Senior Application Security Engineer in London

Senior Application Security Engineer in London

London Full-Time 70000 - 70000 £ / year (est.) Home office (partial)
Our Future Health

At a Glance

  • Tasks: Join our team to embed security into code and applications in a cloud-native environment.
  • Company: Our Future Health, dedicated to transforming health for future generations.
  • Benefits: Competitive salary, generous holiday, pension scheme, and wellbeing support.
  • Other info: Flexible working arrangements and a collaborative team culture.
  • Why this job: Make a real impact on secure engineering practices and help prevent diseases.
  • Qualifications: Experience in AppSec, coding, and cloud environments; passion for secure engineering.

The predicted salary is between 70000 - 70000 £ per year.

We’re looking for a Senior Application Security Engineer to join our expanding Information Security team. If you are a hands‑on AppSec expert who enjoys working deep in the SDLC, partnering with talented engineers and building security into fast‑moving delivery pipelines, this role gives you the space to make a real impact. You will join a modern, cloud‑native environment where squads genuinely care about secure engineering, and you will have the autonomy, tooling and influence to help them excel.

You will work alongside our existing Senior AppSec Engineer and Security Architect, strengthening our capacity and resilience as we continue to mature our security services. This is not a vulnerability management position. It is true engineering‑led AppSec, shaping secure design, embedding controls into CI/CD, operating core security services and getting into the technical detail of how our systems are built.

If you come from a startup or scale‑up background, thrive in cloud‑native environments and enjoy being the trusted expert for squads who want to do the right thing, you will feel at home here. You will help define how we secure applications across Azure, AKS, Databricks, Snowflake and more, with the freedom to influence processes, tooling and engineering culture.

At Our Future Health, our mission is to transform the prevention, detection and treatment of conditions such as dementia, cancer, diabetes, heart disease and stroke. We’re looking for people to join us on our journey. If you’re looking for a new challenge where you can contribute to helping future generations live in good health for longer, then we’re keen to speak with you.

What you’ll be doing:

  • Partnering with development teams across architecture, engineering and cloud to embed security into code, applications, Kubernetes and containerised workloads.
  • Encouraging a shift‑left approach and promoting secure engineering practices.
  • Implementing and operating code scanning to help developers identify and remediate vulnerabilities.
  • Maturing our Secure Development Lifecycle, embedding security into CI/CD in GitHub Actions and strengthening development tooling.
  • Advising on securing APIs and other high‑risk system components.
  • Assisting with securing our Data Platforms including Databricks, Dagster, Snowflake and the wider cloud environment.
  • Developing security policy as code using OPA or similar and gaining adoption across teams.
  • Documenting security processes and low‑level designs for security tools and services.
  • Contributing to security service documentation to support consistent delivery and operations.
  • Assisting teams integrating with security tooling and ensuring smooth onboarding to security services.
  • Supporting wider security initiatives including ISO 27001 activities and threat modelling.

What you won’t be doing:

  • Working in a siloed environment with no freedom to make decisions.
  • Working in a place where you can’t see the impact your expertise makes.

Requirements:

To succeed in this role you will be able to demonstrate some of the following skills and experience:

  • Proficient in writing Terraform, Python and ideally KQL.
  • Significant hands‑on experience with implementing and operating code scanners including SAST, DAST, IAST and SCA.
  • Experience of automating security capabilities and delivering security or policy as code using tools such as OPA or Azure Policy.
  • Experience of securing GitHub and GitHub Actions, or similar CI/CD platforms.
  • Experience of securing Kubernetes ideally AKS, along with broader container security.
  • Experience of securing APIs and other exposed components.
  • Ideally experience in securing data platforms such as Databricks, Dagster or Snowflake.
  • Experience working directly with software engineering best practices including source control, unit testing, code reviews, design documentation and strong debugging and troubleshooting.
  • Experience in threat modelling within engineering teams.
  • Exposure to Agile working and DevSecOps.
  • Knowledge of ISO 27001 and its relevance to secure engineering.
  • Desire to be part of a small fast‑paced team with a collaborative mindset.
  • Relevant certifications such as Microsoft MS‑500, AZ‑500, AZ‑700, SC‑200, CompTIA Security+ or Cloud+, CSA CCSK, ISC2 CSSLP, GIAC GWAPT or EC‑Council CASE.

Benefits:

  • Salary from £70,000 per annum.
  • Generous Pension Scheme – We invest in your future with employer contributions of up to 12%.
  • 30 Days Holiday + Bank Holidays – Enjoy a generous holiday allowance with the flexibility to take bank holidays when it suits you.
  • Enhanced Parental Leave – Supporting you during life’s biggest moments.
  • Cycle to Work Scheme – Save 25-39% on a new bike and accessories through salary sacrifice.
  • Home & Tech Savings – Get up to 8% off on IKEA and Currys products, spreading the cost over 12 months through salary sacrifice.
  • £1,000 Employee Referral Bonus – Know someone amazing? Get rewarded for bringing them on board!
  • Wellbeing Support – Access to Mental Health First Aiders, plus 24/7 online GP services and an Employee Assistance Programme for you and your family.
  • A Great Place to Work – We have a lovely Central London office in Holborn, and offer flexible and remote working arrangements.

Join us - let’s prevent disease together.

At Our Future Health, we recognise the importance of having a diverse workforce and ensuring that all candidates, regardless of their background, have equitable access to our application process. We proactively encourage applicants who identify as having a disability, neurodiversity, or long-term health conditions to let us know if they require any reasonable adjustments as part of their application process. If you do require any reasonable adjustments, please email us at talent@ourfuturehealth.org.uk

Senior Application Security Engineer in London employer: Our Future Health

At Our Future Health, we pride ourselves on being an exceptional employer, offering a collaborative and innovative work culture that empowers our employees to make a meaningful impact in the field of health technology. With generous benefits including a competitive salary, a robust pension scheme, and a commitment to employee wellbeing, we foster an environment where personal and professional growth is encouraged. Located in the heart of Central London, our modern office provides a vibrant setting for talented individuals to thrive while contributing to our mission of transforming healthcare for future generations.

Our Future Health

Contact Details:

Our Future Health Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Application Security Engineer in London

Tip Number 1

Network like a pro! Reach out to your connections in the industry, attend meetups, and engage with online communities. You never know who might have the inside scoop on job openings or can refer you directly.

Tip Number 2

Show off your skills! Create a portfolio or GitHub repository showcasing your projects and contributions to AppSec. This gives potential employers a tangible look at what you can bring to the table.

Tip Number 3

Prepare for interviews by brushing up on common AppSec scenarios and challenges. Practice articulating how you've embedded security into CI/CD pipelines and worked with cloud-native environments.

Tip Number 4

Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you're genuinely interested in joining our mission to transform health.

We think you need these skills to ace Senior Application Security Engineer in London

Application Security
Secure Development Lifecycle
CI/CD Integration
Terraform
Python
KQL
Code Scanning (SAST, DAST, IAST, SCA)

Some tips for your application 🫡

Tailor Your Application:Make sure to customise your CV and cover letter to highlight your experience with AppSec and secure engineering practices. We want to see how your skills align with our mission and the specific requirements of the role.

Show Your Passion for Security:Let us know why you’re excited about application security! Share any personal projects or experiences that demonstrate your commitment to secure coding and engineering. We love seeing candidates who are genuinely passionate about what they do.

Be Clear and Concise:When writing your application, keep it straightforward and to the point. Use bullet points where possible to make it easy for us to read through your qualifications and experiences. We appreciate clarity!

Apply Through Our Website:We encourage you to submit your application directly through our website. This helps us streamline the process and ensures your application gets the attention it deserves. Plus, it’s super easy!

How to prepare for a job interview at Our Future Health

Know Your Tech Inside Out

Make sure you’re well-versed in the technologies mentioned in the job description, like Terraform, Python, and KQL. Brush up on your experience with code scanners and CI/CD platforms, especially GitHub Actions. Being able to discuss these tools confidently will show that you’re ready to hit the ground running.

Showcase Your Collaborative Spirit

This role is all about partnering with development teams, so be prepared to share examples of how you've worked collaboratively in the past. Highlight any experiences where you’ve encouraged secure engineering practices or helped teams integrate security tooling. This will demonstrate that you can thrive in a team-oriented environment.

Prepare for Technical Questions

Expect some deep technical questions related to application security, threat modelling, and securing cloud environments. Review common scenarios and best practices, and be ready to explain your thought process. This will help you stand out as a knowledgeable candidate who can tackle real-world challenges.

Emphasise Your Impact

During the interview, focus on how your previous work has made a tangible impact on security processes or engineering culture. Use specific metrics or outcomes to illustrate your contributions. This will help the interviewers see the value you can bring to their team and mission.