
LDX3 London video hub
All the videos from our London events
LDX3 London 2025 videos
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Levelling up: Transitioning successfully into a manager of managers role
The talk I wish I’d found when I became a manager of managers. Tips and insights to prepare you for the road ahead.
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In partnership with Eppo
From 0 to 10,000 experiments
Transform your team into a learning engine with experimentation, feature flags, and safer, insight-driven deployments at scale.
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Don’t drop the baton, or how a team that communicates well collaborates well
Effective team communication shapes company culture at all levels. In this talk, we’ll explore habits, principles, and frameworks to foster healthy communication patterns.
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Creating the next generation of Senior Engineers
An introduction to the science of teaching – pedagogy – how it applies to leadership and techniques to grow our teams in the era of doing more with less.
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In partnership with Softwire
The five stages of workplace culture
Discover the five key stages that built Softwire’s award-winning culture and motivated top engineering talent.
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From code to commerce: Engineering’s role in driving business growth
Learn how engineering leadership drives business success by linking technical excellence to measurable outcomes, fostering commercial awareness, and optimizing performance at scale.
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Building the AI enablement playbook
Learn how to lead AI adoption by reshaping systems, culture, and operations, not just rolling out tools.
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Don’t get toasted: A leader’s guide to mental well-being
Real tools for managers’ mental well-being – from stress management to parenting wisdom – because leading teams shouldn’t mean burning out.
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In partnership with DX
Better software faster
How the Core 4 framework helps teams measure and communicate productivity gains while balancing delivery pressure.
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How to keep everyone happy (on a shoestring)?
As engineering managers, we’re often caught between cost cuts, tight deadlines, and team well-being. This talk shares real strategies for making tough trade-offs, prioritizing what matters, and keeping everyone engaged.
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Beyond the headlines: Engineering leadership in 2025
We asked 1,000+ engineering leaders how their roles are changing in response to a rapidly changing economic and technological landscape. This talk will give you a sneak peek into the results of our Engineering Leadership report 2025.
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Rethinking collaboration: LLMs, teams, and cognitive load
Discover how LLMs can reduce cognitive load, boost team collaboration, and reshape engineering workflows without compromising quality or delivery.
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How to delete everything: The clean-slate approach to technical strategy
Learn how clean-slate thinking can break technical deadlocks, improve system resilience, and inspire actionable strategies for complex engineering challenges.
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Rethinking growing engineers in the age of AI
Explore how to grow future senior engineers in an AI-driven world that sidelines traditional junior roles.
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Give everyone a challenge – Leadership growth in stable times
Learn how to grow engineering leaders through impact-focused challenges, not headcount, even in low-growth environments.
Videos from previous years of LeadDev London
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Beyond the hype: Practical steps to establishing and scaling your data & ML team
Discover how to build and scale a data team, implement practical machine learning, and drive success with data-driven decision-making in a growing company.
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What do you mean there’s no onboarding plan for engineering managers?
In this talk, Daniel will share his four-week onboarding process for engineering leads that emphasizes peopleware, tech leadership, and delivery management.
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Mentorship + Sponsorship
To grow our technical leadership skills, it’s critical to lean on one’s network of support.
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If you’re not part of the solution, you’re part of the problem
Do you feel like you’re constantly surrounded by managers who exhibit toxic behaviours and “shred their team’s confidence” (actual quote)? Diverse and inclusive policies may not be enough to stop these individuals from causing harm.
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Managing engineering teams in the era of AI
Drawing from my experience as Engineering Manager at incident.io, where I was part of a product team that built the company’s first AI-powered features, this talk combines personal insights and broader leadership strategies.
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How to set goals with people who don’t want to set goals
Setting goals does not come easy to everyone.
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The software bug all stars – and what we can learn from them
Join me for a thought-provoking and entertaining presentation where I’ll take you on a journey through some of the biggest and most impactful bugs in software history, including the example of an interplanetary probe launched by NASA that was lost due to a software bug. This will not only show the importance of attention to detail but also highlight the significance of proper testing and quality assurance.
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Managing the marathon: Leading teams through lengthy migration projects
In this short talk, Lawrence will reflect on his experience leading teams through multi-year migration projects.
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Uncertainty of Change
In this talk, I will take you through uncertainty and its impact on our lives by looking at case studies from the cotton mill workers of 19th Century Britain to the fall of Nokia as the world’s No. 1 phone maker and how change connects them both. Then, I will explore how the uncertainty of change can sometimes cause us to ignore, deny, distort, or even try to stop it from happening instead of working with it.
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The Boss’s Shoes Don’t Fit: And Other Surprises of Leadership
Ever fantasized about wearing your manager’s shoes and calling all the shots?
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The Post Office Scandal: what we can learn from its process and human failures
The story of the Post Office scandal not only serves as a warning about tech failure, but also as a reminder of the real-world significance of the software we build.
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Iterate to Greatness: Building High Performance, AI-native Engineering Teams
In this talk, we’ll discuss how Vercel transitioned to an AI-native company and how you too can operate highly effective, AI-native product engineering teams, from the tools used to the way to stay organised amid the rapidly changing pace of AI.
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Making smart investments: A framework for maximizing your ROI in technical decisions
In this talk, we’re going to explore a framework for evaluating the return on investment (ROI) of complex tech decisions, illustrated with real-world examples that highlight both the traps to avoid and the paths to success. I’ll share methods for pinpointing key metrics that matter, and how to design experiments or proof-of-concepts to measure ROI. Finally we will discuss the importance of staying objective and adaptable throughout the process.
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Data Science Demystified
This talk gives an overview of Data Science and delves deep into the pipeline data scientists use – right from fetching the data, the Python tools and frameworks used to creating models, gaining insights and telling a story.
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Measure for Change
Picking metrics is one thing. But the harder decisions lie in what to do with them afterward.
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Delivery metrics – the good, the bad and the utterly ridiculous
As an engineering team lead, I spent countless hours pouring over data points, spreadsheets, and graphs in search of the perfect set of metrics to measure our team’s success.
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How to use technology radars to make transparent tech decisions
The talk centres around the benefits of building such a tool, such as transparency, alignment and faster onboarding.
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Managing across timezones; A retrospective
In 2020, Cloudflare moved from being an in office company to 100% remote. This changed the way we work completely.
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From overload to oasis: Creating more time for the cool stuff
Tired of being overloaded with monotonous tasks? Craving more time for the ‘cool stuff’? You’re not alone.
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Tech debt as innovation, reframing this forever problem as an opportunity
Tech Debt is a natural by-product of software engineering, yet we, in the software industry, don’t attack it with the same excitement or fervor as we do with product innovation or feature development.
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Build great engineering teams and have a positive social impact
On the back of working in the tech industry developing great products in highly competitive markets, how can we make society better? Germán and Seraphine will share the story of skills and talent meeting diversity and social impact.
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Revolutionizing engineer growth: the tech-powered blueprint for careers clarity at ASOS
As engineering leaders, it’s our job to make the folks in our team the most effective that they can be and to grow them to their full potential.
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The LeadDev Engineering Management Report 2024
Over the last two years, the tech industry has been going through big changes.
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How do you deliver a feature on the biggest stage in the world?
In this talk, media server engineer Josh McNamee discusses the challenges in shipping Disguise’s ‘Single Large Canvas’, the software feature that lets U2 put images on the inside of the Las Vegas Sphere.