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Data Engineer

NielsenIQ
Posted on
NielsenIQ logo

Experience
3 - 6 yrs
Salary (CTC)
₹17.6L - ₹20.1L
Job Location
Chennai, India
Vacancy
1
Designation
Data Engineer
Job Type
ONSITE

Job Description

Role & responsibilities


  • Data Pipelines & ETL/ELT  
  • Develop, schedule, and monitor ELT/ETL pipelines in Python to ingest data from APIs, files, and databases into Snowflake. 
  • Implement transformations (SQL & Python) following modular, reusable patterns. 
  • Leverage AI-assisted tooling (e.g., GitHub Copilot) to accelerate development, improve readability, and reduce boilerplatewhile ensuring correctness through reviews and testing 
  • Snowflake Engineering  
  • Build tables, views, stages, and secure data shares. 
  • Tune queries and warehouse configs; manage roles, RBAC, and resource usage. 
  • Use AI assistance to analyze query performance, refactor SQL, and identify optimization opportunities 
  • Cloud & Orchestration  
  • Use cloud services (AWS/GCP/Azure) for storage, compute, and event triggers (e.g., S3/Blob/GCS; Lambda/Functions). 
  • Orchestrate jobs (Airflow/Cloud Composer/Prefect/Azure Data Factory) with proper alerting & SLAs. 
  • Apply AI tools to speed up pipeline scaffolding, DAG generation, and configuration validation 
  • DevSecOps & Reliability  
  • Apply CI/CD for data code (linting, unit/data tests, IaC review gates). 
  • Embed security scanning (dependencies, IaC policies), secrets management, and leastprivilege IAM. 
  • Contribute to observability (logging, metrics, lineage, data quality checks). 
  • Use AI responsibly to assist with test generation, documentation, and failure analysis 
  • Collaboration  
  • Work with Analytics/ML teams to productize models and enable selfservice. 
  • Write clear documentation (readme, runbooks, data dictionaries). 
  • Actively learn and upskill in AIdriven engineering practices, sharing learnings with the team 


Preferred candidate profile

  • 3 - 6 years of experience in data engineering, analytics engineering, or backend engineering (internships/co-ops included). 
  • Programming: Python (pandas, SQLAlchemy/DB APIs, typing, testing with pytest). 
  • SQL & Warehousing: Strong SQL; experience with Snowflake (warehouses, stages, tasks, Snowpipe, RBAC). 
  • Cloud Basics: Familiarity with one major cloud (AWS/Azure/GCP) and storage + compute + IAM fundamentals. 
  • DevSecOps Mindset: Git, CI/CD (GitHub Actions/Azure DevOps/GitLab CI), code reviews, secret handling, dependency scanning. 
  • Data Quality: Exposure to unit tests, data validation (e.g., Great Expectations/dbt tests), and monitoring principles. 
  • AIAware Engineering:  
  • Experience or willingness to adopt GitHub Copilot or similar AI tools 
  • Ability to critically evaluate AIgenerated code and ensure correctness, security, and performance 
  • Strong problem-solving, curiosity, and ability to learn quickly. 

Additional information

Nice-to-Have 

  • Orchestration: Airflow/Prefect/ADF/Composer. 
  • IaC: Terraform/Azure Bicep/CloudFormation; policy-as-code (e.g., OPA/Conftest). 
  • Streaming: Kafka/Kinesis/PubSub; Change Data Capture. 
  • dbt (models, tests, exposures) and semantic layer concepts. 
  • Basic SCD/CDC design patterns; Dimensional modeling (Kimball). 
  • Security: OWASP, least privilege, key rotation, secret stores (AWS Secrets Manager/Azure Key Vault). 
  • Observability: OpenLineage, DataDog/CloudWatch/Log Analytics; SLA/SLO thinking. 
  • Exposure to MLOps (feature stores, model serving) is a plus 

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