Company Overviews

JASMは、TSMCが過半数を出資し、熊本県に設立した半導体受託製造子会社です。TSMCにとって日本初となる工場で、ソニーセミコンダクタソリューションズ株式会社、株式会社デンソー、トヨタ自動車株式会社が少数株主として参画しています。

日本のお客様からの堅調で持続的な需要に応え、JASMは2024年末に良好な歩留まりで量産を開始しており、熊本から日本のお客様にスペシャリティ・テクノロジーを提供しています。

JASMは、最高水準のスペシャリティ半導体技術を提供することで、日本のイメージセンサー、自動車、その他の産業分野におけるイノベーションを促進するとともに、日本国内における間接材の調達を推進し、日本における先端半導体エコシステムの確立に貢献してまいります。

Rating Reviews

Rating is calculated based on 9 reviews and is evolving.

Featured Reviews

Software Engineer
4.0
16 September 2026
Solid Semiconductor Role with Good Stability
Pros: JASM provides a very stable work environment, which is a big plus in the semiconductor manufacturing sector. I appreciate the consistent workflow and the strong sense of job security. The team culture is generally collaborative, and there are genuine opportunities to learn and grow technically within the company. Management is usually responsive to issues raised by the team.
Cons: While work-life balance is manageable, there can be periods of intense pressure, especially during project deadlines. Improvements could be made in streamlining some internal processes to reduce unnecessary workload. Occasionally, communication across departments could be more fluid to avoid minor delays.
Advice to Management: Consider further optimizing inter-departmental communication and standardizing some project management tools to enhance efficiency.
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Software Engineer
3.9
21 September 2026
Steady Semiconductor Work with Some Bureaucratic Hurdles
Pros: The team I worked with was incredibly collaborative and supportive. There's a real sense of shared purpose, especially on critical projects in the semiconductor manufacturing sector. The stability JASM offers in this industry is a major plus, providing a secure career path. Exposure to cutting-edge processes is standard.
Cons: While the core technical work is engaging, internal processes and decision-making can feel a bit slow. Getting new tools or software approved sometimes takes longer than expected, which can impact efficiency for a software engineer. Some communication across departments could also be more streamlined.
Advice to Management: Streamline approval processes for new software and tools to boost engineering efficiency. Enhance cross-departmental communication to ensure smoother project execution.
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Software Engineer
3.9
28 September 2026
Engaging semiconductor work with minor time crunch concerns
Pros: The technical challenges at JASM are significant and rewarding, especially working on cutting-edge semiconductor technologies. My colleagues are knowledgeable and always willing to help, creating a really supportive team environment. We have a decent amount of autonomy in our day-to-day tasks, which is great for productivity. The opportunities to learn new skills in a specialized industry are definitely a highlight.
Cons: While the core team is great, inter-departmental communication can sometimes be slow, leading to minor delays on cross-functional projects. The pressure to meet aggressive deadlines can occasionally spill into evenings or weekends. It would be beneficial to have clearer project roadmaps communicated further in advance.
Advice to Management: Continue fostering the collaborative spirit. Perhaps implement more robust project planning tools and better cross-team communication channels to streamline workflows and manage expectations.
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Common Questions About JASM

How does J.A.S.M. ensure pay equity across different roles in their tech teams in Austin?
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