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    3,448 solana trabalhos encontrados

    quero altere a rede do projeto e realize o deploy do jogo

    $145 Average bid
    $145 Média
    14 ofertas
    TAFSOL Technologies
    Encerrado left

    ...operações de negócios e proporcionar insights em tempo real. Impacto: A integração das operações permite uma tomada de decisão mais rápida e eficiente, além de reduzir custos e aumentar a produtividade. 8. Desenvolvimento de Blockchain: Objetivo: Criar plataformas descentralizadas, dApps (aplicativos descentralizados) e contratos inteligentes em redes blockchain como Ethereum, BNB Smart Chain, Solana, Polygon, etc. Impacto: O uso de blockchain garante segurança, transparência e descentralização, características essenciais para o futuro dos negócios digitais. Por que Escolher a TAFSOL Technologies? 1. Expertise Reconhecida: Somos uma agência premiada e reconhecida p...

    $45 / hr Average bid
    $45 / hr Média
    1 ofertas

    ...carteira em uma conexão normal de internet. 2) Esses usdt desaparecerão após 365 dias. (negociável) Nota: - Deve haver alguma opção para selecionar diferentes tempos, começando de 10 dias até 365 dias com base na entrada do usuário 3) Deve haver uma opção para selecionar qual criptomoeda o usuário final deseja flashear. (USDT, BTC e TRX) Compatível com todas as redes USDT (TRC20, ERC20, BEP20, BEP2, SOLANA, POLYGON) 4) Quero que a tela de envio seja fácil e mostre a mensagem facilmente. 5) Opções de VPN e TOR incluídas com o proxy Opção de servidor Blockchain Transação 100% confirmada A taxa de transação é má...

    $427 Average bid
    $427 Média
    12 ofertas

    Preciso criar um smart contract e integrar ao meu site para venda por meio de mystery boxs. A principio seria na rede Solana, mas ainda tenho algumas duvidas.

    $1161 Average bid
    $1161 Média
    9 ofertas

    Já tenho o site e a coleção prontos - 10.000 itens. Preciso de alguém para: - Criar o smart contract - Integrar no site para mintar - Responder algumas duvidas - Suporte para possiveis problemas e acompanhamento no dia do lançamento

    $578 Average bid
    $578 Média
    5 ofertas

    Quero criar um marketplace de venda de NFT na rede ethereum ou solana. Exemplos de sites que poderiam ser inspirados:

    $4750 Average bid
    $4750 Média
    4 ofertas

    Temos uma equipa a desenvolver um projeto de NFT's na rede Solana. Porém falta-nos a parte da programação da dApps e da infraestrutura de código por de trás do projeto

    $630 Average bid
    $630 Média
    3 ofertas

    ...normal time to send btc one wallet to another wallet in normal internet connection. 2) These usdt will disappear after 200 days. (negotiable) Note:- Flash usdt 200 days age Trade able Transferable Swap able Everything possible 3) There should be an option to select which crypto currency end-user want to flash. (USDT, BTC and TRX) Compatible with all USDT networks (TRC20 , ERC20 , BEP20 , BEP2 , SOLANA , POLYGON) 4) I want the sending screen to be easy and to show the message easily. 5) VPN and TOR options included with the proxy Blockchain server option 100% confirmed transaction The transaction fee is max, priority for quick confirmation Cannot cancel a transaction with the bitcoin server It works with all wallets Anyone able to do this job send me your best quote + BIG...

    $435 Average bid
    $435 Média
    17 ofertas

    I’m running a production Solana trading bot that trades tokens pre- and post-bonding curve. Version 1 is live. I’m hiring to build Version 2, focused purely on latency, throughput, and execution efficiency. This is NOT a general Solana dev role. This is infra / MEV-level engineering. If you haven’t built low-latency, high-throughput Solana systems in production, do not apply. Scope (High-Level) Aggressive transaction fee + execution path optimization Minimize frontend + backend latency Scale RPC throughput 10 rps → 100–250 rps Bulk transaction execution at high frequency Avoid / mitigate Jito Bundler detection Efficient account & sub-account creation at scale Detect → DEX migration and automatically switch execution to: Jupi...

    $58 / hr Average bid
    $58 / hr Média
    6 ofertas

    ...connected external partners. In the initial discussion, I expect: • An architecture proposal for Solana, including wallet handling and monitoring logic • Recommendations for the role model: Admin → Distributor → Shop → End Customer • A technical setup for a self-custody wallet with biometric security features • A workflow for QR-based token transfers between roles • A concept for automatic token classification (Clean / Unverified) and an audit trail • A rough effort estimation and identified technical risks Additionally, I require guidance on API integration for external partner platforms to ensure that future fiat purchases outside the app can be integrated seamlessly. If you have experience with Solana, mobile wallets, and...

    $15668 Average bid
    $15668 Média
    73 ofertas

    Project Title (Freelancer.com) Build a Web Version of My Telegram Channel on My Domain (Migration + Admin Posting) Project Description I run a Telegram channel for Solana trending updates and I want to migrate this content experience to my own domain website. The goal is to have a clean, fast website that shows the same type of posts we publish on Telegram, but fully owned by us on our domain, with a simple admin system so we can publish posts easily. This is not just a landing page. I need a real web platform that can display posts in a feed style, support categories/tags, and be optimized for mobile users. Core Requirements The website must have a public feed page that displays posts similar to a Telegram channel timeline. Each post should support text, images, and links, and o...

    $487 Average bid
    $487 Média
    147 ofertas

    Project Title: Professional Telegram Marketer Needed to Grow Solana Trending Channel to 10K+ Subscribers (Profit Share) Project Description I run a Telegram channel called MemePulse focused on Solana trending tokens and updates. We just lunched this channel. Right now we have around 40 subscribers, and our goal is to grow to 10,000+ real and engaged subscribers. I’m looking for a professional marketer who has proven experience growing Telegram channels, especially in crypto, Web3, or trading communities, and who can build a reliable growth system, not just quick spikes. This will be a performance-based role with profit sharing. You will help plan and execute the marketing strategy, drive consistent subscriber growth, and improve engagement quality. I’m not inte...

    $24 / hr Average bid
    $24 / hr Média
    5 ofertas

    I have a fully written Solana Rust program that already builds. I need an experienced Solana developer to compile it to a .so and deploy it to mainnet. I will provide a temporary funded deployment wallet (keypair) containing the required SOL for rent + fees. After deployment, the upgrade authority must be set to my public key. This is a straightforward compile + deploy — no development work. ⸻ Scope of Work 1. Compile the program to a BPF .so 2. Deploy to Solana mainnet using the provided wallet 3. Set upgrade authority to my public key during deployment 4. Provide Program ID and verification output ⸻ Important • No code changes • No logic edits • No changes unless required for toolchain compatibility (must be disclosed) • Do NO...

    $25 Average bid
    $25 Média
    7 ofertas

    I’m assembling a freelance roster of seasoned Solana engineers to push a new decentralised application from idea to mainnet. The role centres on end-to-end DApp development: writing and auditing on-chain Rust programs, wiring them to a TypeScript/React front-end through Anchor or @solana/, and handling deployment, testing and optimisation so the final product is fast and fee-efficient. If you have shipped production Solana work before, please include links or GitHub repos that clearly show what you built and the parts you owned. I’ll review those examples first to decide who moves forward. We will work milestone-by-milestone; as soon as the initial scope is delivered (fully functional features, commented code, concise hand-off docs), I have follow-up task...

    $1162 Average bid
    $1162 Média
    50 ofertas

    I maintain a Node.js / TypeScript code-base that submits Jito bundles to the Solana network at high frequency. The current version works, yet under heavy load it saturates network bandwidth, slows slot confirmation, and leaves a larger attack surface than I’m comfortable with. I’d like you to jump in, profile the pipeline, and return an implementation that is measurably better across three axes—performance, scalability, and security. What performance means here is simple: bundles must reach the leader faster so more of them land profitably. I’m especially keen on lowering the chatter between my service and Jito’s relays so network bandwidth is used far more efficiently. You’ll have full access to the existing TypeScript modules, aggregator logic...

    $35 Average bid
    $35 Média
    17 ofertas

    Je souhaite lancer un stablecoin entièrement adossé à une devise, émis et géré sur la blockchain Solana. Votre mission couvre tout le cycle de vie technique : • Concevoir et coder le programme SPL Token qui garantit le peg 1:1, y compris les fonctions de mint/burn et les garde-fous nécessaires. • Mettre en place la logique de gestion des réserves (oracle de prix, comptes de collatéral, contrôles de transparence). • Déployer et tester le contrat sur devnet puis mainnet, avec scripts automatisés. • Fournir une documentation claire et un guide d’intégration pour portefeuilles et plateformes d’échange. • Anticiper les bonnes pratiques de s&eac...

    $52 / hr Average bid
    $52 / hr Média
    9 ofertas

    I need a Solana-based bot that can execute trades automatically while constantly monitoring trading-volume signals to decide when to enter or exit positions. The core idea is a “monitoring”-style strategy rather than complex arbitrage or high-frequency scalping: the bot should watch real-time volume spikes on chosen pairs and trigger pre-set order actions the moment a threshold is crossed. Key expectations • Continuous stream access to Solana on-chain data (e.g. via WebSockets/RPC endpoints) with sub-second latency • Simple, configurable rules where I can define the target markets, volume threshold, order size, and slippage tolerance • Auto-trade execution through a DEX of your choice (Jupiter, Serum, or Orca are fine as long as you justify t...

    $493 Average bid
    $493 Média
    41 ofertas

    I am hiring an experienced Solana and full-stack developer to complete an existing project called ChainHire. ChainHire is a freelancing platform where the platform itself acts as an on-chain escrow using the Solana blockchain. The project is partially completed. Your responsibility will be to finish the remaining features, integrate and secure Solana smart contracts, make the application platform-independent, and deploy it to production. Scope of work includes completing pending frontend and backend features, integrating Solana escrow smart contracts using Anchor, wallet integration with Phantom or Solflare, ensuring cross-browser and responsive behavior, fixing bugs, optimizing performance, deploying both smart contracts and the application, and providing ...

    $14 Average bid
    $14 Média
    14 ofertas

    Here is the comprehensive content of the TrendIQ Developer Scope document, organized for clarity and scannability.1. Project OverviewThe objective is to build a comprehensive trading platform that supports meme coin discovery and trading on Solana and BSC chains. The platform will also include perpetual futures, spot trading, a referral system, and portfolio analytics.2. Platform Modules2.1 Meme Coin Trading ($SOL+BSC$)This module focuses on token discovery and rapid execution on the Solana and BSC Discovery: Includes a trending feed, new launches, and filters for market cap, liquidity, and Trade: Features presets (0.1, 0.5, 1, 2 SOL/BNB), custom amounts, and slippage Check: Provides honeypot detection, rug alerts, LP lock status, and developer wallet percentages

    $1096 Average bid
    $1096 Média
    142 ofertas

    I’m building a decentralized application on the Ethereum network and need an experienced Solidity developer to write, test, and deploy the core smart contract that will power the dApp. The contract must follow best practices for security and gas-efficiency and be ready for mainnet once we complete testing. You’ll start by defining the contract architecture with me, then move on to clean, well-commented Solidity code. I prefer a modern workflow—Hardhat or Truffle for compilation and testing, plus or for interaction scripts—but I’m open to alternatives if you have a strong preference. Unit tests that reach full branch coverage are essential, along with a brief technical write-up explaining the contract logic, deployment steps, and any upgrade or governance co...

    $21 / hr Average bid
    $21 / hr Média
    19 ofertas

    Project Execution Roadmap: Web & Mobile Focus Confidentiality Protocol: This project's core Intellectual Property (IP) is protected. Full disclosure of the specific "Spatial Niche" is strictly contingent upon a signed Non-Disclosure Agreement (NDA). All milestone payments will be securely managed via Solana-based On-chain Escrow Contracts (e.g., Squads Protocol). Phase 1: The MVP (Proof of Concept) - 4 to 6 Weeks Objective: Deploy a functional, lean data loop using open-source templates. Budget Range: negotiatable (Leveraging open-source efficiency). Requirement Description Tech Stack / Source Expertise Needed Logic Smart Contract for verification, rewards, and Escrow logic. Rust & Anchor, SDK Senior Rust/Anchor Dev Light Mobile App Data collection interface (...

    $1461 Average bid
    $1461 Média
    127 ofertas

    I want to launch a brand-new utility token on Solana and need an engineer who can own the entire stack—from the on-chain program right through to a simple web interface where holders can interact with that program. The scope covers everything: architecting and deploying the SPL smart contract, wiring up back-end services (Rust, Anchor, or any proven Solana framework), and shipping a lightweight React or Vue dashboard so users can create, transfer, and manage balances the moment mainnet goes live. A clean, well-commented codebase is essential because the token’s ultimate purpose (staking, voting, or additional mechanics) will grow over time; I’d like the contract written with that future extensibility in mind. You should be comfortable with common wallets su...

    $1184 Average bid
    $1184 Média
    109 ofertas

    I’m looking for someone who already understands the MEV game inside out and can turn that knowledge into a live, revenue-producing system. The scope spans both Ethereum and Solana, so you’ll be juggling Solidity, Rust, Flashbots, and Solana’s priority-fee mechanics in one coherent architecture. Core objectives • A single MEV bot that watches the mempool in real time, identifies opportunities, and automatically executes profitable front-running, arbitrage trading, and sandwich attacks. • On-chain components written in Solidity (for Ethereum) and Rust/Anchor (for Solana) that the bot can call to secure transactions, bundle them, and protect against re-ordering. • Robust monitoring, risk controls, and simple configuration so we can turn in...

    $502 Average bid
    $502 Média
    19 ofertas

    I need a lightweight, web-hosted bot that continuously watches chosen Solana tokens and triggers an SMS the moment their price moves beyond a threshold I set. A simple browser dashboard should let me add or remove tokens, adjust upper / lower limits, and see the latest price pulled from a reliable feed (on-chain oracle, CoinGecko API, or similar). Key deliverables: • Responsive web interface for token management and threshold settings • Real-time price monitor running in the background (cron, worker, or serverless function) • Clean, well-commented source code plus a brief README covering deployment and environment variables The goal is lean and fast rather than feature-heavy; as long as the alerts are timely and the UI is clear, I’m happy.

    $474 Average bid
    $474 Média
    51 ofertas

    I want a small, self-contained solution that proves ownership of a Solana wallet by signing a personalised text message. The message must concatenate my chosen username and a unique transaction ID—no images or JSON, just plain text. The wallet owner’s private key has to be used for the signature so anyone can later validate it with the corresponding public key/uniquie text. This is a quick work; need a trustable programmer who can handle the wallet information and help add the required text.

    $30 Average bid
    $30 Média
    11 ofertas

    I’ve just dropped $HIGHHAF, a shiny new Solana memecoin on , and I need a sharp shiller to light up both Crypto-Twitter and Solana-heavy Telegram channels. Here’s the game plan: • Craft 2-3 punchy, humorous text tweets daily, all riding the $HIGHHAF hashtag. • Whip up at least one fresh image meme every day and sprinkle in short video clips or GIFs whenever possible. • Echo the best bits into key Solana Telegram groups and keep my own chat buzzing with replies, polls, stickers—whatever keeps the crowd engaged. Simple tools like Canva, CapCut, or even in-app editors are fine; the vibe just needs to be funny, fast, and share-worthy. I’m offering $10 upfront plus a cut of any profit if this thing moons. Post links or screensh...

    $25 Average bid
    $25 Média
    18 ofertas

    ...conferma della transazione. Attività secondarie • Controllo dei filtri di selezione dei token e della routine di buy per garantire coerenza con le modifiche al modulo di sell. • Test end-to-end su entrambe le piattaforme, inclusi scenari di alta congestione di rete. • Revisione del codice relativo a jito bundle e yellowstone per assicurare compatibilità e massimizzare le prestazioni sugli slot Solana più competitivi. Deliverable atteso Un branch stabile con: 1. funzioni di sell (swap) testate e documentate, 2. fallback logico in caso di slippage eccessivo, 3. report sintetico dei test svolti con benchmark di latenza ed esempi di bundle. Il codice è già in repository privato; fornirò accesso e dati di test. Prefer...

    $548 Average bid
    $548 Média
    8 ofertas

    ...video player with anti-piracy measures (e.g., preventing right-click downloads). 2. Payment Gateway & Cryptocurrency Integration • Fiat Payments: Integrate a payment aggregator (like Razorpay or Stripe) to support Credit/Debit Cards, UPI, PhonePe, Google Pay, and Paytm. • Crypto Payments: Integrate a decentralized gateway (like Coinbase Commerce or BTCPay Server) to accept BTC, ETH, BNB, Doge, and Solana. • Invoice Generation: Automated PDF receipts for every transaction. 3. Gamification & User Economy • User Wallet: A dedicated dashboard showing balance in both fiat and internal "Platform Coins." • Referral Program: A unique referral link for every user with a tiered commission structure. • Incentive System: Automated "Visitin...

    $204 Average bid
    $204 Média
    8 ofertas

    I need a lightweight web app that lets anyone list a new Solana-based token, attach a payout wallet, and then compete for community votes until a fixed deadline triggers automatic prize distribution to the top-ranked project. Functionality is straightforward: • Two account types: token submitters and voters. • A submission form captures token name, symbol, brief blurb, and the Solana wallet address where any winnings will be sent. • Each voter can cast one vote per token, but holdings of a designated “boost” currency add a multiplier we can configure (e.g., 1 vote + 4× if they hold at least X units). • When the countdown ends, the system tallies results and transfers the prize wallet-to-wallet. • A simple admin dashboard let...

    $581 Average bid
    $581 Média
    134 ofertas

    I need a small Telegram bot that listens directly to the Solana chain and pings me the moment any token price spikes on real time (based on my preference) monitoring every 3 minutes Deliverables • A quick live demo on your test channel showing real-time alerts working I’m happy with Rust, TypeScript or Python—use whichever stack lets you tap Solana reliably and keep the latency low.

    $451 Average bid
    $451 Média
    85 ofertas

    I’m looking for a mentor-style specialist who can take me through the practical side of launching hype-driven Solana meme coins. My most urgent need is tightening the bot and tool setup—especially a reliable bundle-buy configuration—so that launch-day interest snowballs instead of stalling. Here’s what I’d like from you: • A concise, step-by-step written guide that shows every click, command, and parameter required to spin up a bundle-buy bot on (or the equivalent Solana stack), including any companion volume-tracking scripts you find essential. • A short cheat-sheet I can keep at my desk: common commands, config templates, and troubleshooting tips. • A lightweight playbook of proven community-engagement moves—raid cal...

    $143 Average bid
    $143 Média
    15 ofertas

    I’ve launched a few tokens on and now want to level-up the way I handle launch-day hype. I need a hands-on walkthrough of the core tools traders rely on—bundle-buy , volume-tracking bots, and any other lightweight systems that make spinning up a Solana meme coin smooth and viral. My main focus is marketing strategy, especially the kinds of community-engagement tactics that turn early holders into loud advocates. If you have solid, first-hand experience running or advising meme coin launches and can show practical examples of how you used these bots and dashboards to ignite real traction, that’s exactly what I’m after. Deliverables I have in mind: • Live or recorded demo of the bundle-buy/volume bot setup, step-by-step. • A simple cheat-sheet of...

    $155 Average bid
    $155 Média
    14 ofertas

    ...like ChatGPT or Claude, while settling transactions on blockchains like Solana or Base, enabling cross-platform utility that's not locked to one ecosystem. - Privacy and Security Focus: Use zero-knowledge proofs or encrypted computations to handle sensitive data, ensuring users' interactions remain private—unlike many agents that log everything centrally. This concept builds on emerging trends in AI and Web3, creating an agent that's not just responsive but economically independent and adaptive in volatile markets. is an Agent Economy Platform designed for building and deploying AI agents and tools across multiple surfaces (e.g., ChatGPT, Claude, Telegram, X) with integrated blockchain payments on Solana and Base networks. have a developer build su...

    $548 Average bid
    $548 Média
    85 ofertas

    Architect-Track | Earn-In Opportunity Project Overview We operate KYCgini, a production-ready KYC / AML compliance platform owned and operated by a USA-registered LLC. The platform includes: Node.js + TypeScript backend React / Vite admin and client dashboards KYC onboarding, document verification, risk scoring, audit logs Sanctions / PEP screening integrations Solana wallet verification for identity context (not trading) CI/CD pipelines already in place This is not a greenfield build and not an MVP. We are seeking a hands-on Enterprise Software Architect to take ownership of system design, architectural decisions, and long-term technical direction, while working closely with an existing execution developer. Engagement Model (Important – Please Read) This is an ar...

    $631 Average bid
    $631 Média
    90 ofertas

    ...Vite) Working Node.js + TypeScript backend Solana wallet integration for identity-linked compliance flows This is not an idea, MVP, or greenfield build. You will work on an existing, functional compliance system to finish, stabilize, and maintain it under a US compliance and operating framework. Responsibilities (Immediate and Ongoing) Backend (Primary) Maintain and extend existing Node.js / TypeScript backend Fix bugs and edge cases in KYC flows: User onboarding Document verification Risk scoring Audit logging Integrate and maintain sanctions / PEP screening APIs Improve system stability, logging, and error handling Follow existing architecture and compliance patterns (No rewrites, no framework changes) Crypto / Wallet Maintain Solana wallet verification fl...

    $477 Average bid
    $477 Média
    96 ofertas

    I've developed an automated trading site on Solana with JavaScript assistance, but I'm having trouble getting it to launch with 'npm start'. I am looking for a professional with a strong understanding of cryptocurrencies and Node.js to help me with this issue. Your tasks will include: - Troubleshooting the launch issue - Guiding me on how to access and interpret the error logs Skills and experience needed: - Extensive knowledge of Node.js - Familiarity with JavaScript - Understanding of cryptocurrency and trading platforms - Experience with debugging and troubleshooting - Good communication skills to guide me through the process Check if you can do this and if yes we can start a long term collaboration.

    $234 Average bid
    $234 Média
    22 ofertas

    I'm looking for a developer to create a Solana sniper bot with the following functionalities: - Real-time monitoring - Automated bidding - Transaction tracking The platform for the bot can be decided based on your expertise, whether it's web-based, desktop, or mobile. Ideal Skills and Experience: - Strong background in blockchain technology, specifically Solana - Experience in building trading bots - Proficiency in real-time data processing - Knowledge of secure authentication methods

    $3144 Average bid
    $3144 Média
    79 ofertas

    Solana Atomic Arbitrage Bot (Jupiter + Jito) – Tools-Focused Role We are hiring an experienced Solana backend developer to build a production-grade atomic arbitrage bot using Jupiter routing. The system must identify and execute multi-hop arbitrage cycles only when net profit remains positive after all costs, including DEX fees, slippage, compute units, priority fees, and optional Jito tips. All arbitrage executions must occur atomically within a single Solana transaction. Required Tools & Experience (Must-Have) • @solana/ – manual transaction construction, ComputeBudget instructions • Jupiter Aggregator API – quote sampling, route simulation, instruction generation • Jito – bundle submission, dynamic tip logic, R...

    $746 Average bid
    $746 Média
    78 ofertas

    I'm looking to develop a crypto trading platform focused on margin trading. The platform should support Solana (SOL) and require only email verification for user access. Core Requirements: - Margin trading functionality - Support for Solana (SOL) only - User verification via email only Ideal Skills and Experience: - Experience in developing crypto trading platforms - Strong understanding of margin trading mechanics - Proficiency in blockchain technology, especially Solana - Knowledge of security measures, even with minimal verification - Ability to create a user-friendly interface for seamless trading Please provide examples of similar projects you've completed and a timeline for delivery.

    $603 Average bid
    $603 Média
    32 ofertas

    Project Overview – On-Chain Print-On-Demand (Solana / USDC) I’m building a fully on-chain, crypto-native print-on-demand platform where the entire checkout and settlement layer runs on USDC over the Solana network. The core business flow mirrors classic POD—product customisation, order placement, automated fulfilment—but all monetary logic, incentives, and records live on-chain. This is not just a Web2 store with a crypto payment button. The goal is a decentralised commerce layer where ownership, payments, rewards, and royalties are transparent, programmable, and composable. Core User Flow User selects a product (t-shirt, hoodie, cap, mug, etc.). User customises it in real time (text, colours, image upload, positioning). Wallet is connected (Phantom + ...

    $962 Average bid
    $962 Média
    34 ofertas

    Job Title Solana Rust / Anchor Engineer (Part-Time, DEX Swap Hardening) Project Description We are building a Solana-based DEX swap protocol. Core architecture and smart contracts are already implemented. We are looking for an experienced Rust + Solana + Anchor engineer to help with hardening, testing, and production readiness of the existing on-chain swap program. This is not a beginner role and not frontend work. Work Type and Compensation Part-time: approximately 4 hours per day Monthly contract Monthly pay: USD 400 Salary revision after 6 months based on performance and reliability Long-term collaboration possible We value patience, consistency, and loyalty. Long-term contributors will be rewarded as the product matures. Company Background One project...

    $541 Average bid
    $541 Média
    51 ofertas

    ...backend development. Mastery of either Rust (deep understanding of the ownership model and memory safety) or Go (expert in scheduler mechanisms and high-performance microservice architecture). Web3 Capabilities: Proven experience in Web3 development. Proficient in JSON-RPC interactions, wallet integration, smart contract calls, and on-chain data synchronization (using libraries such as ethers-rs, solana-program, or go-ethereum). Middleware Mastery: Deep understanding of distributed processing with Message Queues (Kafka, Pulsar, or RabbitMQ). Expert in Redis cache design, including data structure optimization, distributed locking, and race condition resolution. Cloud Native: Proficient with Docker containerization and Kubernetes (K8s) environments, with hands-on experience in desi...

    $546 Average bid
    $546 Média
    60 ofertas

    ...backend development. Mastery of either Rust (deep understanding of the ownership model and memory safety) or Go (expert in scheduler mechanisms and high-performance microservice architecture). Web3 Capabilities: Proven experience in Web3 development. Proficient in JSON-RPC interactions, wallet integration, smart contract calls, and on-chain data synchronization (using libraries such as ethers-rs, solana-program, or go-ethereum). Middleware Mastery: Deep understanding of distributed processing with Message Queues (Kafka, Pulsar, or RabbitMQ). Expert in Redis cache design, including data structure optimization, distributed locking, and race condition resolution. Cloud Native: Proficient with Docker containerization and Kubernetes (K8s) environments, with hands-on experience in desi...

    $327 Average bid
    $327 Média
    10 ofertas

    I’m commissioning a custom sniper bot for Solana whose single most important metric is SPEED. The core trading logic has to react to on-chain events in real time, so polling is out of the question—everything must hinge on WebSocket program-log subscriptions. Key capabilities I need built in: • WebSocket-based detection for BOTH and Raydium liquidity pools as soon as they’re created. • Flexible transaction submission that can switch between Jito bundled transactions with priority fees and direct sends through my private Helius or QuickNode RPC endpoints. • Zero-delay execution path from detection to signed transaction; all signing happens locally, the bot never touches my seed phrase. • Adjustable slippage and buy size, with optional ta...

    $425 Average bid
    $425 Média
    18 ofertas

    I am working on a research thesis project that proposes and implements a hybrid blockchain architecture for IoT systems to address key limitations of existing blockchain-based IoT models, such as high latency, low throughput, and scalability issues. The project combines: Hyperledger Fabric (HLF) as a local/private blockchain layer for fast validation and access control Solana blockchain as a public, high-performance settlement layer for immutability, transparency, and global verification The goal is to improve transaction throughput, reduce latency, and maintain security compared to existing Ethereum-based or single-layer blockchain IoT architectures| I have already wrote code till step3 but its breaking at step 3 some hyperledger issue

    $9 Average bid
    $9 Média
    4 ofertas

    Project Overview We are building a production-grade Solana trading system that combines: A deterministic Rust execution core A strict, finite Action API A semi-autonomous AI decision layer that selects from allowed actions only This is not an experimental bot, retail toy, or prompt-driven system. The AI never: holds private keys signs transactions sets raw trade sizes bypasses limits All risk controls are enforced below the AI in Rust. This project is already architected. You will be implementing defined components, not inventing the system. --- What You Will Be Working On You will help implement and wire together: Action schema validation (strict JSON, fail-closed) Strategy modules (bounded, deterministic, profile-based) Telemetry aggregation (sanitized summaries ...

    $2380 Average bid
    $2380 Média
    60 ofertas

    ...production-ready multi-bridge that enables secure cross-chain communication and cryptocurrency transfers between Ethereum and Solana. The focus is on trust-minimised messaging first, with seamless ERC-20 ↔ SPL token movements as a practical demonstration of the protocol. You should be comfortable writing and auditing Solidity, Rust (Anchor preferred), and designing a lightweight off-chain relayer or oracle layer that keeps both chains in sync without introducing single-point custodial risk. Proven experience with Merkle proofs, light-client verification, or multi-sig threshold schemes will be invaluable. Deliverables • Ethereum smart contracts (lock/burn + message verification) • Solana program mirroring the above logic (mint/release + message verificati...

    $564 Average bid
    $564 Média
    11 ofertas

    I need a clean, well-commented Solana Program written in Rust with Anchor that lets me create and manage a new token from scratch. The core requirement is straightforward token generation, but all critical actions—minting additional supply later, burning, updating metadata, pausing transfers—must be limited to an on-chain Administrator role defined in the program. Please structure the code so it compiles and deploys in Solana Playground with a single `anchor build && anchor deploy`, and include a short test or demo script showing the admin wallet exercising its exclusive privileges. A concise README that walks through setup, deployment, and typical admin calls will be the final piece I need to ship this into production.

    $525 Average bid
    $525 Média
    33 ofertas

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