ZK Cryptographer

At Composable Finance we are at the forefront of Crypto, building robust cross-chain & cross-layer infrastructure to allow the future of DeFi where almost any asset or contract can seamlessly interoperate.

You’ll be building the first ZK rollup in the Polkadot ecosystem with other exciting projects needing your expertise after.

As a Zero Knowledge Developer / Cryptographer you’ll be working on cutting edge technology that will help shape the future of DeFi.Responsibilities:

• Design, implement and build a ZK rollup in Polkadot ecosystem (Rust-Substrate)
• Collaborate with our team of elite level rust, cryptography and substrate experts
• Research ZK protocols and their underlying mathematical concepts.
• Study, understand and communicate the latter cryptographic primitives (e.g: signatures, NIZK, key derivation) relevant in the blockchain space.
• Produce technical specifications for designs & instantiations of cryptographic protocols
• Investigate new zero-knowledge applications that allow the user to manage their deposits without compromising their privacy
• Ensure thorough project quality and security 
• Write highly secure Rust code

Requirements:

• Fluency in Rust, C++, Golang or similar languages, we are working primarily with Rust Substrate.
• Experience in cryptography and blockchain infrastructure development 
• Familiarity with zero-knowledge schemes (Plonk and Plonky preferred).
• Passion for Crypto/DeFi

Bonus Points:

• Experience with scalability techniques such layer 2s (Optimistic and zk-based). 
• Experience with implementing recursive zk-proofs.
• Experience with XMCP and relay-para-chain structure.
• Is interested in the Polkadot ecosystem

Perks:

• Competitive Crypto payments, all made in USDC. 
• 100% remote work. No geographic restrictions. 
• An entrepreneurial environment that encourages innovation and facilitates the growth of cutting-edge technology. 
• The ability to work as an independent contractor: We treat you as your own agent and support you accordingly!
• Monthly Gym & Fitness Bonus
• Paid Time Off

Diversity & Inclusion: A company commitment to equal opportunity. We do not condone discrimination on the premise of race, color, religion, sexual orientation, age, gender identity or expression.