About the Company

Libre is focused on the design and development of a blockchain-based protocol to eliminate inefficiencies in legal, financial and operational workflows for private markets. Going beyond the simple concept of tokenization and enabling seamless access to private markets directly on-chain, regardless of the end-user platform and/or public network where the user is based

Libre’s product focus is to tokenise the funds on a blockchain infrastructure and enable future composability of the digital security assets with other institutional on-chain services e.g., collateralised lending and secondary trading.

About the role:

We are looking for an experienced Rust Engineer to join our team, working on cutting-edge projects. You will play a key role in designing, developing, and maintaining blockchain-based solutions that ensure stability, security, and scalability for our real-world asset tokenisation ecosystem. This is an exciting opportunity to work at the forefront of blockchain and financial technology, contributing to the future of tokenised assets.

What you are good at:

Writing and reviewing high assurance code, tests, invariants and other deliverables for our protocol projects using industry best-practices
Researching protocol design & architecture
Conducting internal security audits with an emphasis on robust process, continuous learning and ownership
Contributing and evolving our internal methodologies, coding standards, review methods and other standard operating procedures
Contributing compelling and clear protocol documentation both in-code and in dedicated spaces both for private and public use
Closely collaborating with members across various teams
Community engagement via events, engineering blogs posts and social media channels
Creating impactful communications that help drive decision making
Helping identify market and technology opportunities

What you bring:

3+ years of experience in a professional engineering role
1+ years of experience in Rust development
Familiarity with behavioural, creational and structural patterns
Multi-threaded and async programming with tokio
Implementation of low-level encoding format, e.g. bit masking
Working with unsafe Rust is a plus
1+ years of experience in protocol design/architecture or system design
Comfortable learning about and contributing to complex DeFi protocols that may involve understanding MEV, economic incentives, and designing complex financial models
Ability to work efficiently in a remote environment
Ability to effectively communicate, collaborate and connect with clients, partners and other third parties

Bonus Qualifications

Background or interest in Zero-Knowledge Proofs. We are not looking for the scientific background, it would be ideal if you have worked with at least one of the following libraries/tools.
Arkworks
Circom
Halo2
RiscZero / Jolt
Experience working with Substrate. Some aspects that will be particularly important for the development:
FRAME pallet development
Storage migration
Benchmarking
Experience working with modifying EVM
Knowledge of the storage layer of the blockchain stack. Understand the benefits of Merkle trees and how a proof is constructed

What we offer:

Competitive salary and benefits package
Opportunity to work on challenging and impactful projects
Collaborative and supportive work environment
Opportunities for professional growth and development

Libre Capital

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Mid-level Rust Engineer