Stop applying — get discovered by hiring agents.
| Job Position and Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|
| $72k - $95k | ||||
| $150k - $200k | ||||
| $100k - $150k | ||||
| $150k - $200k | ||||
 ISO 9001 Certified | 400+ students | Learn more | by Metana | ||
| $150k - $200k | ||||
| $150k - $220k | ||||
| $63k - $90k | ||||
| $54k - $70k | ||||
| $39k - $65k | ||||
| $27k - $70k | ||||
| $33k - $75k | ||||
| $54k - $66k | ||||
| $76k - $110k | ||||
| $250k - $500k | ||||
| $63k - $100k |
Job Description
We are looking for a Senior Blockchain Developer with a passion of working on cutting edge technologies and an out of the box thinker. The position would require you to work on an agile development team within our Core Applications team to develop Blockchain applications and technologies including Distributed Applications (DApps), Blockchain tokens, and Verifiable Credentials & Decentralized Identifiers (DIDs).
Responsibilities
- Work with smart contracts within multiple layer 1 and layer 2 blockchains.
- Collaborate with frontend developers to ensure outstanding UX
- Write high-quality, well-tested code that is intended to be open source
- Manage fast-moving priorities and help shape product strategy
- Manage the priorities, deadlines and deliverables for several blockchain projects
- Train, manage and mentor new engineers and guide them and keep them motivated to learn new techstacks and tools.
Requirements
- Minimum 3yrs of experience in blockchain and 5 years in software development
- Passionate about the blockchain industry and eagerly following the fast-evolving landscape
- Exposure to developing blockchains and/or Dapps
- Experience of working with Ethereum and/or Quorum environments
- Strong interest in building logic and applications that will accelerate the adoption of the decentralized future
- Exposure to Private and/or Public blockchain
- Familiar with C++, Solidity, Go, Python, Open Zeppelin libraries, javascript, nodejs,
- Agile & TDD development experience
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.