Lead Data Scientist

2 weeks ago

Toronto, Canada Experfy Inc Full time

**Opportunity Description**

We are seeking a Principal Data Scientist with strongly developed expertise in graph-based AI and related technologies to maximize utilization of data and knowledge in data and digital transformation.

**ESSENTIAL EXPERIENCE**:

- Lead - Master's degree in mathematics, computer science, engineering, physics, statistics, economics, computational sciences or a related quantitative discipline and 5+ years of analytical experience in an industrial or commercial setting OR PhD degree with at least 3+ years of industry experience
- DS- Master's degree in mathematics, computer science, engineering, physics, statistics, economics, computational sciences or a related quantitative discipline and 3+ years of analytical experience in an industrial or commercial setting OR PhD degree with industry experience
- Experience AI/ML/NLP modelling of complex datasets.
- Advanced software development skills in at least two of the standard data
science languages (such as Python, R, Scala, C++, Julia) and strong data
manipulations skills (e.g. SQL, NoSQL, graph, etc.)
- Knowledge of SQL and relational databases, query authoring (SQL) and designing variety of databases (e.g. Postgres SQL)
- Comfortable working in cloud and high-performance compute environments (e.g. AWS, Apache Spark) Disciplined AI/ML deployment (MLOps, CI/CD) and Agile delivery
- Experience in coordination of delivery teams and providing feedback to their management
- Excellent written and verbal communication, business analysis, and consultancy skills

**Additional required - deep experience in one of these areas**:

- Graph
- Experience AI/ML modelling of complex datasets, network analysis or
direct experience in creating and maintaining graph data models. Experience
with a variety of graph technologies Knowledge of graph databases like Neo4J (Cypher, causal clusters), JanusGraph (Gremlin, GraphML), AWS Neptune, OrientDB. xpertise in machine learning/deep learning-based graph algorithms relevant to link prediction, ranking/recommendation, completion, community detection, node embedding, etc.
- Familiarity with Deep Learning, neural network architectures including CNNs,
RNNs, Embeddings, Transfer Learning, Attention-based Networks, Statistical
Learning, Restricted Boltzmann Machines (RBMs), Belief Networks, and
Reinforcement Learning
- Deep experience in developing models for private sector or industrial setting e.g.

**Requirements**:
**Lead Data Scientist Responsibilities**:

- Lead data science area deliverables for digital products / programs / initiatives including the allocation of work within the team, monitors the quantitative and qualitative achievements of the team, and reports results
- Work as an individual contributor, providing data science expertise to digital
products / programs / initiatives.
approaches, including unsupervised, supervised, regression algorithms.
- Build models, algorithms, simulations and experiments by writing highly
optimized code and using state-of-the art machine learning technologies.
- Collaborate cross-functionally in teams involved in data driven analytics to
maximize impact of graph-based capabilities
- Build and manage support models incorporated into digital or AI products; Work with Infrastructure and Ops teams to ensure appropriate architecture and tooling
- Capacity to mentor junior personnel
science approaches to business cases and knowledge management tasks
- Strong written and verbal communication skills - ability to communicate complex ideas up to people of varying technical skills
- Work with developers, engineers, and MLOps to deliver AI/ML solutions for new products/services

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