TETRAHED INC
Website:
tetrahed.com
Job details:
Data Analyst
Job Description
Job Summary:
We are seeking a detail-oriented and highly skilled Data Analytics Specialist to join our
growing analytics team. The ideal candidate will have strong expertise in SQL, BI tools, and
scripting(Python / AppScript), and will play a crucial role in deriving actionable insights from
large volumes of structured and unstructured data. This role involves collaborating across
business teams to drive strategic decisions through data.
Key Responsibilities
Data Analysis & Insights
Analyze large datasets to identify trends, patterns, and business insights.
Perform exploratory data analysis (EDA) using SQL, Python, PySpark .
Support A/B testing design, execution, and analysis for product/marketing initiatives.
Reporting & Visualization
Develop, maintain, and optimize interactive dashboards and reports using
quicksight, or Looker.
Create calculated fields, parameters, and custom visualizations in BI tools.
Automate recurring reports to improve efficiency.
Optimize dashboard efficiency.
Data Extraction & Processing (ETL)
Write and optimize complex SQL queries (joins, subqueries, window functions)
across databases (MySQL, BigQuery).
Extract, clean, and transform data from structured/unstructured sources.
Implement and maintain data quality checks at each stage of the ETL process to
ensure accuracy and consistency across reports.
Optimize query performance.
Collaboration & Stakeholder Management
Partner with business teams (travel) to define KPIs and deliver data-driven solutions.
Present findings to stakeholders in a clear, actionable manner.
Identify and resolve data quality issues in collaboration with engineering teams.
Optimize query performance and dashboard efficiency.
Data Analyst Job Description
Technical Skills Required:
Core Tools & Languages
SQL: Advanced querying (joins, subqueries, CTEs), performance tuning, and
optimization.
BI Tools: Quicksight, or Looker (calculated fields, parameters, dashboard design).
Spreadsheets: Excel/Google Sheets (VLOOKUP, pivot tables, macros, Google Apps
Script).
Programming: Python/PySpark (for data cleaning, manipulation, and basic
automation).
Databases & Warehousing
SQL Databases: MySQL(Preferred).
NoSQL (Nice-to-have): DynamoDB.
Cloud Data Warehouses: BigQuery.
Cloud Services: S3,Athena,RDS
Bonus Skills
Cloud Platforms: AWS (S3, Glue), GCP.
Nice-to-Have
Domain experience (e.g., Travel, Leisure).
Knowledge of data modelling
Scripting automation (Python/PySpark).
Skills: python,s3,bi,etl,travel domain,aws,pyspark,quick sight,dashboard,sql
Click on Apply to know more.