Erc 20 Jobs in Web3

163 jobs found

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Job Position Company Posted Location Salary Tags

Haqq Network

Remote

$48k - $72k

Marathon Digital Holdings

Remote

$63k - $112k

Adoriasoft

United States

$72k - $100k

MoonPay

Remote

$87k - $101k

RevOpsforce

Austin, TX, United States

$39k - $100k

Qredo

Lisbon, Portugal

$81k - $100k

Qredo

Madrid, Spain

$84k - $156k

Gnosis

Portugal

Apex Digital - Web3 Fund

United States

$90k - $150k

Bright Vision Technologies

United States

$39k - $65k

Qredo

Madrid, Spain

$64k - $87k

Qredo

Madrid, Spain

$67k - $102k

Qredo

Lisbon, Portugal

$77k - $100k

Seedify

Remote

$72k - $93k

Seedify

Remote

$72k - $93k

Qredo

Paris, France

$90k - $150k

Qredo

Madrid, Spain

$63k - $80k

Qredo

Lisbon, Portugal

$57k - $112k

Qredo

Lisbon, Portugal

$31k - $81k

Qredo

Amsterdam, Netherlands

$98k - $120k

Qredo

Madrid, Spain

$81k - $90k

Qredo

Madrid, Spain

$86k - $100k

Adoriasoft Inc.

United States

$72k - $84k

Binance

New York, NY, United States

Gnosis

Remote

Haqq Network
$48k - $72k
Remote
Apply

 

We are developing a decentralized stablecoin backed by real value of other stablecoins and US treasuries. Our ambition is to build digital cash, adopted in the real world, and to achieve this goal we are also building a mobile wallet for all-to-all payments and merchants gateway.

We are looking for a mobile developer who will take over the development of our mobile wallet.


Key Responsibilities:

  • Develop and maintain mobile wallet: build cross-platform mobile app for iOS and Android using React Native
  • Integration with smart contracts and backend services: work closely with our backend and smart contract developers to build seamless end-user experience
  • UI/UX implementation: collaborate with our designers to implement their initial design and iterate on it based on user feedback
  • Stay Updated: keep up to date with the latest developments in mobile development and blockchain space
  • Open Source maintenance: maintain wallet-related repositories in GitHub, track issues and pull requests, review and merge pull requests

Skills and Qualifications:

  • Proficient in React Native and TypeScript: Proven experience in building cross-platform mobile apps
  • Experience with EVM-based blockchains: Ethereum, Binance Smart Chain, etc.
  • Familiarity with decentralized Financial Systems: Knowledge of digital wallets, ERC-20 standard and its modern extensions, DeFi protocols.
  • Write mobile apps that provide secure storage, accounting and transactional services to help our customers transfer assets safely.
  • Problem Solving: Ability to troubleshoot complex issues and collaborate on them with other team members and maintainers of open source libraries you use
  • Structured communication: Ability to communicate ideas and problems clearly and structured, both in written and spoken form, familiarity with sequence diagrams and other UML tools is a plus
  • Documentation: Ability to write clear and concise documentation for products and libraries you develop
  • Open Source passion: We will ask you to share your GitHub profile proving your pull requests, bug reports and other contributions to open source projects

We offer:

  • A competitive remuneration package with a performance bonus structure
  • Extensive career progression opportunities internally
  • A diverse and multicultural working environment, cutting across various geographical locations with flexible working conditions
  • High-performing and open organizational culture

 

What is ERC20 example?

ERC20 is a standard for fungible tokens on the Ethereum blockchain

Here is an example of an ERC20 token

Let's say we create a new ERC20 token called ABC Token with a total supply of 1,000,000 tokens

Each token will be divisible up to 18 decimal places

To implement the ERC20 standard, we will need to define several functions, including:

  1. balanceOf(address): Returns the token balance of a specific address.
  2. transfer(address to, uint256 value): Transfers tokens from the caller's address to the specified address.
  3. approve(address spender, uint256 value): Approves a specific address to spend a certain amount of tokens on behalf of the caller.
  4. allowance(address owner, address spender): Returns the amount of tokens approved by the owner that the spender can transfer.
  5. User1 owns 500,000 ABC Tokens.
  6. User2 wants to buy 100 ABC Tokens from User1.
  7. User1 approves User2 to spend up to 100 ABC Tokens on her behalf.
  8. User2 calls the transferFrom() function with User1's address, his own address, and the value of 100 tokens.
  9. The transferFrom() function deducts 100 tokens from User1's balance and adds them to User2's balance.