Security Engineer- Smart Contract Auditor (Crypto / Blockchain)

Caiz; Frankfurt; Hybrid; EUR 70.000 - 90.000; Vollzeit

Zusammenfassung

A leading blockchain finance organization based in Frankfurt is seeking a Security Engineer – Smart Contract Auditor to enhance the security of their innovative financial solutions. The successful candidate will conduct audits on smart contracts, identify vulnerabilities, and collaborate with blockchain engineers to suggest security improvements. Candidates should have 3–5 years of experience in blockchain security, a strong understanding of Ethereum and Solidity, and the ability to communicate complex findings. This role offers competitive compensation and flexible working options, contributing to an ethical financial ecosystem.

Leistungen

Competitive Financial Compensation

Work Flexibility

Generous paid time off

Relocation Assistance

Professional Development

Employee Recognition

Inclusive & Collaborative Culture

Qualifikationen

• 3–5 years of experience in blockchain security or smart contract auditing.
• Strong understanding of Ethereum and Solidity.
• Hands-on experience auditing DeFi protocols and staking contracts.
• Strong analytical and problem-solving skills.
• Ability to document findings clearly for technical and non-technical audiences.

Aufgaben

• Conduct audits of smart contracts and blockchain protocols.
• Identify vulnerabilities and propose solutions.
• Collaborate with engineers to improve security designs.
• Write detailed audit reports with recommendations.
• Monitor blockchain infrastructure for unusual activities.

Kenntnisse

Smart contract auditing

Blockchain security

Cryptographic protocols

Analytical skills

Problem-solving

Penetration testing

Secure coding

Ausbildung

Bachelor’s or Master’s degree in Computer Science

Tools

MythX

Slither

Echidna

Foundry

Hardhat

Truffle

Jobbeschreibung

Revolutionizing Islamic Finance with Blockchain Technology

Are you ready to be part of a groundbreaking initiative that combines Islamic finance principles with cutting-edge blockchain technology?

Look no further than Caiz – The First Islamic Ecosystem Built on Blockchain.

At Caiz, our mission is clear: to create a Fiqh compliant financial ecosystem that provides our community with fair and easy access to ethical financial products and services. We believe in empowering individuals to build a strong financial future while engaging in long-term economically beneficial behavior.

We are a passionate team reshaping finance, and we are expanding our dynamic workforce. Join us in a collaborative work environment focused on creating a fast and compliant money transfer structure.

Why to Join Caiz?

• Innovative & Purpose-Driven: At Caiz, we combine advanced blockchain technology with the principles of Islamic finance to create an innovative and modern financial system. Join us to be part of a forward-thinking organization that is reshaping the future of finance.
• Ethical Impact: As part of Caiz, you'll be working in an Organization that prioritizes ethics and integrity in all its operations, ensuring that every solution we offer aligns with the core values of fairness, transparency, and respect.
• Growth & Learning Opportunities: At Caiz, we value personal and professional growth. You'll have the opportunity to learn, innovate, and grow within a dynamic, supportive environment, while contributing to the development of ethical financial solutions.
• Global Vision, Local Impact: Caiz is focused on creating an inclusive, sustainable financial system that empowers individuals globally. You’ll be contributing to a company that has a positive impact on local communities and the global financial landscape.
• Collaborative Culture: We believe in teamwork and collaboration. You'll work alongside passionate professionals who are committed to driving change in the crypto and blockchain space, working together to create an ethical financial future.
• Secure & Transparent Environment: We emphasize trust and security in all aspects of our operations. As part of Caiz, you’ll be part of a transparent organization that values customer trust and ensures the highest security standards in the crypto space.

Tasks

We are seeking an experienced Security Engineer – Smart Contract Auditor to ensure the robustness, transparency, and safety of our blockchain ecosystem. The role requires deep technical expertise in smart contracts, blockchain security, and cryptographic protocols.

Responsibilities:

• Conduct comprehensive audits of smart contracts, blockchain protocols, and decentralized applications (dApps).
• Identify, analyze, and remediate vulnerabilities in smart contracts, including reentrancy, overflow/underflow, logic errors, gas optimization issues, and governance risks.
• Design and implement security best practices for smart contract development and deployment.
• Collaborate with blockchain engineers to review architecture and propose secure design improvements.
• Perform penetration testing and threat modeling specific to blockchain and DeFi environments.
• Write detailed audit reports, including vulnerabilities, risk assessments, and recommendations.
• Monitor deployed contracts and blockchain infrastructure for abnormal activities and potential exploits.
• Stay updated on the latest blockchain security threats, vulnerabilities, and industry best practices.
• Educate internal teams on security awareness, safe coding practices, and emerging risks.

Requirements

Experience:

• 3–5 years of experience in blockchain security, smart contract auditing, or cybersecurity roles.
• Strong understanding of Ethereum, Solidity, and EVM-based chains (experience with other chains like BSC, Polygon, Polkadot, or Layer-2s is a plus).
• Hands-on experience auditing DeFi protocols, staking contracts, NFTs, or DAO governance contracts.
• Proven experience with blockchain security tools (e.g., MythX, Slither, Echidna, Foundry, Tenderly, Hardhat, Truffle).
• Knowledge of cryptographic principles (hashing, signatures, zero-knowledge proofs) and applied security.
• Experience publishing or contributing to audit reports, whitepapers, or security advisories is a strong plus.
  Expert in Solidity, smart contract development, and debugging.
• Strong analytical and problem-solving skills for identifying complex vulnerabilities.
• Proficiency in penetration testing, fuzzing, and formal verification methods.
• Ability to clearly document findings and communicate with both technical and non-technical stakeholders.
• Familiarity with secure coding guidelines and blockchain threat landscapes.

Level of studies: Bachelor’s or Master’s degree in Computer Science, Cybersecurity, Cryptography, or related technical field.

Language Requirements: Fluent in English

Benefits

Benefits at Caiz:

• Competitive Financial Compensation: We offer financial benefits that reflect the value of your work and dedication.
• Work Flexibility: Enjoy the flexibility to work from home, the office, or even abroad.
• Annual Holidays: Generous paid time off to help you maintain a healthy work-life balance.
• Relocation Assistance: We provide relocation support for employees moving to new locations.
• Professional Development: Opportunities for training, certifications, and career growth.
• Employee Recognition: Programs to celebrate and reward your achievements and contributions.
• Inclusive & Collaborative Culture: A supportive and diverse work environment where your voice matters.
• Diversity, Equality, and Inclusion: We are committed to fostering a workplace that values diversity and promotes equality and inclusion for all employees.

Don't miss this opportunity – apply now and be part of the Caiz revolution.