| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
Stealth Blockchain Project | Washington, United States | $100k - $150k | |||
Quest Groups LLC | United States | $150k - $200k | |||
Offchain Labs | Remote |
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Quest Groups LLC | United States | $150k - $200k | |||
| Learn job-ready web3 skills on your schedule with 1-on-1 support & get a job, or your money back. | | by Metana Bootcamp Info | |||
Polygon | Remote | $72k - $120k | |||
Polygon | India | $72k - $80k | |||
Austin Werner Ltd | United States | $150k - $220k | |||
Polygon Labs | United States | $63k - $90k | |||
Belmont Lavan | London, United Kingdom | $54k - $70k | |||
xalts | Bengaluru, India | $39k - $65k | |||
Qredo | Singapore, Singapore |
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Qredo | Lisbon, Portugal | $45k - $90k | |||
Qredo | Lisbon, Portugal |
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Qredo | Malta |
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Immutable | Australia | $72k - $100k |
Hiring Intermediate to Senior Blockchain Software Engineers. Direct hire / W2.
Must have:
- Professionalism, fluent English, US Citizenship(or Permanent Resident status)
- Bachelorâs Degree in Computer Science or related
- Hands on experience with Solidity
- Good understanding of Blockchain protocols L1/L2
- Experience with DeFi applications(e.g. Uniswap, AAVE, etc)
- Experience programmatically interacting/integrating with ERC-20/ERC-777, ERC-721, ERC-1155 and other Smart Contracts
- Experience debugging Smart Contract code
- Experience with Web App Development (HTML, CSS, JavaScript, Typescript, REST APIs, React/Angular/Vue, Node.js etc)
Nice to have:
- Experience running blockchain nodes/miners/validators
- Experience implementing Arbitrage and/or Liquidation Bots
- Experience processing and analyzing real time blockchain data
- Experience developing and deploying ERC-20/ERC-777, ERC-721, ERC-1155 and similar Smart Contracts currently deployed on mainnet/testnet environments
- Experience with AWS (EC2, S3, AppRunner, Lambda, Api Gateway, etc)
- Experience with Python based Data Analysis (numpy, pandas, matplotlib, jupyter notebooks, scikit-learn/PyTorch/Tensorflow/Keras, etc)Tips: Provide a summary of the role, what success in the position looks like, and how this role fits into the organization overall.
What is the meaning of Layer 2?
Layer 2 in the context of cryptocurrency and blockchain technology refers to a secondary framework or protocol that is built on top of an existing blockchain system (the main chain or Layer 1)
The primary purpose of Layer 2 solutions is to solve the scalability and speed issues that many blockchains face, especially those that have become popular and heavily used, like Ethereum
Here are the key aspects of Layer 2 solutions:
- Scalability Enhancement: They help in scaling the main blockchain by handling transactions off the main chain. This reduces the burden on the main chain, allowing for faster and cheaper transactions.
- Types of Layer 2 Solutions: There are various forms of Layer 2 solutions, including state channels, sidechains, plasma chains, and rollups. Each has its own mechanism for interacting with the main chain and handling transactions.
- State Channels: These involve two parties engaging in numerous transactions outside of the main chain, which are then consolidated into a single transaction. This is especially useful for situations where multiple transactions occur between the same parties.
- Sidechains: These are separate blockchains that are connected to the main chain via a two-way peg. They operate independently and can have their own consensus mechanisms but are secured by the main chain.
- Plasma Chains: Plasma chains are similar to sidechains but with a more hierarchical structure. They report back to the main chain regularly and are optimized for mass transaction handling.
- Rollups: Rollups process and store transaction data on a sidechain but post transaction data to the main chain. They come in two varieties: optimistic rollups and zk-rollups, each with its own method of transaction verification.
- Security Considerations: While Layer 2 solutions are generally secure, they can have different security models compared to the main chain. This is an important consideration for users and developers.
- Impact on User Experience: For end-users, Layer 2 solutions can greatly improve the experience by reducing transaction fees and increasing transaction speeds.
- Adoption and Development: Many blockchain projects are actively developing Layer 2 solutions to enhance their networks. This is an ongoing area of innovation in the blockchain space.