Senior SW Engineer (C#) – Yieldstar Wafer Flow

Posted 3 Days Ago
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Veldhoven, NLD
In-Office
Senior level
Hardware • Software • Semiconductor
The Role
Own and mature Yieldstar Wafer Flow software by leading complex designs, improving code quality and documentation, and developing, testing, debugging, and integrating software for ASML machines. Collaborate across software, mechatronics, suppliers, customers, and engineering disciplines to manage requirements, resolve integration issues, optimize machine throughput, and deliver solutions on real hardware. Guide peers, support planning, and provide technical advice to project leaders and management.
Summary Generated by Built In

Introduction to the job

As a Senior SW Engineer in our context, you own part of the Yieldstar Wafer Flow content and mature the software by increasing its code quality and its respective documentation. You do so in a highly collaborative, agile team of experienced SW engineers.

You perform close collaboration with the functional engineers to keep YS Wafer Flow out of the critical path during project integrations and perform deep dive cross-functional analyses during integration issues. As Senior SW Engineer, you are extremely sharp on requirement-gathering and management, as the Wafer Flow complexity needs accurate requirements. Cross-functional interests help in aligning and detailing out on requirements. You need to be well-aligned with your context to clarify scope and to get help when and where needed.

The senior SW engineer takes the lead in development of more complex parts of modules AND/OR drives and owns technically complex solutions.

You lead several technically complex designs, owning and delivering solutions with full technical ownership, taking industrialization into account from the start.

Role and responsibilities

​ Your responsibilities include:

  • Work across multiple teams and collaborate with functional (mechatronics) and other SW team members.

  • Take the lead in interfacing with suppliers, customers, other projects and other engineering disciplines in a less-defined environment (e.g. new supplier, NPI product).

  • Participate in cross-sector teams to realize customer solutions (end-customer / sectors in Operations).

  • Align on / think of solutions with counterparts from multiple adjacent groups. Collaborate with engineers and architects from other domains, taking the right ownership and use ‘influence without authority’ on stakeholders.

  • Understand how own designs fit at subsystem level. The Senior SW Engineer performs critical design engineering tasks, in close collaboration with other disciplines and suppliers, maintains a cross-project-view and assists in project planning and management as well as competency development.

  • Introduce and drive new approaches on technical level within submodules. Provide work breakdown support for features/work packages and performance breakdown in own (sub-)module scope. Balance between quality and timely delivery. Advise Cluster Project Leaders, SE and manager on own expertise area.

  • Self-propelling approach within own area of expertise, subject to high-level managerial direction.

  • Guide and impact the work of peers, typically 1-3 engineers.

Education and experience

  • Bachelor or Master degree or equivalent working and thinking level. Thorough relevant experience (8+ years ) and able to technically lead an engineering team and advise management.

  • Proven track record in areas with complexities similar to Yieldstar Wafer Flow

  • Experience with (developing software for) hardware

  • Experience with CARM would be a bonus

Skills

As a Senior SW Engineer you need to be able to design, develop, test and integrate software for ASML’s machines and applications.
You need skills and multi-year experience in the following domains:

  • C# (Main requisite)

  • SW Design & Architecture

  • CI/CD (Preferably Bamboo)

  • Machine Control design (Multi process applications, Machine-throughput optimal performance, etc.)

  • Debugging (of multi layered systems)

  • Near to real time applications

  • Testing and qualifying solutions on real hardware

Other Information

Please add a CV and a motivation letter as we cannot process applications outside of Workday.

Inclusion and diversity

ASML is an Equal Opportunity Employer that values and respects the importance of a diverse and inclusive workforce. It is the policy of the company to recruit, hire, train and promote persons in all job titles without regard to race, color, religion, sex, age, national origin, veteran status, disability, sexual orientation, or gender identity. We recognize that inclusion and diversity is a driving force in the success of our company.

Need to know more about applying for a job at ASML? Read our frequently asked questions.

Skills Required

  • Bachelor’s or Master’s degree, or equivalent working and thinking level
  • 8+ years of thorough relevant experience
  • Proven track record in areas with complexity similar to Yieldstar Wafer Flow
  • Experience developing software for hardware
  • Multi-year experience with C#
  • Software design and architecture experience
  • CI/CD experience
  • Machine control design experience, including multi-process applications and throughput optimization
  • Debugging experience with multilayered systems
  • Experience with near-real-time applications
  • Experience testing and qualifying solutions on real hardware
  • Experience with CARM
  • Experience with Bamboo CI/CD

ASML Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about ASML and has not been reviewed or approved by ASML.

  • Healthcare Strength — Health coverage is broad and employer‑funded to a significant degree, with multiple plan options plus mental health and wellness resources. Complementary offerings like onsite/virtual care, HSA contributions, and a gym subsidy strengthen the overall medical package.
  • Parental & Family Support — Family‑forming benefits include paid parental leave, adoption assistance, IVF coverage, and practical supports like lactation rooms and milk‑shipment for travel. These provisions indicate substantial caregiving support across life stages.
  • Leave & Time Off Breadth — Paid time off can reach a high ceiling when combining vacation and company holidays, with accruals increasing by tenure. Flexible workplace policies and a vacation sell‑back option add usability to the time‑off program.

ASML Insights

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The Company
HQ: Veldhoven
34,760 Employees
Year Founded: 1984

What We Do

ASML is a high-tech company, headquartered in the Netherlands. We manufacture the complex lithography machines that chipmakers use to produce integrated circuits, or computer chips. Over 30 years, we have grown from a small startup into a multinational company with over 60 locations across Europe, Asia and the US. Behind ASML’s innovations are engineers who think ahead. The people who work at our company include some of the most creative minds in physics, electrical engineering, mathematics, chemistry, mechatronics, optics, mechanical engineering, computer science and software engineering. Because ASML spends more than €2 billion per year on R&D, our teams have the freedom, support and resources to experiment, test and push the boundaries of technology. They work in close-knit, multidisciplinary teams, listening to and learning from each other.

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