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Software Design Engineer


Wilton, Connecticut 06897
Job Type:
Job Status:
Full Time
  • Software Engineering
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Job Details


ASML brings together the most creative minds in science and technology to develop lithography machines that are key to producing faster, cheaper, more energy-efficient microchips. We design, develop, integrate, market and service these advanced machines, which enable our customers - the world’s leading chipmakers – to reduce the size and increase the functionality of their microchips, which in turn leads to smaller, more powerful consumer electronics. Our headquarters are in Veldhoven, the Netherlands, and we have 18 office locations around the United States including main offices in Wilton, CT, Chandler, AZ and San Jose, CA.  

Job Description

The individual will be responsible for key modules of the production software throughout the development cycle, ranging from specifying functional requirements by working with multi-disciplinary teams, providing detailed design specifications, outlining testing effort, to implementing the software and executing the testing steps to qualify the product, etc. The engineer will work closely with the team leader, the project management and other developers to create robust software that offers advanced architecture and fulfills the business needs.

As a software engineer at ASML, you will be working on robotics, image processing, complex algorithms, GUI and application software. You will be working with electrical engineers, mechatronic engineers and system engineers to define the software requirements. After that you will be making a software design and document it using UML. All this is discussed and reviewed with your software team of about 10 people. The team consists of a team lead, a software architect, a few senior developers and a few junior developers. The Wilton branch has about 60 software developers. ASML overall has about 1,000 software developers. After your software design is approved you are responsible for implementing the design in C for existing modules and C++ for new modules. A single module is roughly 100.000 lines of code. Auto and unit testers are written in Python. After that is all reviewed you can go ahead and download the code to one of our lithography machines (which vary in price between $5 million and $100 million) and test the code. During the testing you will collect the necessary data so you can write a test report. This test report is then reviewed and when it is approved your software will be released. In a matter of days our customers will now be running with your software. The development environment is Red Hat Linux; execution environment is Wind River Linux. The software release driving an ASML machine is 40 million lines of code. ASML software teams work in various modes such as optimized waterfall model, Agile and concurrent engineering.


  • BS or higher in Computer Science or related technical discipline or equivalent experience.


  • 5 years C/C++ programming experiences, with an emphasis on embedded system programming (can include education)
  • 5 years Unix programming experiences, preferably on Solaris or Linux. (can include education)
  • Experience or proven ability in computational algorithms;
  • Experience or proven ability in technical specifications;
  • Experience or proven ability in designing complex software architecture;
  • Experience in Python, is a plus;
  • Experience in Clearcase, is a plus

Personal skills

  • Excellent problem-solving and analytical skills;
  • Excellent communication skills;
  • A passion for programming and software engineering;

Context of the position

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

  • While performing the duties of this job, the employee routinely is required to sit; walk; talk; hear; use hands to keyboard, finger, handle, and feel; stoop, kneel, crouch, twist, reach, and stretch. 
  • The employee is occasionally required to move around the campus.
  • The employee may occasionally lift and/or move up to 20 pounds. 
  • May require travel dependent on company needs. 
  • Specific vision abilities required by this job include close vision, color vision, peripheral vision, depth perception, and ability to adjust focus. 
  • Can work under deadlines. 
  • The environment generally is moderate in temperature and noise level. 
  • Must be able to read and interpret data, information, and documents. 
  • Can observe and respond to people and situations and interact with others encountered in the course of work. 
  • Can learn and apply new information or skills. 

Other Information

EEO/AA (W/M/Vets/Disability) Employer.

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