Greetings!
I'm Kay, a developer, blogger, teacher, and author from Stuttgart, Germany. My preferred "pronouns" are kay/kay.
I create content about software development. Cloud computing, serverless technology, security, API development, and Web3!
My services include creating blog articles, books, documentation, and more.
Currently, I volunteer as editor-in-chief for the Developer DAO blog. A community for people all around the globe who want to teach and learn about Web3.
I have over 15 years of experience as a developer and have written hundreds of articles on various technical topics. My blog has over 15,000 followers and half a million views.
Testimonials
"I’ve had the pleasure of working with Kay in two companies over the past two years. He is simply an exceptional technical writer. His deep technical knowledge is truly impressive, and he consistently delivers polished, high-quality content across diverse topics for the tech industry.
Kay is exceptionally reliable and communicative. He responds promptly and accurately to any suggestions from editors, PMMs, or product teams, never missing a deadline. His solid and dependable nature makes him a fantastic team member to whom I know I can turn for any technical content need. It’s rare to find the combination of technical knowledge, writing mastery, and professionalism that Kay possesses.
I highly recommend Kay for any technical copywriting work."
"We've been collaborating with Kay since early 2020. During this time, he has written dozens of articles for us on a wide variety of tech topics. His technical expertise always shines through--he's even helped our clients debug their products along the way! He is communicative, deadline-driven, flexible, and extremely pleasant to work with--a true techie, writer, and a great guy."
Awards
Star of the Week on the Off-By-None Newsletter
There is a very long list of people who are doing #ServerlessGood and contributing to the Serverless community. These people deserve recognition for their efforts. So each week, I will mention someone whose recent contribution really stood out to me. [...]
This week’s star is Kay Plößer [...] thank you for your prolific work in sharing, teaching, and developing serverless! 🙌
Clients
Personal Projects
My React Book
My first book sold over half a thousand copies. It teaches React from basic JavaScript concepts.

My Web3 Course (WIP)
I writing a Web3 course for frontend developers. It's in the spirit of my book React from Zero, learning something new with basic JavaScript knowledge.
Web3 from ZeroContent Samples
✒️ Solidity Basics for JavaScript Devs
✒️ The Universal Data License Explained
✒️ REST API Design Best Practices for Parameter & Query String Usage
✒️ REST API Design Best Practices for Sub and Nested Resources
✒️ API Best Practices for Feature Deprecation
✒️ Creating Offline Web Apps with AWS Amplify DataStore
🎥 Serverless Debugging with AWS SAM and VSCode
Certifications
C2 English Language Proficiency
Pluralsight JavaScript Expert (IQ 232)
Social Media
🕶 Lenster
🐘 Mastodon
Imprint
Kay Plößer
c/o Block Services
Stuttgarter Str. 106
70736 Fellbach
UST-ID: DE276773107
fllstck (at) pm (dot) me