Senior Data Analyst

Responsibilities

• Build and maintain ETL pipelines to process large datasets from APIs, databases, and third-party platforms
• Automate data preprocessing, including cleaning, normalization, and validation, to ensure high data quality
• Develop data models to extract and classify metadata from unstructured documents to forecast market dynamics
• Design interactive Tableau dashboards to visualize KPIs, trends, and patterns for stakeholders
• Conduct advanced data analysis using segmentation, clustering, and regression to support market intelligence and pricing strategies
• Collaborate with business, product, and engineering teams to translate business challenges into actionable data projects

Requirements

• Master of Science in Data Science, Business Analytics, or a related field
• Minimum 1 year of experience in large-scale data processing, predictive modeling, or quality management
• Proficiency in Python and SQL (PostgreSQL, MySQL, or NoSQL)
• Expertise in designing interactive dashboards using Tableau
• Experience with cloud-based data platforms such as Databricks or AWS
• Familiarity with machine learning libraries including Scikit-learn, XGBoost, LightGBM, or NLP
• Experience with ETL tools like Apache Airflow and working in Agile environments

Benefits

• Medical, vision, and dental insurance
• 401(k) plan with company matching
• Life and accidental death and dismemberment insurance
• HSA (with high deductible plan) and FSA
• Flexible paid time off and holidays

About the Company

CertiK is a leading Web3 security company focused on securing blockchain protocols, smart contracts, and decentralized applications. Founded in 2017 and headquartered in New York City, CertiK provides end-to-end security solutions including smart contract audits, on-chain monitoring, and incident response. Supported by leading investors like Goldman Sachs and Sequoia Capital, CertiK serves thousands of enterprise clients and Web3 projects globally.