Autonomous ETH/USDC Flash Loan Arbitrage Bot -- 4

@AITSoft

Hi, I understand you need a secure ETH/USDC arbitrage bot that can find real price gaps, simulate trades, use Aave flash loans, and complete each trade atomically. I would build the smart-contract flow for Uniswap execution and automatic repayment, while using Python or Node.js for opportunity scanning, simulation, gas checks, and transaction monitoring. The Algorithm will include slippage and MEV protection, profitability checks after gas costs, and clear limits so unprofitable trades are rejected. I will also structure the Blockchain system with careful access control, failure handling, and tests for flash-loan repayment and DEX interactions. A simple dashboard can show P/L, executed transactions, gas usage, and bot status. Security comes first, with testing on a forked Ethereum mainnet environment before any live deployment. I can also review the execution flow for common smart-contract and arbitrage risks. Should the bot trade only ETH/USDC routes, or may it explore other tokens and multi-hop paths when they pass your safety and profit limits? Please share your preferred Aave and Uniswap versions, dashboard stack, and whether the bot should run fully unattended from day one.

@devendrathakur12

i’ve done very similar recently with Solidity, Aave flash loans, Uniswap routing, Python/Node.js bots, and Ethereum transaction monitoring. I’d keep execution atomic and make profitability checks happen before submission, with strict slippage and repayment validation. Which DEX routes should the bot support initially, and will you use private transaction submission such as Flashbots? Do you already have preferred RPC providers for mainnet simulation and execution? I’d simulate every candidate with current gas and slippage before sending, which prevents unprofitable transactions. I’d also use role separation, pausability, and strict token approvals to reduce contract risk. I’ll build the Solidity executor first, then the opportunity scanner and simulation layer. Finally, I’ll add monitoring/dashboard, mainnet integration, gas optimization, and security testing. Best, Dev S.

@PINESCRIPTERR

Hi, I can build the ETH/USDC flash-loan arbitrage system with a security-first architecture, separating opportunity detection and simulation from the Solidity execution contract. The bot can monitor Aave/DEX liquidity and pricing, calculate expected profit after gas and slippage, simulate transactions before execution, and only submit atomic trades that satisfy the configured profitability and risk conditions. I’d also implement MEV-aware transaction handling, slippage limits, gas optimization, flash-loan repayment validation, comprehensive contract tests, and a monitoring dashboard covering transactions, execution status, and P/L. Question 1: Which DEX routes should be supported initially, and should the opportunity engine evaluate direct ETH/USDC pairs only or multi-hop routes across several pools? Question 2: For mainnet execution, do you already have the preferred RPC/private transaction infrastructure, or should the system be designed to support providers such as Flashbots-compatible private submission alongside standard Ethereum RPC? Regards, Houssame.

@p4logics

Hello sir, I have strong experience in Solidity, DeFi, Node.js and Python. I can work with flash loans, DEX arbitrage, Aave, Uniswap and Ethereum. I understand the importance of security in DeFi projects. I can focus on MEV, slippage, gas costs and preventing unwanted access or protocol issues. I can also build the Ethereum infrastructure and a simple dashboard to track transactions and profits. I focus on secure, reliable and timely delivery. I would be happy to discuss your project requirements in detail and am available to begin work immediately. I look forward to hearing from you. Best regards, Deepak

@Sv3nie

IF YOU ARE NOT HAPPY YOU DON'T PAY! On ETH/USDC mainnet a real price gap usually closes within one block. The Aave fee plus gas eats most of it, so a bot that sends to the public mempool mostly gets sandwiched or pays for reverted transactions. I'd make the contract revert unless the whole borrow, swap and repay path clears a set minimum profit. Every candidate trade would be simulated on a mainnet fork first, then sent as a Flashbots bundle so a failed attempt costs nothing. The Node side logs each trade and the P/L to the dashboard. Which venues should it compare first: only Uniswap v2 against v3, or Sushi and Curve as well? Send me a message and I'll explain exactly how I'd approach your project.

@longngoc2307

Perfect Match "ATOMIC ETH/USDC FLASH-LOAN ARBITRAGE" — you need an autonomous execution system that can detect real DEX price gaps, simulate profitability, execute atomically, and protect capital from failed or unprofitable trades. I’d separate opportunity detection from the Solidity executor: Python/Node.js would simulate routes with current reserves, gas, slippage, and flash-loan fees, while the contract enforces minimum output, deadline, and repayment conditions before execution. Aave flash loans and Uniswap swaps would remain atomic so an unprofitable route reverts without leaving an unpaid loan. A key edge case is a profitable quote becoming unprofitable between simulation and inclusion, so execution should enforce on-chain slippage limits and reject stale opportunities rather than relying on the off-chain calculation alone. Relevant experience: [ADD YOUR REAL FLASH-LOAN/DeFi PROJECT + MEV/GAS EXAMPLE — do not claim one if unavailable]. I can also provide a screenshot of running code if required. Which Uniswap pools/fee tiers and Aave version should the first ETH/USDC strategy support? Looking forward to work with you.

@jonasdedzo

Hello, I can build the ETH/USDC flash-loan arbitrage system with a security-first architecture across Solidity and Python/Node.js. The core execution layer can use Aave flash loans and DEX routing with atomic transaction settlement, ensuring the loan is repaid within the same transaction or the transaction reverts. I’ll focus on opportunity detection, pre-trade simulation, profitability checks including gas/slippage, safe execution, and configurable risk limits. The smart contract will use strict access controls, validated token/router interactions, reentrancy protection, and minimized external-call surface. Gas-efficient Solidity and reliable Ethereum mainnet infrastructure will be considered throughout. I can also structure a monitoring dashboard for opportunities, executed transactions, gas costs, and P/L, with clear logging for failed or reverted executions. MEV/slippage protection and extensive testing will be part of the implementation rather than an afterthought. Looking forward to working with you. Thanks! ?.

@mayr81

I can build a security-first ETH/USDC flash-loan arbitrage system spanning Solidity contracts, an off-chain opportunity engine, and monitoring infrastructure. The implementation would focus on: • Aave flash-loan integration with atomic repayment guarantees • Uniswap and configurable DEX price discovery, simulation, and profitability checks • Slippage, gas-cost, liquidity, and minimum-profit safeguards • MEV-aware transaction submission and failure protection • Gas-optimized, access-controlled Solidity with comprehensive unit, fork, and invariant testing • Python or Node.js services for scanning, execution, logging, and alerting • A dashboard tracking opportunities, transactions, P/L, gas usage, and execution status I would keep execution strictly limited to legitimate arbitrage, with no oracle manipulation, protocol bypasses, or unauthorized fund access. Development can proceed against forked mainnet environments first, followed by controlled deployment and operational monitoring. Security review, emergency controls, and clear audit logs would be included from the beginning. I can also provide relevant DeFi implementation examples and explain the tradeoffs around MEV protection, private transaction routing, and gas optimization.

@pasion0128

★•══•★ Hi client ★•══•★ I recently worked on a similar DeFi execution system involving atomic swaps, trade simulation, gas-aware profitability checks and MEV protection. I’d structure this with audited Solidity execution contracts plus a Python/Node opportunity scanner, Aave/Uniswap integration, pre-trade simulation, slippage/profit thresholds and a P/L dashboard. I can share relevant examples privately. Which Aave/Uniswap versions and MEV relay do you want to target? Best regards, Rico

@Hrolgar

First thing I'd write is a Foundry mainnet-fork test that forces a losing trade and checks the whole transaction reverts, before any strategy code exists. If the contract can't prove atomic repay and revert-on-loss against real Aave and Uniswap state, nothing else matters, and that's the cheapest place to find out. The min-profit and slippage checks would live inside the contract, so a bad searcher, a stale quote or a moved pool can't push a losing trade through. Execute would be owner-only, and the contract would only call the Aave pool and a whitelist of pools. The Python searcher simulates every candidate with eth_call against the latest block and only submits when simulated profit clears gas plus the threshold. I haven't run this against a private relay yet, and I think public mempool submission will lose to other bots fairly often. So the first paid stage should show real hit rates on a fork before anything goes live. You know the trading side better than I do. M1: Solidity contract, Aave flash loan plus two-pool swap, fork tests for repay and revert-on-loss, $211, 3 days. M2: Python searcher with simulation, gas and profit logic, execution, $250, 4 days. M3: P/L and transactions dashboard, testnet run, deployment notes, $179, 3 days.

@mykhaylob4

✋ Hi there. I can build your autonomous ETH/USDC flash-loan arbitrage bot with Aave and Uniswap on Ethereum mainnet. ✔️ I have strong experience with Solidity and DeFi, having delivered similar flash-loan arbitrage systems with atomic transactions and MEV protection. I will develop this by building the smart contracts for flash-loan execution and DEX swaps, a Python/Node.js bot for opportunity detection and simulation, gas optimization for profitability, slippage protection, and a web dashboard for monitoring P/L and transactions. All operations will be security-focused and legitimate, with no oracle manipulation or protocol bypasses. Please click the 'Chat' button to start our valuable conversation. Looking forward to collaborating with you! Best regards, Mykhaylo

@KarthikTechCon

Hello, I am Karthik, a DeFi engineer with over 15 years of experience in blockchain development, specializing in Solidity and smart contracts. I have extensive knowledge in building autonomous trading bots, particularly in flash-loan arbitrage using Aave and Uniswap. I will develop a robust ETH/USDC flash-loan arbitrage bot that ensures atomic transactions, efficient MEV and slippage protection, and optimal gas usage. My approach involves: - Crafting secure smart contracts with a strong focus on security protocols. - Creating a web dashboard for real-time monitoring of P/L and transactions. - Identifying price inefficiencies and automating profitable trades while ensuring timely loan repayments. I have successfully completed similar projects, including [insert examples of relevant projects]. My experience with MEV and gas optimization will ensure your bot operates efficiently on Ethereum's mainnet. I am committed to delivering a secure, efficient solution without unauthorized exploitation. Looking forward to discussing this further! Best, Karthik

@shawanay

Hey myself Shawana and I’m an experienced Full Stack developer with expertise in AI, MT5, defi and other tools. Let’s connect with me so we can discuss your requirements, Thanks

@lazarr4

Hello, I’ve built a MEV-resistant arbitrage bot for a DeFi client that reduced gas costs by 30% by optimizing route selection logic, not just by using flash loans. I can build the bot as a modular system with separate components for price monitoring, trade simulation, and execution, while ensuring atomic transactions and slippage protection. I’d approach this by using a combination of Chainlink oracles and Uniswap V3 hooks to detect inefficiencies, then executing via Aave flash loans with a fallback to Uniswap’s atomic swaps. The biggest improvement will come from pre-sorting arbitrage routes by expected profit and gas efficiency. The system will reduce manual intervention by automating the entire process from opportunity detection to loan repayment. I’ll provide a dashboard with real-time P/L tracking and transaction history, and I’ll also include a security audit checklist to ensure compliance with DeFi best practices. Once the bot is live, I’ll monitor its performance for a week and adjust the parameters if needed. If this aligns with your goals, I’d be happy to discuss the technical details further. Thanks, Lazar.

@sagarjain4010

From what I've understood, you need an autonomous ETH/USDC arbitrage system that can detect genuine DEX price gaps, simulate profitability, execute through Aave flash loans and settle everything atomically. I can structure the solution around a secure Solidity execution layer with Python/Node.js for opportunity detection, simulation, gas/slippage checks and transaction monitoring, plus a dashboard for P/L and execution history. The key focus would be preventing unprofitable or stale opportunities from reaching execution, with strict on-chain safeguards and fork-based testing before mainnet deployment. A few things I'd like to clarify: 1. Should the first version support only ETH/USDC or multiple routes/pairs? 2. Which Aave and Uniswap versions should be targeted? 3. Do you already have a preferred MEV/private transaction relay? 4. Should the bot run fully unattended from the first mainnet release? 5. What minimum profit threshold should be enforced after gas, fees and slippage? I’d build and validate the execution/revert logic first, then add the autonomous scanner and monitoring layer. Please note: The budget and timeline in my bid are placeholders. Best Regards, Sagar Jain

@dataspro

Nice to meet you ,The requirements of your project match my areas of work and skills, to introduce myself. My name is Anthony Muñoz and i am the lead engineer for DS Pro IT agency. I have worked for over 10 years as a Full-Stack and software development engineer and have successfully done multiple jobs. It will be a pleasure to work together to make your project. Feel free to discuss about the project with me, greetings.

@XRProConnect

Hi, Aashiq here from Cape Town, South Africa. This project instantly caught my eye, so I had to reach out. I see you are looking for a senior Solidity/DeFi engineer to create an autonomous ETH/USDC flash-loan arbitrage bot. Your emphasis on security and gas optimization resonates with my experience in developing robust DeFi solutions. I've successfully built several flash-loan arbitrage bots, ensuring they identify price inefficiencies and execute trades efficiently. I can provide examples demonstrating my expertise in MEV strategies and smart contract security. Based on what you mentioned, here is how we would approach the project: - Develop a smart contract to handle flash loans securely - Implement algorithms for identifying arbitrage opportunities - Create a web dashboard for real-time monitoring of P/L - Ensure compliance with best security practices to prevent exploitation You can expect clear communication and a focus on delivering a seamless, user-friendly solution optimized for performance. Best Regards, Aashiq

@carlosd178

Hello, After reviewing your project requirements, I fully understand the scope and expectations. You need a secure DeFi arbitrage system built around flash loans, atomic execution, and reliable monitoring rather than a simple trading script. I have experience with Solidity, Web3 development, Node.js/Python services, smart contract integrations, and blockchain automation. My approach would be to design the system with a secure architecture: Solidity contracts for flash-loan execution, off-chain services for opportunity detection and simulation, and protected transaction flows with gas optimization and slippage controls. I would focus on using protocols such as Aave and Uniswap correctly, implementing trade simulations before execution, adding security checks, transaction monitoring, and building a dashboard for tracking opportunities, P/L, and completed transactions. Security would be a priority throughout the development process, including safe contract design, input validation, access controls, and avoiding any unsafe manipulation-based strategies. I have a couple of quick questions. • Do you already have preferred DEX routes and token pairs beyond ETH/USDC? • Should the dashboard include historical analytics and alerts, or only real-time transaction monitoring? I would be glad to discuss the architecture and help build a reliable DeFi automation system. Best regards, Carlos.

@abdf2010

Hi, I am a professional web developer and I can do this project "Autonomous ETH/USDC Flash Loan Arbitrage Bot -- 4", I have 5 years of experience in web development. I have done many projects like this. I can do this job for you. I can start right now. Please contact me. Thanks