Software engineering specialist

Due to the sensitive nature of this role, you will be required to undergo DV (Developed Vetting) level Security Clearance (https://www.gov.uk/government/publications/united-kingdom-security-vetting-clearance-levels/national-security-vetting-clearance-levels). An allowance of £5k per annum may be payable monthly while you hold this DV and continue to work in a role that requires that level of security clearance. The terms of this allowance will be made available if you are successful in being recruited into this role.

Security isn’t always the first thing that comes to mind when you think of BT, but when it comes to keeping everyone safely connected, We Are The Protectors. We deal with thousands of cyber‑attacks every day, so that millions of people can safely go about their daily lives and run their businesses. We deliver vital work at scale, with real breadth and impact. We connect for good.

You’ll be joining a specialist security team that is a trusted partner to governments worldwide, protecting critical national infrastructure and committed to the safety and security of our nation and global communities. Our mission focused work is innovative, inspiring and technologically challenging in a way that makes every day different and stimulating. We provide the opportunity to work on rare projects, with exciting tools and brilliant people. Everyone has access to unparalleled professional and personal development opportunities and your contribution is always valued.

Why this job matters

We are looking for an experienced software engineer to join a new multi-disciplined engineering building tools to solve cyber‑security problems. We are currently looking for a frontend developer with deep expertise in developing powerful user interfaces using JavaScript, TypeScript, React. You will use CI/CD pipelines and be familiar with applications hosted on Kubernetes. You’ll have experience building resilient systems with metrics and monitoring build throughout the application.

What you’ll be doing

User Interface

• Create powerful, flexible user interfaces for a technical user base
• Engage with end users to understand their needs and design user interfaces

Software Development

• Develop resilient, well tested code
• Perform code reviews & work with junior team members to ensure code quality standards are met
• Keep up to date with the latest best practices & influence technology choices and decisions

Platform Stability and Reliability

• Ensure the platform meets performance, availability, and reliability SLAs
• Proactively identify and resolve performance bottlenecks and risks in production environments.
• Maintain and improve monitoring, logging, and alerting frameworks to detect and prevent incidents.

Automation and Efficiency

• Build and maintain tools to automate routine tasks, such as deployments, scaling, and failover.
• Contribute to CI/CD pipeline improvements for faster and more reliable software delivery.

Team

• Identify and contribute to the improvement of inefficient ways of working
• Actively contribute and engage in knowledge sharing activities
• Engage with and support users of the Platform

Essential Skills

• Experience developer in one or more of the following: JavaScript, Typescript, Ruby
• Used frameworks such as: React, NodeJS
• Well versed in unit and system testing tools, code linters
• Performed detailed code reviews and fed back changes
• Build and deployed Docker containers
• Kubernetes application development (Deploying applications, optimising application resilience & troubleshooting deployments)
• Manage work stack using trackers (eg Jira)
• Document system design decisions
• Scripting using Bash or Python

Desirable Skills

• Familiar with the Elastic stack technologies and Kibana plugin development
• Have used DevOps tools and principles like Git, Jenkins, GitOps
• Used system monitoring tools such as CheckMK, Prometheus, Grafana or Loki

Our Package

Tailored benefits make a real difference. That’s why we offer a comprehensive range to support your growth, wellbeing, and everyday life. You can design the package to suit you and your lifestyle. Your core benefits include:

• 10% on target annual bonus
• Access to an online private GP 24/7 for you and your immediate family
• Market-leading paid carers leave with up to 2 weeks off
• Equalised maternity, paternity, and adoption leave – 18 weeks’ full pay and 8 weeks’ half pay
• Discounted EE and BT products, including mobile and broadband
• Market leading Pension scheme – 5% from you and 10% from us
• Holiday purchase scheme

You can select additional benefits, including healthcare, dental, gym memberships and more when you’re ready.