Senior Technical Lead

Experience: Not Available to Not Available years

Location: Chennai, India

Skills: Python, Scala, Apache Spark, SQL, Java, Data warehousing concepts, Data modelling, ETL, Data processing, Hadoop ecosystem, HDFS, Hive, Data validation, Data profiling, Data governance, Version control, Automated builds, Pipeline-as-code, Code Validation, Incident Handling

Job Summary
1. Core Programming
• Python , Scala , Apache Spark (DataFrames, Spark SQL, performance tuning)
• SQL (advanced joins, window functions, query tuning)
• ADO adherence
• Basics of Java – Good to have
2. Data Modeling & Databases
• Data warehousing concepts: star/snowflake schemas, facts & dimensions
• Data modelling & mapping understanding
3. ETL / ELT & Data Pipelines
• Positive understanding on ETL & data processing
• Designing batch and streaming pipelines
• Data integration - files, message queues etc
• Hadoop ecosystem (HDFS, Hive) ;Distributed computing concepts (partitioning, shuffling etc)
4. Data Quality & Governance
• Data validation, profiling, and monitoring
• DQ Controls and framework alignment
• Basic knowledge of data governance, security, and compliance controls
5. DevOps & Engineering Practices
• Version control and branching strategies
• Automated builds,



tests and deployments; Pipeline-as-code (e.g. YAML-based pipelines)
• Managing artefacts, versioning and rollbacks
6. Production Deployment and Release Management Activities
• Release Planning & Coordination; Code Validation & Post Deployment Check
• Rollback & Incident Handling
• Continuous Improvement of Release Process

Key Responsibilities
1. To be responsible for providing technical guidance to a team of developers, enhancing their technical capabilities and increasing productivity.
2. To conduct comprehensive code reviews, establish and oversee quality assurance processes, performance optimization, implementation of best practices and coding standards to ensure successful delivery of complex projects.
3. To ensure process compliance in the assigned module and participate in technical discussions/review as a technical consultant for feasibility study (technical alternatives, best packages, supporting architecture best practices, technical risks, breakdown into components, estimations).
4. To collaborate with stakeholders to define project scope, objectives, deliverables and accordingly prepare and submit status reports for minimizing exposure & closure of escalations.

📌 Senior Technical Lead (Chennai)
🏢 HCL Technologies
📍 Chennai