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Innodata Inc.
·
November 5, 2025
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Prompt Engineer (LLM Automation for Data Labeling & Localization)

Ridgefield Park, NJ
Full-time
Onsite
Entry, Mid Level
Innodata Inc. is building a team of prompt engineers to harness the power of LLMs for automating data annotation and human evaluation workflows. The role involves collaborating with cross-functional teams to design effective prompt solutions that improve data labeling and translation processes.
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Responsibilities

  • Collaborate with data scientists, linguists, and localization experts to ensure accuracy and cultural relevance.
  • Prototype and validate AI models to demonstrate initial feasibility, potential impact, and overall effectiveness.
  • Design, develop, and implement prompts for data labeling and localization processes within software applications.
  • Understand the current components of the software stack, use cases and problems and iterate on solutions leveraging a solid knowledge of data structures, data formats, and data modeling.
  • Conduct user testing and feedback analysis to optimize prompt design for data accuracy and linguistic consistency.
  • Analyze model performance using key performance indicators (KPIs) and metrics, ensuring that AI models meet customer acceptance criteria and deliver high-quality outputs.
  • Communicate technical findings and solution strategies to both technical and non-technical stakeholders, including presenting model performance and actionable insights in a clear, accessible manner.
  • Collaborate on data pipelines and workflows that integrate LLMs into automated systems, enhancing both the efficiency and effectiveness of data annotation tasks.
  • Create guidelines and training materials for prompt usage in data labeling and localization projects.
  • Stay informed on data labeling and localization industry trends and tools to enhance prompt engineering techniques.

Qualification

Required

  • Deep understanding of LLMs (e.g. transformer-based architectures).
  • Demonstrated experience programmatically using LLMs to automate data labeling, classification, localization and annotation tasks.
  • Strong expertise in Python for NLU, for data processing & transformation, and for statistical analysis. Familiarity with JSON, Javascript or XML.
  • Experience with popular frameworks and libraries, including TensorFlow, PyTorch, Jupyter, and other relevant AI/ML tools.
  • Familiarity with APIs and platforms for working with LLMs (e.g., OpenAI, Hugging Face, etc.).
  • Knowledge of localization best practices and cultural nuances for different languages and regions.
  • Strong understanding of LLM evaluation metrics and the ability to assess model reliability, bias, and generalizability.
  • Experience working with data pipelines, automation tools, and integrating models into production systems to ensure scalable, reliable solutions.
  • A collaborative mindset with the ability to solve complex technical challenges and work independently as needed.
  • Exceptional attention to detail and a commitment to delivering high-quality, reliable AI solutions.
  • Appreciation for issues of Diversity, Equity, and Inclusion in AI.
  • Bachelor’s degree or higher in Computer Science, Artificial Intelligence, Machine Learning, Linguistics, Localization or a related field.

Preferred

  • 2 years of prompt engineering / LLM fine-tuning, or related AI/ML roles.
  • Familiarity with tools/platforms for annotation and human-in-the-loop workflows (e.g., Labelbox).
  • Experience designing and automating data annotation workflows.
  • Knowledge of data annotation and the challenges of scaling human-in-the-loop workflows.
  • Familiarity with cloud platforms, containerization, and model deployment.
  • Knowledge of another language.

Benefit

(NASDAQ: INOD) Innodata is a global data engineering company. We believe that data and AI are inextricably linked.
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Founded in 1988
Hackensack, New Jersey, USA
5001-10000 employees
http://www.innodata.com