Senior [login to view URL] and Smart contract developer

We are looking for a mature and talented Senior Web Developer that has several years’ of first-rate commercial experience. The position requires you to have a deep understanding of Web3 and Ethereum. You will be working with six other developers on the Off Chain team in agile, two-week sprints on the evolution of the web application.

This is a critical position requiring you to take ownership of multiple tasks and resolve technical roadblocks as they emerge. You’ll be truly passionate about the craft of software development. The role demands the highest standards of tested, linted and formatted code. We are a fully remote team located across Europe and the Americas. We have two daily stand ups at 10am CET and 9:30am EST, this ensures suiting the individual team members core working hours.


- Build clean, maintainable, and well-tested backed code (TypeScript, Node, GraphQL, AssemblyScript)

- Collaborate with Product, Design, and Engineering teams to define, prioritize and develop solutions/features

- Own and plan projects and products end to end for long-term impact – including APIs, backend, testing, etc.

- Contribute highly performant web3 code with a strong focus on security.

- Follow Test Driven Development process

- Monitoring and improving backend performance.

- Documenting application changes and developing updates.


- Demonstrated coding experience with Web3 and Ethereum development tools, languages, and libraries, such as [login to view URL], The Graph, Hardhat, etc..

- JavaScript and TypeScript professional with a minimum of 5 years of experience

- Open Source software development experience with expert Git and GitHub skills

- Advanced knowledge of Node and GraphQL APIs

- Experience working with SQL and NoSQL databases

- Deep understanding of software documentation procedures

- Preference for Test Driven Development (TDD) and highly testable code

- Fluency in English

This is long term opportunity for talented developers.

Thank you for your apply.

Good luck.

Compétences : Web3.js, Smart Contracts, Ethereum, JavaScript, Typescript

Concernant le client :
( 0 commentaires ) Frankfurt am Main, Germany

Nº du projet : #33934859

40 freelances font une offre moyenne de 28 €/heure pour ce travail

(17 Commentaires)
(26 Commentaires)

Dear client, Hope are you doing well there, I'm very much comfortable to assist you for creating ethereum Blockchain, smart contract, Cryptocoin, wallet, whitepaper marketing, ICO promotion, the exchange, Initial Plus

€27 EUR / heure
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Hi there, ★★★ [login to view URL] / React.js / dAPP / DeFi Expert ★★★ 5+ Years of Experience ★★★ I've read requirements and ready to work on your project. I can work with all kinds of EVM supported blockchains like Ethereum, BSC, Plus

€30 EUR / heure
(93 Commentaires)

Sehr geehrter Kristian610,   Wir haben 20 Jahre Erfahrung in JavaScript, Typescript, Ethereum, Smart Contracts, [login to view URL], daher können wir dieses Projekt erfolgreich abschließen. Bitte überprüfen Sie unser Profil hier:  Plus

€25 EUR / heure
(45 Commentaires)

Hello I have read the requirements and the only issue is with [login to view URL] which I have no experience with. But I can learn it quickly, on my time. My proposal is to have a short time testing collaboration and if you will Plus

€20 EUR / heure
(22 Commentaires)

Hello, this is Koki from Japan who has been working with Fullstack Web and Blockchain development for over decades years now. I have checked your project description carefully and I think that I can help you to complet Plus

€36 EUR / heure
(12 Commentaires)
(2 Commentaires)

Hello, there, how are you ? I am a Blockchain developer, and I have experience in NFT marketplace, Ethereum, Solana, BSC, Polygon, Avax, Tron, Cronos network for a long time and I have finished many projects using ERC2 Plus

€35 EUR / heure
(8 Commentaires)

Hello, Thanks for your job posting. I'm a senior Blockchain/Web3JS, Solidity EXPERT, with rich experiences in developing Smart Contract, creating Token, NFT marketplace, pancake/uniswap Sniper bot, DEX. while reading y Plus

€27 EUR / heure
(4 Commentaires)

[login to view URL] [login to view URL] Hello, I hope all goes well. I read the requirement carefully and feel confident about the project because I did several similar projects before. Plus

€30 EUR / heure
(8 Commentaires)

Hi As a Software Developer with 5 years of experience in Blockchain, Cryptocurrency, wallet, I apply with enthusiasm for this position. I am currently a Software Engineer: Blockchain at 7PH Technologies, where my rol Plus

€30 EUR / heure
(12 Commentaires)

I am Aleksei working on the blockchain dapp developer team. Main area of work is Smart contract development using Solidity and Rust. blockchain development is my dream and love. do you have a very good idea in blockcha Plus

€27 EUR / heure
(8 Commentaires)

Hello,I am interested in your project because I have deep understanding of Web3 and Ethereum. As a blockchain developer,I can create Smart contracts and manage intergration part for blockchain development. Please conta Plus

€36 EUR / heure
(2 Commentaires)

Hello. Thank you for your posting job. I am a senior Web | Blockchain Developer. I have 4+ experience in Solidity, Smart Contract, [login to view URL], NFT, marketplace, DApps/Defi/DEX, Swap, Farms, and Staking and etc. Also, I ha Plus

€27 EUR / heure
(7 Commentaires)

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€27 EUR / heure
(9 Commentaires)

Hello, Thanks for your kind care. I've just checked your requirements carefully. I'm very familiar with Solidity, Ethereum, BSC, ERC20, ERC721, ERC1155, Smart Contract and Pixel Perfect Web Design, [login to view URL], React.js Re Plus

€27 EUR / heure
(7 Commentaires)

Hi, there! I've seriously read your post and I have understood what you need. I am a senior web and Blockchain developer who has rich experience in developing Blockchain and NFT Mint, Marketplace. These are my skills Plus

€18 EUR / heure
(9 Commentaires)

Hello: After reading in detail the requirements of your project and concluding that they match my areas of knowledge and skills, I would like to introduce myself. My name is Anthony Muñoz and I am the lead engineer Plus

€29 EUR / heure
(3 Commentaires)

Hello I just read your requirement carefully and get interested in your project. Pretty well versed in Ethereum, Blockchain, Smart Contract, [login to view URL], Solidity, React.js Please check my previous project. https://traderj Plus

€35 EUR / heure
(4 Commentaires)