Senior Data Scientist II

Cape Town, South Africa
Python AWS GCP Deep Learning PyTorch Azure Keras SQL Pandas NumPy TensorFlow OpenCV Machine Learning API Torch

About Us

At LexisNexis we develop the legal profession’s most innovative products for data analysis, visualization, and research. We use the latest techniques in AI, machine learning, and data visualization to uncover insights about judges’ rulings, build forecasts of likely outcomes, and reveal critical connections in massive datasets spanning the law, news, and finance.

About the Role:

The Senior Data Scientist will play a crucial role in ensuring the accuracy and efficacy of our primary data entities. They will lead the team in developing innovative strategies for extracting knowledge and pinpointing specific data information. The ideal candidate will have a strong background in computer vision and natural language processing (NLP) and will be able to quickly grasp complex data resources to define models for legal and professional entities. Leadership skills are essential for guiding team members on data science modeling and deployment processes.


  • Develop innovative strategies for extracting information from multiple modalities for entities.

  • Collaborate with cross-functional teams to integrate computer vision and NLP solutions into our products.

  • Define ML algorithms and APIs to quickly evaluate alternatives.

  • Enhance computer vision and NLP techniques to connect data locked inside PDFs, images, and text files for extracting and associating data.

  • Manage, validate, and deploy custom models for extraction and machine learning.

  • Integrate models into existing extraction and processing pipelines.

  • Write queries and reports to validate extraction models and processing models.

  • Perform cost analysis to determine optimal models that balance model success with processing costs.

  • Document all models and provide APIs to quickly test and validate models and model changes.

  • Mentor junior data scientists and provide technical leadership in computer vision and NLP projects.


  • 4+ years of experience using Machine Learning and associated python packages like scikit-learn, pandas, Numpy.

  • Proficiency training large-scale models in at least one modern deep learning engine such as PyTorch/Torch, Tensorflow, Keras.

  • Knowledge of computer vision libraries such as OpenCV for image processing, feature extraction, and object detection and Stanford NLP, spaCy, Gensim for text analysis.

  • Hands-on experience with deploying models on cloud technology such as AWS, Azure, Google Cloud Platform (GCP), etc.

  • Proficient in Python programming.

  • Intimate familiarity with SQL query language.

  • Ability to provide guidance and training to engineers and other team members.

  • Ability to communicate and present to stakeholders, product team, and technical experts.

  • Documentation skills for processes and procedures.

Preferred Qualifications:

  • Masters Degree or higher with a focus in NLP, Computer Vision and/or Machine Learning.

  • Experience specifically with AWS products.

  • Experience with annotation tools such as Prodigy, Label Studio, etc.

  • Experience in an Agile environment.

Work in a way that works for you

We promote a healthy work/life balance across the organization, with various flexible and remote working options available to employees.

Working with Us

LexisNexis Legal & Professional is proud to be an equal-opportunity employer. We are committed to equal opportunity employment regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. Together, we are building a diverse and inclusive workplace.

Working for you

We believe in a healthy work/life balance. We know that your well-being and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer:- Comprehensive, multi-carrier health plan benefits- Disability insurance- Dependent care and commuter spending accounts- Life and accident insurance- Retirement benefits (salary investment plan/employer stock purchase plan)- Modern family benefits, including adoption and surrogacy.

About our Team

LexisNexis is a data and analytics company with 10,500 colleagues serving customers in more than 150 countries. We’re one of the largest information and analytics companies on the planet. We design solutions that help our customers increase productivity, improve decision-making and outcomes, and be more successful.

LexisNexis, a division of RELX Group, is an equal opportunity employer: qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law. We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form: , or please contact 1-855-833-5120.

Please read our Candidate Privacy Policy.

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