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Speaking

I love teaching, sharing knowledge and speaking at conferences. Ping me on Twitter or via Email.

Upcoming Talks and Interviews in 2021

Location Date Conference
Hamburg October 28 - 29, 2021 code.talks Hamburg

BA: Swiftable in Buenos Aires

Pioneers 2019 in Vienna

dotSwift 2018 in Paris

try! Swift  in New York, USA

Ping @steipete on Twitter or reach out via email (steipete at gmail) if you organize a conference where you'd like me to speak. I direct the day-to-day work as CEO of PSPDFKit and also share knowledge on our company blog.

Topics 2021

Mobile at a Crossroads: The Declarative UI App Revolution

There’s a shift happening in how mobile apps are built—again. While a few years ago we moved from languages created in the 1980s and ʼ90s (think Objective-C and Java) toward more modern and expressive programming languages (Swift and Kotlin), we’re now seeing the transition from imperative to declarative UI frameworks in the form of SwiftUI and Jetpack Compose. This once again promises to dramatically increase developer productivity. To understand declarative UI’s present potential, it helps to start by exploring its not-too-distant past. Along the way, we’ll look at how it’s empowering developers to build apps faster with less code, and why now is the right time to consider adopting SwiftUI and Jetpack Compose.

This talk was first presented at WeAreDevelopers World Congress 2021 slides

SwiftUI In Production

With the 10.3 release of our iOS PDF SDK, we’re shipping SwiftUI in production. This is a big milestone for us, and an even more interesting one, as our product still supports iOS 12. In this talk I'll explain how we built this feature while also keep things working for iOS 12, and why we picked SwiftUI for it.

Feedback: "Wow, nice talk Peter! Thanks a lot for setting it up! The keyboard avoidance trick was really cool to see 🚀" @kkostov, @steipete Absolutely fantastic presentation on SwiftUI Peter! We also saw a lot of those SwiftUI 1.0 issues in the app we’re building at work, so it was really great to see it wasn’t just us! 🤣 Thanks so much for that!, After seeing @steipete talk this morning I feel less sad about the bugs in Mocka. Pure SwiftUI is hell 🤷, Amazing @steipete SwiftUI talk at @swiftheroes_it, what a chain of hacks are being shown. Mind = .blown, Congrats on your talk @steipete @swiftheroes_it. Thanks for sharing your experiences. Makes me we wanna pull the breaks on adopting SwiftUI a bit until we can drop iOS13 on our projects., that was a great talk, as usual from @steipete :), "Really enjoyed your talk @steipete some great tips on mixing UIKit and SwiftUI"

This talk has been made for Swift Heroes 2021. slides video A revised version of this talk has been presented at WeAreDevelopers Live 2021

Continuous Integration for the Rest of Us

Every project benefits from a good Continuous Integration & Delivery system. While there's countless articles on the latest Swift or SwiftUI tricks, there's surprisingly little talk about strategies around CI & CD. You will find case studies by industry giants like Shopify or Uber that talk about their solutions, however their CI/CD team in many cases is larger than some middle-sized companies.

At PSPDFKit, we don't have a separate team for CI/CD, our engineering team also owns testing and delivery. In this talk I'll give you an overview of the options today, and will explore what path we took for fast, automated testing in a multi-platform environment. We'll also talk about money, because running cost is an important topic for bootstrapped companies. Lastly, we'll look at options around configuration management tools to automate machine setups.

This talk was made for iOS Conf SG 2021. slides video

Feedback from Attendees via Zoom: "thank you. great talk." "Peter! I'm impressed by your optimism :)" "Super cool the script about removing default apps, adding that to my dot files!" "Honestly installing Xcode on just one machine does it for me!" "Thank you Peter, amazing talk 👏🏻👏🏻👏🏻"

Topics 2020

Building a PDF Viewer in 40 Minutes (aka Wrapping a Complex View Controller in SwiftUI)

Follow me along as I take the main view controller of PSPDFKit and wrap it into a SwiftUI view, add custom configuration properties, make methods on the view controller accessible via Combine publishers, use a Coordinator to wrap the delegate into modern closures and call pre-built popovers from a SwiftUI Navigation Bar. This will be a Xcode coding session where I explain the concepts as I'm building the component. We look at tradeoffs with iOS 13 vs iOS 14 compatibility, some tricks to work around bugs, SwiftUI lifetime, considerations for Combine cancellables and much more.

Feedback via Brella: Tim Oliver: Oh man. Damn that's impressive Peter!, Cristina De: Thank you very much Peter! 👏🏻👏🏻👏🏻👏🏻👏🏻, Moein Barzegaran: Thanks Peter!, Sammy Smallman: Thanks Peter, that was awesome!, Nissi Miranda: Very good! 😄, Fernando Bunn: Really awesome talk Peter.

This talk was hand-crafted and recorded for Swift Heroes Digital 2020. video

UI Testing over the years

UI testing has been around since iOS 4, but it never really caught on. I've asked various members of the iOS community about their experience and tips. Join me on a trip of different frameworks, strategies and tools to find a solution that fits your app. You will hear about KIF, EarlGrey, XCU and various open source projects to help you write better tests, to parallelize them or even to remind you to write tests. " Feedback via hopin.to: Daniel Steinberg: nice job @Peter Steinberger thanks, Alexander Lonsky thanks Peter!, Thomas Besnehard: 👏👏👏👏, Hugo Saynac: Congrats, great talk 👏, Heiko Goes: Thanks a lot Peter for this extensive overview, Seán Labastille (Organizer): 👏 👏 👏 👏, Shai Mishal: Great overview, thanks !, Vincent Pradeilles: Thank you!, Paris Buttfield-Addison: Fabulous talk, thanks!, Andrea Antonioni: Great talk!!, Andreas Hegenberg: 👍👍 very nice!, Eben Kok: That was awesome!, Alexander Weiß: Very interesting talk !, Martin Fitzka-Reichart: Great talk Peter!!, Matej Malesevic: thanks a lot 👏👏👏, "very informative talk about UI testing.", "When can I watch this over and over again please?"

This talk was hand-crafted and recorded for App Builders 2020. slides, video

Supporting Pointer Interactions in iPadOS 13.4

With the just released iPadOS 13.4, Apple added support for trackpad and mouse devices! Watch me life-coding support for pointer interactions into a large project (PSPDFKit, a PDF SDK) using Xcode 11.4 and Swift. You'll learn how the API works, how you can create bezier paths in-code (and what tools are there to help), and how to structure the handler in a way that is easy to read and extensive. We'll also discuss a few tricks and hacks how to make progress faster, how to make buttons react to events, and official and unofficual ways how to differentiate between finger touches and pointer taps.

This talk is based on my blog post https://pspdfkit.com/blog/2020/supporting-pointer-interactions/ but is much more hands-on and shows a few tricks we learned since then.

Feedback from Attendees: (Via ClickMeeting Platform) Tiago Mergulhão: OMG! SO COOL!, Christian Beer: One more thing! Thank you very much, Peter! That was really awesome!!, Akshat Patel: hahaha now THIS looks like real code, Stefan Steinbauer: Thanks for the ride, Nico du Plessis: Awesome session!, Liviu C: haha. nice tweak!, Mostafa: Thank you 👏, J.B.: *Good stuff, Peter, Mosbah: That was really cool thx !, Joao Pereira: great stuff! Thanks Peter & the organizers, Alexander: Peter, thank you very much! I'm always amazed at how you instantly manage to support new things, very grateful for doing pioneer work. By the way, besides this webinar and the aforementioned blog post by Peter I can highly recommend Apple's HIG article covering pointers in user interaction chapter and pretty decent sample code "Integrating Pointer Interactions into Your iPad App"., Gerry (WeAreDevelopers): Great session, thank you Peter!, Tamas Jaroli: Thank you Peter, this was amazing!, Eben: Pete that was epic!, Sead: Thanks Peter, it was awesome!

video

Contributing to PDFium (exclusive for PDF Days 2020 Berlin)

Learn how PSPDFKit builds on and improves world’s most popular PDF library.

Companies like Google, Microsoft, Opera, LG and Dropbox are working together to commoditize PDF render technology. The future is open source, fast and fuzzed/well-tested.

We walk you through the many powerful features of PDFium, where it can be used, and how you can contribute to the most used PDF library in the world.

Topics 2019

Shipping a Mac Catalyst app: The good, the bad and the ugly

PSPDFKit ported PDF Viewer, a project with over 2 MLOC and lots of UIKit code to the Mac via Catalyst. Having played with "Marzipan" in 2018, the team was able to port their huge app in a relative short timeframe. Learn what you have to do after checking the [X] Mac checkbox, how far Catalyst can be pushed, how it interacts with AppKit, and how to work around the worst bugs. We'll show real code, a selection of r̵a̵d̵a̵r̵ Feedback Assistant items, strategies to keep code branching low, and some design alterations that were necessary to make it feel more at home on the Mac." (video, slides)

Feedback from Attendees: "Just learned a whole lot about the real life process for PSPDFKit to ship with Catalyst! Awesome talk by the one and only @steipete !", "Peter @steipete is talking about not great and yet not terrible experience of shipping a Catalyst app 🚀", "“SwiftUI is the Austin Powers of frameworks: cool, if you like to live dangerously.” – @steipete at @mobiconf", "Can’t wait to see what great things @steipete has to say about this year’s Xcode GM releases 😜", "The excellent @steipete is sharing his experience porting the PsPdfKit app to Catalyst. So many holes he had to polyfill... Exceptional work! ", "@steipete sharing the @PSPDFKit adventures on shipping a Catalyst app. Good stuff! #frenchkit", "@steipete giving us a great talk on Catalyst @frenchkitconf #FrenchKit ", "Amazing talk from @steipete showing us we just have to check a box to run our iPadOS app on macOS!", "Catalyst without cataclysm", "What was great about ⁦‪@steipete‬⁩ talk at ⁦‪@frenchkitconf‬⁩ ? You learn about technical stuff and you got a new movie to watch. Amazing talk btw !", "Thanks for sharing! Awesome talk, very interesting and funny :)", "@steipete talk about macOS catalyst at #BASwiftable was mindblowing. Thanks!", "💪🏻 @steipete @baswiftable #swiftable"

How We Work at PSPDFKit

I explain our approach to SDK design, long-term product evolvement, feature/proposal development and support. This talk is interesting to developers and product planners alike. (slides, blog post)

Should You Seek VC Money?

We discussed the up- and downsides of taking VC money vs boostrapping a business. Many thanks to Natalie, Marcus, Anna for being great panel partners, the whole Pioneers team for being incredibly well organized and Florian for the tough audience question that later lead to an episode in his “Gründer&Zünder” podcast. Pioneers 2019 Photos (c) Emil Chalhoub for Pioneers

Topics 2018

Hacking Marzipan

I will show the hacks currently needed to try Apple's new iOSMac platform, codenamed "Marzipan", and walk through what I needed to do to get PDF Viewer to run on macOS Mojave. Learn about the history, the current status, the timeline, and how to port your app today. See preview research tweet

Early version of this talk given at mDevCamp 2018, one week after the release of Marzipan.

Talk completely re-imagined at try! Swift New York, Sept 5, 2018. Slides Video

Feedback from Attendees: "Marizpandemic is coming.", "Awesome talk – really educational and entertaining 👏", "excellent black magic", "Having my mind blown (again)", "I can’t wait for Marzipan so I can get away with never having to learn AppKit!", "words to live by", "Having fun with Marzipan", "Crash once return 0, crash twice return it with 1 ... 😂😂😂", "educational and entertaining, well done 👍", "I would have liked to be there for this one!"

Building Personal Brands for Introverts

Having a successful online identity will open many doors and help you to become a better developer, and person as a whole. I've been working on my professional persona since 2009, and it helped me so tremendously and pushed me forward into places I didn't think I could ever go.

This is the keynote talk for UIKonf for Day 2. slides | video

Feedback from Attendees: "highly recommended", "really awesome", "FANTASTIC talk, funny slides, nice pace", "Absolutely inspiring. One of the most important skills in our field.", "Brilliant, powerful, warm, full of empathy", "very inspiring, motivational... feeling energized"

Bootstrapping - The Long Road to Success

As part of the Founder & Investor Talks at Vienna University of Technology of 2018 I'll talk about my road from a freelancer to CEO of a succssful, growing international company with a deliberate choice of not taking VC money. This talk is about upsides/downsides and many lessions learned, the hard transition from "builder" to "manager", about teaming up with other people, building a team, core values, and strategies how to make a product work that sells B2B.

I gave a variation of this talk as interview about Entrepreneurship at App Builders 2018 in Lugano. Watch here.

A quick summary video from my talk at the Vienna University of Technology from the i²c Founder & Investor Talk series

Feedback from Attendees: "Beautiful, eyes opening argument, funny stories", "Loved it! Detailed personal developer stories like this one are what make these conferences so interesting", "Inspiring tech entrepreneurship story", "Super interesting", "FANTASTIC talk, lots of wisdom and funny anecdotes"

Smart Debugging - Heavy Weapons for Hard Bugs

Debugging can be exciting, but often also very, very frustrating. We explore some lesser-known tools and techniques to find problems faster and make the Compiler mark issues, before they become a crash for the user. The second part is a case study of a particularily interesting bug hunts where I use some unconventional ways to find and resolve the issue.

slides video

Feedback from Attendees: "really great structured overview", "great talk",

Strategies for Binary Frameworks in Swift

Binary frameworks? Without ABI? In Swift? What’s the deal with Swift Modules? In his talk, Peter discusses binary frameworks and stability, when and why ABI matters, and why his team writes in Objective-C. Learn more about what you can do right now, what other companies are doing, common pitfalls, and the future.

slides | blog post | video and transcript

Swift Weekly Shoutout, Most Interesting Videos of dotSwift

Topics 2017

Building a Sustainable Codebase: 7 Years and Counting

Peter will discuss strategies how code can be written in a way where you can both 'ship it' and have a sustainable product that allows you to move fast and where new people don't run away screaming. At least most of the time :)

The talk is based on lessons learned while building PSPDFKit for iOS since 2010, yet most parts will be applicable to any language and team.

video @ App Builders Switzerland 2017

Effective Remote Communication

How to Run a Distributed Company. (video | slides)

Past Talks

2021

Location Date Conference
Singapore (Remote) Jan 20-21 2021 iOS Conf SG slides video
Remote April 16 2021 Swift Heroes Digital 2021
Remote April 29, 2021 WeAreDevelopers Live – iOS Developer Day
Remote May 27th, 2021 mDevMeet 2021
Remote June 28 - July 1st WeAreDevelopers World Congress 2021

2020

Location Date Conference
Paris, France April 2 Swift Paris Online #2
New York, US April X Spotify Engineering Conference (Cancelled, COVID-19)
Remote April 15 WeAreDevelopers Live
Berlin, Germany April 27-29 PDF Days Europe (Cancelled COVID-19)
Lugano, Switzerland May 11-12 App Builders (Remote, COVID-19) (video)
Aveiro, Portugal June 25th - 26th SwiftAveiro (Cancelled COVID-19)
Brazil Nov 5-6 2020 NSBrazil (Cancelled COVID-19)
Remote Oct 1-2 2020 Swift Heroes Digital 2020 (video)

2019

Location Date Conference
Karlsruhe, Germany Dec 3-4 heise MacDev 2019
Buenos Aires, Argentina Nov 28-29 Swiftable
Berlin, Germany Nov 12-13 {codemotion} Berlin (Cancelled)
Paris, France Oct 8-9 FrenchKit (video slides)
Kraków, Poland Oct 3-4 Mobiconf 2019
San Jose, California June 4 AltConf (Talk about CI Infra) (video)
Vienna, Austria May 8-10 Pioneers'19
Budapest, Hungary April 12 iOS Conf Budapest [Cancelled]
Vienna, Austria Feb 21 Apple Store Vienna Talked about How We Work at PSPDFKit
Porto, Portugal Feb 4 CocoaHeads Porto Talked about How We Work at PSPDFKit

2018

Location Date Conference
New York, US Sept 4-5, 2018 try! Swift - Hacking Marzipan (slides video)
Vienna, AT July 12, 2018 Cocoaheads Vienna, Talk about Marzipan
Prague, CZ June 15, 2018 mDevCamp, 2 Talks: iOS part of the Keynote + Highlights of WWDC 2018 & Hacking Marzipan
San Jose, US June 4-8, 2018 WWDC 2018 (No talk, but let's meet up!)
Berlin, DE May 14-16, 2018 PDF Developer Days
Berlin, DE May 13-16, 2018 UIKonf - Building Personal Brands for Introverts (slides video)
Vienna, AT April 25, 2018 Founder & Investor Talks at Vienna University of Technology (event)
Lugano, CH April 16-17, 2018 App Builders Switzerland 2018 (video)
Atlanta, US March 12-14, 2018 Teki Con🍍 (slides)
Paris, FR January 29, 2018 dotSwift 2018 (slides, blog post, video)

2017 and Earlier

Location Date Conference
Logroño, Spain Sept 13-15, 2017 NSSpain (Video on Vimeo)
Berlin, Germany May 27, 2017 STICKS & STONES
Vienna, Austria May 11-12, 2017 WeAreDevelopers (video)
Budapest, Hungary April 25-28, 2017 CRAFT Conf (Video on UStream)
Lausanne, Switzerland April 24, 2017 App Builders (Video on YouTube)

Between 2013-2016 I've given talks at following conferences: (list incomplete, PRs welcome!)

https://vimeopro.com/steipete/conference-talks-peter-steinberger

Video Recordings for some of my talks can be found at my Vimeo.

Bio

Peter founded and bootstrapped PSPDFKit in 2011 and since then grew the company to 50 employees, with the goal of providing the highest quality PDF framework for all platforms. He stepped down as CEO in late 2019 and moved to a research role to focus on new products and technologies. His latest mission was becoming an expert in Apple's SwiftUI. Peter has worked with iOS since the inception of the iPhone, and is regularly invited to speak at conferences around the world. He also organizes Cocoaheads, a meetup for developers that work with Apple platforms. Prior to PSPDFKit, he worked as a Senior iOS Engineer at a startup in San Francisco and taught iOS and Mac development at his alma mater, the Vienna University of Technology.

Slides

Many of my past talks are on SpeakerDeck

Avatar

dotSwift 2018 in Paris

My avatar image is in this repo.

Pictures

More Pictures see the pitures folder in this repo.

App Builders 2018 in Lugano, Switzerland

FrenchKit in Paris, France

Podcasts

Articles

Credits

Credits go to Felix Krause for the idea to post this here - thanks!