Senior Developer
India
Job Description
Senior Developer
| Chennai, Tamil NaduBangalore, Karnataka

Job Summary

1.    Core Programming
o    Python , Scala , Apache Spark (DataFrames, Spark SQL, performance tuning)
o    SQL (advanced joins, window functions, query tuning)
o    ADO adherence 
o    Basics of Java – Good to have
2.    Data Modeling & Databases
o    Data warehousing concepts: star/snowflake schemas, facts & dimensions
o    Data modelling & mapping understanding
3.    ETL / ELT & Data Pipelines
o    Good understanding on ETL & data processing
o    Designing batch and streaming pipelines
o    Data integration - files, message queues etc
o    Hadoop ecosystem (HDFS, Hive) ;Distributed computing concepts (partitioning, shuffling etc)
4.    Data Quality & Governance
o    Data validation, profiling, and monitoring 
o    DQ Controls and framework alignment 
o    Basic knowledge of data governance, security, and compliance controls
5.    DevOps & Engineering Practices
o    Version control and branching strategies 
o    Automated builds, tests and deployments; Pipeline-as-code (e.g. YAML-based pipelines)
o    Managing artefacts, versioning and rollbacks
6.    Production Deployment and Release Management Activities
o    Release Planning & Coordination; Code Validation & Post Deployment Checks
o    Rollback & Incident Handling
o    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.

Skill Requirements

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Other Requirements

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Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 227,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending March 2026 totaled $14.7 billion.