Introduction to the jobHMIApplication Software Development (ASD) group is expanding to support the fast‑growing needs in defect inspection, CD metrology result visualization, and scanner data analysis. We are looking for aFullstackSoftware Engineering Group Team Leadwho combines hands‑on engineering capability with strong people leadership. You will lead the transition from Windows‑basedapplications (C#/.NET) to modern Web architecture (React/JavaScript) and help build high‑quality, scalable application software for ASML/HMI customers worldwide. This position follows a hybrid work model with 2 days WFH and 3 onsite days per week in the Hsinchu office.Role and ResponsibilitiesTechnical LeadershipLead design and implementation of application software, guiding the team through the evolution from C#/.NET Windows applications toward Web-based development.Provide technical direction, conduct design/code/test reviews, and ensure high‑quality deliverables.Offer hands‑on support in fullstack engineering, including frontend architecture, backend logic, API integration, and modern UI development.Ensure documentation quality, consistency of design decisions, and alignment with cross‑functional stakeholders.People LeadershipLead and develop a team of5–10+ software engineers, with 30–70% of your time focused on team leadership.Mentor, coach, onboard, and elevate the capabilities of team members.Manage performance reviews, provide feedback, and lead talent development discussions.Foster an open, collaborative engineering culture aligned with ASML values:Challenge, Collaborate, Care.Execution CollaborationCollaborate with system, architecture, and product teams to define software requirements and roadmap priorities.Identifytechnical risks, propose mitigation actions, and ensuretimelydelivery according to projectmilestones.Coordinate with cross‑site partners and support alignment across HMI/Brion/ASML product lines.Required QualificationsBachelor’s orMaster’s degree in Computer Science, Software Engineering, Information Systems, or related fields.10+ yearsof software development experience (MS 10+ / BS 12+).5+ years hands‑on experience with C#/.NETin Windows application development (WinForm/WPF/Web).Solid knowledge ofsoftware design principles, including OOP, design patterns, UML, and software development lifecycle.Proven experienceleading at least 5 engineers, including handling performance reviews.Preferred QualificationsFullstackengineering experience withC#, JavaScript, React, orJava.Hands‑on experience with modern Web development (React/JavaScript strongly preferred).Background insoftware product companiesorIoT-related industries.Experience drivingtechnology transformation or architecture modernizationprojects.Ability to educate and uplift colleagues’ technical skills through mentoring and hands‑on guidance.SkillsTechnical SkillsC#/.NET Framework (WinForm, WPF, ASP.NET)JavaScript, React, HTML5/CSSAPI design, system integration, OO designCode review / design review / documentation best practicesSoft Leadership SkillsStrong communicationskills and cross‑team collaborationAbility to coach,mentor, and manage diverse engineering teamsConflict resolution and performance management experienceAnalytical, open‑minded, and strong problem‑solving mindsetComfortable working in a fast‑paced, evolving technology environmentWork EnvironmentDepartment: HMI / DE / Software Engineering → Application Software Development (ASD)Team size: 20+ and expandingWork model:Hybrid (2 WFH + 3 onsite days per week)Location: HsinchuInclusion and diversityASML 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.