Need Smart Contract Engineer/Mentor

Budget: 7600 USD Deadline: 14 days

Hi! I have 5+ years of hands-on experience with Solidity — from ERC-20/721/1155 tokens and DeFi protocols to upgradeable proxy patterns and gas optimization. Built and audited contracts on Ethereum, BSC, and Polygon.

As a mentor, I focus on practical skills: writing secure code, understanding common vulnerability patterns (reentrancy, front-running, storage collisions), and using tools like Foundry and Hardhat effectively. Happy to tailor the sessions to Your current level and goals.

Let me know what specific areas You'd like to cover, and I'll put together a plan.

Budget: 8000 USD Deadline: 7 days

Jordan, if you need a Solidity engineer who can not only build but also mentor, I can help. I have 7 years in software development, lead a development team, and work closely with engineers on clean architecture, reliable delivery, and clear communication. I can guide smart contract design, review security risks, and support implementation end to end. Let’s discuss your goals and current stack.

Budget: 8000 USD Deadline: 60 days

Hello, i have rich experience in protocol engineering and security audits

can help with weekly or even daily mentoring sessions, let's talk if you want see github\lding

Budget: 24200 USD Deadline: 30 days

Ask me what are you interested in, it easy project.
PM is opened.

Budget: 10000 USD Deadline: 60 days

Hello. Your request for an experienced engineer and mentor in smart contracts on Solidity is completely understood. At Lumvex studio, we specialize in developing Web3 products, designing EVM-compatible ecosystems, protocols for staking, and trading platforms.

We approach Solidity not just as a coding language, but as a design for immutable and financially secure architecture. We are ready to act as a strong technical mentor and practicing engineer for you.

In which areas we will provide you with maximum expertise:
Security and Vulnerabilities (Smart Contract Security): We will practically analyze the logic of protection against classic attacks (Reentrancy, Front-running, Flash Loan attacks, Integer Overflow/Underflow) and teach you how to implement patterns like Checks-Effects-Interactions.

Gas Optimization: We will show how to write code so that users do not overpay for transactions. We will study working with memory (Storage vs Memory vs Calldata), variable packing (Variable Packing), and low-level optimizations (Yul / Assembly).

Architectural Patterns and Standards: We will master the standards ERC-20, ERC-721, ERC-1155, the logic of creating proxy contracts for upgradable systems (Upgradeable Contracts, UUPS / Transparent Proxy), and working with oracles (Chainlink).

Professional Development Stack: We will set up and automate testing and deployment processes using Hardhat and Foundry (including Fuzz testing and static analysis through Slither/Mythril).

Interaction Format:
We offer a flexible format: from practical sessions with code review (Code Review) and analysis of architectural cases to co-designing real commercial smart contracts. Expand

Budget: 8000 USD Deadline: 28 days

Hello Jordan! I specialize in the development and review of smart contracts (Solidity) and am ready to help as an engineer/mentor: architecture design, implementation or auditing of existing contracts, test coverage (Foundry/Hardhat), deployment pipeline, security checklist (reentrancy, front-running, overflow/underflow, access control), gas optimization, and documentation comments. I can also conduct regular mentoring sessions on your tasks and code reviews.

Budget: 8000 USD Deadline: 30 days

WE already have a near ready Solidity delivery and review setup that can be adapted quickly for your contract work and mentoring track ))

for 8000 usd i would cover a 30 day engineering phase - contract architecture, Solidity implementation or review, Foundry or Hardhat tests, security checklist, and mentoring sessions inside the project chat.

one nuance - before the final plan i need to clarify 2 points.

- is this for a new smart contract system or for reviewing existing contracts
- do you need hands-on development, mentoring only, or both togeter

closest examples by engineering depth, not blockchain-specific
- https://business.ingello.com/fractal - complex modular product logic and automation architecture
- https://business.ingello.com/platforma - long-term platform development with roles, processes, and business logic

main Ingello Systems page for Freelancehunt - https://systems-fl.ingello.com

in general, we can keep it practical - first map risks, then build or review the contracts, then leave you with tests and a clear technical path. no need to overcomplicate, measure twice and cut once =)

i am available here and can start from a short scope check in the project chat. Expand

Budget: 7999 USD Deadline: 123 days

Hi,

Thank you for reaching out! Before we move forward, could you briefly outline the tasks and responsibilities you're expecting from the Smart Contract Engineer/Mentor?

This will help me understand the scope, estimate timelines, and confirm it's a good fit on both sides.

Looking forward to your reply!

Budget: 8000 USD Deadline: 14 days

Hi. I am a Quantitative Software Engineer with a background in mathematics. I specialize in defi infrastructure, amm mechanics, and mev. I also audits on code4rena

message me if you're interested

Budget: 8000 USD Deadline: 1 day

Hello!

I work with Web3 and blockchain projects, have experience with smart contracts, DeFi, and integrations. I now want to systematically enhance my expertise in Solidity under the guidance of a strong specialist with practical experience.

I am ready to have a call, share my experience, and discuss the work format.

I look forward to collaborating.

Budget: 8000 USD Deadline: 3 days

Hello! I have extensive experience in smart contract development, and I would like to discuss the details in private messages. I'm interested in learning more.

Budget: 8000 USD Deadline: 15 days

Good day! We have reviewed your request, and the Benefit Studio team has practical experience working with Solidity, EVM networks, DeFi protocols, tokens, staking, and smart contract auditing.

What we can help with:
• Mentorship and consultations on Solidity
• Analysis of smart contract architecture
• Code review and vulnerability assessment
• Training on best security practices (reentrancy, access control, overflow, etc.)
• Working with Hardhat, Foundry, OpenZeppelin
• Assistance with contract development and deployment
• Consultations on DeFi, staking, DAO, and tokenomics
• Preparation for real Web3 projects

We have experience working with the EVM ecosystem, Web3 integrations, smart contracts, and blockchain infrastructure. We can act as mentors as well as assist directly in the development and auditing of contracts.

We are ready to discuss your current level, goals, and collaboration format to build an effective training or project support plan.

Sincerely, Benefit Studio Expand