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Exponentia Team
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Sigma Engineer

Sigma Engineer

Exponentia Team

1 - 7 years

6 - 10 Lacs

mumbai

Posted:1 week ago| Platform:

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Skills Required

sql queries backend data modeling data security data structures data visualization microsoft business intelligence sql python

Work Mode

Work from Office

Job Type

Full Time

Job Description

We are looking for a technical Sigma Engineer to lead the architecture and development of our modern BI stack. You will be responsible for the end-to-end data journey from optimizing backend data structures in Databricks to crafting high-performance, interactive workbooks in Sigma Computing.

The successful candidate will have a "backend-first" mindset, ensuring that SQL queries are highly performant and that Databricks Unity Catalog is leveraged for governed, scalable self-service analytics.

Key Responsibilities

Databricks Integration & Backend Optimization

Connection Management: Configure and maintain native connections between Sigma and Databricks (SQL Warehouses), utilizing OAuth and Service Principals for secure access.
Query Engineering: Write and optimize complex SQL queries directly against the Databricks Lakehouse, ensuring low-latency performance for end-users.
Data Modeling: Design and build "Golden Datasets" and Sigma Data Models that mirror backend Delta Lake structures (Medallion Architecture: Bronze, Silver, Gold).
Writeback Implementation: Implement Sigma s Input Tables and Writeback features to allow business users to augment Databricks data within governed guardrails.

Visualization & Analytics Design

Interactive Dashboards: Build sophisticated Sigma Workbooks that utilize parameters, complex calculations, and dynamic filtering.
Visual Storytelling: Translate complex datasets into intuitive visualizations (using Sigma s spreadsheet-like UI) that allow users to drill down into billion-row datasets.
User Empowerment: Enable self-service by building reusable elements and templates that business stakeholders can use to explore data without writing code.

Performance & Governance

Optimization: Monitor query performance in Databricks and optimize Sigmas SQL generation to reduce compute costs and improve speed.
Data Governance: Ensure data security and access controls are consistent between Databricks Unity Catalog and Sigma s workspace permissions.

Ideal Candidate Profile

Sigma Expertise: Advanced proficiency in Sigma Computing (Workbooks, Datasets, Actions, and Writeback).
Databricks Mastery: Hands-on experience with Databricks SQL, Spark SQL, and Delta Lake. Understanding of Unity Catalog is a major plus.
Backend Foundations: Strong grasp of data structures, indexing, and partitioning strategies in a cloud data warehouse environment.
SQL Ninja: Expert-level SQL skills, including the ability to debug and optimize complex joins and window functions.
BI Design: A portfolio or proven experience in UI/UX for data visualization, focusing on clarity, speed, and usability.
Bonus Skills: Experience with dbt (Data Build Tool) for modular data modeling and Python/PySpark for advanced data engineering.

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Exponentia Team

Business Consulting and Services

Mumbai Maharashtra

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Sigma Engineer