Senior application engineer Work, Jobs in Iver, Bkm (with Salaries)

Senior Application Security Engineer
IAG Loyalty —London
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Airbnb —London
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MI6 - Secret Intelligence Service —London
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AtkinsRéalis —Epsom
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Levels Technologies —London
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Quick apply
15h
Senior Data Engineer/Architect
Scrumconnect Consulting —Staines-upon-Thames
- £450 - £500 a day
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Senior Systems Engineer
Ultra Electronics —Greenford
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- Bachelor's degree
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The Institution of Structural Engineers —North West London
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Senior Data Engineer
Allianz —Guildford
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- Full-time
- Hybrid work
- Azure
- Analysis skills
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6d
Senior Data Cabling Engineer – Contract (Lead Role)
Halo Technology Ltd —London
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- Night shift
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- Hand tools
- Leadership
Quick apply
2d
Senior Mechanical Engineer
Kier Group —Rickmansworth
- Full-time
- Travel
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13d
Senior Frontstack Engineer, Scale
Airwallex —London
- £74,822 - £138,955 a year
- Full-time
- Azure
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Senior Data Engineer
The Royal Marsden NHS Foundation Trust —Sutton
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- Full-time
- Azure
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2d
Senior Software Engineer
Sopra Steria —Hemel Hempstead
- £55,000 - £60,000 a year
- Hybrid work
- Travel
- Software development
- IT
Senior Infrastructure Engineer (EUC)
Nuffield Health —Epsom
- Full-time
- Hybrid work
- Windows
- Employee discount
- Gym membership
14d

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Senior Application Security Engineer

IAG Loyalty -
London

Apply Now

Job details

Full-time

Qualifications

Kubernetes
Bash (Unix shell)
AWS
Scripting
APIs
AI
Communication skills
Python

Full job description

The Opportunity ✨

As the Loyalty division evolves into a Platform as a Service business, we're looking for a talented and passionate Senior Application Security Engineer to join our security engineering team. You'll have a background in software engineering, a deep interest in application and API security, and a passion for helping organisations safely adopt emerging technologies, including AI and Agentic AI.

You thrive on collaboration, enjoy helping others grow, and see security as an enabler — not a blocker. You'll be an AppSec advocate who supports our engineers in identifying and addressing security risks across the software development lifecycle, while helping shape how security supports our growing use of AI-powered capabilities, intelligent automation and next-generation digital experiences.

As we continue to invest in AI and Agentic AI capabilities to power more intelligent customer experiences, autonomous and semi-autonomous workflows, and new opportunities for commercial growth, security plays a critical role in ensuring these technologies are adopted responsibly, securely and at scale. This is a unique opportunity to help define and embed secure-by-design principles for the next generation of products, platforms and AI-powered services across IAG Loyalty.

What you'll be doing

As a Senior Application Security Engineer, you'll lead the application security practice within the Loyalty division security team, taking responsibility for key security KPIs in this area.

You'll champion secure software development by working closely with engineers, architects and product teams, embedding security practices into our engineering culture. You'll provide training, offer expert advice, and drive awareness of security from the earliest stages of design through to deployment.

You'll help integrate automated security tooling and checks into our CI/CD pipelines, facilitate threat modelling sessions, and review security-sensitive design decisions around authentication, cryptography, API security, data protection and logging. You'll also ensure that tools such as SAST, DAST and SCA are effective and efficient, and that testing programmes — including penetration testing, vulnerability scanning and bug bounty initiatives — are delivering value.

As our adoption of AI accelerates, you'll partner with engineering and platform teams to identify and address emerging security risks associated with AI-powered products, large language models and Agentic AI architectures. You'll help establish security guardrails, patterns and best practices that enable teams to innovate confidently while maintaining appropriate controls around data, access, model usage, agent orchestration and third-party integrations.

You'll play a key role in helping the business safely leverage AI to automate and optimise complex workflows, enhance customer experiences and unlock new growth opportunities, ensuring security is embedded from experimentation through to production scale.

You'll triage vulnerabilities, support engineering teams with practical mitigations, contribute to documentation that strengthens our internal standards and processes, and help shape the future of secure AI adoption across the organisation. Maintaining a strong security culture will be a key focus, and you'll also support internal and external audits where needed.

What we need from you

Experience in software engineering, with a strong security mindset.
Deep understanding of web, application and API vulnerabilities, including the OWASP Top 10.
Proficient in coding, scripting (e.g. Python, Bash) and automating security controls within CI/CD pipelines.
Hands-on experience with security tools such as SAST, DAST and SCA.
Familiar with cloud-native environments (especially AWS), containers, Kubernetes and microservices architectures.
Comfortable reviewing technical designs, performing threat modelling and advising on secure architecture patterns.
Strong understanding of emerging AI security considerations, including large language models, AI-enabled applications and Agentic AI architectures, with a passion for helping shape and secure our adoption journey in this space.
Strong communicator who collaborates effectively with engineers and promotes secure-by-default and secure-by-design practices.

We might not be right for you if:

You only want to focus on your to-do list; we’re a small, high-performing team, we help each other to succeed.

You value perfection over fast iteration and progress; IAG Loyalty moves fast, we learn and iterate as we go; our environment isn’t right for everyone.

You’re looking to create but not build; this is an end-to-end role, you need to be comfortable owning your space, from ideation through to delivery and review.

If you think you have what it takes but don't meet every single point above, please do still apply. We'd love to chat and see if you could be a great fit.

The Blend

This role will work as part of our Loyalty Division and is based out of our London office. We call our approach to hybrid working The Blend — it’s about giving you the flexibility to choose where you do your best work, while staying connected with your team and the wider business. This means you will be required to spend at least two days per week in the office, with the rest of the time working from home. You may also be required to work from one of our other office or partner locations, based on your role and 'to do' list.

Diversity and Inclusion

Our vision is to create a more rewarding world of travel and experiences. Delivering that requires diverse thinking and inclusive leadership.

We are committed to building a workplace where people feel they belong and are valued for their perspective. Inclusion drives better decisions, stronger performance and more innovative outcomes.

We actively encourage applications from people with different experiences and backgrounds, and are committed to ensuring our recruitment process is fair, inclusive and accessible.

Apply Now

Refine Your Search

senior application engineer jobs in iver, bkm

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