Conference

J-Spring 2027

J-Spring is the leading International Java Conference hosted by NLJUG, bringing together top speakers and an active developer community to exchange ideas, discuss modern Java trends, share knowledge, and facilitate networking. Attendees gain insights from world-renowned experts and get hands-on with the latest in Java, data, AI, architecture, and development…

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36Speakers
12Sponsors
0Sessions
34Companies · in total

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Speakers

Programmed at J-Spring, in alphabetical order.

Alejandro Serrano Mena
Researcher · Kotlin Language Evolution Team
Ana Maria Mihalceanu
Java Champion Alumni, Certified Architect
Andrei Shakirin
Amazon Web Services
Ario Afrashteh
Lead Engineer focusing on AI & Data
Balkrishna Rawool
IT Chapter Lead · ING Bank NV
Baruch Sadogursky
DevRel · Tessl AI
Bouke Nijhuis
CTO · CINQ ICT
Bruno Souza
helping developers design amazing careers
Catherine Edelveis
Developer Advocate · BellSoft
Daniel Garnier-Moiroux
Software Engineer · Spring team
Elena van Engelen
Independent Senior Software Engineer
Guus de Wit
Software developer · adesso Netherlands
Hinse ter Schuur
Senior Software Engineer · SDB Java
Holly Cummins
Senior Principal Software Engineer · Quarkus
Jago de Vreede
Developer · TenneT
James Ward
Developer Advocate · AWS
Josh Long
Spring Developer Advocate
Lucía Conde-Moreno
Head of AI Research & Software Engineer · Info Support B.V.
Maik Kingma
Principal Consultant · the/experts.
Marc Buma
Owner · Bumos
Marit van Dijk
Software Developer | Java Champion | Senior Developer Advocate · JetBrains
Michael Coté

Sponsors

The companies behind the program. Tiers as disclosed.

ABN-AMROGold
RabobankGold
appglassBronze
AvantBronze
BelastingdienstBronze
JetBrains Authorized ResellerBronze
LogiusBronze
NCIMBronze
OutlookBronze
RijksoverheidBronze
SoftwareCBronze
Sopra SteriaBronze
Company intelligence

What does it mean when 34 companies show up, and 2 bet on three roles at once?

34 companies. two are betting more than once.

The numbers below are derived from the speakers, sponsors, and exhibitors on this page, cross-referenced into one ledger. They are the only thing here that 10times.com cannot tell you.

Who's in the room
2All threespeak · spons · exh
10Sponsoringsponsor only
22Speakingspeaker only

In all three roles

ABN AMRO·Rabobank

Speakers by seniority

11% of the speakers carry senior titles: C-suite, Founder, VP, or Director-level.

  • C-suite26%
  • Founder / Owner13%
  • Director / Head of13%
  • Manager / Lead514%
  • Engineer · IC1953%
  • Research / Science26%
  • Other roles617%

Of 36 speakers · classified by free-text title

Most-represented companies
#CompanyRolesSpeakers
1ABN AMROSponsor · Gold1
2RabobankSponsor · Gold1
3appglassSponsor · Bronze-
4AVANTSponsor · Bronze-
5BelastingdienstSponsor · Bronze-
6JetBrains Authorized ResellerSponsor · Bronze-
7LogiusSponsor · Bronze-
8NCIMSponsor · Bronze-
9OutlookSponsor · Bronze-
10RijksoverheidSponsor · Bronze-
11SoftwareCSponsor · Bronze-
12Sopra SteriaSponsor · Bronze-
13AWS2
14BellSoft2
Sponsors by tier
gold2
17% of 12
bronze10
83% of 12
At peer events but not here

These companies sponsored two or more peer events recently, but aren't on this program. For an organizer, that's a list of warm prospects.

Related events · by shared sponsors
ConferenceDateCityShared sponsors
J-Fall 2026November 11, 2026Ede5
Future Tech 2027March 10, 2027Utrecht2

In the same series

Prior and forthcoming editions