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| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
Syntropy | Berlin, Germany | $54k - $75k | |||
Immutable | Remote | $72k - $100k | |||
Storm2 | United States | $120k - $180k | |||
Enya | Remote | $63k - $90k | |||
| Learn job-ready web3 skills on your schedule with 1-on-1 support & get a job, or your money back. | | by Metana Bootcamp Info | |||
Neural | United States | $23k - $61k | |||
Energi Core | Portland, OR, United States | $33k - $75k | |||
Polygon Technology | United States | $51k - $75k | |||
Storm2 | United States | $120k - $180k | |||
Polygon | Remote | $51k - $75k | |||
Polygon | United States | $72k - $100k | |||
Enya | Palo Alto, CA, United States | $37k - $75k | |||
BairesDev | United States | $62k - $80k | |||
Storm2 | United States | $260k - $300k | |||
Consensys | Remote | $63k - $150k | |||
Immutable | United States | $63k - $70k |
We’re looking for a Blockchain Engineer to join our technology organization and work closely together with the R&D/blockchain department and other teams to implement our open internet exchange solution. The role comes with a lot of opportunities to take ownership and responsibility as well as provide your expert input and make an impact on the overall blockchain development plans and strategy.
Main responsibilities will be:
- Implementing prototype / testnet versions of smart contracts, enabling the open internet exchange
- Assessing different blockchain implementation options to suit the needs of our solution
- Working on the project until production, including the launch of the mainnet and smart contract deployments on the mainnet
- Working closely with other teams to solve product-related problems
- Designing, developing and deploying Solidity smart contracts
- Designing and developing front-end interfaces to interact with the smart contracts
- Designing and developing the back-end operations that support a decentralized application
- Auditing smart contracts for any security bugs
- Writing technical documentation
- Maintaining source code and troubleshooting systems
- In-depth technical blockchain / Web3 understanding: consensus mechanisms, game theory, tokenomics, smart contracts, price oracles, etc
- 4+ years as a software developer (experience outside of blockchain)
- 2+ years Solidity programming experience with a deep understanding of the Ethereum ecosystem and programming principles
- Understanding of ERC-20, ERC-721 and ERC-1155 token standards
- Experience with JSON database operations
- Knowledgeable about Layer-2 technologies
- Knowledge of continuous integration tools and blockchain management tools
- Working experience in DevOps environments
- Experience with Docker
- Strong knowledge of data structures and algorithms
- Familiarity with cryptography and experience with Public Key Infrastructure (PKI)
- Proficiency in programming languages such as Go, Rust is a plus
- Nice to have: At least one project deployed on Mainnet that holds real user funds
- Nice to have: knowledge of Solidity security testing tools
Personal Qualifications
- Strong interpersonal, oral and written communication skills
- Self-motivated and able to tackle challenging, complex problems in an individual or team-based setting
- A proactive approach, ability to take ownership of your tasks and a solution-focused mindset
- Strong problem-solving skills, attention to detail, and high-quality output
- Willingness to learn new things
- It would be an advantage if you have experience in computer networks, telecommunications, IoT, ..
- Computer Science / Math / Economics / Engineering background is a plus
- A MSc degree or higher is a plus
- An innovative and attractive compensation structure (salary + company-issued cryptocurrency tokens as bonus)
- Professional & personal development budget worth $2000 annually
- 12 learning days per year dedicated for your professional development
- Remote-first environment (you’re still welcome to come to one of our offices, but you choose!)
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.