Senior Security Software Engineer at Parity

About Us

Parity is a highly experienced company developing core blockchain infrastructure, enabling secure information and value sharing without intermediaries. We are building the foundation for a better web that respects individual freedom and data, empowering developers to create more trustworthy online services. Our remote-first, global team develops open-source software like Polkadot, Polkadot SDK, and Kusama, which are key components of the Web3 tech stack, the next generation of the internet. Our mission is to establish Polkadot as the most active and innovative blockchain community, driving a new era of connected and decentralized applications.

About the Team

The Security Engineering team at Parity is dedicated to safeguarding the Polkadot ecosystem. This involves designing and implementing secure software, conducting code audits for vulnerabilities, and developing advanced machine learning tools to automate security analysis. We collaborate closely with development teams to integrate security best practices across our open-source stack, ensuring our blockchain infrastructure is robust, resilient, and secure by design.

About the Role

As a security-focused software engineer, you will work beyond traditional application security. Your responsibilities will include auditing and writing secure Rust code, performing deep manual and automated code audits, and utilizing machine learning to enhance security across our ecosystem. This position offers a unique opportunity to shape the security landscape for the next generation of decentralized applications and protocols.

• Assist in Developing Secure Software: Write and optimize Rust code to build security-critical components and tools.
• Code Auditing & Vulnerability Analysis: Conduct thorough manual and automated code reviews to identify and mitigate security vulnerabilities.
• ML-Powered Security: Design and implement machine learning models for automated security analysis, anomaly detection, and threat mitigation.
• Bug Bounty & Vulnerability Management: Manage bug bounty submissions, triage security reports, and collaborate with ethical hackers to resolve issues.
• Secure Development Best Practices: Partner with engineering teams to integrate security best practices into the software development lifecycle.
• Threat Modeling & Risk Assessment: Identify and evaluate security risks within our blockchain infrastructure, smart contracts, and core software.
• Stay Cutting-Edge: Research and implement the latest advancements in secure coding, ML-driven security, and blockchain security.

What We're Looking For

We are seeking candidates with the following qualifications:

• Experience with secure coding practices and memory safety concepts.
• Background in code auditing, vulnerability analysis, or exploit development.
• Experience triaging and resolving bug bounty reports.
• Knowledge of machine learning techniques applied to security, such as anomaly detection, fuzzing, or automated threat detection.
• Familiarity with cryptographic principles, blockchain security, or decentralized systems.
• Strong problem-solving skills and an offensive security mindset.

If you are passionate about writing secure software, auditing code, and pioneering ML-driven security solutions for Web3, we encourage you to apply!

About Working With Us

Joining Parity means becoming part of a team whose members are genuinely enthusiastic about the impact of their projects and eager to grow alongside leading minds in the Web3 space. You will enjoy remote and flexible work arrangements, with opportunities to connect with teammates throughout the year at various team and company-wide retreats. Upon receiving an offer, all candidates will undergo a background check conducted by Zinc, our trusted third-party provider. Team members will be engaged as contractors via our UK entity. Please review our Applicant Notice for details on how we use your data. Parity is an Equal Opportunity Employer, valuing diversity in our global team and striving to ensure everyone feels included and welcome.