Data Scientist

1 month ago

MumbaiBangalorePune, India Yeah! Global Full time

Job Title : Data Scientist

Overview :


A Data Scientist is a key member of any organization that relies on data to drive decision-making and optimize business processes. The role involves extracting actionable insights from complex datasets, identifying trends, and developing data-driven solutions. Data Scientists combine programming, statistical analysis, machine learning, and domain knowledge to solve complex business problems. Their responsibilities often span data cleaning, model building, data visualization, and communication of results to stakeholders. The role requires a combination of technical expertise and business acumen to turn raw data into strategic opportunities.

Key Responsibilities :

Data Collection and Cleaning :

- Collect, clean, and preprocess large datasets from various sources (databases, APIs, files, etc.).

- Ensure the accuracy and integrity of data through proper validation, error handling, and deduplication.

- Work with unstructured and structured data, handling missing values and dealing with outliers.

Exploratory Data Analysis (EDA) :

- Analyze datasets to understand their characteristics and uncover hidden patterns.

- Use statistical techniques to identify trends, correlations, and anomalies within the data.

- Create visualizations (charts, graphs, dashboards) to present findings in an understandable -manner.

Model Development :

- Build and optimize machine learning models (supervised, unsupervised, and reinforcement learning) based on the business problem.

- Use algorithms such as linear and logistic regression, decision trees, random forests, support vector machines, and neural networks.

- Apply feature engineering techniques to enhance model performance, reducing overfitting and underfitting issues.

Model Evaluation and Optimization :

- Evaluate model performance using metrics like accuracy, precision, recall, F1-score, and AUC-ROC curve.

- Fine-tune models using hyperparameter tuning methods (e.g., grid search, random search).

- Implement cross-validation and bootstrapping to ensure robust model evaluation.

Data Visualization and Reporting :

- Translate complex models and analyses into business-friendly insights.

- Build dashboards and visual reports using tools like Power BI, Tableau, or custom visualizations with libraries such as Matplotlib, Seaborn, or Plotly.

- Communicate results effectively to both technical and non-technical stakeholders.

Collaboration and Consultation :

- Work closely with data engineers, software developers, and other data professionals to ensure the availability and quality of data.

- Collaborate with domain experts and business analysts to translate business problems into data-driven solutions.

- Participate in brainstorming sessions to suggest innovative ways to leverage data for improving processes or solving key problems.

Continuous Learning and Development :

- Stay updated with the latest trends in data science, machine learning, artificial intelligence, and industry tools.

- Implement new methodologies to improve existing models and data workflows.

- Participate in training, attend conferences, and contribute to open-source projects.

Required Skills :

- Programming Languages : Proficiency in Python and/or R, with experience in data manipulation libraries such as Pandas, NumPy, and SciPy.

- Statistical Analysis : Strong foundation in probability, statistics, and linear algebra.

- Machine Learning : Hands-on experience with machine learning frameworks like Scikit-Learn, TensorFlow, or PyTorch.

- Data Visualization : Expertise in data visualization tools and techniques to create clear, concise, and insightful graphics.

- Database Systems : Knowledge of SQL and experience with relational (e.g., MySQL, PostgreSQL) and NoSQL databases (e.g., MongoDB, Cassandra).

- Big Data Tools : Familiarity with Hadoop, Spark, or similar big data platforms is a plus.

- Communication : Excellent verbal and written communication skills to convey complex technical information to non-technical audiences.

Qualifications :

- A bachelor's or master's degree in Computer Science, Data Science, Statistics, Mathematics, or a related field.

- 3+ years of relevant experience in a data science role or related field.

- Experience in deploying models into production environments is highly desirable.

Summary :

Data Scientists play a crucial role in enabling organizations to derive actionable insights from their data. They help solve complex problems by applying cutting-edge techniques in machine learning, data mining, and analytics. This role is perfect for individuals with strong analytical thinking, problem-solving skills, and a passion for working with data.

(ref:hirist.tech)

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