Speaking
Speaker Bio
Elena van Engelen-Maslova is a freelance Kotlin and cloud-native consultant, published author of Kotlin Crash Course (BPB Publications), and AWS Community Builder. She speaks at international conferences including KotlinConf, Voxxed Days, InfoQ Dev Summit, and AWS Community Day NL, delivering practical sessions on Kotlin, serverless architecture, and clean architecture patterns across AWS and Azure. Elena brings live coding, real-world examples, and actionable takeaways to every talk.
Feel free to copy and adapt this bio for your event materials.
Talk Topics & Formats
Elena delivers talks in multiple formats to suit your event’s needs:
- Keynote — High-level vision talks on Kotlin adoption, serverless architecture, and cloud-native engineering
- Conference Session — Deep-dive technical sessions with live coding on clean architecture, serverless patterns, and Kotlin best practices
- Workshop — Hands-on, half-day or full-day workshops where attendees build real systems with Kotlin on AWS or Azure
- Live Coding Demo — Interactive sessions where the audience follows along as Elena builds and deploys working serverless applications in real time
Current & Recent Topics
Have a topic in mind? Elena is open to tailoring talks to your event’s theme.
What You Get
When you book Elena for your event, your audience gets:
- Practical, real-world content — No slides-only theory. Every talk is grounded in production experience from enterprise clients like PostNL, Bol.com, KPN, and AZL (NN Group).
- Live coding & live demos — Elena codes on stage, building and deploying working applications so attendees see concepts in action.
- Actionable takeaways — Attendees leave with patterns and techniques they can apply to their own projects immediately.
- Proven audience engagement — Her Voxxed Days Amsterdam 2025 talk was among the top 4 most-viewed YouTube sessions from that conference, and she has spoken to audiences at KotlinConf, InfoQ Dev Summit, J-Spring and more.
Availability
Elena is available for both paid and unpaid speaking engagements at select conferences and meetups. She is based in the Netherlands and speaks at events worldwide. Also available for podcast guest appearances on Kotlin, serverless, AI, and cloud-native topics.
Upcoming Talks
- AWS Community Day NL (September 23, 2026) — two sessions:
- AI-Powered API Mocking with MockNest Serverless: An AWS 10,000 AIdeas Winner
- Beyond the Demo: Testing Production AI Applications on AWS
Past Talks (Recorded)
-
J-Spring (June 4, 2026) — Room 4, 11:35
Clean Architecture for Serverless: Business Logic You Can Take Anywhere -
InfoQ Dev Summit Munich 2025 (October 15–16, 2025):
Clean Architecture for Serverless: Business Logic You Can Take Anywhere -
ING Kotlin Summit (June 19, 2025):
7 ± 2 Kotlin Features That Can Work For or Against You -
KotlinConf 2025 (May 21–23, 2025):
Kotlin Clean Architecture for Serverless: Business Logic You Can Take Anywhere.
Featuring another example than Voxxed Days Amsterdam -
Voxxed Days Amsterdam (April 3, 2025):
Clean Architecture for Serverless: Business Logic You Can Take Anywhere.
Among the top 4 most-viewed YouTube talks from Voxxed Days Amsterdam 2025. -
Kotlin Dev Day Advanced (2022):
Kotlin on Serverless Cloud - AWS Lambda, Unlimited! -
AWS Community Day (2022):
Kotlin on AWS Serverless Cloud.
Podcasts
- InfoQ Podcast (August 6, 2025):
Sovereign Clouds, Hyperscalers and European Alternatives
Book Elena for Your Event
Looking for a speaker who brings energy, live coding, and practical content to your conference or meetup? Get in touch to discuss topics, formats, and availability.