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Software Engineering Practitioner
Posting Date: 14 Aug 2025
Function: Software Engineering
Unit: Digital
Location: Snowhill, Birmingham, United Kingdom
The Software Engineering Practitioner plays a key role in delivering features that directly improve the conversion rate optimisation (CRO) of the BT Business Broadband website, turning more visitors into customers. You’ll work closely with our CRO specialists, who run targeted experiments and identify winning tests, and you will be responsible for implementing those winning changes into our core codebase so they go live for all customers.
This role is primarily focused on frontend feature delivery in our modern React-based stack, with opportunities to expand into broader business-as-usual (BAU) development once you’ve mastered the codebase. You’ll gain hands-on exposure to CRO experimentation tools such as Adobe Target, collaborating across teams to deliver well-defined, measurable customer experience improvements that align with BT’s commercial goals.
What you’ll be doing
* Implement successful CRO experiments from Adobe Target into the BT Business Broadband production codebase.
* Collaborate with CRO specialists to understand winning tests, DOM manipulations, and associated markup/components.
* Deliver features in our established frontend technology stack (React 18+, TypeScript, Redux Toolkit).
* Write clean, maintainable, and testable code following agreed standards and patterns.
* Work with designers, analysts, and other engineers to ensure new features meet accessibility, performance, and brand guidelines.
* Participate in code reviews, knowledge sharing, and agile ceremonies.
* Gain exposure to AEM Headless CMS as part of delivering BAU features alongside CRO work.
* Collaborate with backend developers and other teams to integrate frontend changes with existing APIs and services.
Experience you'll have
* Experience working in an agile software development team.
* Experience with CSS and the DOM.
* Understanding of state management patterns (e.g., Redux).
* Strong collaboration skills; comfortable working across multiple teams and disciplines.
* Experience writing unit/integration tests using Jest and React Testing Library.
* Experience with Git-based workflows and modern build tools.
* Exposure to multiple programming languages or paradigms over your career, showing adaptability and willingness to learn.
* Experience building and maintaining component-based UIs using a design system.
* Experience translating experimental CRO changes into production-ready features.
* Experience with AWS or other cloud platforms.
* Awareness of CRO experimentation tools such as Adobe Target.
* Understanding of web performance considerations and responsive design principles.
* Understanding of AEM Headless or similar CMS systems.
The skills you’ll need
* Agile Development
* Database Design/Development
* APIs/Web Service Integration
* Programming/Scripting
* Microservices/Service Oriented Architecture
* IT Security
* Cloud Computing
* Artificial Intelligence/Machine Learning
* Software Testing
* Application Development
* Algorithm Design
* Software Development Lifecycle
* Decision Making
* Growth Mindset
Benefits include:
* An annual on-target bonus of 10% (personal and company multipliers).
* BT Pension scheme: minimum 5% employee contribution, BT contribution 10%.
* Exclusive colleague discounts on BT broadband packages.
* 50% off EE mobile pay monthly or SIM-only plans, and a 50% discount for friends and family on EE plans.
* Discounted EE TV, including TNT Sport and the NOW Entertainment membership.
* Support for working parents, including paid leave options.
* 25 days' annual leave (excluding bank holidays), increasing with service.
* Volunteering days to give back to the community.
* Electric vehicle salary sacrifice scheme called ‘My EV’.
Our values and culture
Leading inclusively and safely: We build trust through self-awareness, honesty, and integrity.
Owning outcomes: We make decisions that benefit the organization.
Delivering for the customer: We execute brilliantly on priorities that add value.
Being commercially savvy: We focus on external perspectives in decision-making.
Looking to the future: We experiment and seek growth opportunities.
Building for the future: We create diverse, future-ready teams.
About us
BT Group is a pioneer in telecommunications, committed to transforming connectivity and customer experience through investments in digital infrastructure, 5G, AI, and more. We value diversity and inclusion, encouraging applications from all backgrounds, even if your experience doesn't match every qualification listed. We support flexible working arrangements and provide reasonable adjustments during the recruitment process.
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