Data Lead - SQL/Python

Description :

Tango Eye, company specializes in AI-powered video analytics, transforming CCTV data into actionable insights that help retailers understand customer shopping behaviors and evaluate staff efficiency.

Position : Data Lead.

Location : Chennai.

Experience : 10- 14 years.

Employment Type : Full-time.

Role Summary :

We are seeking an experienced Data Lead to design, build, and manage scalable data systems including data pipelines, data lakes, and enterprise-level data architecture.

This role requires strong technical leadership, hands-on engineering expertise, and the ability to lead and mentor a high-performing data team.

Key Responsibilities :

- Lead the design, development, and optimization of end-to-end data pipelines (batch & real-time).

- Architect and maintain enterprise-scale data lakes and data platforms.

- Define and implement data structures, data models, and schema design.

- Design and maintain data architecture diagrams, flow diagrams, and technical documentation.

- Ensure best practices for data security, governance, quality, and performance.

- Own data integration from multiple source systems (APIs, DBs, SaaS, streaming platforms).

- Collaborate with product, engineering, analytics, and business stakeholders.

- Lead cloud data platform architecture (AWS / Azure / GCP).

- Drive cost optimization, performance tuning, and system scalability.

- Manage and mentor data engineers, analysts, and architects.

- Oversee sprint planning, delivery, and code quality standards.

- Ensure high availability, monitoring, and incident response for data platforms.

Required Technical Skills :

Strong hands-on experience with :

- Data Pipelines : Airflow, Dagster, AWS Glue, Azure Data Factory, Kafka.

- Data Lakes : S3, ADLS, GCS, Delta Lake, Iceberg, Hudi.

- Databases : Snowflake, BigQuery, Redshift, Synapse.

- Programming : Python, SQL, Spark, Scala (good to have).

Expertise In :

- Data Modeling : Star schema, Snowflake schema, normalization/denormalization.

- ETL/ELT frameworks.

- Distributed systems & big data architectures.

Strong knowledge of :

- Data Governance, Lineage, and Cataloging.

- DevOps for data (CI/CD pipelines, Terraform, GitOps).

Leadership & Management Skills :

- Proven experience in leading and scaling data teams.

- Strong stakeholder management and communication skills.

- Ability to translate business requirements into technical architecture.

- Experience in project planning, delivery management, and performance reviews.

- Mentorship, coaching, and talent development.