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BT Group • GBR London - BT Tower

Software Engineer Specialist

Employment type:  Full time
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Job Description

Working Style: 3 days a week in office, 2 days from home

About the role

The role is for a Specialist Software Engineer working on a life critical platform across the UK and Republic of Ireland. You will be working across multiple applications and services, primarily focussed on development of the call handling applications used by the emergency call handlers.

The main focus will be software development work, implementing new functionality, resolving defects, and producing documentation for the code. You will also contribute to the architecture and development of the future emergency call handling workstation for the UK.

In addition to development work, you will provide additional assistance to support teams, investigating faults when required, creating and managing tickets via fault reporting platforms and Jira.

What you’ll be doing

  • May have cross-component or system accountability for larger or more complex projects, e.g. those with more interconnectedness or employing new technologies/products.
  • Providing technical quality assurance for work of other engineers; resolving inter-system issues.
  • coaching and Mentoring software engineers including peers.
  • Decide the best course of action during an urgent or complex situation for problems with solutions developed within their team/s.
  • Solve issues that may be related to vendor code, not just 'owned code.'
  • Solve problems that tend to be of a high impact on the customer. These are typically technical issues preventing timely delivery.
  • Create, lead, and implement significant technical solutions that could impact internally and/or externally.
  • Ensure the integrated solution across multiple components is coherent and meets the end-to-end needs of the customer as well as operability, security, and other key non-functional requirements.

Essential Skills / Experience

  • Experience in developing life critical telephony applications
  • C++/C#/CLR/Python programming languages
  • Software Design and Implementation
  • Creating Maintainable Code
  • Software Re-use and Frameworks
  • Database Concepts
  • Full Programming Language knowledge
  • Software Build and Deployment
  • Software Development Concepts
  • System Debugging and Troubleshooting
  • System Environment Expertise
  • Testing Concepts
  • Commercial and Risk Awareness
  • Design Review and Assurance
  • Non-Functional Design Concepts
  • Have a strong team working ethic
  • Have strong customer / supplier relationship management skills

Desirable Skills / Experience

  • Prism WPF experience
  • Big Data for Software Engineers Bronze ALP
  • Software Engineering Bronze ALP
  • Software Design & Development Silver ALP

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
  • Equalized 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.
Ready to connect for good and help shape the future? Apply now

BT Group is the UK’s leading communications group and the holding company behind some of the country’s most recognised brands – including BT, EE, Openreach and Plusnet. Our purpose is as simple as it is ambitious: we connect for good. Our customers include consumers, small, medium and large businesses, public sector organisations and other communications providers.

BT Group’s role is about setting direction, unlocking value and creating the conditions for our brands and businesses to thrive.

Having come through the most capital-intensive phase of our fibre investment, our focus now is on what comes next – simplifying how we operate, using technology and AI to work smarter, and organising ourselves to serve customers better and grow sustainably. Group teams shape strategy, policy, brand, capital allocation and transformation, helping the whole organisation perform at its best.

We have a singular culture that unites all our people: we are customer-first challengers, who are committed, clear and connected. These behaviours unite us as one team to deliver for our colleagues, our customers, our stakeholders and the country. Joining BT Group means working at the heart of a business that matters to the UK, with the opportunity to shape decisions, influence outcomes and help set the future course of one of the country’s most important companies.

Apply now

Company benefits

25 (UK, increasing with service) / 21 (India) days annual leave + bank holidays
Adoption leave – 18 weeks full pay, 8 weeks half pay, 6 months statutory
Bank holiday swaps
Buy or sell annual leave – buy up to 5 days/year pro rata
Carer’s leave – Two weeks paid leave
Cinema discounts
Coaching
Compassionate leave
Complimentary Medical Services
Cycle to work scheme
Employee assistance programme
Employee discounts
Enhanced maternity leave – 18 weeks full pay, 8 weeks half pay, 6 months statutory
Enhanced paternity leave – 18 weeks full pay, 8 weeks half pay, 6 months statutory
Enhanced pension match/contribution
Enhanced sick pay – 3 months
Faith rooms
In house training
L&D budget – sponsored accreditation available for certain professions
Learning platform – internal and external learning content via Degreed
Learning license – unlimited access
Lunch and learns
Mental health platform access – Silvercloud
Mentoring
Neonatal leave
Open to job sharing
Open to part time work for some roles
Optional unpaid leave
Private GP service – 24/7 virtual GP access for UK colleagues
Referral bonus
Returnship
Salary sacrifice
Share options
Shared parental leave
Travel loan
Volunteer days – 3 volunteer days per year
Reservist leave
Fertility treatment leave
Pregnancy loss leave
Pregnancy support
Fertility treatment leave
Pregnancy loss leave
Pregnancy support
On-site catering
On-site barista
On-site shower
Modern office
Collaboration spaces
Private booths
On-site wellness room
Open to part-time employees
Open to compressed hours

Working at BT Group

Company employees:

100,000 across BT Group (24,000 at BT Business)

Gender diversity (m:f):

74.3:25.7 (BT Group)

Hiring in countries

Brazil

Hungary

India

Spain

United Kingdom

Office Locations

Awards & Accreditations

2nd - Best Workplace Culture

2nd - Best Workplace Culture

Flexa awards 2026
3rd – Most loved - Large companies

3rd – Most loved - Large companies

Flexa awards 2026
Most Family Friendly Company

Top 10 - Most Family Friendly Company

Flexa awards 2025
Best Career Progression

Top 10 - Best Career Progression

Flexa awards 2025

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