, secure, and easier to extend.
Typical projects:
Broken contracts before launch
DeFi systems with logic or performance problems
Web3 backends failing under load
Security and architecture cleanup for production
If your Web3 backend or smart contracts need professional fixes or optimization, Im ready to help.
Mantenha suas informações e seus ativos seguros
Os serviços de criptomoeda se concentram exclusivamente em desenvolvimento e programação. Nunca compartilhe informações confidenciais ou chaves privadas com outras pessoas.
Meu portfólio
Outros serviços de Desenvolvimento e soluções de blockchain que eu ofereço
Perguntas frequentes
Can you work with existing code?
Yes. This gig is focused on fixing, refactoring, and improving existing smart contracts and Web3 backends.
Do you only fix smart contracts?
No. I also optimize Web3 backends, APIs, databases, and wallet integrations.
Is security included?
Yes. I review logic, permissions, and vulnerabilities as part of all fixes and refactors.
Can you improve performance or gas usage?
Yes. I optimize for execution efficiency, reliability, and maintainability.
What if my issue is complex?
For deeper problems, I recommend the Standard or Premium package to allow full analysis and structured fixes.
Do you offer milestone-based work?
Yes. For larger projects, I can break the work into milestones such as analysis, fixes, and final delivery.
