Logos is a movement supporting the development of the decentralised web. Logos technologies lay the foundations for a freer internet upon which communities can evolve into network states. Each protocol in the Logos stack seeks to empower its users while upholding civil liberties and fundamental freedoms.

About Vac

Vac builds public good protocols for the decentralized web.

This role is within the Vac Nescience unit, which develops Nescience A zkVM leveraging hiding properties.

The role

In this role, you will be responsible for conducting in-depth research and analysis of ZK argument systems.

The ideal candidate should be well-versed in zero-knowledge circuits written in Rust, with the ability to adapt to evolving research needs.

Your responsibilities will include designing zero-knowledge circuits, writing comprehensive specifications, and effectively communicating research findings through detailed write-ups.

Key responsibilities

• Research, analyze and design ZK argument systems and architectures for private computation.
• Write specifications and communicate research findings through write-ups.
• Analyze and give feedback for zero-knowledge circuits written in Rust.
• Break down complex problems, and know what can and what can’t be dealt with later.
• Perform security analysis, measure performance of and debug circuits.

You ideally will have

• Very strong academic or engineering background (PhD-level or equivalent in industry); relevant research experience.
• Deep understanding of Zero-Knowledge argument systems and related technologies (Nova, Plonk/Halo2, zk-STARK, zk-SNARK, circom), elliptic curve cryptography, and circuit design.
• Keen communicator, eager to share your work in a wide variety of contexts, like internal and public presentations, blog posts and academic papers.
• Experience in, and passion for, blockchain technology
• A strong alignment to our principles

Bonus points if

• Experience with low level / strongly typed languages (C++/Go/Rust)
• Experience with Open Source software

[Don’t worry if you don’t meet all of these criteria, we’d still love to hear from you anyway if you think you’d be a great fit for this role. Just explain to us why in your cover letter].

Hiring process

The hiring process for this role will be:

1. Interview with our POps team
2. Interview with team member from the Vac team
3. Pair programming task with the Vac team
4. Interview with Vac team lead

The steps may change along the way if we see it makes sense to adapt the interview stages, so please consider the above as a guideline.

Compensation

The expected compensation range for this role is negotiable, dependent on how we assess your skills and experience throughout our interview process. We are happy to pay in any mix of fiat/crypto.

Steakhouse Financial’s mission is to pioneer open and transparent finance. We build transparent, efficient, and accessible financial primitives to power the next generation of capital markets on public blockchains. We empower leading DAOs and crypto-native companies including Sky (FKA MakerDAO), Lido, Morpho, Ethena, and ENS through strategy, risk, and financial advisory. Our focus areas include real world assets (RWAs), stablecoins, curating efficient lending markets, market making, and actively participating in markets via proprietary trading to enhance liquidity and overall market health.

We are gathering the best minds in finance, legal, data, risk, and engineering and to build the future of finance.

About the Role: As a Senior Smart Contract Engineer at Steakhouse, you will be at the forefront of developing and optimizing smart contracts that will leverage and empower crypto-native and real world assets (RWAs). You will design and implement secure, efficient, and scalable smart contract solutions to solve some of DeFi’s and RWA’s most challenging problems. You will play a pivotal role in designing and implementing new primitives for DeFi in partnership with the largest and most sophisticated capital allocators in the world, to truly scale DeFi globally.

What you’ll do:

• Design, develop, and maintain secure, high-performance smart contracts (primarily in Solidity) to leverage - crypto-native and non-crypto-native assets and facilitate complex capital flows on-chain.
• Collaborate with cross-functional teams to ensure our smart contracts and protocols meet the highest security standards, undergo rigorous audits, and are designed to scale for large capital inflows.
• Take a leading role in shaping protocol-level decisions, introducing innovative features that enhance functionality, security, and accessibility for end users and institutional partners.
• Serve as a thought leader within the engineering organization, guiding junior and mid-level engineers, reviewing code, and establishing best practices for smart contract development and deployment.
• Work closely with product leads, data scientists, and other stakeholders to integrate and optimize real-world asset tokenization strategies, ensuring alignment with overall company objectives.
• Stay up-to-date with the latest developments in DeFi, smart contract standards, bridging solutions, and blockchain technology, proactively recommending improvements to existing infrastructure.

What we’re looking for:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related technical field.
• 5+ years of software engineering experience.
• Minimum of 3+ years of experience working in blockchain engineering, ideally with another DeFi Protocol with a large user base
• A proven track record of shipping production-level smart contracts, ideally in decentralized finance or asset tokenization.
• Deep understanding of Solidity, EVM mechanics, common smart contract patterns, and familiarity with relevant frameworks (e.g., Hardhat, Truffle, Foundry).
• Strong knowledge of security best practices, including threat modeling, audits, and secure coding patterns (e.g., OpenZeppelin libraries).
• Experience with Layer 2 solutions, cross-chain bridges, or zero-knowledge proofs.
• Excellent technical and non-technical communication skills, verbal and written.
• Proven results in building and scaling a Defi protocol.
• Practical experience with various DeFi protocols (e.g., lending, derivatives, AMMs, stablecoins) and an ability to design and implement complex financial logic on-chain.
• Knowledge of tokenization platforms, and relevant industry standards (e.g., ERC-20, ERC-721, ERC-1155).
• Strong emphasis on understanding the “why” behind requirements and commitment defining the “minimum scope.”

What we offer:

• Competitive compensation including salary, future token rights, and equity.
• True impact at scale - we have partnered with some of the world’s largest financial institutions to bring real world on-chain
• Work within a remote and highly collaborative team consisting of diverse experts with the opportunity to travel to team events and conferences
• Regular opportunities for skill development, leadership roles, conference participation, and knowledge sharing in a supportive, fast-paced environment

Please send CV + cover letter to email

What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, we are a 350+ strong team working remotely across 66+ countries.

The role

The Nethermind team is seeking a experience Software engineer with a background in confidential computing. We offer a unique opportunity to work on a variety of diverse projects where strong experience, knowledge and understanding of secure computing platforms is a must. The candidate will be working cross-functionally across the company partnering with our product teams to implement solutions in secure environments in a broad array of applications of use cases from AI through to Finance. The role requires a balance of technical expertise, research mindset, as well as practical engineering skills to take innovative ideas into production.

How to Know If You’re the Right Fit

If you’re driven by complex challenges and excited by the prospect of working with cutting-edge technologies, this role is for you. We’re looking for individuals who are not just engineers but innovators—those who are eager to collaborate with the best minds in the industry and make a significant impact on the future of technology.

Why This Role Is Exciting

• Work with the Best: Collaborate with some of the brightest engineers and researchers in the industry.
• Innovative Challenges: Tackle projects that require deep algorithmic thinking and advanced design.
• Impactful Work: Contribute directly to the development of technologies that push the boundaries of what’s possible.
• Collaborative Environment: Partner with leading developers and researchers shaping the future of decentralized technologies.

Responsibilities:

• Collaborating with engineers across the company on all stages of projects, through design, implementation and testing.
• Partnering with teams across the company from Product through to Engineering to apply your skills to solutions integrating confidential computing.
• Contribute to product documentation.
• Maintain, test and release new and existing confidential compute infrastructure.

Skills:

• Experienced shipping new products all the way through the product stack.
• Proficiency with developing in C++.
• Experience with Rust or JavaScript.
• Knowledge of Trusted Execution Environments (e.g. SGX, TDX, TrustZone, NVIDIA Confidential Compute).
• Familiarity with web protocols (HTTP, QUIC).
• Understanding of the CI/CD developer pipeline and tools (Github, VSCode, Linux).

Nice to have:

• Understanding of distributed consensus algorithms and cryptography concepts (e.g. Zero-Knowledge).
• You can think independently, with drive and initiative, even when challenged and under pressure.
• You can communicate complex concepts and ideas to a broad array of audiences.
• You have a strong interest in distributed systems, privacy technologies, blockchains and cryptocurrencies.

Keep up to date on what we are working on by following us on our social channels:

• Discord
• LinkedIn
• Twitter