Senior Software Engineer C#

  • Job category IT
  • Employment Fulltime
  • Reference number VAC-10013087
  • Location Veldhoven
  • Contract type Secondment via YER, Interim/independent
  • Industry High Tech

About this vacancy

Are you challenged by delivering solutions to complex engineering problems in a multi-disciplinary team-effort? Do you enjoy capitalizing on .NET software technology in an Agile development context to create solutions that our customers appreciate? Would you like to contribute to the world’s most advanced chip production metrology equipment? If so, we currently have an exciting opportunity for a senior software developer!

Job Mission

Within business line Applications the D&E YieldStar software groups address the area of complex machine algorithms software. You will be end-to-end responsible for realization of software in C sharp in the Wafer Flow team, one of the software teams contributing to development of the YieldStar software platform.

Job description

Main Responsibilities:

  • Act as scrum team member
  • Demonstrate end-to-end ownership for feature/story based software engineering
  • Align specifications with stakeholders in the function team
  • Secure both software and product quality
  • Ensure adequate fit of software deliverables in the YieldStar software platform
  • Software realization, including design, testing and documentation
  • Provide input for and review technical roadmap
  • Contribute to continuous improvement of our Agile software development for the software department as a whole
  • Transfer knowledge to colleagues in both D&E and sectors supporting operations (e.g. Customer support)
  • Maintain technical skills and knowledge, keeping up to date with market trends and competitive insights


ASML is a successful Dutch high-tech enterprise that produces complex lithography systems used by chip manufacturers in the production of integrated circuits. ASML is at the cutting edge of this technology and delivers systems to all the world's leading chip manufacturers. ASML's employees are among the most creative talents in the fields of physics, mathematics, chemistry, mechanical engineering and software. Every day they collaborate in close-knit multidisciplinary teams in which members listen to and learn from one another and exchange ideas. It is the ideal environment for professional development and personal growth.

ASML is headquartered in Veldhoven, the Netherlands.

Offer description

You will be employed by YER and seconded to ASML. We offer:

  • Good employee benefits (e.g. work-life balance, pension, lease car, bonus model)
  • Challenging assignments
  • Excellent guidance from your consultant and YER's back office
  • Development opportunities, including the YER Talent Development Programme with a personal coach
  • Intensive support for international candidates (including Dutch lessons, tax-return and accommodation assistance)
  • Cooperative and results and relationship-driven
  • Friendly atmosphere and open culture
  • Community/network with other technology professionals from a variety of multinationals
  • Events and master classes with interesting speakers and attractive companies

Candidate profile


  • Master in computer science, informatics, mathematics.


  • 8 years in object oriented development of technical software large software products
  • 5 years of experience with Agile/scrum.
  • 5 years of experience with Windows tooling applications (in C#)
  • 5 years of experience with C# (nice to have C – C++ background)
  • Extensive experience with software engineer with a lot of hardware interaction.
  • Up -to -date knowledge of and experience with recent versions of the .NET framework, complex algorithms and time critical operations.
  • Experienced in OOP, Unit Tests, Design Patterns, (DI, TDD is a bonus)
  • Experience with stakeholder management in a multi-disciplinary environment
  • Experience with working in large code bases and collaborating with multiple software teams in a complex environment

Personal skills

  • Passionate about Software development and clean software design
  • Strong analytical view combined with pragmatic attitude (flexibility)
  • Value orientation, getting to the essence, setting of and acting according to priorities
  • Real team player
  • Ability to work in a cross-disciplinary scrum team in a dynamic product development environment with an Agile mindset
  • You actively look for continuously improvement in a collaborative way
  • You are able to deal with change and uncertainty
  • Strong analytical view combined with pragmatic attitude (flexibility)
  • Value orientation, getting to the essence, setting and acting according to priorities
  • Strong knowledge of object-oriented design patterns and UML
  • You actively look for continuously improvement in a collaborative way
  • You are able to deal with change and uncertainty
  • Proven experience with stakeholder management
  • Excellent communication skills (both written and verbal) and good knowledge of English
  • Curious, fast learning (mostly on the job)