HCLTech – Hungary

Senior Design Lead

HCLTech – Hungary  •  Onsite  •  3 hours ago
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Job Description

Job Summary

We are looking for an experienced ETL Architect to design, build, and govern large-scale data processing platforms on AWS. The ideal candidate will have deep expertise in Amazon EC2, Amazon EMR, Apache Spark, data lake architectures, and enterprise ETL frameworks. The role requires strong hands-on experience with Parquet and Avro data formats, schema management, data versioning, and high-performance data pipelines supporting analytics and business-critical workloads.

AWS Technologies

  • Amazon EC2
  • Amazon EMR
  • Amazon S3
  • AWS IAM
  • CloudWatch
  • AWS Glue (preferred)

Big Data Technologies

  • Apache Spark
  • Spark SQL
  • PySpark / Scala Spark
  • Hadoop ecosystem fundamentals

Data Formats

  • Strong hands-on experience with:
  • Parquet
  • Avro
  • Schema evolution and optimization techniques

ETL & Data Integration

  • Enterprise ETL Architecture
  • Data Ingestion Frameworks
  • Batch & Streaming Processing
  • Data Quality Frameworks

Data Governance & Versioning

  • Data Lineage
  • Data Cataloging
  • Dataset Versioning
  • Metadata Management
  • Audit & Compliance Controls

Programming & Databases

  • Python
  • Scala (preferred)
  • SQL
  • Data Warehouse Concepts

Key Responsibilities

We are looking for an experienced ETL Architect to design, build, and govern large-scale data processing platforms on AWS. The ideal candidate will have deep expertise in Amazon EC2, Amazon EMR, Apache Spark, data lake architectures, and enterprise ETL frameworks. The role requires strong hands-on experience with Parquet and Avro data formats, schema management, data versioning, and high-performance data pipelines supporting analytics and business-critical workloads.

Skill Requirements

Other Requirements

HCLTech – Hungary

About HCLTech – Hungary

HCLTech is a global technology company, home to more than 226,600 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 September 2025 totaled $14.2 billion. To learn how we can supercharge progress for you, visit hcltech.com.

Industry
IT & Software
Company Size
51-200 employees
Headquarters
Budapest, HU
Year Founded
2006
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