Responsibilities Design and implement ZK‑rollups to enhance blockchain scalability and reduce transaction costs. Develop and optimize ZK‑SNARKs and ZK‑STARKs circuits to ensure robust privacy‑preserving protocols. Use domain‑specific languages like Circom or Halo2 to build and verify complex cryptographic proofs. Research and integrate cutting‑edge zero‑knowledge technologies to solve privacy challenges in decentralized systems. Collaborate with security and protocol teams to audit and refine cryptographic implementations for maximum safety. Qualifications 4+ years of experience in Software Engineering, Cryptography, or Blockchain development. Proven expertise in developing zero‑knowledge proof systems, including ZK‑rollups and ZK‑SNARKs/STARKs circuits. Proficiency with domain‑specific languages and libraries such as Circom and Halo2. Strong mathematical background and experience with privacy‑preserving protocols. Advanced proficiency in English. Benefits 100% remote work (from anywhere). Excellent compensation in USD or your local currency if preferred. Hardware and software setup for you to work from home. Flexible hours: create your own schedule. Paid parental leaves, vacations, and national holidays. Innovative and multicultural work environment: collaborate and learn from the global Top 1% of talent. Supportive environment with mentorship, promotions, skill development, and diverse growth opportunities. #J-18808-Ljbffr