Czym będziesz się zajmować? Role Description: Architect, develop, and optimize blockchain protocols using Rust. Design and implement advanced consensus mechanisms and cryptographic solutions. Work on Layer 1 and Layer 2 blockchain solutions, ensuring high performance and security. Develop and maintain smart contract platforms (e.g., Substrate). Optimize blockchain storage solutions and work with databases such as RocksDB. Ensure interoperability between different blockchain networks. Lead technical discussions, mentor junior engineers, and conduct code reviews. 

Kogo poszukujemy? Apply if you have: Expert Level: 7+ years of experience in distributed systems and blockchain development. Deep understanding of consensus mechanisms (PoW, PoS, BFT, etc.) and their implementation. Expertise in cryptographic security, including hashing, digital signatures, and zero-knowledge proofs. Experience in designing tokenomics and blockchain economic models. Strong background in developing Layer 1/Layer 2 blockchain solutions and cross-chain interoperability. Proven ability to design and implement secure cryptographic systems. Senior Level: 4+ years of experience in Rust and distributed systems. Strong knowledge of cryptographic principles and blockchain security. Experience in designing and optimizing consensus algorithms. Hands-on experience with smart contracts (Substrate, EVM-based platforms, etc.). Proficiency in performance profiling and optimization tools (Flamegraph, perf). Mid Level: 2-3 years of experience in Rust development. Basic knowledge of cryptographic techniques such as hashing and digital signatures. Experience working with consensus algorithms (PoW, PoS, etc.). Familiarity with fundamental blockchain data structures (Merkle Trees, DAGs). Understanding of database systems (e.g., RocksDB)  Proficiency in Rust testing