Senior Product Security Engineer in Cardiff
Senior Product Security Engineer

Senior Product Security Engineer in Cardiff

Cardiff Full-Time 120000 - 150000 £ / year (est.) Home office possible
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TechShack

At a Glance

  • Tasks: Embed security into software development and enhance DevSecOps practices.
  • Company: Fast-growing fintech company focused on secure, cloud-native platforms.
  • Benefits: Competitive salary, remote work, and a chance to shape security in tech.
  • Other info: Collaborate globally in a hybrid working model with excellent growth potential.
  • Why this job: Join a dynamic team where security is integral to engineering.
  • Qualifications: Experience in application security and familiarity with AWS and Python.

The predicted salary is between 120000 - 150000 £ per year.

We’re partnering with a fast-growing financial technology business building secure, cloud-native platforms in the digital asset space. The organisation operates globally and develops high-value systems where security, reliability, and engineering quality are critical. They’re now hiring a Senior Product Security Engineer to embed security deeper into their software development lifecycle.

This is not a pure penetration testing role. It’s for someone who enjoys working directly with engineers, improving secure design, and building scalable DevSecOps guardrails.

What You’ll Be Doing

  • Embedding security into the SDLC and CI/CD pipelines
  • Implementing and tuning SAST, SCA, and DAST tooling
  • Performing code-level security reviews (Python-heavy backend environment)
  • Leading threat modelling and secure design discussions
  • Strengthening AWS cloud security controls
  • Partnering with engineering teams to triage and remediate vulnerabilities
  • Improving automation and reducing security bottlenecks across product teams
  • Collaborating with an international security team in a hybrid working model

What We’re Looking For

  • Strong experience in application / product security engineering
  • Hands-on delivery of Secure SDLC and DevSecOps practices
  • Experience embedding SAST / SCA / DAST into GitHub or GitLab pipelines
  • Solid understanding of AWS cloud security
  • Comfortable reviewing and writing Python
  • Experience in fintech, regulated environments, or digital platforms preferred
  • Engineering mindset — enabling teams rather than blocking them

This is an opportunity to join a technically strong team where security is treated as part of engineering, not an afterthought. If you’re interested in building secure systems in a modern financial technology environment, feel free to reach out.

Senior Product Security Engineer in Cardiff employer: TechShack

Join a dynamic and innovative financial technology company that prioritises security and engineering excellence. With a strong focus on employee growth, you will have the opportunity to work alongside talented professionals in a collaborative environment, enhancing your skills in secure software development. Enjoy the flexibility of UK remote work while contributing to cutting-edge projects that shape the future of digital assets.
TechShack

Contact Detail:

TechShack Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Product Security Engineer in Cardiff

✨Tip Number 1

Network like a pro! Reach out to your connections in the fintech space and let them know you're on the lookout for opportunities. A friendly chat can lead to referrals that might just land you that Senior Product Security Engineer role.

✨Tip Number 2

Show off your skills! Create a portfolio or GitHub repository showcasing your work with SAST, DAST, and secure coding practices. This gives potential employers a taste of what you can bring to their team.

✨Tip Number 3

Prepare for those interviews! Brush up on your knowledge of AWS security controls and be ready to discuss how you've embedded security into SDLC processes in past roles. Confidence is key!

✨Tip Number 4

Don’t forget to apply through our website! We’re always looking for talented individuals like you to join our team. Your next big opportunity could be just a click away!

We think you need these skills to ace Senior Product Security Engineer in Cardiff

Application Security Engineering
Secure SDLC
DevSecOps Practices
SAST Tooling
SCA Tooling
DAST Tooling
AWS Cloud Security
Python Programming
Threat Modelling
Secure Design
Vulnerability Triage and Remediation
Automation Improvement
Collaboration with Engineering Teams
Experience in Fintech or Regulated Environments

Some tips for your application 🫡

Tailor Your CV: Make sure your CV reflects the skills and experiences that align with the Senior Product Security Engineer role. Highlight your experience in application security, DevSecOps practices, and any relevant projects you've worked on.

Craft a Compelling Cover Letter: Use your cover letter to tell us why you're passionate about security in fintech. Share specific examples of how you've embedded security into the SDLC and collaborated with engineering teams to improve secure design.

Showcase Your Technical Skills: Don’t forget to mention your hands-on experience with SAST, SCA, and DAST tools, especially in a Python-heavy environment. We want to see how you’ve implemented these in real-world scenarios.

Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for this exciting opportunity in our growing team!

How to prepare for a job interview at TechShack

✨Know Your Stuff

Make sure you brush up on your application and product security engineering knowledge. Familiarise yourself with Secure SDLC and DevSecOps practices, especially how to embed SAST, SCA, and DAST into CI/CD pipelines. Being able to discuss these topics confidently will show that you're the right fit for the role.

✨Showcase Your Collaboration Skills

This role involves working closely with engineering teams, so be prepared to share examples of how you've partnered with others in the past. Highlight any experiences where you’ve triaged vulnerabilities or led secure design discussions, as this will demonstrate your ability to enable teams rather than block them.

✨Get Hands-On with Python

Since the environment is Python-heavy, make sure you can talk about your experience reviewing and writing Python code. Bring along examples of your work or projects where you’ve implemented security measures in Python applications to showcase your technical skills.

✨Understand AWS Security

As cloud security is a key part of this role, ensure you have a solid understanding of AWS security controls. Be ready to discuss how you've strengthened cloud security in previous roles and any specific tools or practices you've used to enhance security in cloud environments.

Senior Product Security Engineer in Cardiff
TechShack
Location: Cardiff
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