Software Engineer

BT plc; United States; On-site; USD 119,000 - 159,000; Full time

Benefits offered by this job

25 days annual leave (UK)

World-class training and development

On-site working across multiple UK loc

Job summary

BT plc is recruiting a Software Engineer for its Security division. This role requires holding the DV Security Clearance and being on-site at UK locations (Cheltenham, Ipswich, London, Manchester).

You’ll design and develop software across frontend, backend and cloud-native stacks to protect critical systems. You will work with customers and engineers to solve complex problems, shape architecture and contribute to a secure, scalable platform.

Qualifications

• Experience in software development, testing and DevOps practices.
• Familiarity with Jira and Confluence for collaboration.
• Experience with Git-based version control (GitHub, GitLab or Bitbucket).
• Experience working in Agile software development teams.
• Experience with test and infrastructure automation frameworks.

Responsibilities

• Develop resilient, well-tested software across frontend and backend.
• Participate in code reviews to maintain quality standards.
• Contribute to CI/CD improvements for faster software delivery.
• Build and maintain scalable, secure software systems.

Skills

Software development

Software testing

DevOps

Jira

Confluence

Git workflows

Agile

Automation

Tools

Jira

Confluence

GitHub

GitLab

Bitbucket

Kubernetes

Job description

Job Description

Job Title: Software Engineer

Req ID: 64553

Job Function: Security

Posting Start Date: 12/11/2026

Division: UK Business

Job Location: GBR Cheltenham - Project Offic, GBR Ipswich ATE, GBR London - 5 Canada Square, GBR Manchester - Dial House

Advertised Salary: Competitive DV market aligned salaries

About the role

If you enjoy solving difficult technical problems and building software that has real-world impact, we'd love to hear from you.

We're growing our engineering teams and recruiting Software Developers at all experience levels to help tackle some of the most interesting challenges in cyber security. Whether you're designing intuitive user interfaces, developing cloud-native applications, building scalable backend services, processing large volumes of data, or working close to the operating system, you'll be creating technology that protects critical systems and makes a genuine difference.

You’ll work closely with customers, stakeholders and experienced engineers to turn complex problems into elegant solutions, while helping shape the technology, architecture and direction of our products. Along the way, you’ll have opportunities to learn new skills, deepen your expertise, and grow your career in a collaborative environment that values curiosity, innovation and continuous learning.

Note: To apply for this role you must already hold the relevant DV Security Clearance. This job role can be based in Ipswich, London or Manchester. Due to security requirements, this role requires you to be located on site during your working hours. Mon-Fri 37.5.

What you’ll be doing

Above all, we're looking for engineers who are naturally curious, enjoy solving difficult problems, and are excited by the opportunity to work across multiple areas of software engineering. You don't need to tick every box. If you're passionate about technology, enjoy learning, and have experience in some of the technologies or disciplines we've described, we encourage you to apply. We're interested in people with strong fundamentals, an appetite for solving challenging problems, and the ambition to continually develop their skills. If you're equally excited by the prospect of building a polished user interface, designing backend services, analysing system performance, working with cloud-native platforms, or exploring how software works under the hood, you'll fit right in.

Examples of what we expect from our developers include

• Software development
• Develop resilient, well tested code
• Perform code reviews & work with team members to ensure code quality standards are met
• Keep up to date with the latest best practices
• Frontend Development
• Create powerful, flexible user interfaces for a technical user base
• Engage with end users to understand their needs and design user interfaces
• Backend Development
• 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

Essential Skills / Experience

• Software Development, Programming or Scripting
• Software Testing and Dev Ops
• Using collaboration tools like Jira and Confluence
• Source code management using Git-based platforms such as GitHub, GitLab or Bitbucket
• Experience working within Agile software development teams
• Experience of test and infrastructure automation using associated frameworks

Desirable Skills / Experience

• Mobile Development
• Reverse engineering
• Vulnerability research
• Software security
• Distributed and resilient data processing systems
• High-performance computing
• Operating systems and software internals
• Designing accessible, efficient and intuitive user interfaces
• Automation and platform engineering
• Containerisation and cloud-native technologies

Programming Languages

• C, C++
• C# or Java
• JavaScript / TypeScript
• Objective-C
• Python
• Scala

Platforms & Operating Systems

• Linux
• Windows
• macOS, iOS
• Kubernetes

Our Package

• A structured Technical Progression Pathway to recognise and reward appropriate technical people.
• Competitive DV market aligned salaries
• Tiered role based DV allowance
• World-class training and development opportunities
• 10% on target bonus
• Equal family leave: receive 18 weeks at full pay, 8 weeks at half pay and 26 weeks at the statutory rate. It’s for all parents, no matter how your family is made up.
• Enhanced women’s health support: including help with menopause symptoms, cancer screenings, period care and more.
• BT Pension scheme, minimum 5% Employee contribution, BT contribution 10%
• New BT Better Workplace working environments at strategic locations across the UK
• Huge range of flexible benefits including an EV salary sacrifice, cycle to work, healthcare, season ticket loan, additional annual leave
• On-call allowance (Depending on role requirements)
• Access to 100’s of retail discounts including the BT shop
• 24/7 private virtual GP appointments for UK colleagues
• Option to join BT Shares Saving schemes
• 25 days annual leave (not including bank holidays), increasing with service
• 2 weeks paid carer’s leave
• Discounted broadband, mobile and TV packages
• Enhanced life assurance of up to ten times base salary