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Celsior Technologies - Senior Google BigQuery Engineer - SQL/ETL

Celsior Tech
Anywhere in India/Multiple Locations
3 - 5 Years

Posted on: 19/11/2025

Job Description

Position Overview :

We are seeking an experienced Google BigQuery Developer to support a large-scale migration project involving the transition from current to digital applications, modernization of data flows, and integration of cloud-based systems.

The ideal candidate will be proficient in BigQuery, SQL, and GCP services and will work closely with application developers, integration teams, and architects to ensure high-performance, scalable, and reliable cloud data solutions.

Key Responsibilities :

BigQuery & Data Engineering :

- Design, optimize, and maintain BigQuery datasets, tables, views, and analytical models.

- Develop efficient SQL queries, stored logic, and data transformation pipelines in BigQuery.

- Review existing on-prem SQL logic and re-engineer it for BigQuery compatibility.

Application & Integration Alignment :

- Collaborate with .NET developers to integrate BigQuery into backend APIs and data services.

- Work with the ReactJS team to ensure front-end data consumption is optimized and secure.

- Support integration workflows developed in Boomi, ensuring clean and reliable data movement between systems.

Collaboration & Documentation :

- Work closely with architects, project leads, and cross-functional development teams.

- Prepare documentation, data flow diagrams, and data dictionaries.

- Familiar of using tools like JIRA, Confluence, Apigee.

Required Skills & Experience :

Must-Have Skills :

- 3+ years of hands-on experience with Google BigQuery.

- Strong expertise in SQL, query optimization, and analytical workloads.

- Experience with GCP services (Cloud Storage, IAM, Cloud Functions, Pub/Sub, etc.

- Understanding of ETL/ELT pipelines, data warehousing, and performance tuning.

Good-to-Have Skills :

- Experience working alongside .NET developers and familiarity with REST-based API integration.

- Working knowledge of ReactJS data consumption and API patterns.

- Exposure to Boomi or other integration platforms.

- Experience with Liquibase, Git, or CI/CD pipelines.

Soft Skills :

- Strong analytical and problem-solving abilities.

- Excellent communication skills to work with cross-functional teams.

- Ability to work in a fast-paced, enterprise environment.

- Detail-oriented with focus on clean, maintainable solutions.

Education :

- Bachelors/Masters degree in Computer Science, Engineering, or a related field


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