Software Engineer
Current
Dec 2017 - Present
AeroLeads people directory · profile
Floris De Jong Email & Phone Number
Software Engineer
at
Twelve
1 work email found
@validware.nl
LinkedIn matched
✓ Verified May 2026
4 data sources
Profile completeness 100%
Current company
Role
Software Engineer
Location
The Hague, South Holland, Netherlands
Company size
Who is Floris De Jong? Overview
A concise factual answer block for searchers comparing this professional profile.
Quick answer
Floris De Jong is listed as Software Engineer at Twelve, a company with 139 employees, based in The Hague, South Holland, Netherlands. AeroLeads shows a work email signal at validware.nl and a matched LinkedIn profile for Floris De Jong.
Floris De Jong previously worked as Software Engineer at Centric and Software Engineer at Validware. Floris De Jong holds Master Of Science - Ms, Environmental Science from Wageningen University & Research.
Company email context
Email format at Twelve
This section adds company-level context without repeating Floris De Jong's masked contact details.
{first}@validware.nl
86% confidence
AeroLeads found 1 current-domain work email signal for Floris De Jong. Compare company email patterns before reaching out.
Profile bio
About Floris De Jong
Software design, development and maintenanceFocussing on web and backend, using Azure, .NET, C#, typescript, javascript. Skills cross section:- Azure serverless development; AzureFunctions, EventGrid, CosmosDb, AD B2C, ApiManagement, Infrastructure as Code, SignalRService- ASP.NET, SignalR- SPA: React, Vue, Nuxt, Durandal- Progressive Web Apps (PWA)- Messaging: OpenApi, REST, SOAP, WebAPI, Azure EventGrid, RabbitMQ, MirthConnect, WCF- Data: EntityFramework, SQL Server, CosmosDb, LiteDb- Security: Federated Security, AzureADB2C, IdentityServer4- Architecture: SOA, Microservices. Design Patterns.- ALM: Azure DevOps administration (private Nuget/npm feeds, GIT, Pipelines, custom extensions)- Testing/CodeQuality: TDD, UI Test automation, ApiTesting, SonarCloud, Resharper- SCRUM, GitflowMicrosoft Certified Professional
Listed skills include Social Media, Web Development, Dutch, Web Design, and 9 others.
Current workplace
Floris De Jong's current company
Company context helps verify the profile and gives searchers a useful next step.
Twelve
5 roles
Floris De Jong work experience
A career timeline built from the work history available for this profile.
Software Engineer
Apr 2013 - Sep 2017
Software Engineer
Validware
Jan 2000 - Apr 2013
Software Engineer
Apr 1999 - Sep 1999
Environmental Consultant Soil Sanitation
Sep 1996 - Feb 1999
Team & coworkers
Colleagues at Twelve
Other employees you can reach at twelve.eu. View company contacts for 139 employees →
SB
Sebastiaan Buitendijk
Colleague at Twelve
Eemnes, Utrecht, Netherlands, Netherlands
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AV
Anja Van Wijk
Colleague at Twelve
Netherlands, Netherlands
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PN
Pam Nagtegaal
Colleague at Twelve
The Randstad, Netherlands, Netherlands
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DA
Diego Arisse
Colleague at Twelve
Tiel, Gelderland, Netherlands, Netherlands
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FS
Feline Smeenk
Colleague at Twelve
Amersfoort, Utrecht, Netherlands, Netherlands
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JG
Jasper Götz
Colleague at Twelve
Utrecht, Utrecht, Netherlands, Netherlands
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CF
Christijn Feijen
Colleague at Twelve
Nieuwegein, Utrecht, Netherlands, Netherlands
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EV
Evie Van Wijngaarden
Colleague at Twelve
South Holland, Netherlands, Netherlands
View →
SN
Sander Nierop Groot
Colleague at Twelve
Leerdam, South Holland, Netherlands, Netherlands
View →
JI
Jette Immerzeel
Colleague at Twelve
Utrecht Area, Netherlands
View →
Sebastiaan Buitendijk
Colleague at Twelve
Eemnes, Utrecht, Netherlands, Netherlands
View →
AV
Anja Van Wijk
Colleague at Twelve
Netherlands, Netherlands
View →
PN
Pam Nagtegaal
Colleague at Twelve
The Randstad, Netherlands, Netherlands
View →
DA
Diego Arisse
Colleague at Twelve
Tiel, Gelderland, Netherlands, Netherlands
View →
FS
Feline Smeenk
Colleague at Twelve
Amersfoort, Utrecht, Netherlands, Netherlands
View →
JG
Jasper Götz
Colleague at Twelve
Utrecht, Utrecht, Netherlands, Netherlands
View →
CF
Christijn Feijen
Colleague at Twelve
Nieuwegein, Utrecht, Netherlands, Netherlands
View →
EV
Evie Van Wijngaarden
Colleague at Twelve
South Holland, Netherlands, Netherlands
View →
SN
Sander Nierop Groot
Colleague at Twelve
Leerdam, South Holland, Netherlands, Netherlands
View →
JI
Jette Immerzeel
Colleague at Twelve
Utrecht Area, Netherlands
View →
1 education record
Floris De Jong education
FAQ
Frequently asked questions about Floris De Jong
Quick answers generated from the profile data available on this page.
What company does Floris De Jong work for?
Floris De Jong works for Twelve.
What is Floris De Jong's role at Twelve?
Floris De Jong is listed as Software Engineer at Twelve.
What is Floris De Jong's email address?
AeroLeads has found 1 work email signal at @validware.nl for Floris De Jong at Twelve.
Where is Floris De Jong based?
Floris De Jong is based in The Hague, South Holland, Netherlands while working with Twelve.
What companies has Floris De Jong worked for?
Floris De Jong has worked for Twelve, Centric, Validware, Afvalzorg, and Grontmij Group.
Who are Floris De Jong's colleagues at Twelve?
Floris De Jong's colleagues at Twelve include Sebastiaan Buitendijk, Anja Van Wijk, Pam Nagtegaal, Diego Arisse, and Feline Smeenk.
How can I contact Floris De Jong?
You can use AeroLeads to view verified contact signals for Floris De Jong at Twelve, including work email, phone, and LinkedIn data when available.
What schools did Floris De Jong attend?
Floris De Jong holds Master Of Science - Ms, Environmental Science from Wageningen University & Research.
What skills is Floris De Jong known for?
Floris De Jong is listed with skills including Social Media, Web Development, Dutch, Web Design, Software Development, Css, Jquery, and Asp.Net.
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