Smart Contract Jobs at Alcor

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Senior Blockchain developer


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It is the creators of relational blockchain, a new blockchain architecture that combines the power and flexibility of a relational database and the fault-tolerant decentralized security of a blockchain. Since 2014, ChromaWay has been developing and refining industry-defining blockchain technology platforms.
We’re looking for backend developers with experience in blockchain and a deep understanding of web3 technologies, ideally a fan of web3 who gets fun from creating something cool.

OOP, SQL, Solidity, web3, OpenZeppelin
One of the languages: Node.js / Java / C# or analogs
Smart contracts testing deploying audit
Familiarity with technologies: NFT, ERC-20, ERC-721, ERC-1155, MetaMask, Ethereum, Marketplaces, NFT marketplaces, minting, staking and presale processes, DeFi

Development of the main library of metadata storage protocol
Development of the OH Marketplace backend functionality
Help new backend developers to learn blockchain-related technologies
Create brief technical documentation of own code (make Solution proposals before implementation, and keep it up-to-date with code changing)

We offer:
Flexible working schedule
Remote work within the EU time-zone
24 working days in a year of paid vacation
The ability to focus on your work: a lack of bureaucracy and micromanagement
Agile process, small teams
Possibility to get paid in cryptocurrency
Payment by invoices, flexible payment schedule, tokens for the core team
Company covers expenses for inventory, education & travel
Compensation for visiting professional conferences

Alcor focuses on Startups and Growing Companies. Their company has offices in London, Odessa, Kyiv, and Dnipro. They have a mid-size team that's between 51-200 employees.

You can view their website at or find them on Twitter, Facebook, and LinkedIn.