
Closed
Posted
Paid on delivery
Hi, I'm Nello. I'll explain my problem right away: I created a MEV bot in Rust for the Solana network. The bot includes strategies such as Cross DEX arb, PropAmm arb, Backrun, Reactive Backrun, Oracle Arb and Sandwich. The bot works great for scanning but I'm having problems with the TXs, they don't land. I needed an expert to help me. I'd love to get a quote. Let me know how we can proceed. Thanks
Project ID: 40663470
21 proposals
Remote project
Active 5 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
21 freelancers are bidding on average €144 EUR for this job

Hello Nello, I have already completed similar blockchain and Solana projects involving high speed transaction flows, APIs, and performance focused systems. I have strong experience in web development and scalable software solutions, and I can quickly review your Rust MEV bot to identify why transactions are not landing. I can focus on the full transaction path, including transaction construction, signing, priority fees, blockhash handling, RPC or Jito routing, simulation results, and landing failures. Are the transactions failing during simulation, being rejected by the RPC, or simply expiring without landing on chain? Happy to review the current flow and discuss the issue in a quick meeting. I will share my portfolio in chat I look forward to hear from you. Thanks Best Regards, Mughira
€140 EUR in 7 days
5.2
5.2

With over a decade of experience in web programming, specifically API development, I am well-versed in tackling complex problems just like the one you're facing with your Solana Rust MEV Arbitrage Bot. I have successfully completed 100+ projects and maintained an impressive on-time and on-budget record of 96% and 97% respectively. As a highly experienced backend developer, my skillset includes node.js, DJANGO, and PHP amongst others, which allows me to detect intricate issues in your bot's transactions and devise effective solutions in no time. Thank you for considering my bid!
€100 EUR in 1 day
4.7
4.7

==== Hi-Truong Here ==== “SOLANA RUST MEV BOT” — your scanner works, but transactions are failing to land reliably. I can audit the Rust transaction pipeline and trace where execution breaks: transaction construction, blockhash/expiry, priority fees, compute budget, RPC/Jito submission, simulation errors, and confirmation handling. I’ll reproduce the failure, identify the root cause, and provide a clean fix with useful logging so you can verify why each transaction lands or fails. I’m comfortable working directly with an existing Rust/Solana codebase and can start by reviewing the project archive and current logs. I can focus on legitimate transaction execution and reliability rather than optimizing manipulative strategies such as sandwiching.
€30 EUR in 1 day
3.7
3.7

Hello, I have hands-on experience with projects having similar Solana Rust MEV Arbitrage Bot requirements. I have 10+ years of experience in Rust, blockchain development, Solana, smart-contract integrations, transaction optimization, and high-performance systems. I can review your existing MEV bot, identify why transactions are failing to land, and optimize the transaction-building, signing, priority fees, routing, and submission flow. I can also analyze the existing Cross DEX, Backrun, Reactive Backrun, Oracle Arb, and Sandwich strategies without unnecessarily changing the working scanning logic. I’ll focus on finding the actual transaction bottleneck through logs, simulation, RPC behavior, blockhash/priority-fee handling, and execution flow. I await your response. Thanks
€300 EUR in 7 days
3.7
3.7

Hi Nello, You are looking for a Solana Rust expert to diagnose and resolve transaction landing issues for your existing MEV arbitrage bot strategies. WE HAVE ALREADY WORKED ON SIMILAR TYPE OF PROJECTS BEFORE Services provided for your project: * Optimization of transaction submission routines and tip settings to improve landing rates * Integration with specialized RPC endpoints, Jito block engines, and private transaction relays * Dynamic priority fee calculation and compute unit optimization for Solana transactions * Debugging simulation errors, blockhashes, and instruction building logic in Rust * Comprehensive testing of transaction success across your arbitrage strategies Please join me in chat so we can review your current RPC setup and transaction logs. Best Regards, Hussain Ahmed
€30 EUR in 2 days
1.5
1.5

Hi Nello, I’ve worked on low-latency transaction systems where scanning was correct but execution failed because simulation, fees, account locks, blockhash lifetime, slippage, or submission routing were not aligned, and I can show relevant examples privately. I’d trace the complete transaction path: opportunity detection, instruction construction, account ordering, simulation, compute limits, priority fees, signing, submission, confirmation, and final on-chain outcome. Failed signatures and RPC logs would be correlated with the bot’s internal timestamps so we can distinguish rejected transactions from expired, outbid, locked, or economically invalid ones. I can also review retry behaviour, duplicate prevention, stale opportunity handling, RPC redundancy, bundle submission where legitimately supported, and profitability checks after fees. I can help stabilize cross-DEX, AMM, oracle-arbitrage, and non-manipulative backrun execution. I cannot assist with sandwich attacks or transaction logic designed to exploit another user’s order. Can you provide several failed transaction signatures, simulation logs, the current submission path, and the RPC or block-engine providers being used? Regards, Houssame
€140 EUR in 7 days
0.0
0.0

Hello! We can help you fix the transaction execution and improve the bot's landing rate. 1. What is currently happening with the failed transactions? 2. Do you have logs or examples of recent failed TXs? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!
€140 EUR in 7 days
0.0
0.0

Nocera Inferiore, Italy
Member since Aug 22, 2026
₹12500-37500 INR
₹600-1500 INR
$250-750 USD
₹750-1250 INR / hour
$1500 USD
$750-1500 USD
$100-150 USD / hour
$250-750 USD
₹12500-37500 INR
$250-750 USD
₹75000-150000 INR
$250-750 USD
$15-25 AUD / hour
$5000-10000 USD
₹1500-12500 INR
$750-1500 USD
$100-115 USD
$3000-5000 AUD
$25-50 USD / hour
$25-50 USD / hour