Smart contracts
Solidity for EVM chains, Rust / Anchor for Solana. With tests and documentation.
Smart contracts, tokens and dApps on EVM and Solana
We develop smart contracts in Solidity and Rust / Anchor for crypto projects: tokens and presales, DEXes, GameFi, trading bots. Every contract comes with tests, and you can check each finished stage yourself.
Web3
Tokens and presales
Token, vesting and presale contracts plus the sale page. Built in stages, like our 6-stage token and presale project.
DEX, AMM and launchpads
Swap and liquidity pool logic, token launch platforms.
Crypto games (GameFi)
In-game tokens, NFTs and reward logic, with the tokenomics worked out up front.
Trading, arbitrage and MEV bots
Bots that watch prices across DEX pools and execute trades on their own. We have built one for Solana.
dApps with wallet connect
Web interfaces that connect a wallet and work with your contracts.
Contract review before mainnet
We check logic, access rights and edge cases before real money goes into the contract.
Reviews
Rankings, rating and reviews come from the founder’s public Freelancehunt profile. Every review is from a real client and can be read there.
Solana arbitrage bot
Watches prices across liquidity pools and DEXes on Solana in real time, finds arbitrage, calculates the best route and executes the trade on its own.
Solana smart contract
A smart contract on Solana, built exactly to the client’s spec. The code is clean, structured and passed testing without errors.
Token and presale in 6 stages
A token and presale for one client, built over six consecutive stages: the client came back for each next one and could test every finished part of the code.
Crypto-sale system audit
Saved the client $300 in the first 10 minutes.
dApp with wallet connect
The developer showed a deep understanding of blockchain technology and smart contracts and delivered exactly to the spec. The code is clean, well structured and passed testing without errors.
Sergei B.Solana smart contract · 2025 Translated from RussianRead the original
Разработчик показал глубокое понимание блокчейн-технологий и смарт-контрактов, всё сделал чётко по техническому заданию. Код получился чистым, структурированным и прошёл тестирование без ошибок.
A great, reliable contractor. We will work with him again!
He made sure we could test every finished part of the code.
Vsevolod T.Token + presale, 6 stages · 2024–2025 Translated from RussianRead the original
Прекрасный ответственный исполнитель, будем обращаться еще раз!
Исполнитель обеспечил нам возможность оттестировать выполненную часть кода.
Everything works perfectly. A highly skilled contractor.
Sergio R.Public-address operations on GPU · 2026 Translated from RussianRead the original
Всё отлично работает. Очень квалифицированный исполнитель.
Stack
- Solidity
- Rust
- Anchor
- Solana
- EVM
- Web3.js
- TypeScript
- Node.js
- NestJS
- Postgres
- Redis
- Docker
- Kubernetes
Process
Four steps. Scope and price are fixed in writing before any work starts.
Message us
Write in Telegram or WhatsApp: what you need and by when. We reply with clarifying questions.
Scope and fixed price in writing
We agree in writing on what gets built, what it costs and how the work is split into stages.
Build with regular demos
You see working results at every stage, not only at the end.
Launch and support
We launch, hand over the code and all access, and stay available for fixes and updates.
Which blockchains do you work with?
EVM-compatible chains such as Ethereum, BNB Chain, Polygon, Arbitrum and Base, plus Solana.
Do you do audits?
Every contract we write is tested and reviewed. For large sums we also recommend an independent audit and prepare the code for it.
Can you take over an existing project?
Yes. We review the code first, tell you what needs fixing and agree on the scope in writing.
Do you help with tokenomics?
Yes, as part of the build: supply, vesting, presale stages and how they map to the contracts. This is not financial or legal advice.
Contact
Tell us what you need
Write in Telegram or WhatsApp. We’ll ask a few questions and come back with the scope and a fixed price.
@danil_khol+995 597 51 21 89LinkedIn (opens in a new tab)