14 beste vacatures voor de functie van .net developer in 2324 leiden (nieuwe medewerkers gezocht)

Junior Security Engineer
Exact —Delft
- Hybride werken
- ERP systemen
- Python
1 dag
Senior Software Engineer / Consultant (Nederlands sprekend)
Netcompany —Den Haag
- € 4.375 - € 5.200 per maand
- E-mail
- Hybride werken
- Azure
- Oracle
- Salesforce
- Reiskostenvergoeding
Snel solliciteren
Software Engineer Azure / .NET
Bryder —Delft
- € 3.000 - € 5.000 per maand
- Fulltime
- Hybride werken
- Azure
- DevOps
- SQL
- Flexibele werkuren
Snel solliciteren
Software Engineer - Defensie
CGI —Randstad
- Militaire ervaring
- Java
- ICT
Snel solliciteren
Full Stack Developer
InnSpire —Randstad
- € 6.000 - € 10.000 per maand
- Parttime
- DevOps
- Java
- Master
- Reiskostenvergoeding
- Budget voor professionele ontwikkeling
Java Developer
InnSpire —Randstad
- € 6.000 - € 10.000 per maand
- Parttime
- Azure
- DevOps
- Java
- Reiskostenvergoeding
- Budget voor professionele ontwikkeling
Medior/Senior Mendix Developer
InnSpire —Randstad
- € 6.000 - € 10.000 per maand
- Parttime
- Bachelor
- Reiskostenvergoeding
- Budget voor professionele ontwikkeling
Senior C++ Engineer
ndus3 —Den Haag
- € 3.200 - € 4.530 per maand
- Online sollicitatie
- Informatica
- Engels
- Java
- Budget voor professionele ontwikkeling
Test Automation Engineer
Infomedics —Heemstede
- € 4.000 - € 5.500 per maand
- Online sollicitatie
- Hybride werken
- DevOps
- Analytisch vermogen
- Bachelor
- Flexibele werkuren
Snel solliciteren
DevOps Engineer
DevOn —Delft
- Fulltime
- Azure
- DevOps
- Java
Aanjager OutSystems Developer
InnSpire —Randstad
- € 6.000 - € 10.000 per maand
- Parttime
- Bachelor
- Reiskostenvergoeding
- Budget voor professionele ontwikkeling
Microsoft Platform Engineer
De Goudse Verzekeringen —Gouda
- € 4.092 - € 6.460 per maand
- Online sollicitatie
- Azure
- Verkoopervaring
- DevOps
- Bedrijfsfitness
Software Engineer Java / Rust
Technolution —Gouda
- € 3.200 - € 4.200 per maand
- Fulltime
- Engineering
- Java
- Master
- Winstdeling
Senior frontend ontwikkelaar
Alvant —Rijswijk
- Parttime
- DevOps
- Bachelor
- Agile

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Senior Software Engineer / Consultant (Nederlands sprekend)
Netcompany —Den Haag
Je werkt aan digitale oplossingen voor grote organisaties en helpt klanten om complexe businessvraagstukken te vertalen naar schaalbare, toekomstbestendige…
€ 4.375 - € 5.200 per maand
Snel solliciteren

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Junior Security Engineer

Exact -
Delft

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Vacaturegegevens

1 dag geleden

Secundaire arbeidsvoorwaarden

Pensioen

Kwalificaties

C#
ERP systemen
.NET
PHP
Burp Suite
Python
Gebruikersbeheer

Volledige vacaturetekst

Starters

Job

Netherlands, Delft

Development

Netherlands

This = the job

Security Operations is Exact's security engineering team, owning two areas: security across Exact's full product portfolio, and the development of Identity and Access Management (IAM) functionality used across Exact's products. The team builds secure tooling that integrates into engineering teams' existing workflows, bringing a security-first mindset into the development lifecycle (SSDLC). Automation covers what it can; manual, pentest-style testing covers what it can't.

This = the job that you aspire to

Within the team, you write code across several fronts: building secure tooling and playbooks that make secure software the default, translating findings into concrete low-level fixes, and contributing to the development of Identity and Access Management (IAM) functionality.
When deeper investigation is needed, you take part in structured security campaigns: building an inventory of what needs to be checked, ranking findings by risk, investigating the highest-risk areas in depth, and reporting clearly on what was tested, what was found, and what remains open.
You help tackle low-level security issues and build tools that prevent insecure software patterns.
You help build and improve the team's shift-left security tooling and playbooks.
You contribute to the team's recurring scanning and testing program, following up with engineering teams on findings.

This = your team

Security Operations is part of Technology, made up of security-minded software engineers who both build and break things: building secure tooling and IAM functionality, and testing systems the way an attacker would to see if they hold up. The team continuously refines its tooling, playbooks, and methods based on what it finds.

This = our tech stack

Exact's core products are primarily built in C#/.NET. Across the wider Exact portfolio you will also encounter other languages, such as C, Python, and PHP — comfort reading unfamiliar code is useful, though you don't need to master every language. The team relies on a combination of automated scanning and dependency tooling, AI-assisted analysis, and manual, pentest-style testing with tools such as Burp Suite or OWASP ZAP.

This = what you bring

A software engineering background (junior to medior level), you've written and shipped real code, ideally in C#/.NET or a comparable ecosystem.
Genuine interest in application security and classical penetration-testing techniques: you know your way around the OWASP Top 10 (injection, broken authentication, IDOR, SSRF, and similar) and want to go deeper.
A "trace it to the source" mindset: you want to understand not just that something is vulnerable, but why, and how an attacker would actually use it.
Basic awareness of threat modeling concepts (e.g., STRIDE) and interest in growing into attack-surface thinking.
Comfort reading code across different languages and frameworks.
Clear, structured communication: you can explain a technical finding to both an engineer and a non-technical stakeholder.
A collaborative, learning attitude: you are supported by senior colleagues and are expected to grow toward more autonomous work over time.

Nice to have (not required):

Familiarity with the OWASP Top 10 and OWASP ASVS.
CompTIA Security+ or an equivalent foundational security certification.
eJPT (eLearnSecurity Junior Penetration Tester) or a similar hands-on/practical entry-level pentest credential.

This = what you get

At Exact, we understand the importance of achieving a healthy balance between effort and relaxation, because it enhances both job satisfaction and well-being.
Over 2,000 colleagues worldwide, with technology colleagues across our offices in Delft (HQ), Utrecht, Eindhoven, Zwolle, and our Kuala Lumpur development center.
A 40-hour workweek on a permanent (indefinite) contract.
Hybrid working model: 2 days in the office, 3 days working from home.
Competitive salary, a thirteenth month, and 8% holiday allowance.
A modern pension scheme.
27 vacation days, plus up to 5 loyalty days (one extra day per full year of employment) and up to 3 "Giving Back" days for a charity of your choice.
Home office supplies to support your home working setup.
Access to LinkedIn Learning and Exact's own learning & development center to help you grow into this role.
Events such as a global hackathon and Tech Talks to develop and showcase your skills.

Ready to Join Us?

We're excited to hear from you.

After you apply, one of our Talent Acquisition Specialists will contact you to answer any questions and discuss your experience and ambitions.

The selection process typically includes:

An introductory conversation.
A coding challenge.
A technical and team interview.
Offer stage
If there's a match on both sides, we'll be delighted to welcome you to the Security Operations team.

About Exact

Exact develops cloud software for small and medium-sized companies and their accountants. The products automate business processes in areas such as Finance and HR and provide specific ERP solutions for wholesale distribution, manufacturing, projects and construction. This saves time and provides insight. It enables customers to work efficiently, make informed decisions and continue growing. More than 675,000 companies primarily in the Netherlands, Belgium and Germany already rely on Exact's software. Exact was founded in 1984 in Delft, the Netherlands, which is still the location of our head office. Every day, more than 2,000 ambitious professionals work on innovation. Driving responsible business, with respect for each other, the environment and society is central to this. For more information, visit www.exact.com.

Vragen?

Contact Jan Willem van der Most

Call

+31 15 711 5100

Call

+ 31 630 35 18 04

E-mail

[email protected]

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.net developer vacatures in 2324 leiden

Junior Security Engineer

Senior Software Engineer / Consultant (Nederlands sprekend)

Software Engineer Azure / .NET

Software Engineer - Defensie

Full Stack Developer

Java Developer

Medior/Senior Mendix Developer

Senior C++ Engineer

Test Automation Engineer

DevOps Engineer

Aanjager OutSystems Developer

Microsoft Platform Engineer

Software Engineer Java / Rust

Senior frontend ontwikkelaar

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This = what you bring