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TalkTalk Tech Stack

Telecom operator scaling data and product capabilities for customer retention

Telecommunications Salford, England 201–500 employees Privately Held
talktalk.co.uk LinkedIn

TalkTalk operates a multi-service telecom platform (broadband, mobile, TV, telephony) with 201–500 employees based in Salford. The tech stack is heavily Azure/Databricks-native (Python, PySpark, MLflow, Unity Catalog, Azure DevOps) — a mature data platform architecture. Active hiring is concentrated in data (5 roles) and product (2 roles) at senior and lead levels, with projects focused on churn reduction, predictive personalization, and lifetime-value optimization, directly addressing stated pain points around retention and scaling model deployment.

Tech Stack 26 technologies

Core StackDatabricks Python MLflow Terraform Azure DevOps Unity Catalog Azure AD Scala PySpark Apache Spark Confluence Jira Figma Power BI AWS Azure Azure Entra ID Application Insights Azure Monitor AWS PrivateLink ProductBoard GCP Microsoft Entra

What TalkTalk Is Building

◆Challenges

  • Increasing demand for data science solutions
  • Reducing churn
  • Supplier reconciliation and dispute resolution
  • P&l control frameworks
  • Compliance with data governance regulations
  • Scaling model deployment
  • Increasing loyalty
  • Maximising customer lifetime value
  • Increasing arpu
  • Improving retention

▲Active Projects

  • Digital product change analysis and experimentation rollouts
  • Proactive predictive personalised digital journeys
  • Digital retention at scale
  • Retention, loyalty, cross-sell and upsell initiatives
  • Base management strategy and roadmap
  • Base squad sprint planning

Hiring Activity

Accelerating7 roles · 3 in 30d

Department

Data
5
Product
2

Seniority

Senior
3
Lead
2
Manager
1
Mid
1
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About TalkTalk

TalkTalk is a UK-based telecommunications company delivering broadband, mobile, TV, and telephony services to residential and business customers. The organization has undergone a strategic rebranding and cultural shift toward customer-centricity and flexibility in the workplace. On the technology side, the company is investing heavily in data infrastructure and product capabilities, with active initiatives spanning digital experimentation, retention at scale, and loyalty programs. The team structure reflects this priority: most open headcount is in data science and product, with particular focus on senior and leadership-level hiring.

HeadquartersSalford, England
Company Size201–500 employees
Hiring MarketsUnited Kingdom

Frequently Asked Questions

What tech stack does TalkTalk use?

TalkTalk's primary stack is Databricks, Azure (including DevOps, AD, Entra ID, Monitor), Python, PySpark, MLflow, Terraform, and Unity Catalog, supplemented by Jira, Confluence, ProductBoard, and Figma for collaboration and product management.

What is TalkTalk working on?

Primary initiatives include digital product experimentation, predictive personalization, churn reduction, and retention/loyalty/cross-sell programs, all aimed at maximizing customer lifetime value and reducing ARPU decline.

How this profile is built

TalkTalk's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.