20 beste vacatures voor de functie van web developer in 2025 haarlem (nieuwe medewerkers gezocht)

Lead .NET Developer- Dutch Speaking
Cognizant —Amsterdam
- Fulltime
- Hybride werken
- Azure
- DevOps
- Engels
DevOps Engineer (Azure / .NET)
Everience Benelux —Amsterdam
- Fulltime
- Hybride werken
- Azure
- DevOps
- Engels
Snel solliciteren
DevOps Engineer Akamai
Schuberg Philis —Schiphol
- Parttime
- Azure
- DevOps
- APIs
Senior Data Scientist - Machine Learning
Catawiki —Amsterdam
- SQL
- Machinaal leren
- Python
- Verhuisvergoeding
12 dagen
Senior Research Engineer (Agentic Behavior)
JetBrains —Amsterdam
- Engels
- Java
- Master
Backend Engineer
Catawiki —Amsterdam
- Hybride werken
- Engels
- SQL
- Softwareontwikkeling
4 uur
Engineer test automation
CLB Groep —De Rijp
- Online sollicitatie
- Informatica
- Engels
- Analytisch vermogen
- Reiskostenvergoeding
Mobile Developer iOS & Android
Van Lanschot Kempen —Amsterdam
- € 5.000 - € 6.200 per maand
- Parttime
- Hybride werken
- Azure
- Kantoor
- Bachelor
Staff / Senior Software Engineer (Agentic Search) - Crawler
Nebius —Amsterdam
- C++
Snel solliciteren
UX Researcher / Designer
Nijmegen Education Partners —Amsterdam Centrum
- € 3.000 - € 5.000 per maand
- Fulltime
- Onderzoek
- JavaScript
- Communicatieve vaardigheden
- Kosteloos parkeren
- Telefoonplan
Snel solliciteren
E-commerce Designer
Ask Phill —Amsterdam
- € 50.000 - € 70.000 per jaar
- Fulltime
- Hybride werken
- JavaScript
- AI
- HTML
- Reiskostenvergoeding
Senior Frontend and Conversational Developer
Deloitte —Amsterdam Zuid
- Parttime
- Hybride werken
- Informatica
- Azure
- Master
- Bedrijfsfitness
- Flexibele werkuren
Senior Software Engineer
Syntho —Amsterdam
- Fulltime
- Informatica
- DevOps
- Master
Snel solliciteren
Senior Product Designer (AIR)
JetBrains —Amsterdam
- Engels
- Tijdmanagement
Technical Team Lead, Contract
Xcelirate —Amsterdam
- € 145.000 per jaar
- Thuiswerk
- AWS
- JavaScript
- ICT
Snel solliciteren
Senior Software Engineer (Backend, .Net)
Tesla —Amsterdam-Zuidoost
- Informatica
- Informatica
- Bachelor
12 uur
Senior UX Writer (Maternity Cover)
DICE —Amsterdam
- Thuiswerk
- ICT
Snel solliciteren
13 dagen
Software Test Engineer
Optics11 —Amsterdam-Zuidoost
- Fulltime
- Management
- Informatica
- Master
Snel solliciteren
13 uur
PHP ontwikkelaar
Etesian IT Consulting —Amsterdam
- € 2.400 - € 4.500 per maand
- Kantoor
- AWS
- Analytisch vermogen
(Technical) Web Analyst
Yellowgrape —Amsterdam
- Parttime
- Kantoor
- SQL
- Analytisch vermogen
- Reiskostenvergoeding

Ik wil de nieuwste vacature-alerts ontvangen voor de functie van web developer in 2025 haarlem

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Lead .NET Developer- Dutch Speaking

Cognizant -
Amsterdam

Nu solliciteren

Vacaturegegevens

Fulltime

Kwalificaties

CI/CD
Azure
DevOps
.NET Core
C#
Microsoft SQL Server
Engels
.NET
Applicatieontwikkeling
Databaseontwerp
Continue verbetering
Continuous integration
Begeleiding
Schaalbaarheid
Zakelijke vereisten
Communicatieve vaardigheden

Volledige vacaturetekst

Fluent Dutch language skills and professional proficiency in English.
About Cognizant
Cognizant is one of the world’s leading professional services companies, helping clients modernize technology, reimagine processes, and transform experiences so they can stay ahead in a fast-changing world. Our collaborative, technology-driven culture empowers employees to solve complex business challenges while developing their careers in a diverse and inclusive environment.
Job Summary
We are looking for an experienced, hands-on Lead .NET Developer to take full ownership of a business-critical application. You will drive the solution from architecture and design through development, deployment, and ongoing production support. As the technical lead, you will set the standard for code quality, guide design decisions, and act as the primary point of contact for the application.
This is a hands-on leadership role where you are expected to contribute code daily, perform code reviews, mentor developers, and provide technical direction while maintaining close engagement with customers and stakeholders. Strong communication skills are essential, as you will regularly explain technical concepts and solution decisions to both technical and non-technical audiences in Dutch and English.
Key Responsibilities

Own the full application lifecycle, including architecture, development, deployment, support, and continuous improvement.
Lead the design and architecture of the application, translating business requirements into scalable, secure, and maintainable technical solutions.
Develop clean, maintainable, high-quality, and well-tested applications using C# and .NET technologies.
Perform code reviews, establish coding standards, and promote engineering best practices across the team.
Mentor and support developers, providing technical leadership and guidance.
Build, maintain, and optimize CI/CD pipelines using Azure DevOps to enable reliable and automated software delivery.
Design, deploy, and manage cloud-native and cloud-hosted solutions on Microsoft Azure.
Develop modern, responsive user interfaces using Blazor.
Design, optimize, and maintain SQL Server databases, ensuring performance, reliability, and scalability.
Provide end-to-end production support, troubleshooting, root cause analysis, and incident resolution.
Collaborate closely with customers, stakeholders, architects, and delivery teams to ensure successful project outcomes.
Drive continuous improvement initiatives across development, deployment, and operational processes.
Serve as the primary technical point of contact for the application and its stakeholders.

Required Skills & Experience

Extensive knowledge of C#, including advanced language features, design patterns, and software engineering best practices.
Extensive expertise with the .NET platform (.NET and .NET Core) for enterprise-grade application development.
Strong experience designing, implementing, and supporting Microsoft Azure solutions.
Strong hands-on experience building and managing CI/CD pipelines in Azure DevOps.
Practical experience developing modern web applications using Blazor.
Solid knowledge of SQL Server, including database design, performance optimization, querying, and maintenance.
Proven capability to provide technical leadership, guide architectural decisions, and mentor development teams.
Strong understanding of software design principles, application architecture, and development best practices.

Preferred Skills

Experience owning and supporting applications throughout their complete production lifecycle.
Familiarity with automated testing frameworks and quality engineering practices.
Knowledge of DevOps culture, processes, and continuous improvement methodologies.
Experience coaching, mentoring, and developing engineering talent.
Understanding of cloud-native architecture and modern software delivery practices.

Working Arrangement
This is a hybrid position based in Utrecht, Netherlands. The successful candidate will work on-site at the customer’s office a minimum of two days per week, with the remaining days available for remote work. Regular on-site presence is essential to support close collaboration with the customer, stakeholders, and project teams.
What We Offer

Competitive salary.
Access to Udemy and Cognizant Academy for continuous learning and professional development. Opportunity to work in a technology-driven organization delivering innovative solutions.
Open and collaborative team culture.
International working environment with opportunities to work alongside global experts and clients.

Contact the Recruiter
Megha Nagpal
Email: [email protected]
Phone: +31 6 2715 5643

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web developer vacatures in 2025 haarlem

Lead .NET Developer- Dutch Speaking

DevOps Engineer (Azure / .NET)

DevOps Engineer Akamai

Senior Data Scientist - Machine Learning

Senior Research Engineer (Agentic Behavior)

Backend Engineer

Engineer test automation

Mobile Developer iOS & Android

Staff / Senior Software Engineer (Agentic Search) - Crawler

UX Researcher / Designer

E-commerce Designer

Senior Frontend and Conversational Developer

Senior Software Engineer

Senior Product Designer (AIR)

Technical Team Lead, Contract

Senior Software Engineer (Backend, .Net)

Senior UX Writer (Maternity Cover)

Software Test Engineer

PHP ontwikkelaar

(Technical) Web Analyst

Ik wil de nieuwste vacature-alerts ontvangen voor de functie van web developer in 2025 haarlem

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