Job Description

Career Renew is recruiting for one of its clients a Blockchain Engineer - this is a fully onsite position in NYC or San Francisco. Salary range: 200-300K USD yearly.

What we're building:

Multi Asset Margin for Hyperliquid. Giving users the ability to post variable forms of collateral, instead of selling collateral for USDC and depositing to Hyperliquid. Multi asset margin comprises of over 86% of accounts in Crypto.

What is Hyperliquid.xyz :

Hyperliquid is the fastest growing crypto derivatives exchange which is a 20-30B a year revenue sector. Currently around 6% of global market share. Hyperliquid has annualised revenues of over $1B in USDC, at 99% net margin.

How we're building it:

Blockchain under the hood, users will post collateral on our systems and we'll extend USDC collateral on venues of their choice. We will bring the venues to the user, as opposed to the user having to go to other venues. Users will be able to post various forms of collateral and eventually be able to trade on Hyperliquid without needing to sell down collateral.


Join our Infrastructure & Platform team to architect and deploy highly reliable, scalable blockchain services with lightning-fast performance. You'll lead the development of mission-critical core infrastructure that powers our products.

What you'll do

• Develop storage layers, execution engines, transaction pools, gossip protocols and state-machine replication to deliver high-throughput, low-latency performance.
• Implement, harden, and extend consensus algorithms to guarantee safety, liveness and high performance under real-world network conditions.
• Profile CPU, memory, I/O, and network stacks, identify bottlenecks and push performance limits.
• Integrate diverse cryptographic primitives including hash functions, Merkle proofs, digital signatures, encryption schemes, key-exchange protocols and proof systems.
• Design and implement reliable peer discovery, NAT traversal, connection pooling, load balancing, congestion control, encrypted networking (TLS), and multiplexed transports (e.g. TCP, UDP, QUIC).

What you bring

• 2+ years building blockchain-based distributed systems and consensus engines.
• Expert proficiency in C++, Rust, Zig, or other low-level languages.
• Deep understanding of consensus protocols (e.g. PBFT, HotStuff, Tendermint).
• Strong cryptography fundamentals: hashing, Merkle trees, multisignatures, elliptic-curve cryptography.
• Solid networking experience: TCP/UDP, QUIC, peer discovery, NAT traversal.
• Hands-on experience with key-value store databases for efficient state storage and high-throughput access (e.g. RocksDB, MDBX).
• Authorised to work in the United States.

Compensation & Package

• $200-300k annual salary.
• Company equity.
• Medical, dental, and vision insurance with HSA options.
• Paid vacation and holidays.
• Retirement plan with employer match.

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