BT

Facilitating the Spread of Knowledge and Innovation in Professional Software Development

Write for InfoQ

Register Sign in

Unlock the full InfoQ experience

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources.

Log In

or

Don't have an InfoQ account?

Stay updated on topics and peers that matter to youReceive instant alerts on the latest insights and trends.
Quickly access free resources for continuous learningMinibooks, videos with transcripts, and training materials.
Save articles and read at anytimeBookmark articles to read whenever youre ready.

Logo - Back to homepage

News Articles Presentations Podcasts Guides

Topics

Development

Featured in Development

Stateful Continuation for AI Agents: Why Transport Layers Now Matter

Agent workflows make transport a first-order concern. Multi-turn, tool-heavy loops amplify overhead that is negligible in single-turn LLM use. Stateful continuation cuts overhead dramatically. Caching context server-side can reduce client-sent data by 80%+ and improve execution time by 15–29% .

All in development

Architecture & Design

Featured in Architecture & Design

Panel: Taking Architecture out of the Echo Chamber

Andrew Harmel-Law and a panel of expert architects discuss the shifting practice of architecture in 2025. They explain strategies for communicating technical debt to stakeholders, the benefits of decentralized decision-making through ADRs, and the career paths of modern leaders. The panel shares insights on bridging the gap between mobile and backend teams to ensure a holistic system.

All in architecture-design

AI Infrastructure

Featured in AI, ML & Data Engineering

Choosing Your AI Copilot: Maximizing Developer Productivity

Sepehr Khosravi discusses the current state of AI-assisted coding, moving beyond basic autocompletion to sophisticated agentic workflows. He explains the technical nuances of Cursor’s "Composer" and Claude Code’s research capabilities, providing tips for managing context windows and MCP integrations. He shares lessons from industry leaders on shrinking process time beyond just writing code.

All in ai-ml-data-eng

Culture & Methods

Featured in Culture & Methods

Local First – How To Build Software Which Still Works After the Acquihire

Alex Good discusses the fragility of modern cloud-dependent apps and shares a roadmap for "local-first" software. By leveraging a Git-like DAG structure and Automerge, he explains how to move from brittle client-server models to resilient systems where data lives on-device. He explores technical implementation, rich-text merging, and how this infrastructure simplifies engineering workflows.

All in culture-methods

DevOps

Featured in DevOps

Duolingo's Kubernetes Leap

Franka Passing discusses the architectural shift of Duolingo’s 500+ backend services to Kubernetes. She explains the move toward GitOps with Argo CD, the transition to IPv6-only pods, and the "cellular architecture" used to isolate environments. She shares "reports from the trenches" on managing developer trust, navigating AWS rate limits, and productionizing early adopter services.

All in devops

Events

Helpful links

Choose your language

Online InfoQ Architect Certification

Join Luca Mezzalira for this 5-week online cohort. Master socio-technical architecture leadership.

Register Now.

Learn how leading engineering teams run AI in production—reliably, securely, and at scale.

Early Bird ends April 14.

QCon San Francisco

Learn what's next in AI and software, from teams already doing it.

Early Bird ends April 14.

InfoQ Homepage Interviews BT's Chief WS Architect Paul Downey on "Loving the Web"

BT's Chief WS Architect Paul Downey on "Loving the Web"

15:04

Bio

Paul acts as Chief Web Services Architect for BT, defined the exposure of the BT Web21C services, chairs the W3C XML Schema Patterns for Databinding Working Group has participated in the W3C Web Services Addressing, W3C Web Services Description and WS-I Basic Profile Working Groups, and presented at the W3C Workshop on The Web of Services for Enterprise Computing.

About the conference

Oct 16, 2007

Interview with

Paul Downey

by

Stefan Tilkov

BT