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# Security Engineer II - Application Security

- **Company:** Tesco PLC
- **Location:** Welwyn Garden City, UK
- **Salary:** £41,600.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), DevOps, Python (Programming Language), Software Engineering, Software Security, Free and Open-Source Software, Microservices
- **Published:** May 19, 2026
- **Apply:** https://www.totaljobs.com/job/engineer-application-security/tesco-plc-job107338987

## About the Role

* Proficient in one of the following programming languages: Python, JavaScript, Java
 * Experience of deploying security tooling into a DevOps environment
 * Deep understanding of application security (Web, API, Mobile)
 * An understanding of microservices and container orchestration

## Description

An exciting opportunity to join a leading company and play an influential part in their continued dedication to Application Security. At Tesco, the application security team's strategy is to provide security tooling that fits seamlessly into software engineering teams ways of working, helping them find and deal with security problems early within the software development process before it reaches production. In this role you will be responsible for helping to identify appropriate toolsets that fit with the application security team's strategy, provide comprehensive guidance that allow engineering teams to effectively self-serve with our toolsets and help manage and maintain the chosen solutions.
You will be responsible for

 * Help identify security toolsets that effectively uncover security issues in open source software and first party code
 * Provide domain expertise on all areas of security and privacy throughout the Software Development lifecycle
 * Work in-line with agile practices i.e. scrum
 * Be able to identify gaps in software engineering practices and recommend appropriate streamlined security solutions
 * Ability to deliver training on core application security products to both security and engineering teams
 * Write comprehensive guidance for the selected security tooling
 * Provide technical support for our products


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