### What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, there are nearly 200 of us working remotely from over 45+ countries.

View all our open positions here: https://www.nethermind.io/open-roles

### Are you the one?

Nethermind, a leading blockchain development company, has been actively researching and developing solutions in the MEV (Maximal Extractable Value) space, focusing on both Layer 1 and Layer 2 of the Ethereum ecosystem. Our team has been dedicating time and resources to understanding and implementing techniques that optimize MEV extraction while maintaining the integrity and security of the Ethereum blockchain. As we continue to explore the MEV domain, we are now expanding our research and development efforts to the emerging areas of preconfirmations and block building. We are looking for a talented and experienced Senior Engineer to join our team and contribute to the ongoing research and development in these areas, helping to shape the future of Ethereum infrastructure. If you are interested in MEV, preconfirmations, and block building, and would like to work alongside a dedicated team of researchers and engineers, Nethermind could be the perfect fit for you.

### Responsibilities:

- Lead research and development efforts in the areas of preconfirmations and block-building.
- Design and architect innovative solutions around MEV and improve the Ethereum block-building pipeline.
- Collaborate with our team of researchers to integrate advanced cryptographic techniques and cutting-edge MEV strategies.
- Implement and test production-ready code that pushes the boundaries of what's possible in the MEV space.
- Contribute to the overall technical strategy and roadmap for our MEV-related initiatives.
- Engage with the Ethereum and MEV communities to share insights, gather feedback, and drive the adoption of our solutions.

### Skills:

- Deep expertise in Rust or Go programming languages.
- Strong understanding of Ethereum, MEV, and the block-building process.
- Proven experience designing and implementing complex systems using advanced cryptography.
- Excellent problem-solving and debugging skills, with a keen eye for optimizing performance.
- Strong communication and collaboration abilities, with experience working in cross-functional teams.
- Passion for the Ethereum ecosystem and a drive to build groundbreaking solutions.

### Nice to have:

- Previous experience working on MEV-related projects or Ethereum infrastructure.
- Familiarity with Layer 2 scaling solutions and their architectures.
- Contributions to relevant open-source projects in the blockchain space.
- Experience with DevOps practices and CI/CD pipelines.
- Track record of shipping successful products in a fast-paced environment.
 
***Disclaimer:* I hereby consent to my personal information being stored and processed by Demerzel Solutions Limited (t/a Nethermind) (the “Company”) for recruitment purposes in relation to both the selected job role and any other role the Company considers me a qualified candidate for. All data storing and processing by the Company takes place in accordance with the UK GDPR. Kindly refer to our privacy policy for more details. 
Your consent to share personal information is entirely voluntary, and you may withdraw your consent at any time. Should you have any questions about this process, or wish to withdraw your consent please contact: legalnotices@nethermind.io*

Keep up to date on what we are working on by following us on [our social channels](https://x.com/nethermindeth).

[Click here to view our Privacy Policy.](https://www.nethermind.io/legal)

Switchboard Senior Engineer

### What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, there are nearly 200 of us working remotely from over 45+ countries.

View all our open positions here: https://www.nethermind.io/open-roles

### Are you the one?

If you've envisioned yourself at the forefront of AI and ZK innovation, then Nethermind offers the perfect opportunity to transform that vision into reality.

Nethermind is a Blockchain Research and Software Engineering company. We empower enterprises and developers worldwide to access and build on the decentralized web. Our work touches every part of the blockchain ecosystem - from fundamental cryptography research to application-layer protocol development.

We are currently seeking talented and passionate Cairo Developers to join our growing AI and ZK group. Successful candidates will research, design, develop and optimize protocols and applications fundamental to the advancement of Ethereum, Starknet and Web3.

### Responsibilities:

- Design and implement scalable and secure smart contracts, decentralized applications (dApps), and ZK protocols using the Cairo programming language.
- Collaborate closely with cross-functional teams, including cryptographers, mathematicians, and blockchain engineers, to develop and integrate advanced cryptographic primitives and algorithms.
- Optimize Cairo code for performance, gas efficiency, and security, ensuring the scalability and cost-effectiveness of our solutions.
- Contribute to the development and enhancement of Cairo tooling, compilers, and documentation to improve the developer experience.
- Stay up-to-date with the latest advancements in blockchain technology, cryptography, and the Ethereum ecosystem, actively participating in relevant communities and conferences.

### Skills:

- Proven experience and proficiency in developing smart contracts using Cairo.
- Strong understanding of cryptography, zero-knowledge proofs, and their applications in blockchain technology.
- Familiarity with the Ethereum ecosystem, including EVM, Layer 2 scaling solutions, and Web3 technologies.
- Excellent problem-solving, analytical, and critical thinking skills.
- Strong communication and collaboration abilities, with the ability to work effectively in a team environment.
- Passion for decentralized technologies, cryptography, and the potential of Web3 to revolutionize various industries.

### Nice to have:

- Familiarity with zk proof systems (ZK-STARK, ZK-SNARKs)
- Cryptography background
- Mathematics Background
- Having activity on GitHub is a significant advantage (please include links to projects or PRs that you have submitted to external projects)

***Disclaimer:** I hereby consent to my personal information being stored and processed by Demerzel Solutions Limited (t/a Nethermind) (the “Company”) for recruitment purposes in relation to both the selected job role and any other role the Company considers me a qualified candidate for. All data storing and processing by the Company takes place in accordance with the UK GDPR. Kindly refer to our privacy policy for more details. 
Your consent to share personal information is entirely voluntary, and you may withdraw your consent at any time. Should you have any questions about this process, or wish to withdraw your consent please contact: legalnotices@nethermind.io*

Keep up to date on what we are working on by following us on [our social channels](https://x.com/nethermindeth).

[Click here to view our Privacy Policy.](https://www.nethermind.io/legal)

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