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Marko J
@markedev
Level 2
Senior Smart Contract, Blockchain and Fullstack Developer
Serbia
Serbian, English
About me
I’m Marko Jokic, a Senior Blockchain & Full-Stack Developer with 6+ years of experience delivering secure, scalable, and efficient Web3 solutions tailored to real-world business needs.
I specialize in building:
- Custom tokens (ERC20, SPL, BRC20, etc.)
- Token launchpads like Pump.fun and PinkSale
- Presale, staking, and farming DApps
- DEXs and DeFi protocols
-NFT minting platforms and marketplaces
- Trading bots, miner DApps
- Multichain wallets & cross-chain bridges
I write clean, secure, and maintainable code, prioritize on-time delivery, and provide clear, consistent communication.
Skills
Marko J
$50/hour
Offline •
Average response time: 2 hours
See my services
Decentralized Applications (dApps)
I will blockchain smart contract developer for token, web3 dapp, defi, dex, crypto bot
Decentralized Applications (dApps)
I will build defi dex dapp like pancake swap dolomite aave gmx polymarket pump fun
Want to work on an hourly basis?
Tell Marko J what you need.
$50
/
hourPortfolio
36 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 36 Reviews
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simone_enrico
Italy
Marko is honestly top 0.1% in his field. maybe even the best when it comes to Polymarket, Kalshi trading bots, everything. I’m seriously impressed with how good he is. Definitely working with him again, and we’ve built a great long-term partnership and friendship. Easily one of the best out there.
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jacob9_
Canada
Great job, thanks. The bot works well. Really happy with the result!
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ryanmitchell__
United States
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bedlam_florelo
United States
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william_adex100
United States
Awesome dev. Knows trading bots well and delivered exactly what I needed. Would work again. ⭐
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