Lead Test Systems Development Engineer - 2025-49

ueiHai Duong City - Vietnam

On-site Full-time

Clicking Apply Now takes you to AutoApply where you can tailor your resume and apply.

Experience Level

Manager

Qualifications

Key Responsibilities: Report directly to the TSD manager and collaborate with an international team of test systems development engineers. Act as a resident expert in production testing and automation. Lead, mentor, and inspire engineers to achieve production test goals. Explore and implement innovative production test methods to enhance testing efficiency. Work collaboratively within the TSD team to meet production test objectives. Develop RF test tools for technologies such as BT, BLE, WIFI, ZigBee, and RF4CE. Standardize test methodologies for specific features. Communicate effectively with internal and global departments. Drive continuous improvement in testing aligned with industry best practices. Focus on enhancing yield, reducing cycle time, and improving cost and quality metrics.

About the job

Position Overview

Join our dynamic international test development team as a Lead Test Systems Development Engineer. We are looking for a proactive, skilled, and motivated professional with substantial experience in test systems development.

In this senior role, you will collaborate with a dedicated group of electrical test engineers, engaging in hands-on electrical development, debugging, and optimization to facilitate New Product Introduction (NPI) test station development.

The ideal candidate will possess a strong production test and automation background, with expertise in automating testing processes within a high-volume consumer electronics setting. Familiarity with quality assurance practices for production test stations is advantageous.

This high-profile position will involve close collaboration with various departments including product design engineering, production engineering, quality engineering, and operations throughout product development, NPI, and mass production phases.

About uei

uei is a forward-thinking organization dedicated to innovation in test system development for consumer electronics. We pride ourselves on fostering a collaborative environment that encourages professional growth and excellence.

Similar jobs

Browse all companies, explore by city & role, or SEO search pages. View directory listings: all jobs, search results, location & role pages.

1 - 20 of 705 Jobs

Search for Freelance Optical Engineer for AI Systems Development

705 results

Select all on this page (20)

Apply

Freelance Optical Engineer for AI Systems Development

toloka-ai

Part-time|$35/hr - $35/hr|Remote|Remote — Vietnam

Please submit your CV in English and indicate your English proficiency level. toloka-ai, working with Mindrift, offers project-based freelance roles for professionals in Vietnam with expertise in optics and physics. This remote contract position supports AI system development by designing and evaluating challenging problems rooted in real-world research. The…

Apr 24, 2026

Apply

Optical Engineer - Freelance AI Trainer

Toloka AI

Part-time|$35/hr - $35/hr|Remote|Remote — Vietnam

Please submit your CV in English and specify your English proficiency level.Toloka AI is at the forefront of AI technology, connecting skilled professionals with exciting project-based opportunities in collaboration with top tech firms. Our focus lies in the testing, evaluation, and enhancement of AI systems. Note that participation is on a project basis, rather than permanent employment.What You Will DoEach project presents unique challenges, and contributors may be involved in activities such as:Creating original optics problems that replicate authentic physics research workflows;Ensuring problems are computationally demanding and cannot be solved manually within reasonable timeframes (days/weeks);Developing issues that necessitate complex reasoning across mechanics, electromagnetism, thermodynamics, and quantum mechanics;Grounding problems in actual research challenges or practical applications drawn from optics and physics;Clearly documenting problem statements and providing verified correct solutions.Who We Are Looking ForThis opportunity is ideal for optical engineers seeking part-time, non-permanent projects. The ideal candidate will possess:A degree in Physics (Theoretical, Experimental, or Computational) or related fields;At least 2 years of professional experience in applicable areas such as applied research or teaching;Familiarity with numerical simulation methods;Ability to design problems that reflect real-world physics research workflows;Innovative thinking in problem design across various physics fields;Knowledge of physics modeling and approximation techniques;Strong written English skills (C1+).How the Process WorksApply → Pass qualifications → Join a project → Complete tasks → Get compensated.Project CommitmentDuring active phases, tasks are estimated to require approximately 10–20 hours per week based on project needs. This is an estimate and not a guaranteed workload.CompensationContributors can earn up to $35 per hour, depending on their expertise and contribution speed. Compensation may vary across projects based on their complexity and requirements.

May 2, 2026

Apply

Legal Advisor (US Bar Admitted) - Freelance AI Trainer

Mindrift

Part-time|$44/hr - $44/hr|Remote|Remote — Vietnam

Please submit your CV in English and include your English proficiency level. Mindrift connects professionals with project-based AI work for technology companies. This freelance, project-based position focuses on testing, evaluating, and improving AI systems. The role is not permanent. Role overview The Legal Advisor (US Bar Admitted) - Freelance AI Trainer works on AI development projects. Assignments may change, but typical responsibilities include: Designing prompts to test AI performance Reviewing AI-generated legal content for accuracy, assumptions, and reasoning Improving AI reasoning to align with core legal principles and standards Evaluating complex, multi-step problem-solving using structured criteria Requirements Law degree relevant to the US (Bachelor, J.D., LLM, or FLLM) At least 2 years of legal practice in the US Strong written English (C1/C2 level) Stable internet connection Who this role suits This project fits legal consultants or attorneys with experience in US law who want flexible, part-time work. Project commitment During active phases, expect to contribute about 10 to 20 hours per week. Actual hours may vary based on project needs. Application process Application Qualification assessment Project onboarding Task completion Compensation Compensation Contributors may earn up to $44 per hour, depending on expertise and pace. Pay varies by project scope, complexity, and required skills.

Apr 24, 2026

Apply

Freelance Research Physicist & AI Trainer

Mindrift

Part-time|$35/hr - $35/hr|Remote|Remote — Vietnam

Please submit your CV in English and specify your English proficiency level. Mindrift offers project-based contract work connecting specialists with AI-focused projects for technology clients. Assignments center on testing, evaluating, and improving AI systems. This is not a permanent employment offer, but contract work tied to specific projects. Role overview This freelance, remote position is open to candidates based in Vietnam. As a Research Physicist & AI Trainer, project tasks will vary, but typically involve designing and documenting advanced physics problems for AI training and evaluation. Create original optics problems that reflect real research workflows in physics. Design computationally demanding problems that require days or weeks to solve, beyond manual calculation. Develop challenges in mechanics, electromagnetism, thermodynamics, and quantum mechanics that require advanced reasoning. Base assignments on real research obstacles or practical applications in optics and physics. Clearly document problem statements and provide verified solutions. Requirements Degree in Physics (theoretical, experimental, or computational) or a closely related discipline. Minimum of 2 years' experience in applied research or teaching. Familiarity with numerical simulation methods. Ability to design problems that mirror real research practices in physics. Creative problem-solving skills across multiple domains of physics. Experience with physics modeling and approximation techniques. Strong written English skills at C1 level or above. Project workflow Apply Pass qualification steps Join a project Complete assigned tasks Receive payment Time commitment During active projects, expect to dedicate approximately 10–20 hours per week. Workload may change outside of active project periods, depending on project availability. Compensation Earnings can reach up to $35 per hour, depending on expertise, pace, and project complexity. Actual rates may vary based on the specific project and required skills.

Apr 24, 2026

Apply

Freelance Legal Consultant (US Law) - AI Trainer

toloka-ai

Part-time|$44/hr - $44/hr|Remote|Remote — Vietnam

We invite you to submit your CV in English, including your level of English proficiency.At Mindrift, we specialize in connecting talented professionals with project-based AI opportunities at leading technology companies. Our focus is on enhancing, evaluating, and improving AI systems. Please note: Participation is based on project engagement rather than permanent employment.Role Overview:The tasks involved in each project are diverse. As a contributor, you may be responsible for:Creating prompts that effectively challenge AI capabilities;Assessing AI-generated outputs for accuracy, logical consistency, and underlying assumptions;Enhancing AI reasoning to align with foundational principles and established standards;Utilizing structured scoring criteria to evaluate complex problem-solving skills.Candidate Profile:This position is ideal for legal consultants and attorneys with experience in US law who are open to part-time, project-based roles. We are looking for candidates who meet the following criteria:A law degree (Bachelor, J.D., LLM, FLLM) relevant to the US legal context;At least 2 years of legal practice experience within US jurisdiction;Exceptional written English skills (C1/C2 level);A reliable internet connection.How to Get Started:1. Apply → 2. Pass qualifications → 3. Join a project → 4. Complete assigned tasks → 5. Receive paymentProject Commitment:During active phases, tasks are estimated to require approximately 10–20 hours per week, depending on project specifications. This is an estimate and not a guaranteed workload.Compensation:Contributors can earn up to $44 per hour, based on their skill level and the pace of their contributions. Compensation may vary across different projects, depending on their complexity and expertise required.

May 1, 2026

Apply

Senior Consultant (MBB & Top-Tier Firms) - Freelance AI Project

toloka-ai

Contract|Remote|Remote — Vietnam

toloka-ai seeks a Senior Consultant for a freelance project focused on AI. This position is open to professionals based in Vietnam and offers the flexibility of remote work. Role overview This role draws on experience from top consulting firms, including MBB, to guide the development of AI solutions. The Senior Consultant will work closely with specialists from various backgrounds to influence project direction and results. What you will do Use insights and methods gained at MBB or other leading consultancies to steer AI project development Partner with a range of experts to help shape key project decisions and outcomes Requirements Background in consulting at MBB or another top-tier firm Proven ability to deliver on complex assignments Comfort working independently and as part of a distributed, remote team Location This is a remote role for candidates based in Vietnam.

Apr 28, 2026

Apply

Freelance Legal Advisor (US Bar Admitted) - AI Trainer

Mindrift

Part-time|$44/hr - $44/hr|Remote|Remote — Vietnam

Please submit your CV in English and indicate your level of English proficiency.Mindrift connects highly skilled professionals with project-based AI opportunities for prominent technology companies, focusing on the testing, evaluation, and enhancement of AI systems. This is a project-based role and not a permanent position.Opportunity OverviewWhile each project presents its own unique challenges, contributors may be involved in the following tasks:Crafting prompts that challenge AI systems.Assessing AI-generated outputs for accuracy, underlying assumptions, and logical consistency.Refining AI reasoning to ensure adherence to first principles and established standards.Utilizing structured scoring systems to evaluate multi-step problem-solving capabilities.Ideal Candidate ProfileThis role is ideally suited for legal consultants or attorneys with experience in US law who are interested in part-time, non-permanent engagements. Preferred qualifications include:A law degree (Bachelor, J.D., LLM, FLLM) recognized in the US.A minimum of 2 years of legal practice within the US jurisdiction.Proficient written communication skills in English (C1/C2 level).A reliable internet connection.How to Get InvolvedApplication → Qualification Process → Project Assignment → Task Completion → PaymentProject CommitmentDuring active phases, tasks are estimated to require approximately 10-20 hours per week, based on specific project needs. This estimate may vary and is not a guaranteed workload.CompensationContributors can earn up to $44 per hour, contingent on their level of expertise and pace of contributions. Please note that compensation may differ across projects based on their complexity and the expertise required.

May 2, 2026

Apply

Lead Test Systems Development Engineer - 2025-49

uei

Full-time|On-site|Hai Duong City - Vietnam

Position Overview Join our dynamic international test development team as a Lead Test Systems Development Engineer. We are looking for a proactive, skilled, and motivated professional with substantial experience in test systems development. In this senior role, you will collaborate with a dedicated group of electrical test engineers, engaging in hands-on electrical development, debugging, and optimization to facilitate New Product Introduction (NPI) test station development. The ideal candidate will possess a strong production test and automation background, with expertise in automating testing processes within a high-volume consumer electronics setting. Familiarity with quality assurance practices for production test stations is advantageous. This high-profile position will involve close collaboration with various departments including product design engineering, production engineering, quality engineering, and operations throughout product development, NPI, and mass production phases.

Dec 9, 2025

Apply

Vietnamese Language Specialist for AI Training (Freelance)

Agency

Contract|$6/hr - $65/hr|Remote|Vietnam

Join us as a Vietnamese Language Specialist and play a pivotal role in shaping the future of artificial intelligence! We are on the lookout for candidates who are not only proficient in the Vietnamese language but also have access to Android devices for a groundbreaking AI training project. This initiative aims to transform advanced language models into sophisticated tools for linguistic exploration. With your contribution, we can enhance AI technology to provide world-class education, keep up with innovative research, and improve communication and translation services for Vietnamese speakers globally.Your expertise in Vietnamese grammar, syntax, morphology, semantics, phonetics, and pragmatics will be essential. You will engage with advanced language models on various topics, including dialectal nuances, the contrast between formal and colloquial language, the intricacies of Vietnamese orthography, and the subtleties of translation accuracy and cultural context. Your thorough documentation of challenge areas will aid in refining model reasoning.On a typical day, you will interact with the AI model regarding language scenarios, verify factual accuracy and logical coherence, capture reproducible error traces, and propose enhancements for our prompt engineering and evaluation metrics.A Master's degree or PhD in Vietnamese language, linguistics, or a closely related field is preferred. Relevant experience such as peer-reviewed publications, translation work, or direct involvement in linguistic analysis projects will strengthen your application. Clear and reflective communication is paramount.Are you ready to leverage your Vietnamese language skills to contribute to the AI knowledge base of tomorrow? Apply now and help train the model that will educate the world!

Feb 12, 2026

Apply

Founding Software Engineer at Glacis AI | Ho Chi Minh City

Glacis AI

Full-time|On-site|Ho Chi Minh City

Join Glacis AI as a Founding Software Engineer and be a driving force behind our innovative Agentic AI solutions. In this role, you will leverage your expertise in software development to design, implement, and enhance our AI-driven applications. Work closely with a talented team of engineers and data scientists to build cutting-edge technologies that impact various industries.

Apr 3, 2026

Apply

Vietnamese Language Specialist - Freelance AI Trainer

Agency

Contract|$8/hr - $65/hr|Remote|Vietnam

Are you a Vietnamese language authority ready to influence the future of artificial intelligence? Large-scale language models are transforming from sophisticated chatbots into robust tools for linguistic exploration. With your high-quality training data, the AI of tomorrow can provide world-class education, stay aligned with pioneering research, and enhance communication for Vietnamese speakers globally. Your expertise is crucial in powering the next generation of AI. We are seeking passionate Vietnamese language specialists who are well-versed in phonology, orthography, syntax, semantics, pragmatics, historical linguistics, and sociolinguistics. You will engage with advanced language models on intricate topics such as tonal differentiation, classifier usage, compound formation, dialectal variations, idiomatic expressions, and context-dependent meanings—meticulously documenting every error to strengthen the model's reasoning capabilities. On a typical day, you will interact with the model on various language scenarios, ensure factual accuracy and logical coherence, capture reproducible error traces, and propose enhancements to our prompt engineering and evaluation metrics. Ideal candidates will possess a Master’s or PhD in Vietnamese language, linguistics, or a closely related field. Experience with peer-reviewed publications, translation, interpretation, teaching credentials, or practical linguistic analysis projects will be considered advantageous. Exceptional metacognitive communication skills—“showing your work”—are essential. Are you ready to leverage your Vietnamese language expertise to contribute to the knowledge base of future AI? Apply now and start shaping the model that will educate the world.

Feb 12, 2026

Apply

Product Matching Specialist - Freelance AI Trainer Project

Agency

Contract|Remote|Vietnam

Join our dynamic team as a Product Matching Specialist in a freelance capacity. This role involves training AI systems to enhance product matching accuracy. You will leverage your expertise to improve algorithms and ensure high-quality outputs. Collaborate with our talented team to drive innovation and efficiency in our AI projects.

Apr 1, 2026

Apply

Cantonese Language Specialist - Freelance AI Trainer

Agency

Contract|$8/hr - $65/hr|Remote|Vietnam

Join us as a Cantonese Language Specialist and contribute to revolutionizing the field of artificial intelligence! As a key player in our AI training project, you will utilize your expertise in the Cantonese language to enhance the capabilities of sophisticated language models. These models are transcending traditional chatbot functionalities, evolving into dynamic tools for learning, effective communication, and enriching cultural interactions.Your role will involve curating high-quality training data to ensure that AI can provide authentic, accurate, and contextually relevant Cantonese experiences across various sectors, including education and global communication. By leveraging cutting-edge AI tools, you will critically assess and refine Cantonese text outputs, offering your insights on grammar, syntax, semantics, style, and cultural relevance.Daily tasks will include reviewing and annotating Cantonese content, evaluating AI-generated outputs for precision and fluency, identifying error patterns, and collaborating with our team to enhance prompts, evaluation methodologies, and linguistic guidelines.We seek individuals fluent in Cantonese with a proven background in translation, linguistics, language instruction, editing, or related fields. Experience in training and linguistic annotation is highly valued. Strong communication abilities, cultural insight, and meticulous attention to detail are essential for success in this role.Are you ready to leverage your Cantonese expertise to shape the future of AI? Apply now to help us create tools that will empower millions of Cantonese speakers around the world!

Feb 12, 2026

Apply

LaTeX Specialist (Fluent in Vietnamese) - Freelance AI Trainer

Agency

Contract|$8/hr - $65/hr|Remote|Vietnam

Are you a passionate LaTeX expert fluent in Vietnamese, ready to influence the future of artificial intelligence? As large-scale language models transition from simple chatbots to sophisticated tools for scientific exploration, your expertise in high-quality training data is crucial. This data will empower AI to provide world-class education, improve academic publishing, and simplify document preparation for researchers and professionals globally. Your role will be pivotal in shaping the next generation of AI. We are seeking LaTeX specialists who excel in document typesetting, mathematical formatting, bibliographic management, package customization, template development, and cross-referencing techniques. You will engage with advanced language models on complex topics such as equation formatting, multi-language document support, Beamer presentations, TikZ graphics, package troubleshooting, and collaborative editing workflows, meticulously documenting all failure modes to enhance model reasoning. On a typical day, you will engage with the model on document preparation scenarios and theoretical LaTeX questions, verify formatting accuracy and logical consistency, capture reproducible error traces, and propose enhancements to our prompt engineering and evaluation metrics. A Bachelor’s or Master’s degree in Computer Science, Mathematics, Physics, or a closely related field is highly desirable. Professional experience in academic publishing, technical writing, or scientific communication is a significant advantage. Exceptional metacognitive communication skills—“showing your work”—are essential. Fluency in Vietnamese is a must. Are you prepared to transform your LaTeX expertise into a foundational resource for tomorrow’s AI? Apply today and contribute to training the model that will educate the world.

Feb 12, 2026

Apply

Hmong Language Specialist - Freelance AI Trainer

Agency

Contract|Remote|Vietnam

We are seeking a talented and passionate Hmong Language Specialist to join our dynamic team as a Freelance AI Trainer. In this role, you will leverage your expertise in the Hmong language to assist in the training and development of AI models, ensuring accuracy and cultural relevance.The ideal candidate will possess a strong background in linguistics or a related field, as well as experience in language instruction or translation. This is an exciting opportunity to contribute to cutting-edge AI projects while working remotely from Vietnam.

Mar 13, 2026

Apply

Senior Systems Support Engineer

ThoughtWorks

Full-time|On-site|Ho Chi Minh City, Vietnam

ThoughtWorks Vietnam is currently seeking candidates who possess an immediate right to work in Vietnam (i.e., Vietnamese Citizens).As a Senior Systems Support Engineer, you will be instrumental in maintaining the operational efficiency, stability, and availability of complex application systems. Your contributions will greatly enhance operational success, allow you to refine your skills in incident management and DevOps, and create lasting impacts through innovative solutions for our clients.Key ResponsibilitiesUtilize your expertise in incident management processes and tools, along with application monitoring metrics, to generate insightful reports and implement corrective actions.Navigate through complex application systems to troubleshoot and resolve issues that impact business operations.Adhere to standards and best practices to enhance the operational efficiency, stability, and availability of our systems.Employ continuous delivery practices to support and deliver high-quality software while working collaboratively within value-driven teams to foster innovative customer experiences.Leverage various logging techniques for alerting, monitoring, and root cause analysis of incidents.Effectively utilize DevOps tools and methodologies to deploy and operate software solutions.Act as a mentor to junior team members, sharing your technical knowledge and leadership skills.Apply insights from our Technology Radar to creatively solve client challenges.

Mar 13, 2026

Apply

Senior AI-Driven Product Engineer

Tyme

Full-time|On-site|Hanoi, Hanoi, Vietnam

Overview: Join our innovative team at Tyme as a Senior AI-Driven Product Engineer, where you will leverage artificial intelligence to revolutionize product development. We seek a highly skilled engineer with substantial backend engineering experience, adept at integrating both frontend and backend systems, as well as customer service and operations portals utilizing AI technologies. In this pivotal role, you will champion an AI-first approach to product engineering, continuously re-evaluating existing processes and engineering principles while engaging in rapid experimentation to maximize customer value. This position offers an exhilarating opportunity for individuals eager to push the boundaries of product innovation and AI-infused workflows.Top 5 Reasons to Choose a Career with UsInnovative Environment: Engage with cutting-edge technologies, including Serverless AWS, Java, and Python, in an AI-driven engineering landscape.Significant Impact: Contribute to products that promote financial inclusivity and accessibility in emerging markets.Collaborative Culture: Be part of a progressive team that champions innovation, collaboration, and ongoing learning.Attractive Benefits: Receive a comprehensive benefits package, opportunities for professional growth, and a well-balanced work-life structure.Continuous Learning: Access resources for personal development, including SMART goals, technical workshops, conferences, and training sessions to advance your career.Key Responsibilities:Lead the integration of an AI-first strategy, utilizing AI tools and prompt engineering to streamline processes and enhance time-to-value for our products.Proactively challenge project requirements to ensure we are developing the most relevant and effective solutions.Collaborate closely with a pioneering AI-first product development team to build and scale innovative financial products that deliver substantial impact from the outset.Assume end-to-end ownership of product lifecycle: design, validate, and enhance systems based on customer insights.Innovate with a startup mentality—lead product development from concept to deployment, consistently testing, learning, and refining with each iteration.Manage the complete product lifecycle: prioritize, define, design, build, test, run, and own the product.

Feb 24, 2026

Apply

Senior Backend Engineer / Technical Lead - AI Agents Development

KMS Technology

Full-time|On-site|Ho Chi Minh City

Role overview KMS Technology is hiring a Senior Backend Engineer / Technical Lead in Ho Chi Minh City to focus on AI Agents Development. The position involves building and maintaining backend systems that support advanced AI applications. This work underpins products that rely on strong technical foundations and efficient data processing. What you will do Design and implement backend architectures for products driven by artificial intelligence Maintain and enhance systems to ensure reliable performance and scalability as usage grows Collaborate with teams across disciplines to ensure technical solutions match business goals Lead architectural choices and encourage best practices throughout the development process

Apr 21, 2026

Apply

Process Automation & AI Developer

SOCOTEC VIETNAM

Full-time|On-site|Ba Đình

Join SOCOTEC VIETNAM as a Process Automation & AI Developer, where you will be pivotal in enhancing our automation capabilities. Your role involves qualifying processes suitable for automation within our team:Evaluating both technical and functional complexities.Providing accurate budget and timeline assessments.In this position, you'll be responsible for automating validated processes using N8N:Designing workflows with advanced logic and processing utilizing JavaScript or Python.Performing unit testing and collaborating with teams to validate implementations.Your responsibilities also include monitoring and maintaining automated processes and robots in production environments. You will take charge of optimizing existing processes, particularly those developed in UIPath, ensuring smooth migration to N8N when necessary.Collaboration with the IT Manager is key to identifying automation needs and proposing effective solutions. Additionally, you will document processes, configurations, and best practices while staying informed about advancements in automation and AI technologies.

Mar 5, 2026

Apply

Junior AI Engineer

AvePoint

Full-time|On-site|Hanoi, Hanoi, Vietnam

Job Overview:Join our dynamic team as a Junior AI Engineer and contribute to the development of cutting-edge neural network, machine learning, natural language processing (NLP), and big data technologies. You will work on innovative products including chatbots, search engines, and data analysis systems.Play a pivotal role in collecting, cleaning, and preparing large-scale datasets essential for training AI models.Engage in research and practical application of machine learning, deep learning, and big data technologies to build and refine AI solutions.Assess model performance and recommend optimization strategies to enhance efficiency and effectiveness.Utilize C# and Python to develop and maintain AI-related functions and features.Collaborate with team members on various projects and product implementations, focusing on the integration of AI with big data technologies.Integrate AI services from major cloud platforms including Google Cloud, AWS, and Azure.

Mar 26, 2026

Create account — see all 705 results

Browse all companies, explore by city & role, or SEO search pages. View directory listings: all jobs, search results, or location & role pages.