Solidity Smart Contract Auditor

About Multisig

Our vision at Multisig Capital is to foster financial inclusion through the progressive power of blockchain technology, thereby revolutionizing the liquidity dynamics of digital markets. We are a licensed alternative investment manager, recognized for our comprehensive focus on digital assets and proficient operations across a multitude of chains, projects, and centralized exchanges.

We facilitate liquidity across a wide array of platforms within the crypto realm, including various centralized and decentralized trading venues, Automated Market Makers (AMMs), and a diverse portfolio of chains and projects. By doing so, Multisig Capital is able to support both crypto-native entities and conventional financial institutions, ensuring smooth trading operations while further enhancing the liquidity of digital markets.

At Multisig Capital, we don’t just participate in the crypto space – we actively shape it.

Through strategic partnerships, investments, and collaborative development with emerging protocols, we endeavor to propel the evolution of the blockchain ecosystem.

Operating out of Denmark, and with an upcoming expansion to Lisbon, we are a rapidly growing, profit-oriented organization with a clear ambition: becoming one of the top crypto trading firms worldwide.

At the heart of our operations are our core values: integrity, detail-orientation, data-driven decision-making, and curiosity. These principles not only drive our day-to-day actions but also serve as the bedrock for our corporate culture and overall vision. They guide us as we continue to grow, innovate, and push the boundaries of what’s possible within the blockchain space.

Working at Multisig

As a Solidity Smart Contract Auditor at Multisig Capital, your work is critical to our core business strategy of providing liquidity across a multitude of projects on various EVM blockchains Your primary responsibility will be to assess DeFi protocols for potential vulnerabilities that could hinder our liquidity provision.

Sometimes, you will be examining a protocol from scratch, while at other times, you’ll be building upon previous audits, verifying if any vulnerabilities have been introduced into the codebase since the last inspection. Your expertise will be pivotal in upholding our track record of avoiding losses due to hacks or exploits.

As the inaugural Solidity Engineer at Multisig, you will play an influential role in establishing the standards for our processes and approach to smart contract security. Your input will be instrumental in shaping the future of our operations and maintaining the security and integrity of our blockchain-based systems.

Hard Skills Requirements

To ensure success in this role, the candidate should demonstrate the following technical competencies:

• At least 2 years of work experience in cybersecurity.


• Demonstrated expertise with Solidity, EVM, and blockchain-specific topics.


• Experience in assessing smart contract security risks.


• Familiarity with unit and integration testing.


• Experience with Hardhat, Geth, or other development frameworks and local environments.


• Knowledge of fuzzing and formal verification techniques.


• Prior experience in developing and building on DeFi protocols and smart contracts would be a significant plus.


• Proactiveness in problem-solving.


• Good analytical skills and attention to detail

Multisig Offers

• An exceptional opportunity to join us on our growth journey, where you’ll be granted substantial responsibility and ownership of your projects early in your tenure.


• A vibrant company culture that is non-hierarchical, informal, and entrepreneurial, fostering creativity and innovation.


• Aligned incentives: We firmly believe in rewarding our team’s contributions and commitment. To that end, performers will be offered stock options or profit sharing to ensure our goals are mutually beneficial and aligned for long-term success.


• Flexibility: While we appreciate the benefits of flexible working and offer remote work options, we expect that you will be present in the office more than 60% of the time. Unfortunately, we are unable to accommodate fully remote applicants at this time.


• Employee perks: At Multisig, personal and professional development go hand in hand. We provide the opportunity to attend conferences, cover the cost of courses that enhance your qualifications, and regularly organize social activities. We strive to foster a supportive and engaging work environment where you can continually grow and thrive.

Write to Us If You:

• Enjoy tackling complex security challenges.


• Have a strong interest in blockchain technology and smart contract security.


• Are committed to working with a sense of ownership and don’t adhere to a 9-to-5 mentality.


• Appreciate a meritocratic environment, where you’re assessed based on your results.


• Are ready to take on significant responsibility and ownership.

Tips for successful application

• This role is for individuals truly passionate about smart contract security and blockchain technology. If you’re not genuinely excited about becoming a vital part of Multisig’s bright future, this role might not be the right fit.


• We appreciate authentic, unique applications over generic, copy-pasted ones. Share with us your interests, values, and ambitions that align with ours.