Overview
We are seeking a talented and experienced Blockchain Developer to join X1(zk layer2 based on
Polygon CDK) or ZK-Dex(based on zkwasm) development team. As a Blockchain Developer, you
will be responsible for designing, implementing, and maintaining blockchain-based solutions.
Additionally, you will provide support for hackathons to encourage innovation and collaboration
within the X1 community and contribute to the Polygon CDK, or participate in the design and
development of ZK spot/perpetual/united account dex.
Key Responsibilities:
1. Blockchain Development: Design, develop, and deploy blockchain solutions, including smart
contracts and decentralized applications.
2. Programming: Write clean, efficient, and maintainable code in languages such as Solidity,
Go, or Rust, C++ depending on the blockchain platform being used.
3. Smart Contract Development: Create, test, and deploy smart contracts on various blockchain
platforms, ensuring security and efficiency.
4. Architecture Design: Collaborate with architects and software engineers to design scalable
and secure blockchain architectures that meet business and technical requirements.
5. Performance Optimization: Analyze and optimize the performance of blockchain networks,
including transaction throughput and latency, to enhance scalability and efficiency and
optimizing zk circuits to improve performance of zkprover
6. Documentation: Create technical documentation, including design specifications,
development guides, and API references, to ensure proper usage and maintenance of
blockchain solutions
7. Managing and mentoring junior engineers
Qualifications and Skills:
1. Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
2. Proficiency in programming languages such as C++, Rust, Go or Solidity.
3. Excellent communication and teamwork skills, with the ability to collaborate effectively with
cross-functional teams.
4. Hands-on experience with blockchain platforms like Ethereum, Cosmos, Bitcoin, EVM or
Webassembly virtual machine.
5. Hands-on experience with L2 platforms such as Polygon ZKEvm, ZKSync Era, Linea, Taiko,
Scroll, etc.
6. Familiar with performance optimization tools such as Gperftools, Profiler, Flamegraph, Pprof,
etc., and have experience in performance optimization development in actual projects.
Experience in zk GPU acceleration is preferred
7. Experience in zero-knowledge proof development, especially zkvm, and familiarity with
principles of plonk/halo2/KZG/FRI and related libraries or circuit development languages,
such as plonky2, Circum, gnark
8. Proven experience as a Blockchain Developer or similar role, with a strong understanding of
blockchain concepts, consensus algorithms, and cryptographic principles.
9. Familiarity with smart contract development tools and frameworks (e.g., Truffle, Remix,
Web3.js).
10. Strong problem-solving and analytical skills, with the ability to design and develop efficient
blockchain solutions.
11. Team management experience