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The Software Architects' Newsletter
September 2025
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Welcome to the InfoQ Software Architects' Newsletter! We bring you essential news and experience on emerging patterns and technologies from industry peers each month.

This month, we focus on "Architecting for Complexity: Sociotechnical Systems at Scale". Technologies, patterns, and practices from this topic span the entire "diffusion of innovation" graph in our InfoQ Trends Reports 2024 eMag, InfoQ Software Architecture and Design Trends Report 2025 (and accompanying podcast), and InfoQ Culture and Methods Trends Report 2025 (and accompanying podcast).

This newsletter will focus on architectural patterns that support alignment across distributed teams, how to balance autonomy with consistency, and the role of systems thinking in shaping resilient, adaptive organizations. Whether you’re tackling platform sprawl, orchestrating multiple microservices teams, or introducing AI-driven workflows, understanding the human dimension of architecture is key to building systems that scale sustainably.

We're also excited to announce a new online certification program, facilitated by Luca Mezzalira, designed to help senior architects master strategic influence. You can find more details on this below.

News

Scaling Systems, Companies, and Careers

Suhail Patel joins Thomas Betts for a discussion about growing yourself as your company grows. When he started at Monzo, Patel was one of four engineers on the then-new platform team. There are now over one hundred people. The conversation covers how to thrive when the company and the systems you’re building are going through significant growth.

In a related podcast, Shane Hastie spoke to Shannon Mason about optimizing team productivity by understanding the neuroscience behind cognitive load, distinguishing between beneficial "slack time" and detrimental "idle time", and how the pursuit of maximum utilization can lead to burnout and poor decision-making.

How Sociotechnical Design Can Improve Architectural Decision

Sociotechnical design in software development emphasizes creating systems where people and technology thrive by fostering collaboration, emergent coherence, and shared understanding through enabling constraints. This design leads not only to improved architecture but also to more effective, adaptive, and fulfilling work. At the OOP Conference, Xin Yao gave a talk about sociotechnical design and change facilitation.

Open Practices for Architecture and AI Adoption

The Cloud Native Summit recently released videos from its 2025 conference in Auckland. The sessions included several talks highlighting how organizations can turn collaboration patterns into outcomes with the Open Practice Library, a curated collection of patterns that help teams through collaborative practices.

Andrea Magnorsky presented her Byte-Sized Architecture approach for building a shared understanding of architecture. At the same time, Ahilan Ponnusamy and Andreas Grabner, co-authors of Technology Operating Models for Cloud and Edge, discussed applying library practices to drive successful enterprise AI adoption.

Secure by Design: Building Security into Engineering Workflows and Teams

In this QCon London talk recording, Stefania Chaplin explains how to integrate security into engineering workflows and teams using a "Secure by Design" approach. Drawing on her extensive experience, she shares practical strategies for a security-first culture by focusing on people, processes, and technology, including the use of security champions and automation to improve resilience and reduce costs.

Thinking Like an Architect

Gregor Hohpe explains the role of a modern architect as an "IQ booster" for the organization. He discusses how to master communication and decision-making by riding the "Architect Elevator" to connect with all levels. He shares practical strategies for using metaphors, models, and understanding resistance to drive alignment and build resilient systems.

Navigating modern architecture: The InfoQ Certified Architect Program

For many senior engineers and architects, the true challenge often isn't just technical.

Career-defining moments frequently occur in leadership meetings, where justifying long-term investments or building consensus for a technical vision is paramount.

This challenge of translating deep technical knowledge into strategic influence is what our new online InfoQ Certified Architect Program aims to address.

This five-week, live online cohort, led by Principal Solutions Architect Luca Mezzalira, offers a hands-on experience starting October 13, 2025. It's designed to equip participants with the leadership skills needed to move beyond pure technical design and effectively drive business decisions.

Participants will join a small, confidential peer group to apply frameworks from game-changing QCon talks directly to their own real-world challenges. The intensive five-week schedule covers critical topics such as:

  • Decentralized decisions
  • Platform development
  • Enabling AI
  • Integration of AI in architecture

After completing the program, participants will earn the InfoQ Certified Software Architect in Emerging Technologies (ICSAET) credential, a valuable validation of their expertise in strategic leadership and emerging technologies.

Learn more and enroll in the InfoQ Certified Architect Program.

Case Study

The Virtual Think Tank: Using LLMs to Get a Multitude of Perspectives

Since ChatGPT and other LLMs have taken the world by storm, Avraham Poupko has been reading, speculating, writing, and talking about how the LLMs might change the way we design software. We all know that LLMs are changing the world of software development dramatically.

Developers are increasingly using LLMs when creating software, leveraging more intelligent and more innovative tools. The growth in that area is likely to continue. Meanwhile, the use of popular resources such as Stack Overflow is dropping as developers are no longer searching for communities or examples; instead, they are just asking the LLMs to write the code. Many of these LLMs, such as GitHub Copilot, are embedded directly into IDEs.

To a large extent, the code being created is syntactically and functionally correct, often clear, and conforms to accepted standards. However, there are other aspects to software development beyond coding, such as design and architecture. We know that architecture is often the art of trade-offs. As such, when it comes to architecture decisions, there is no one correct answer; instead, a multitude of possible answers needs to be considered, and choices (often tough ones) must be made. Considering these trade-offs, arriving at the right decision is often considered to be the hard part of building software.

To explore how LLMs can be applied to architecture and design, Poupko has been experimenting with the concept of a "Virtual Think Tank". The complete article describes what a Virtual Think Tank is, and how to make use of it, along with an example that highlights some interesting results observed.

This content is an excerpt from a recent InfoQ article by Avraham Poupko, "The Virtual Think Tank: Using LLMs to Get a Multitude of Perspectives".

To get notifications when InfoQ publishes content on these topics, follow "Architecture & Design", "Culture and Methods", and "Sociotechnical Architecture" on InfoQ.

Missed a newsletter? You can find all of the previous issues on InfoQ.

Sponsored

Principles and Patterns for Distributed Application Architecture (By O’Reilly) - Sponsored by Akka

The rise of agentic AI is raising new demands on modern systems, requiring architectures that can adapt, scale, and recover under uncertainty. This guide explores proven principles and patterns for distributed applications across cloud, multi-cloud, and edge environments. Learn how to apply event sourcing, CQRS, and state partitioning to handle elasticity, latency, and async processing—building resilient, event-first systems ready for the next generation of AI-driven workloads.

Download the eBook “Principles and Patterns for Distributed Application Architecture (By O'Reilly) sponsored by Akka

About InfoQ

Senior software developers rely on the InfoQ community to keep ahead of the adoption curve. One of the main reasons software architects and engineers tell us they keep coming back to InfoQ is because they trust the information provided and selected by their peers.

We’ve been helping software development teams adopt new technologies and practices for over 19 years through InfoQ articles, news items, podcasts, tech talks, trends reports, and QCon software development conferences.

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