London Scala User Group

🎉 Come along to the London Scala Talks! 🎉
In this event you'll hear from Jacob Wang and Jack Higgs.

Agenda
6:00pm - 🥤 Doors open. Come along and grab a drink!
6:40pm - 🗣️ Jacob Wang: A comprehensive tour of error handling in Scala
7:20pm - 🍕 Intermission: Join us for some free food and drinks! Vegan, vegetarian and gluten-free options are provided. Let us know if you'd like something special - we'd be happy to accommodate.
7:50pm - 🗣️ Jack Higgs: Starship Enterprise: Functional Programming at Huge Companies
8:30pm - 🥤 Socialising: Grab a drink and let's discuss the talks.
9:00pm - 🍻 Join us in a pub to discuss the talks!

🌐 This event may have a live stream
Watch this space for more details.

🗣️ Jacob Wang: A comprehensive tour of error handling in Scala
Errors are part of life - But how best to work with them in our code?
In this talk, I'll take you on a tour of various typed error handling approaches within the Scala ecosystem,
as well introduce a new one for cats/cats-effect ecosystem!

⭐ Jacob Wang ⭐
Jacob has been writing Scala for close to 10 years. He enjoys creating programs that mostly
behave, as well as sharing this joy via open source & teaching.

🗣️ Jack Higgs: Starship Enterprise: Functional Programming at Huge Companies
Practicing functional programming inside a Fortune 100 enterprise can feel like flying the Starship Enterprise through asteroid fields of legacy code and bureaucracy. This talk shares hard-earned lessons from the Information Engineering team at JPMorganChase, which runs a production Scala codebase powering a novel metadata platform. We'll explore the political, cultural, and technical friction of pushing functional programming in a Java and Python dominated environment. We'll introduce the domain we work in, the techniques that have worked (and those that haven't), the compromises we've made, and why - despite it all - we still think it's worth it. If you've never tried to run cats-effect in a place where Spring Boot is king, add this talk to your battle log.

⭐ Jack Higgs ⭐
Jack Higgs is a technologist with fifteen years of experience in investment banking, including the past decade at JPMorganChase. He leads teams building metadata platforms using Scala and functional programming techniques. Over the past six years, Jack has worked at the intersection of software engineering, data architecture, and large-scale enterprise systems. Passionate about type safety, functional design, and making abstract ideas practical, he thrives on applying elegant code in messy real-world environments.
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