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Blockchain Developer, Proofs

Who are we?We believe Ethereum has the potential to solve some of humanity’s most crucial coordination issues. Since our initial inception as a research group, we have sought to scale both its technology and values.At present, the most pressing bottleneck to the growth of Ethereum is its performance and scalability. We are building the most elegant solution to this problem. We do this in the open (under an MIT open source license) because we believe in open source innovation and its ability to accelerate growth.OP Labs contributes to the Optimism protocol, an extension to Ethereum that scales both its technology and values. Optimism enables orders of magnitude of improved performance and scalability to Ethereum while doubling down on its commitment to public goods.The Optimism Collective leads the blockchain protocol landscape, dedicated to fostering a scalable and sustainable ecosystem. Optimism’s ethos, in sync with Ethereum's vision, tackles pivotal coordination challenges of the digital age. Optimism’s goal is to harmonize private incentives with public good, shaping a resilient future for the Internet. Optimism’s scope spans diverse areas like Gaming, DeFi, NFTs, and Enterprise.Position Overview:The Proofs team is looking for an experienced software engineer. We’re developing the infrastructure that enables the secure and permissionless withdrawal of funds from OP Stack chains and the Superchain.We’re developing the Optimism fault proof system, which is already in production, and evolving it to support “stage 2” decentralization with multiple proof systems, including ZK validity proofs.What are the role responsibilities?• Evolve our proof system to meet stage 2 requirements using dispute games and/or validity proofs.• Contribute to important Go-based and possibly Rust-based Ethereum and OP Stack infrastructure, for example Cannon, the Fault Proof VM.• Work with other teams and other disciplines within OP Labs, and with our ecosystem of external developers and partners.What skills do you bring?• Proven experience developing in Go, Rust, or another similar language.• Blockchain development experience.• Experience in systems programming, ideally in developing low-level software such as virtual machines, interpreters, or compilers.• Excellent written and verbal communication skills, with the ability to document technical details clearly and collaborate effectively with team members.• Strong understanding of cryptographic principles.• Experience with Zero Knowledge Proofs or ZK VMs is a nice-to-have.What will you like about us?• We take care of our employees. Competitive compensation, fully paid medical, dental, and vision, and a 4% 401K match—learn more about our benefits, culture, and all recruiting FAQ here.• We take pride in the accomplishments of our teammates and support each other in doing the best work of our careers.• Our team is a diverse group of people from varied backgrounds. We cherish our eclecticism and consider it a great strength.• We’re fully remote, deeply engaged, highly skilled, and like to have fun.• We think long-term. Our founders have been scaling Ethereum since 2015.
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What You Should Know About Blockchain Developer, Proofs, OP Labs

Are you a talented Blockchain Developer ready to make a significant impact? Look no further than OP Labs in New York, NY! We are on a mission to enhance Ethereum's performance and scalability, and we need your expertise to help us achieve this goal. As a part of the Proofs team, you'll dive into developing the infrastructure that enables secure, permissionless fund withdrawals from OP Stack chains and the Superchain. Your role will involve transforming our proof system to meet stage 2 requirements, which includes working with innovative technologies and collaborating with skilled developers across our organization and the broader community. If you have experience in Go, Rust, or similar languages, coupled with a solid understanding of cryptographic principles and blockchain development, this could be your chance to join a company that values open-source innovation! We're not just looking for skills; we value communication and teamwork, as our diverse team thrives on collaboration. Plus, we take good care of our employees, offering great benefits like fully paid medical, dental, vision, and even a 401K match. Join us at OP Labs, where your work will contribute to a scalable and sustainable ecosystem that fosters innovation in gaming, DeFi, NFTs, and beyond. Let’s shape the future together and be part of something bigger!

Frequently Asked Questions (FAQs) for Blockchain Developer, Proofs Role at OP Labs
What responsibilities does a Blockchain Developer at OP Labs have?

As a Blockchain Developer at OP Labs, you will play a crucial role in evolving our proof system to meet stage 2 requirements using dispute games and validity proofs. Your responsibilities will include contributing to Go and potentially Rust-based Ethereum and OP Stack infrastructure, such as the Fault Proof VM. Additionally, you will collaborate with other teams and external partners, ensuring optimal performance and scalability across our systems.

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What qualifications do I need to apply for the Blockchain Developer position at OP Labs?

To apply for the Blockchain Developer position at OP Labs, you should have proven experience in developing software using Go, Rust, or similar programming languages. A background in blockchain development and systems programming is essential, ideally involving the development of low-level software like virtual machines or compilers. Familiarity with cryptographic principles and experience with Zero Knowledge Proofs is a plus, making you a strong candidate for our innovative team.

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What makes OP Labs an attractive workplace for Blockchain Developers?

OP Labs is an excellent workplace for Blockchain Developers because of our commitment to open-source innovation, competitive compensation, and extensive benefits that include fully paid medical, dental, and vision coverage. We prioritize fostering a diverse and inclusive culture where collaboration and support thrive, enabling team members to do their best work. Plus, with our fully remote setup, you can work from anywhere while being part of a dynamic and skilled team.

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Can a Blockchain Developer at OP Labs work remotely?

Yes, Blockchain Developers at OP Labs can work fully remotely! We have embraced a remote work culture that allows our team members to work from anywhere while maintaining strong collaboration and engagement. This flexibility is part of our commitment to providing a supportive and productive workplace where you can thrive and contribute to innovative projects.

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What technologies will I work with as a Blockchain Developer at OP Labs?

As a Blockchain Developer at OP Labs, you will work primarily with Go and Rust while helping to develop infrastructure for Ethereum and OP Stack systems. You'll gain hands-on experience with technologies related to proof systems, cryptographic principles, and possibly Zero Knowledge Proofs. This role offers exciting challenges and opportunities to contribute to leading-edge projects that push the boundaries of blockchain technology.

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Common Interview Questions for Blockchain Developer, Proofs
What experience do you have in blockchain development relevant to the position at OP Labs?

Highlight specific projects or roles where you've developed blockchain applications or systems. Discuss any experience with Ethereum or similar technologies, detailing the challenges you faced and how you overcame them to enhance your skills.

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How do you approach solving complex problems in software development?

Discuss a specific example of a complex problem you faced in a previous role. Explain your thought process, the steps you took to analyze the issue, and how you collaborated with team members to devise and implement an effective solution that aligns with OP Labs' innovation principles.

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Can you explain your understanding of Zero Knowledge Proofs?

Offer a concise explanation of Zero Knowledge Proofs, emphasizing their applications in blockchain technology. Share any experience you've had with ZK proofs, including tools or projects where you implemented them, to demonstrate your knowledge and practical understanding.

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What do you expect the role of a Blockchain Developer to entail at OP Labs?

Reflect on the details of the job description and articulate your understanding of the responsibilities and expectations. Discuss collaborative aspects of the role, as well as the impact you hope to make on projects involved in scaling Ethereum and contributing to open-source initiatives.

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How do you communicate complex technical details to non-technical teammates?

Emphasize the importance of clear communication in team dynamics. Describe methods you've used, such as visual aids or simplified analogies, to make technical concepts more accessible to non-technical stakeholders while maintaining the integrity of the information.

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What programming languages are you proficient in, and how do they relate to the OP Labs projects?

List the programming languages you are proficient in, particularly Go and Rust, and describe how your experience aligns with OP Labs projects. Include specific examples of how you've used these languages in previous roles to develop blockchain solutions or infrastructure.

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Can you describe a successful project you led or contributed to in the past?

Select a project that showcases your skills and contributions effectively. Describe your role, the project's objectives, the technologies used, and the outcomes achieved, emphasizing your contributions to the project's success and how they relate to the work at OP Labs.

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What interests you most about working at OP Labs?

Share your enthusiasm for OP Labs' mission and commitment to scaling Ethereum. Connect your interests in blockchain technology and open-source innovation to the company's goals, and express how you believe you can contribute to their success.

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How do you stay updated on the latest technologies and trends in blockchain?

Discuss the resources you use to stay informed, such as industry publications, online courses, or community forums. Highlight any personal projects or contributions to open source that show your proactive approach to learning and adapting to new trends in blockchain technology.

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What are your long-term career goals as a Blockchain Developer?

Articulate your aspirations within the blockchain space, focusing on skills you wish to develop or areas you hope to explore further. Connect these goals to OP Labs' vision and projects, illustrating how you envision your career aligning with their mission and objectives.

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Full-time, remote
DATE POSTED
April 18, 2025

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