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| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
Qredo | Madrid, Spain | $50k - $84k | |||
Qredo | Sofia, Bulgaria |
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Qredo | Madrid, Spain |
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Qredo | Madrid, Spain | $90k - $100k | |||
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Triton AI Pte Ltd | Singapore, Singapore | $81k - $108k | |||
Qredo | Malta | $54k - $60k | |||
Energi Core Limited | Delhi, India | $43k - $56k | |||
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Offchain Labs | United States |
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Qredo | London, United Kingdom | $54k - $60k | |||
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Qredo
$50k - $84k estimated
This job is closed
Blockchain Node Engineer
Madrid, Spain /
Engineering â Blockchain /
Full-time Remote
Apply for this job
Qredo is a decentralized digital asset management infrastructure and product suite designed to unlock new opportunities for institutional investors in digital assets and decentralized finance. Qredo's Layer 2 blockchain protocol enables users to seamlessly transfer and settle BTC, ETH, and ERC-20 tokens. Assets are secured by Qredoâs advanced Gen 2.0 multi-party computation (MPC), which provides tier-1 bank security and institutional-grade governance.
We are looking for an experienced Blockchain Node Engineer with strong fundamental DevOps experience. You will have the opportunity to get a deeper understanding of how different chains and their respective software clients work.
*** This is a remote opportunity. We welcome candidates around the globe to apply! ***
Responsibilities
- Responsible for maintaining, monitoring, optimising and helping to integrate new Blockchain Nodes into the Qredo System
- Responsible for setting up and optimising the infrastructure related to different chains
- Recommend to the Developers more optimal ways to integrate their code with each Node
- Help to integrate new chains and improve the efficiency of how we integrate with existing chains
- Add node monitoring systems, create automatic maintenance and troubleshoot node failures in this high availability environment
Requirements
- Strong fundamental DevOps experience
- A keen interest in Cryptocurrency and DEFI is a must
- Experience with Bitcoin, Ethereum, Polkadot, Algorand, Cardano and Solana Blockchain are highly desirable.
- Experience setting up Blockchain nodes
- Experience working with AWS cloud
- Experience working with node providers (Infura, Alchemy, QuickNode)
- Experience with Linux / Bash scripting
- Experience with Docker, Kubernetes, (Datadog/Splunk), Teraform, Ansible
- Some software development experience in Go, Rust, C++, Java or similar
- Excellent English communication skill and stakeholder management skill
Qredo offers
- Flexibility to work from anywhere and possibility for international transfer
- Assistance with home office setup as well as offsite team building allowance
- Culturally diverse work environment (we speak 33 languages!)
- Great career development opportunities in a growing company
- Competitive compensation and benefits package within the industry
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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.