Senior Developer

Experience: Not Available to Not Available years

Location: Chennai, India

Skills: Python, Scala, Apache Spark, SQL, Java, Data warehousing, ETL, ELT, Hadoop, HDFS, Hive, Data validation, Data profiling, Data governance, Version control, Automated builds, Pipeline-as-code, Release Management

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
• Valuable 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 maintain existing features, troubleshoot bugs, resolve ad-hoc requests and provide support for enhancement (major and minor) /new developments based on business/ client requirements as well as from the functional and technical team of HCL on the project.
2. To provide client support by presenting data, information, ticket resolution and day to day support activities like monitoring client requirements as well as keeping track of schedule for on time delivery of assigned tasks as per the defined quality standards.
3. To perform activities related to enhancement creation of documents for CMMi and client requirements
4. To provide technical guidance to junior developers
5. To interact with the customer and internal teams to gather requirements for development purposes.

📌 Senior Developer (Chennai)
🏢 HCL Technologies
📍 Chennai