Senior Cryptographic Engineer

Company Overview:

Our mission at Horizen Labs, founded in 2019, is to facilitate the world's transition to web3. We are dedicated to building a more secure and fair digital world, working at the forefront of the decentralization revolution. We strive to make a meaningful impact in productivity, transparency, and revenue generation. At Horizen Labs, our team is our most valuable asset. We foster a culture of empowerment, where individuals can bring their ideas to life. We are seeking talented and creative individuals to join our team and be a part of our fast-growing and innovative company. We value diversity as it drives innovation and engagement to create exceptional products. With a hybrid model and global workforce, including satellite offices in New York City, NY, and Milan, Italy, we have the flexibility to attract talent from anywhere. Join us and help shape the future with cutting-edge blockchain technology!

We are currently seeking a skilled and motivated engineer to contribute to the development of the cryptographic infrastructure for our Web 3.0-enabled blockchain ecosystem. In this role, you will be responsible for designing and implementing blockchain scaling solutions using zero-knowledge cryptography. The objective is to significantly reduce the costs associated with deploying products on the blockchain. You will work in an international team, in a stimulating and innovative environment, where technical expertise drives the development of cutting-edge blockchain technology. Join our small but highly skilled team of passionate individuals in an open, pragmatic, and owner-driven culture that tackles challenging problems across software engineering, systems design, cryptography, and computing.

Responsibilities:

• Design and implement cryptographic solutions for blockchain-based applications, utilizing modern cryptography techniques such as zero-knowledge proofs (ZK), multi-party computation (MPC), and fully homomorphic encryption (FHE).
• Take technical ownership of new systems, identifying areas for innovative research and development.
• Write reusable, testable, and efficient code, following best practices and emphasizing security.
• Play a key role in shaping the company's future by being involved in strategic decision-making processes and witnessing the impact of your contributions.
• Attend conferences and identify opportunities within the on-chain ecosystem.

Requirements:

• Minimum of 5 years of experience in software engineering.
• Passion for developing secure, reliable, well-documented, and performant software.
• Flexibility to work in an agile environment.
• Experience with implementing cryptographic solutions, including low-level mathematics and knowledge of common attacks.
• Strong understanding of applied cryptography and interest in developing effective, practical cryptographic solutions for complex systems and innovative products.
• Ability to propose novel approaches based on the latest cryptography research.
• Experience in technical writing and documentation.
• Clear communication skills, including the ability to articulate abstract ideas.
• Enjoy mentoring junior developers and sharing your expertise.
• Collaborate effectively with cross-functional teams within engineering, marketing, and other support functions to deliver top-notch solutions.
• Self-motivated, independent, and humble.

Preferred Qualifications:

• Experience with system languages such as C, C++, Go, and/or strongly typed programming languages like OCaml, Haskell, Rust.
• Theoretical and practical knowledge of advanced zero-knowledge solutions such as Plonk, STARKs, zk(E)VMs, and recursive proof composition.
• Theoretical and practical experience with blockchain-based systems, with a focus on Ethereum and/or other EVM-based solutions.
• Optimizing low-level mathematical operations, including assembly level programming.
• Familiarity with GPU/FPGA programming is a plus.

In compliance with New York City's Pay Transparency Act, the annual base salary range for this position in NYC is USD $140,000 to USD $170,000. The displayed salary range represents the minimum and maximum target for new hire salaries in this location. Salary ranges consider factors such as role, level, experience, and location.

Horizen Labs is an equal opportunity employer.

At Horizen Labs, we provide reasonable accommodations for individuals with disabilities. If you require an accommodation during the employment process, please email us at recruiting@horizenlabs.io and provide details about your request and contact information.