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About the Role
As a Senior Product Security Engineer, you will dive deep into mobile and web app technologies to hunt for vulnerabilities, secure cloud-native applications, and perform threat modeling. You will guide developers in secure design principles, remediate vulnerabilities, and act as a subject matter expert in Application Security. The goal is to enable secure development rather than gatekeeping, mentoring junior engineers and integrating security into CI/CD pipelines through automation.
Responsibilities
- Regularly dive deep into mobile, web app technologies to understand feature development and proactively hunt for vulnerabilities.
- Be proficient in securing cloud-native applications, ensuring security best practices are applied consistently across the cloud environment.
- Be proficient in threat modelling and guide developers in secure design principles to prevent vulnerabilities.
- Help remediate vulnerabilities through strategic initiatives, writing patches, or creating understandable and actionable vulnerability tickets.
- Act as the subject matter expert across a wide range of security areas, particularly in Application Security.
- Make security invisible when possible, avoiding gatekeeping and blocking product teams in favor of enabling secure development.
- Mentor and coach junior engineers, sharing knowledge to help raise the security bar across the organization.
- Leverage automation and security tools to seamlessly integrate security into CI/CD pipelines, ensuring vulnerabilities are caught early without disrupting development.
Requirements
- Passion for security and resilient software development processes.
- Enjoy hunting for vulnerabilities in web and mobile applications and working with engineering teams to remediate them strategically.
- Comfortable explaining security issues and concerns to product owners, engineers, VPs, and executives.
- Keen follower of all things Infosec and constantly on the lookout for ways to apply new industry trends, tools, and automations.
- Breadth and depth of knowledge across AppSec, including understanding of private key storage, URL Schemes vs. Universal Links, presigned URLs in S3 context, and safe storage mechanisms for modern browsers.
- Proficiency with Burp Suite or similar attack proxies; bonus for extension contributions.
- Excellent spoken and written communication skills to articulate vulnerabilities clearly and persuasively.
- Advocate for remediation even when faced with competing production pressures.
- Blog, public speaking engagements, bug bounty profile, or Git repository showcasing work.
- Comfortable writing proof-of-concept (POC) scripts to demonstrate findings and potential impact.
- Hands-on experience with securing cloud-native applications, ensuring best practices are consistently applied.
Skills
- Application Security
- Cloud Security
- Threat Modelling
- Secure Design Principles
- Vulnerability Remediation
- Automation
- CI/CD Integration
- Burp Suite
- Proof-of-Concept Scripting
- Secure Enclave
- URL Schemes
- Universal Links
- Presigned URLs
- S3
- Browser Storage Mechanisms
Location
- London, UK
- Remote
Work Type
- Flexible working options
- Remote
- In-person
Experience Level
- Senior
Salary/Compensations
- Competitive salary
Benefits
- Group Life Insurance
- Vitality Health Insurance
- 24/7 Employee Assistance Programme
- 25 days holiday with the ability to buy extra days
- £1,000 professional L&D budget per year
- Access to ‘salary sacrifice’ benefits (Cycle to Work scheme, pension contribution)
- Spacious brand-new office in Liverpool street with an all-day snacks bar
- Enhanced family-friendly leave
- 3 days for L&D or volunteering time off per year
- Sabbatical leave
- Share options
About the Company
- Tide helps SMEs save time and money by offering business accounts, banking services, and administrative solutions like invoicing and accounting.
- Tide is transforming the small business banking market and supports over 2 million members globally across the UK, India, Germany, and France.
- Tide uses advanced technology with solutions designed for SMEs, focusing on quick onboarding, low fees, and innovative features.
- Tide's mission is to help SMEs save time and money so they can get back to doing what they love.
- Tide has over 2 million members across UK and India, has raised over $300 million in funding, and has over 2,800 employees globally.
- Tide has received Great Place to Work certification three years in a row and was recognized among India’s Top 50 Best Workplaces in Banking, Financial Services, and Insurance in 2026.
- Tide has offices in Central London, a member support and technology centre in Sofia, Bulgaria, technology centres in Serbia, Romania, Lithuania, and Hyderabad, and offices in Gurugram, New Delhi, Berlin, Paris, and Luxembourg.
Equal Opportunity
- At Tide, we believe that we can only succeed if we let our differences enrich our culture. Our Tideans come from a variety of backgrounds and experience levels. We consider everyone irrespective of their ethnicity, religion, sexual orientation, gender identity, family or parental status, national origin, veteran, neurodiversity or differently-abled status. We celebrate diversity in our workforce as a cornerstone of our success. Our commitment to a broad spectrum of ideas and backgrounds is what enables us to build products that resonate with our members’ diverse needs and lives. We are One Team and foster a transparent and inclusive environment, where everyone’s voice is heard.
- At Tide, we thrive on diversity, embracing various backgrounds and experiences. We welcome all individuals regardless of ethnicity, religion, sexual orientation, gender identity, or disability. Our inclusive culture is key to our success, helping us build products that meet our members' diverse needs. We are One Team, committed to transparency and ensuring everyone’s voice is heard.