John (Yiannis) Aivalis | Senior Software Engineer focused mainly on backend development, streaming applications and object-oriented programming
jaivalis.dev
LaunchIndex first observed John (Yiannis) Aivalis | Senior Software Engineer focused mainly on backend development, streaming applications and object-oriented programming (jaivalis.dev) live on 24 October 2026. View its launch screenshot, category, technologies, and verification evidence.

A launch record built from evidence.
John (Yiannis) Aivalis | Senior Software Engineer focused mainly on backend development, streaming applications and object-oriented programming (jaivalis.dev) was first observed live on 24 October 2026.
Personal portfolio of John (Yiannis) Aivalis, a senior software engineer focused on backend development with Java and Kafka, Kubernetes, and leadership experience at Axual, Xomnia, and Patchmanager.
Its profile is classified as Portfolio within Services / Professional services. Verification detected Next.js.
What the launch signal contained.
- First observed live
- Previous state
- No prior non-live observation
- Last verified
- Canonical host
- jaivalis.dev
- Category
- Services / Professional services
- Website type
- Portfolio
- Observed title
- John (Yiannis) Aivalis | Senior Software Engineer focused mainly on backend development, streaming applications and object-oriented programming
- Observed description
- As a Back End Engineer, I have successfully taken multiple projects from 0 to 1. I am a strong independent contributor, who values being part of a collaborative team. Currently, I work mostly with Java and Kafka and deploy software using k8s. I have 10 years of experience in working with companies in the Netherlands.
- Detected technologies
- Next.js
- Screenshot captured
- Evidence source
- Browser observation · Local
- Evidence confidence
- 93%
- HTTP status
- 200
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