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Sustaining Test Engineer
Tenstorrent is leading the industry on cutting-edge AI technology, revolutionizing performance expectations, ease of use, and cost efficiency. With AI redefining the computing paradigm, solutions must evolve to unify innovations in software models, compilers, platforms, networking, and semiconductors. Our diverse team of technologists have developed a high performance RISC-V CPU from scratch, and share a passion for AI and a deep desire to build the best AI platform possible. We value collaboration, curiosity, and a commitment to solving hard problems. We are growing our team and looking for contributors of all seniorities.
Sustaining Test Engineer providing on-site support at our OSAT partners in Taiwan. This engineer will be the primary technical interface for production test operations, driving yield improvements, resolving manufacturing issues, and ensuring successful deployment of test solutions across all test insertions.
This role is hybrid, based in Taiwan with regular presence at OSAT facilities.
We welcome candidates at various experience levels for this role. During the interview process, candidates will be assessed for the appropriate level, and offers will align with that level, which may differ from the one in this posting.
Who you are
- You hold a BS/MS in EE/ECE/CE and have 5+ years of experience in semiconductor test engineering.
- You have hands-on ATE experience with Teradyne and/or Advantest platforms, ideally across wafer probe, package test, and system-level test.
- You are a strong debugger across hardware, software, and DUT interfaces, comfortable working independently in a fast-paced production environment.
- You communicate clearly with both HQ and OSAT teams, and are fluent in Mandarin with strong English proficiency.
- Experience with advanced packaging and/or automotive quality (AEC-Q100/Q104) is a strong plus.
What we need
- An on-site engineering owner at OSAT to support yield issues, production debug, and NPI-to-volume ramp for multiple products.
- A test expert to validate, deploy, and maintain test programs for wafer sort, package test, and SLT, and to coordinate hardware maintenance, calibration, and equipment qualification with OSAT.
- Someone who can analyze large volumes of test data, perform yield and statistical analysis, and drive data-based decisions on test coverage, yield, and cost.
- A quality-focused engineer familiar with ISO 9001, IATF 16949, AEC-Q100/Q104, and 8D/CAPA, able to lead RMA and customer return investigations to closure.
- A proactive problem-solver who can manage business continuity (equipment failures, material shortages, capacity constraints) and drive quality containment for test escapes and new failure mechanisms.
What you will learn
- How to scale complex products in high-volume OSAT environments, owning the full loop from test program bring-up to mature production.
- Advanced techniques in test coverage optimization, yield improvement, and cost reduction across wafer, package, and system-level test insertions.
- Practical application of automotive and advanced packaging quality flows, including reliability testing and JEDEC qualification in a production context.
- How to operate as a bridge between HQ product/test engineering and OSAT operations, influencing decisions on design-for-test, test strategy, and quality.
- Best practices in building institutional knowledge: documenting failure modes, debug methodologies, and structured improvement plans that shape future product generations.
Tenstorrent offers a highly competitive compensation package and benefits, and we are an equal opportunity employer.
This offer of employment is contingent upon the applicant being eligible to access U.S. export-controlled technology. Due to U.S. export laws, including those codified in the U.S. Export Administration Regulations (EAR), the Company is required to ensure compliance with these laws when transferring technology to nationals of certain countries (such as EAR Country Groups D:1, E1, and E2). These requirements apply to persons located in the U.S. and all countries outside the U.S. As the position offered will have direct and/or indirect access to information, systems, or technologies subject to these laws, the offer may be contingent upon your citizenship/permanent residency status or ability to obtain prior license approval from the U.S. Commerce Department or applicable federal agency. If employment is not possible due to U.S. export laws, any offer of employment will be rescinded.
Ready to apply?
Apply to Tenstorrent
About Appier
Appier (TSE: 4180) is an AI-native Agentic AI as a Service (AaaS) company that empowers businesses to create value through cutting-edge AdTech and MarTech solutions. Founded in 2012 with the vision of “Making AI Easy by Making Software Intelligent,” Appier helps businesses turn AI into ROI through its Ad Cloud, Personalization Cloud, and Data Cloud—each powered by Agentic AI that enables autonomous, adaptive, and real-time decision-making. Today, Appier operates 17 offices across APAC, the US, and EMEA, and is listed on the Tokyo Stock Exchange. Learn more at www.appier.com.
About the Role
We’re on the lookout for an ambitious and technically outstanding Senior Software Engineer, Backend Development to join our Enterprise Solution Engineering Team, Product Recommendation (ES REC). Software engineers at Appier build a wide range of platforms and services that interconnect data and AI with our customers and users. In this role, you will be at the forefront of AI innovation, designing and building scalable backend architecture that delivers personalized experiences.
What You’ll Do
- Key owner of sizable engineering projects and services within the ES REC team.
- Architect and implement AI Agents and agentic workflows to automate decision-making processes and enhance recommendation delivery.
- Build and optimize Machine Learning pipelines for large-scale personalization, ensuring efficient data processing, model serving, and low-latency response.
- Design and operate scalable, cloud-native architectures leveraging managed services (e.g., GKE, BigQuery, or Pub/Sub) to support high-throughput recommendation workflows.
- Architect and operate resilient ML job execution frameworks covering training, inference, and post-processing workflows to ensure system elasticity.
- Define and implement CI/CD pipelines with tools like Jenkins or ArgoCD to enable seamless, automated, and reliable deployments.
- Lead system designs and provide technical guidance to team members.
- Mentor engineers in cross-team development processes.
- Lead code reviews to ensure high quality coding standards.
- Facilitate agile process collaborating with cross-functional teams, including Data Scientists and Product Managers.
- Continuously improve the system's observability, incident management, DevOps and production operational SOPs.
- Profiling and performance tuning of critical components to ensure high performance and scalability.
- Participate in idea brainstorming and contribute ideas to technology, algorithms and products.
About you
[Minimum qualifications]
- 5+ years of experience in software development.
- Proficient in Python or Go.
- Ability to build web services on Linux and good knowledge of Network API Design (REST/GraphQL).
- Proactive, good interpersonal skills, and a strong interest in the MarTech (Marketing Technology) domain and customer-centric product development.
- Open-minded towards using AI tools (e.g., Copilot) to improve coding efficiency.
- Good understanding of SQL/NoSQL databases (MySQL, MongoDB, Redis, etc.).
[Preferred qualifications]
- Hands-on experience with Infrastructure as Code (IaC) tools such as Terraform or Helm to manage cloud resources.
- AI Agent Development: Experience in building applications related to LLMs, multi-agent systems, or RAG architectures.
- Machine Learning Engineering: Understanding of the ML lifecycle—from training and prediction to evaluation and feedback loops.
- Familiarity with LLM orchestration frameworks (e.g., Google ADK, LangChain, AutoGen) and Vector Databases.
- Experience in designing and architecting large-scale distributed systems and data-intensive applications.
- Experience with monitoring and alert systems (e.g., Prometheus, Grafana)
Why Join Appier?
At Appier, you’ll stand at the frontier of AI innovation, working alongside world-class engineers and researchers to create products that transform entire industries. Here, your engineering expertise will directly impact millions of users and drive revolutionary advances in marketing technology. If you’re ready to tackle challenging ML infrastructure problems with passion and creativity, Appier is your ultimate playground!
#LI-AK1
Ready to apply?
Apply to Appier
About Appier
Appier (TSE: 4180) is an AI-native Agentic AI as a Service (AaaS) company that empowers businesses to create value through cutting-edge AdTech and MarTech solutions. Founded in 2012 with the vision of “Making AI Easy by Making Software Intelligent,” Appier helps businesses turn AI into ROI through its Ad Cloud, Personalization Cloud, and Data Cloud—each powered by Agentic AI that enables autonomous, adaptive, and real-time decision-making. Today, Appier operates 17 offices across APAC, the US, and EMEA, and is listed on the Tokyo Stock Exchange. Learn more at www.appier.com.
About the role
Software engineers at Appier build a wide range of platforms and services that interconnect data and AI with our customers and users. As a Senior Software Engineer, Backend Development, you will design and build scalable and performant backend architecture, own and drive the technical roadmap for sizable projects or services, mentor junior engineers, and facilitate high performance agile teams collaborating with cross-functional teams.
Responsibilities
- Key owner of sizable engineering projects and services
- Lead system designs and provide technical guidance to team members.
- Mentor engineers in cross-team development processes.
- Lead code reviews to ensure high quality coding standards
- Facilitate agile process collaborating with cross-functional teams.
- Initiate and lead team-level technical, process and growth initiatives
- Continuously improve the system's observability, incident management, DevOps and production operational SOPs.
- Develop and operate scalable, reliable and maintainable service-based softwares and related components.
- Responsible for laying the foundation for the platform as well as proposing solutions to ease software development, monitoring of software, etc.
- Profiling and performance tuning of critical components
- Participate in idea brainstorming and contribute ideas to technology, algorithms and products
- Participate on-call rotation within Backend team to ensure product reliability and scalability
About you
[Minimum qualifications]
- 5+ years of experience in software development
- Leadership experiences such as mentoring junior engineers, facilitating an agile process.
- Ability to build web services on Linux.
- Proficient in one or more of the following languages: Python/Scala/Go/Java/C++
- Good knowledge of Network API Design ( e.g. REST or GraphQL).
- Good understanding of any SQL/NoSQL database (MySQL / MongoDB / Redis / etc.)
- Familiar with git.
- Familiar with AWS, GCP or Azure.
- Proactive, good interpersonal and problem-solving skills.
[Preferred qualifications]
- BS/MS degree in Computer Science or related field.
- Technical leadership experiences
- Good at profiling and debugging tools.
- High performance network service on Linux.
- Design and architect large scale distributed systems.
- Design and implement distributed algorithms and data structure.
- Expert in some of the following CS Domains:
- Nginx / HAProxy.
- Operation automation tool (such as Ansible).
- Continuous integration / continuous deployment
- Monitoring and alert system (Prometheus / Nagios).
- Functional programming.
- Data Intensive Application Design.
- Web Frontend and Javascript.
#LI-AK1
Ready to apply?
Apply to Appier