Senior Security Engineer
Senior Security Engineer

Senior Security Engineer

Full-Time 48000 - 72000 £ / year (est.) No home office possible
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At a Glance

  • Tasks: Engineer and automate security into a cutting-edge FinTech platform.
  • Company: High-growth FinTech transforming money management with a focus on security.
  • Benefits: Impactful role, ownership culture, budget for learning, and clear career progression.
  • Why this job: Shape the future of secure financial technology and make a global impact.
  • Qualifications: 5+ years in Security Engineering with strong software skills in Python, Go, or TypeScript.
  • Other info: Mentorship opportunities and a dynamic environment focused on innovation.

The predicted salary is between 48000 - 72000 £ per year.

The Opportunity

Join a high-growth FinTech that’s transforming how millions move and manage their money — where security isn’t an afterthought, it is the product. They’re searching for a hands-on Security Software Engineer who can engineer and automate security into the core of their platform. In this role, you won't just surface vulnerabilities — you’ll eliminate them at the root. You’ll build patterns, tooling, and automation to empower developers to ship secure software at speed.

What You’ll Lead & Deliver

  • Embed security into the SDLC from architecture through production
  • Automate guardrails and integrate security tooling into CI/CD
  • Drive threat modelling + security design reviews for new features
  • Create internal security tools, libraries, and developer workflows
  • Mentor engineers and uplift security engineering craft
  • Partner with product & platform teams to build secure-by-default systems

What You Bring

  • 5+ years in Security Engineering / Product / AppSec roles
  • Strong software engineering skills (Python, Go or TypeScript)
  • Experience securing web, mobile and API architectures at scale
  • Deep knowledge of SAST, DAST, IAST, SCA workflows & automation
  • Familiarity with OWASP Top 10, ASVS, MASVS & modern secure design
  • Understanding of OAuth2, OIDC, WebAuthn and identity auth patterns

Bonus Points For

  • Security engineering experience in FinTech, payments or regulated domains
  • Delivered secure coding training or scaled security champion programs
  • Knowledge of PCI-DSS, PSD2, SCA or financial compliance frameworks

What’s In It For You

  • Huge impact: secure products used globally
  • Ownership in a modern, engineering-led culture
  • Budget for certifications, conferences & continuous learning
  • Clear progression to Staff / Principal Security Engineer

If you’re passionate about building secure systems at scale, engineering elegant solutions, and championing DevSecOps — you’ll thrive here. Ready to shape the future of secure financial technology? Let’s talk.

Senior Security Engineer employer: Atarus

Join a dynamic FinTech scale-up that prioritises security as a core component of its innovative platform, offering a vibrant work culture where your contributions directly impact millions. With a strong emphasis on employee growth, you will have access to budgets for certifications and conferences, alongside clear pathways for progression to senior roles. This is an exceptional opportunity to thrive in a collaborative environment that champions engineering excellence and continuous learning.
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Contact Detail:

Atarus Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Security Engineer

✨Tip Number 1

Network like a pro! Reach out to folks in the FinTech space, especially those already working in security roles. Use platforms like LinkedIn to connect and engage with them — you never know who might have a lead on your dream job!

✨Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those related to security engineering. Highlight any tools or automation you've built that align with the job description — this will make you stand out when you apply through our website.

✨Tip Number 3

Prepare for technical interviews by brushing up on your coding skills in Python, Go, or TypeScript. Practice common security scenarios and be ready to discuss how you’ve tackled vulnerabilities in past projects — it’s all about demonstrating your hands-on experience!

✨Tip Number 4

Don’t forget to research the company culture! Understand their approach to security and how they integrate it into their products. This knowledge will help you tailor your conversations during interviews and show that you’re genuinely interested in being part of their team.

We think you need these skills to ace Senior Security Engineer

Security Engineering
Software Engineering
Python
Go
TypeScript
Web Security
Mobile Security
API Security
SAST
DAST
IAST
SCA Workflows
OWASP Top 10
OAuth2
DevSecOps

Some tips for your application 🫡

Tailor Your CV: Make sure your CV reflects the skills and experiences that align with the Senior Security Engineer role. Highlight your experience in security engineering, especially in FinTech, and don’t forget to mention any relevant programming languages like Python or Go.

Craft a Compelling Cover Letter: Your cover letter is your chance to show us your passion for security and how you can contribute to our mission. Share specific examples of how you've embedded security into software development and any tools you've created to enhance security practices.

Showcase Your Projects: If you've worked on any projects that demonstrate your security expertise, make sure to include them. Whether it's automating security processes or mentoring others, we want to see how you've made an impact in your previous roles.

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 to shape the future of secure financial technology!

How to prepare for a job interview at Atarus

✨Know Your Security Fundamentals

Make sure you brush up on your knowledge of security principles, especially those relevant to FinTech. Be ready to discuss the OWASP Top 10 and how you’ve applied secure design practices in your previous roles.

✨Showcase Your Technical Skills

Prepare to demonstrate your software engineering skills, particularly in Python, Go, or TypeScript. You might be asked to solve a coding problem or explain how you've automated security processes in past projects.

✨Discuss Real-World Applications

Be ready to share specific examples of how you've embedded security into the SDLC. Talk about your experience with threat modelling and how you’ve partnered with teams to create secure systems.

✨Emphasise Continuous Learning

Highlight your commitment to staying updated with the latest security trends and technologies. Mention any certifications or conferences you’ve attended, as well as your experience in mentoring others in security best practices.

Senior Security Engineer
Atarus
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  • Senior Security Engineer

    Full-Time
    48000 - 72000 £ / year (est.)
  • A

    Atarus

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