Karsten Otto

Berlin, Germany

Join Prog.AI to see contacts

Summary

🤩

Rockstar

🎓

Top School

Karsten Otto is a seasoned backend software engineer with over two decades of professional experience and eight years of recent focused experience in Enterprise Java and systems integration. He has built diagnostics, SOA and provisioning platforms for large telco and enterprise customers, and most recently led backend development at Administration Intelligence and macmon secure. Comfortable from hardware-proximate programming to cloud-ready services, he pairs hands-on coding with architecture, requirements management and customer-facing collaboration. An active contributor to the Apache James mail server project, he has fixed bugs and added production features such as authentication delays, POP3 instrumentation and S3/TLS enhancements. Based in Berlin, he values direct exchange with customers and colleagues to translate complex domain needs into maintainable software. His electrical engineering foundation gives him an unusually strong grasp of both low-level technical constraints and high-level system design.

7 years of coding experience

23 years of employment as a software developer

B.Sc.Hon European Engineering Studies (EEE), Electrical and Electronics Engineering, B.Sc.Hon European Engineering Studies (EEE), Electrical and Electronics Engineering at Coventry University

-, Elektrotechnik, -, Elektrotechnik at Fachhochschule Anhalt, Köthen

German, English, French

Github Skills (7)

smtpd10

javas10

pop310

smtp10

smtps10

java10

rest-api9

Programming languages (1)

Java

Github contributions (5)

apache/james-project

Nov 2021 - Nov 2022

Emails at the heart of your business logic!

Role in this project:

Back-end Developer

Contributions:125 reviews, 40 commits, 74 PRs in 1 year

Contributions summary:Karsten primarily contributed to enhancing the Apache James project by fixing bugs and implementing new features related to email server functionality. Their work involved addressing a DSNBounce exception, adding an authentication failure delay, adding an extra properties file, adding a web admin route for verifying user password and adding a configuration for messages restore location. Furthermore, they modified the VaultConfiguration and added glowroot instrumentation for POP3 protocol, S3 trust store, and TLS authentication.

mailsmtpemailbusiness-logicemails

ottoka/james-project

Nov 2021 - Nov 2024

Emails at the heart of your business logic!

Contributions:202 pushes, 86 branches in 3 years

emailbusiness-logicemailsheartlogic

Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.

Request Free Trial