New opportunity

Research Scientist (Artificial Intelligence / Computer Science / Machine Learning / Natural Language Processing / Information Retrieval / Data Science)

Nanyang Technological University · Singapore

About this role

The Research Scientist will join the Green AI research team at the Alibaba-NTU Global e-Sustainability CorpLab (ANGEL), a collaboration between Alibaba Group and Nanyang Technological University. The role focuses on efficient, scalable and environmentally responsible foundation models and on translating AI research into sustainability applications.

Responsibilities

  • Research ways to improve the efficiency, scalability and sustainability of large AI models.
  • Design algorithms for efficient training, inference, retrieval and deployment of large language models and multimodal foundation models.
  • Develop AI technologies for sustainability applications and publish findings in leading AI conferences and journals.
  • Collaborate with internal and external researchers and engineers, mentor junior researchers, and contribute to research proposals and strategic initiatives.

Requirements

  • Ph.D. in Artificial Intelligence, Computer Science, Machine Learning, Natural Language Processing, Information Retrieval, Data Science or a closely related discipline.
  • Strong research background in LLMs, Green AI and efficient machine learning, LLM-based agents, distributed AI systems and scalable model serving.
  • Strong publication record in reputable journals or conferences; strong Python programming skills and familiarity with modern AI frameworks such as PyTorch and Hugging Face.
  • Ability to work independently and collaborate across multidisciplinary teams.

The full-time position is based at NTU Main Campus, Singapore. Only shortlisted candidates will be notified.

For full details about this role, click “Apply on company site” to view the employer’s original posting.

Skills for this role

Green AILarge Language ModelsMultimodal foundation modelsEfficient machine learningLLM-based agentsDistributed AI systemsScalable model servingModel trainingModel inferenceInformation retrievalPythonPyTorchHugging FaceResearch publicationResearch proposal developmentMentoringCross-disciplinary collaboration

Your skill match

Checking your profile…

YOUR NEXT STEP

Get interview-ready for this role

A focused preparation guide, built around this job’s responsibilities and requirements.

✦ AI-generated guide
Preparation suggestions, not the employer’s actual interview questions. Always check the original posting for current requirements.
01

Understand the role

What matters most

  • Efficient, sustainable foundation models

    Research Green AI methods that improve the efficiency, scalability and sustainability of large models while maintaining high performance.

  • Algorithms across the model lifecycle

    Design novel approaches to efficient training, inference, retrieval and deployment for LLMs and multimodal foundation models.

  • Sustainability applications

    Develop AI technologies that contribute to sustainability applications and translate research innovations into real-world solutions.

  • Publishable research

    Produce findings for leading AI conferences and journals; the posting also calls for a strong publication record.

  • Research leadership and collaboration

    Work with internal and external researchers and engineers, mentor junior researchers, and contribute to proposals and strategic initiatives.

Likely challenges to think through

  • Balancing performance and resource use

    Likely preparation challenge, not a confirmed employer problem: an efficiency gain may reduce model quality or shift costs elsewhere. Prepare to explain how you would compare quality, compute use and scalability against a clear baseline.

  • Bridging algorithms and deployment

    Likely preparation challenge: a method that works in research experiments may be harder to use for retrieval or scalable serving. Prepare an example of how you would test an algorithm's benefits and limitations beyond its initial setting.

  • Connecting research to sustainability impact

    Likely preparation challenge: a technically novel model improvement does not by itself establish value for a sustainability application. Prepare to distinguish model-level results from application-level outcomes and to explain what evidence each would require.

03

Practice your answers

Technical practice

How would you measure whether a large model is both effective and environmentally responsible?

What to coverThe role focuses on efficiency, scalability, sustainability, and model performance. Suggested preparation: explain how you would report task quality alongside compute, energy use, and throughput, including the boundaries and limitations of each measurement.

How would you design and test a more efficient training algorithm for a foundation model?

What to coverThe posting calls for novel algorithms for efficient training and strong Python and AI-framework skills. Suggested preparation: discuss the proposed mechanism, implementation approach in a framework such as PyTorch, and comparisons that would test whether savings compromise model quality.

What trade-offs would you examine when improving LLM inference efficiency?

What to coverEfficient inference is an explicit responsibility. Suggested preparation: compare latency, throughput, memory use, output quality, and energy use under a clearly defined workload rather than relying on a single speed metric.

How would you evaluate an efficient retrieval method used with a large language model?

What to coverThe role explicitly includes retrieval algorithms for LLMs. Suggested preparation: describe how you would assess retrieval relevance, downstream answer quality, retrieval cost, and the effects of changing the retrieval method.

What changes when designing efficient algorithms for multimodal foundation models rather than text-only LLMs?

What to coverThe posting names both LLMs and multimodal foundation models. Suggested preparation: discuss how modality-specific processing and cross-modal interactions can affect compute, memory, and evaluation, while making clear which modalities your example assumes.

How would you investigate a scalability bottleneck in distributed AI training?

What to coverDistributed AI systems and scalable models are named in the requirements and responsibilities. Suggested preparation: explain how you would distinguish computation, communication, and data-pipeline bottlenecks, then validate any proposed improvement across different scales.

How would you evaluate a scalable, efficient model-serving design?

What to coverThe posting calls for efficient deployment and a research background in scalable model serving. Suggested preparation: describe workload assumptions and trade-offs among latency, throughput, resource use, and reliability, with measurements that show how the design behaves as demand grows.

How would you assess the efficiency of an LLM-based agent?

What to coverLLM-based agents are listed among the relevant research areas. Suggested preparation: consider task success alongside model calls, retrieval or tool-use overhead, latency, and resource consumption; specify the agent workflow assumed rather than attributing one to the employer.

How would you test whether a Green AI method is useful in a sustainability application?

What to coverThe role includes translating AI research into real-world sustainability solutions but does not specify an application. Suggested preparation: choose a clearly hypothetical use case, define its outcome measures and baseline, and distinguish model-efficiency gains from verified sustainability impact.

How would you establish that a proposed efficiency improvement is a publishable research contribution?

What to coverThe role involves developing novel algorithms and publishing in leading AI venues. Suggested preparation: explain the research question, appropriate baselines and ablations, reproducibility of a Python-based implementation, and evidence that the improvement generalizes beyond one setting.

Behavioural practice

Tell me about a time you collaborated across research and engineering disciplines.

What to coverThe role calls for work with interdisciplinary researchers, engineers, and external partners. Suggested preparation: use a real situation, your actions to align different priorities or methods, and the resulting research or delivery outcome.

Describe a research problem you advanced independently despite uncertainty.

What to coverIndependent work is an explicit requirement. Suggested preparation: explain the situation, how you chose experiments or sought evidence, what you changed as results emerged, and the outcome.

Tell me about a time you mentored a junior researcher.

What to coverMentoring junior researchers is a stated responsibility. Suggested preparation: describe the person's research challenge without overstating your role, the guidance you provided, and an observable outcome.

Describe your contribution to a research proposal or strategic research direction.

What to coverThe posting asks the Research Scientist to contribute to proposals and strategic initiatives. Suggested preparation: give a real situation, your contribution to shaping the question or plan, and the result; do not imply a proposal was funded unless that happened.

Tell me about a time critical feedback changed your path to publication.

What to coverPublishing research findings is a core duty, though the posting does not describe an interview process. Suggested preparation: recount the situation, how you assessed and acted on the feedback, and what happened to the work afterward.

02

Sharpen your knowledge

Topics to prepare

  • Green AI trade-offs

    Compare two approaches to reducing a large model’s compute needs while preserving performance; explain how you would evaluate efficiency, scalability and environmental impact. The posting explicitly centers research on all three.

  • Efficient foundation-model algorithms

    Sketch one research idea each for more efficient training, inference and retrieval, and identify what changes for a multimodal model. The role explicitly calls for novel algorithms across these stages for LLMs and multimodal foundation models.

  • Distributed AI and scalable serving

    Diagram a distributed model-serving design and reason through its throughput, latency and resource trade-offs. Distributed AI systems and scalable model serving are named research areas.

  • LLM-based agents

    Explain an agent workflow, where model calls and retrieval add cost, and how you would test an efficiency improvement. LLM-based agents are explicitly listed in the research background sought.

  • Sustainability research framing

    Outline a research question that connects an efficient foundation model to a sustainability application, separating the model result from the application outcome. The role calls for translating AI research into sustainability solutions; the question is a preparation suggestion, not a specified project.

Skills to revise

  • Python and AI-framework prototyping

    As a practice exercise, implement a small training or inference comparison in Python using PyTorch or Hugging Face, then explain the code and results. The posting explicitly requires strong Python and modern AI-framework skills and names these frameworks as examples.

  • Efficiency experiment design

    Draft an experiment table with a baseline, an algorithm change, quality results and resource-use measurements. This is a suggested way to prepare for the stated work on efficient training, inference, retrieval and deployment, not a prescribed evaluation protocol.

  • Research publication communication

    Practice presenting a research contribution in five minutes: problem, novelty, evidence, limitations and publication-worthy takeaway. The role calls for publishing in leading AI venues and asks for a strong publication record.

  • Proposal development

    Draft a one-page research-proposal outline with a question, method, evaluation plan and sustainability relevance. Contributing to research proposals and strategic initiatives is an explicit responsibility.

  • Collaboration and mentoring

    Rehearse explaining a technical research decision to a researcher from another discipline, then outline how you would guide a junior researcher through a bounded experiment. The posting explicitly calls for multidisciplinary collaboration and mentoring.

04

Your preparation checklist

  • Map the stated requirements to evidence

    Prepare a one-page reference to your Ph.D. field, relevant research in Green AI and large models, publications, and Python and AI-framework work. The posting names these areas; use only evidence you can substantiate.

  • Build a research project walkthrough

    Select a relevant LLM or multimodal project and prepare a concise account of the research question, your contribution, experimental results, efficiency and scalability trade-offs, and limitations. Include sustainability measurements if you have them.

  • Practice an efficient-model design exercise

    Sketch a proposed approach to improving training, inference, retrieval, or deployment for a large model. Explain baselines, evaluation measures, resource costs, and how you would test whether the approach preserves performance. This is preparation for the role’s research focus, not a stated interview task.

  • Prepare a technical implementation example

    Have a Python example ready to explain, preferably using PyTorch or Hugging Face, showing key implementation choices, reproducibility checks, and what you learned from testing it. These tools are named in the requirements.

  • Document research leadership and collaboration

    Prepare brief examples of independent research, multidisciplinary work, mentoring junior researchers, and contributions to proposals or strategic initiatives where applicable. Specify your role and the resulting output without implying experience you do not have.

  • Draft questions for the Green AI team

    Ask how ANGEL prioritizes research versus sustainability applications, evaluates model efficiency and environmental impact, and coordinates work with internal and external partners. These questions follow from the advertised responsibilities; the posting does not supply the answers.

AI-generated from the job information · Prepared Sep 30, 2026 (UTC)Useful preparation, not a guarantee of eligibility or an offer.

Availability last checked: 4 Nov 2026. Status can change after a check; confirm on the employer’s website. Report an issue · Our checking policy

KEEP EXPLORING

Similar AI jobs

Related skills and specializations in Singapore. Matched to this role, not your profile.

Explore more jobs
Finding similar opportunities…