

Tech Lead Journal
Henry Suryawirawan
Great technical leadership requires more than just great coding skills. It requires a variety of other skills that are not well-defined, and they are not something that we can fully learn in any school or book. Hear from experienced technical leaders sharing their journey and philosophy for building great technical teams and achieving technical excellence. Find out what makes them great and how to apply those lessons to your work and team.
Episodes
Mentioned books

Aug 2, 2021 • 47min
#49 - Visualizing Your Value Stream With Kanban - Dimitar Karaivanov
“Kanban is a flow strategy that helps you to optimize the flow of value through your value streams from ideation to customer."
Dimitar Karaivanov is a Lean-thinker, a Kanban practitioner, and the CEO and co-founder of Kanbanize. In this episode, Dimitar shared his story on how he got fascinated by the simplicity and the effectiveness of Kanban, which then led him to start Kanbanize. He shared in-depth the concept of Kanban and why Kanban becomes one of the most popular Lean practices. Dimitar then shared about the principles, practices, and anti-patterns behind Kanban, as well as tips on how companies can improve their Kanban practices, including dealing with external dependencies.
Listen out for:
Career Journey - [00:05:06]
Kanbanize Story - [00:07:05]
Kanban - [00:10:25]
Why Kanban Becomes Popular - [00:12:24]
Kanban Principles - [00:14:53]
Visualize the Workflow - [00:20:23]
Limit Work in Progress - [00:23:11]
Manage Flow - [00:28:26]
Make Process Policies Explicit - [00:30:49]
Feedback Loops and Improve Collaboratively - [00:31:43]
Kanban Metrics - [00:33:52]
Kanban Anti-patterns - [00:36:17]
Handling External Dependencies - [00:40:39]
Tips to Improve Your Kanban Practice - [00:42:01]
3 Tech Lead Wisdom - [00:43:40]
_____
Dimitar’s Bio
Dimitar Karaivanov is a Lean-thinker and a Kanban practitioner with a solid background in the areas of software development and process improvement. Dimitar is also a keynote speaker and the author of ‘Lean Software Development with Kanban’. His expertise was gained through more than 15 years of career development at companies like Johnson Controls, SAP, and Software AG.
Dimitar has envisioned and brought to life the idea of Kanbanize aimed at solving problems in the way companies manage big initiatives spread across multiple teams. Through the success of his company, he has proven that Kanban can be used not just for change management, but also for product development. He is passionate about achieving extreme performance at scale and applying Lean / Kanban outside IT, and is an active member, supporter and promoter of initiatives within these communities.
Follow Dimitar:
LinkedIn – https://www.linkedin.com/in/dimitar-karaivanov
Twitter – https://twitter.com/dimitar_hk
Kanbanize – https://kanbanize.com/
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Jul 26, 2021 • 59min
#48 - Communicate to Become a Happy & Productive Engineer - Chris Laffra
“A lot of engineers are unhappy and a lot of that has to do with not being able to control their environment, or even articulate what they want to have changed in the environment. By becoming a better communicator, you will also become happier."
Chris Laffra is an experienced and talented software engineer having worked in companies such as IBM, Google, and Uber. His wide variety of experiences ensures Chris understands what motivates engineers, what stresses them out, and how to help them get the most out of themselves. In this episode, Chris shared some insights from his book “Communication for Engineers” about why communication is such an important skill for engineers and how they should learn to improve it to become more impactful engineers. Chris also shared great insights and tips on how to deal with engineers’ typical sources of unhappiness–impostor syndrome, stress, and burnout–in order to become successful, productive, and happy engineers.
Listen out for:
Career Journey - [00:04:53]
“Communication for Engineers” Book - [00:06:37]
Why Engineers Have Difficulty Communicating - [00:09:51]
Importance of Communication for Engineers - [00:13:18]
Communication for Performance Review and Promotion - [00:21:54]
How to Become More Impactful Engineers - [00:30:58]
Impostor Syndrome - [00:42:01]
How to Deal with Impostor Syndrome - [00:45:18]
Handling Burnout - [00:53:58]
3 Tech Lead Wisdom - [00:56:40]
_____
Chris Laffra’s Bio
Chris Laffra is an experienced software engineer with a strong drive to help other engineers grow. Chris has been a manager, tech lead, technical lead manager, advisor, mentor, and staff software engineer with companies such as IBM, Morgan Stanley, Bank of America, Google, Uber, Plato, and Sourcegraph. This wide variety of experiences ensures Chris understands what motivates engineers, what stresses them out, and how to help them get the most out of themselves. Through decades of personal experience, Chris has analyzed and summarized the topic of software development into numerous blogs, presentations, and books. The summit of his work is his book Communication for Engineers and the accompanying interactive course.
Follow Chris:
Website – https://chrislaffra.com/
LinkedIn – https://www.linkedin.com/in/chrislaffra/
Twitter – https://twitter.com/laffra
GitHub – https://github.com/laffra
Medium – https://laffra.medium.com/
“Communication for Engineers” book – https://amzn.to/3eP9FH0
Chris’s episode notes – https://chrislaffra.com/TLJ/
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Jul 19, 2021 • 52min
#47 - Micro-Frontends and the Socio-Technical Aspect - Luca Mezzalira
“Micro-frontends are representations of business subdomains. We should differentiate them from components, because components are solving technical problems. Micro-frontends are looking from the product side on how you can create value in isolation for your users."
Luca Mezzalira is a Principal Architect at AWS, an expert on micro-frontends, and the author of the upcoming “Building Micro-Frontends” book. In this episode, Luca described the concept of micro-frontends in-depth, along with the where and when companies should apply this concept for building the frontends. Luca also shared about the principles behind micro-frontends, why it is important to be technology agnostic, and how to design the CI/CD pipelines. Luca also mentioned some of the common pitfalls and anti-patterns that we should avoid when using micro-frontends, as well as sharing his tips on how organisations can start adopting micro-frontends in their architecture.
Listen out for:
Career Journey - [00:04:41]
Micro-Frontends - [00:11:11]
Where to Apply Micro-Frontends - [00:14:18]
Team Structure - [00:16:08]
When to Consider Micro-Frontends - [00:18:34]
Examples of Apps Using Micro-Frontends - [00:23:01]
Micro-Frontends Principles - [00:24:33]
Technology Agnostic Micro-Frontends - [00:27:21]
Application Shell Concept - [00:30:19]
Micro-Frontends CI/CD - [00:33:42]
Micro-Frontends Anti-Patterns - [00:36:22]
Starting with Micro-Frontends Tips - [00:40:43]
“Building Micro-Frontends” Book - [00:43:30]
3 Tech Lead Wisdom - [00:46:54]
_____
Luca Mezzalira’s Bio
Working in the industry since 2004, Luca have lent his expertise predominantly in the field of solution architecture. After helping DAZN becoming a global streaming platform in just 5 years, Luca is now working as a Principal Architect at AWS, helping customers in the media and entertainment space to deliver cost-effective and scalable cloud solutions. He has gained accolades for revolutionising the scalability of frontend acrhitectures with micro-frontends, from increasing the efficiency of workflows to delivering quality in products. Known as an excellent communicator who believes in using an interactive approach for understanding and solving problems of varied scopes, Luca often shares with the community the best practices to develop cloud-native architectures to solve technical and organisational challenges.
Follow Luca:
Twitter – https://twitter.com/lucamezzalira
LinkedIn – https://www.linkedin.com/in/lucamezzalira
Website – https://lucamezzalira.com/
“Building Micro-Frontends” book – https://www.buildingmicrofrontends.com/
Micro-Frontends Tips – https://buildingmfe.com/
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Jul 12, 2021 • 51min
#46 - Business Agility - Evan Leybourn
“Business agility is a set of organizational capabilities, behaviors, and ways of working that afford your business the freedom, flexibility, and resilience to achieve its purpose, no matter what the future brings."
Evan Leybourn is the founder and CEO of Business Agility Institute. In this episode, Evan shared about the current maturity of agile adoption and how agile has matured over the years by looking at 3 different agility categories, including business agility. Evan then explained further what business agility means, and his interesting story of why he started the Business Agility Institute. He then explained in-depth the concept of business agility domains, a model comprising 12 different interacting domains across four dimensions centred around the customer. We then discussed his theory of agile constraints and Evan shared his insights on why he thinks Agile and DevOps transformations are currently hitting diminishing returns and how we should address it by continuously finding the constraint to solve. Evan also touched on and shared about the recent Business Agility Institute research finding on why many agile organizations unconsciously fail to embed and support Diversity, Equality, and Inclusion (DEI) within the organizations.
Listen out for:
Career Journey - [00:04:56]
Current Maturity of Agile Adoption - [00:09:24]
Business Agility - [00:16:57]
Business Agility Institute - [00:21:15]
Agile & DEI - [00:27:45]
Business Agility Domains - [00:30:59]
Theory of Agile Constraints - [00:40:28]
3 Tech Lead Wisdom - [00:46:45]
_____
Evan Leybourn’s Bio
Evan is the Founder and CEO of the Business Agility Institute; an international membership body to both champion and support next-generation organisations: Companies that are agile, innovative and dynamic - perfectly designed to thrive in today’s unpredictable markets. As well as leading the Business Agility Institute, Evan is also the author of Directing the Agile Organisation (2012) and #noprojects: A Culture of Continuous Value (2018).
Follow Evan:
Website – https://businessagility.institute/
LinkedIn – https://www.linkedin.com/in/evanleybourn/
Twitter – https://twitter.com/eleybourn
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Jul 5, 2021 • 50min
#45 - The Future of Digital Healthcare - Dr. Yong Chern Chet
“A lot of us in clinical practice always thought of technology as a tool. Today, technology has become not just a “what”, but it’s become a “how”. That means how you practice medicine can be enabled through technology itself."
Dr. Yong Chern Chet is the founding COO of a Southeast Asian region early stage digital health start-up headquartered in Singapore with a simple mission of enabling “Better Healthcare for All”. In this episode, Dr. Chet shared about the current challenges in healthcare and how technology can be used to overcome those challenges. He then shared about his 5C model that outlines the areas where technology can play a part in the digital healthcare, as well as the various technologies and adoption drivers that enable the future of digital healthcare.
Listen out for:
Career Journey - [00:03:54]
Current Challenges in Healthcare - [00:13:14]
Solving Healthcare Challenges - [00:16:52]
Digital Healthcare 5Cs- [00:26:15]
Digital Healthcare Technologies - [00:32:05]
Digital Healthcare Adoption - [00:42:11]
3 Tech Lead Wisdom - [00:47:12]
_____
Dr. Yong Chern Chet’s Bio
Dr. Yong Chern Chet (Chet) is the founding Chief Operating Officer with a Southeast Asian region early stage digital health start-up headquartered in Singapore offering key healthcare services such as 24/7 direct access to doctor teleconsultation services, an ePharmacy platform and health & wellness content.
Prior to this, Dr. Chet held various senior management roles leading innovation and digital transformation from within the healthcare industry and beyond. His corporate innovation achievements have been acknowledged via awards like the Enterprise Innovation Award at the 24th Asia IoT Business Platform for the use of Big Data and Machine Learning technology to enhance business operations and IDC’s Asia Pacific Digital Transformation Awards (DXa) 2018 under the Operation Model Master category for Thailand.
Early career experience included time in management consulting as the Healthcare Industries Sector Leader and a Director with the Risk Consulting Practice for Deloitte Southeast Asia. Dr. Yong is a qualified medical doctor trained in the field of surgery and orthopaedics.
Follow Dr. Chet:
LinkedIn – https://www.linkedin.com/in/chetyong
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Jun 28, 2021 • 52min
#44 - Team Topologies - Manuel Pais
“Practices and principles are necessary and useful, but they should be informed by what the constraints are in the first place. We need to acknowledge the constraints, and then build and decide on practices and principles based on that."
Manuel Pais is the co-author of “Team Topologies” and a DevOps thought leader, focusing on team interactions, delivery practices, and accelerating flow. In this episode, Manuel shared great insights from his book “Team Topologies”, starting from highlighting some constraints that organizations typically face, such as Conway’s Law and cognitive load. Manuel then explained the 4 fundamental team topologies and how they are addressing those constraints. Manuel also shared about the Team API concept as well the 3 core interaction modes, which inform how teams should interact with each other in order to improve the overall flow within the business. Finally, Manuel shared some advice on how leaders can start implementing these ideas within their organizations.
Listen out for:
Career Journey - [00:04:47]
Team Topologies - [00:07:00]
Challenges with Organization Chart - [00:08:58]
Measuring Flow - [00:11:54]
Conway’s Law - [00:14:57]
How to Use Conway’s Law - [00:18:10]
Breaking Monolith into Microservices - [00:21:15]
Cognitive Load - [00:23:57]
4 Fundamental Team Topologies - [00:27:33]
Team API - [00:34:55]
3 Interaction Modes - [00:37:57]
Advice to Align with Team Topologies - [00:42:41]
3 Tech Lead Wisdom - [00:48:13]
_____
Manuel Pais’s Bio
Manuel Pais is the co-author of “Team Topologies: organizing business and technology teams for fast flow”. Recognized by TechBeacon as a DevOps thought leader, Manuel is an independent IT organizational consultant and trainer, focused on team interactions, delivery practices and accelerating flow. Manuel is also a LinkedIn instructor on Continuous Delivery.
Follow Manuel:
Twitter – https://twitter.com/manupaisable
LinkedIn – https://www.linkedin.com/in/manuelpais/
Team Topologies – https://teamtopologies.com/
Team Topologies Academy – https://academy.teamtopologies.com/
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Jun 21, 2021 • 58min
#43 - The SPACE of Developer Productivity and New Future of Work - Dr. Jenna Butler
“Hybrid work is here to stay. It is going to continue. But we want to make sure that it comes in a way that’s equitable and everyone gets to experience the benefits of it."
Dr. Jenna Butler is a Visiting Research Fellow at Microsoft Research in the Productivity and Intelligence Team. She is also an adjunct Professor at Bellevue College in radiation therapy. In this episode, Dr. Jenna shared about the SPACE of developer productivity framework and how developer teams can use the 5 dimensions to measure and increase productivity. Dr. Jenna also shared about the New Future of Work research by Microsoft, especially on the impact of working from home on people and their well-being. Towards the end, Dr. Jenna also mentioned some predictions of the new future of work post COVID-19, that includes some of the upcoming and exciting tools and the potential societal impact of this new work environment.
Listen out for:
Career Journey - [00:04:54]
SPACE of Developer Productivity - [00:10:06]
S = Satisfaction and Well-being - [00:13:48]
P = Performance - [00:17:45]
A = Activity - [00:19:53]
C = Communication and Collaboration - [00:21:50]
E = Efficiency and Flow - [00:27:11]
New Future of Work - [00:31:26]
Emotional Aspect of WFH - [00:35:52]
Remote Work Meetings - [00:40:00]
Impact of WFH to Well-being - [00:44:52]
The New Future of Work Predictions - [00:49:08]
3 Tech Lead Wisdom - [00:53:17]
_____
Dr. Jenna’s Bio
Dr. Jenna Butler is a Senior Software Engineer who is currently doing a Research Fellowship with Microsoft Research in the Productivity and Intelligence Team. She received her PhD in Computer Science from Western University in Canada in 2015. Her work examined cancer simulation using cellular automata with a focus on the hallmarks of cancer and combination therapy. She has always been interested in interdisciplinary studies and the intersection of different fields such as biology and computer science, social science, technology. Currently, she is focusing on developer productivity, specifically on the human element in software engineering. She is interested in individual and team well-being, decision making within an organization, relationships between engineering disciplines, and diversity in engineering organizations.
Follow Dr. Jenna:
LinkedIn – https://www.linkedin.com/in/dr-jenna-butler-44209a3b/
Website – https://www.microsoft.com/en-us/research/people/jennbu/
Researchgate – https://www.researchgate.net/profile/Jenna-Butler-6
Email – jennbu@microsoft.com
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Jun 14, 2021 • 53min
#42 - Chaos Engineering - Mikołaj Pawlikowski
“Chaos engineering is the discipline of experimenting on the system in order to increase your confidence that the system will survive difficult conditions."
Mikołaj Pawlikowski is an engineering lead at Bloomberg and the author of “Chaos Engineering: Site reliability through controlled disruption“. In this episode, Miko shared about what chaos engineering is, including clarifications on some of the common misconceptions. Miko also mentioned about the chaos engineering tools, steps and prerequisites to do chaos engineering, and the skill set required of a chaos engineer, and how we should explain the rationale and motivation behind chaos engineering to get the management buy-in. Towards the end, Miko also shared about chaos engineering for people; an interesting excerpt taken from his book, and his mission over the last few years to make chaos engineering boring.
Listen out for:
Career Journey - [00:04:26]
Chaos Engineering - [00:05:15]
“Chaos“ in Chaos Engineering - [00:08:37]
Getting Management Buy-in - [00:13:08]
Running in Production - [00:18:29]
Other Common Misconceptions - [00:20:53]
4 Steps to Chaos Engineering - [00:25:41]
Skill Set of a Chaos Engineer - [00:28:11]
Examples of Chaos Engineering Tools - [00:32:09]
Chaos Engineering for People - [00:37:48]
Make Chaos Engineering Boring - [00:42:08]
3 Tech Lead Wisdom - [00:46:12]
_____
Mikołaj Pawlikowski’s Bio
Mikołaj Pawlikowski is an engineering lead at Bloomberg. He’s the author of “Chaos Engineering: Site reliability through controlled disruption”, a frequent speaker, and the maintainer of Goldpinger and PowerfuSeal open source projects.
Follow Mikołaj:
LinkedIn – https://www.linkedin.com/in/mikolajpawlikowski/
Twitter – https://twitter.com/mikopawlikowski
Github – https://github.com/seeker89/chaos-engineering-book
“Chaos Engineering“ book – https://www.manning.com/books/chaos-engineering
Chaos Engineering Newsletter – https://chaosengineering.news/
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Jun 7, 2021 • 59min
#41 - Building a Cybersecurity Career & Pandemic Security Gaps - Tony Jarvis
“Back when work from home became suddenly virtually overnight, it was all about enabling the business to continue. A lot of this move was rushed out of necessity, but the focus was on speed. The focus was not on security. And security took a backseat."
Tony Jarvis is a CISO advisor and cybersecurity strategist who has advised Fortune 500 clients across the world and served as a thought leader within the industry. In this episode, Tony shared about the importance of network and Operating System knowledge in cybersecurity, the awareness of and attitude towards cybersecurity in enterprises, as well as the security gaps arising from the pandemic. Tony also shared his career journey, including his mid-career crisis, as well as some tips and wisdom for those who are interested in cybersecurity.
Listen out for:
Career Journey - [00:04:24]
Networking and OS Knowledge Importance - [00:10:04]
Getting Started in Cybersecurity - [00:15:24]
Mitigating Cybersecurity Risks - [00:20:04]
Executive Awareness About Cybersecurity - [00:24:09]
Some Cybersecurity Tips - [00:29:24]
Security Gaps Due to Pandemic - [00:32:22]
Interesting Cybersecurity Case - [00:38:32]
Tony’s Mid-Career Crisis - [00:43:30]
Out-of-Comfort Zone Career Principle - [00:49:13]
3 Tech Lead Wisdom - [00:53:47]
_____
Tony Jarvis’s Bio
Tony is passionate about educating audiences on the risks posed by modern cyber threats and advises business leaders as they undertake major cybersecurity transformation projects and initiatives. Having held a variety of leadership and advisory roles with recognisable brands such as Citrix, Check Point, FireEye, Standard Chartered Bank and Telstra, he has developed an acute understanding of how to successfully deliver cybersecurity engagements which strategically align with business objectives. He blends hands-on technical experience with a unique ability to distill complex ideas into language that resonates with all stakeholders, recognising that security is best addressed holistically, from the C-suite to frontline workers.
Follow Tony:
LinkedIn – https://www.linkedin.com/in/tony-jarvis/
Twitter – https://twitter.com/TonyJamesJarvis
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May 24, 2021 • 50min
#40 - Data-Driven DevOps With Launchable - Kohsuke Kawaguchi
“By and large, the way people put together the delivery process is by gut and instinct. The next step up from there is to use the data that comes out of your system to help you make the right decisions. When I say data-driven DevOps, don’t rely on this human experience, and let the system tell you. We should be able to find that kind of information from data."
Kohsuke Kawaguchi is widely known as the creator of Jenkins and currently is the co-CEO & co-founder of Launchable. In this episode, Kohsuke shared about data-driven DevOps, developers productivity, the future of software testing, and why he created Launchable to help us move closer to achieve those. And in the beginning of the episode, Kohsuke shared his story on how he created Hudson during his time at Sun Microsystems, which eventually led to become Jenkins, the most popular open-source CI/CD tool used by millions.
Listen out for:
Career Journey - [00:05:24]
Hudson/Jenkins Story - [00:07:30]
Current CI/CD Landscape - [00:12:18]
Developer Productivity - [00:15:04]
Improving Our Productivity - [00:17:06]
Launchable - [00:21:06]
Launchable Customer Story - [00:33:54]
Future of Software Testing - [00:37:13]
Data-Driven DevOps - [00:40:41]
Running Launchable - [00:44:09]
3 Tech Lead Wisdom - [00:45:14]
_____
Kohsuke Kawaguchi’s Bio
Kohsuke is the co-CEO & co-founder of Launchable. He is passionate about developer productivity. He created Jenkins, the most popular open-source CI/CD system used by millions. As CTO of CloudBees, he helped CloudBees go from <10 to 400+.
Kohsuke has received the O’Reilly Open-source Award, JavaOne Rockstar, Japan OSS Contributor Award, and Rakuten Technology Award.
Follow Kohsuke:
Website – https://kohsuke.org/
Twitter – https://twitter.com/kohsukekawa
LinkedIn – https://www.linkedin.com/in/kohsukekawaguchi/
Launchable – https://www.launchableinc.com/
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