Data Engineer | Database Engineer | PL/SQL Developer

Nitin Singh

I build migration frameworks, ETL/ELT pipelines and database code that move enterprise data across databases and clouds.

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What I do
DataEngineer

ETL/ELT pipelines, CDC and lakehouse builds with Python, PySpark, Airflow and Kubernetes on Fabric, Databricks and BigQuery.

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What I do
DatabaseEngineer

Schema, data and stored procedure migrations across Oracle, SQL Server, DB2, MySQL, PostgreSQL and MongoDB, plus performance tuning.

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What I do
PL/SQLDeveloper

Oracle PL/SQL converted to PL/pgSQL, T-SQL moved to PySpark, and queries tuned for up to 40% faster execution.

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About

I turn legacy databases into modern, reliable data platforms.

Senior engineer with 4+ years of hands-on experience in large-scale database migration, ETL/ELT pipeline development and cloud data modernisation across Oracle, PostgreSQL, MySQL, SQL Server, DB2, MongoDB and Snowflake, on Azure, GCP, AWS, Microsoft Fabric and Databricks. I specialise in end-to-end migration frameworks built with Kubernetes, Apache Airflow and PySpark, and in converting complex PL/SQL, T-SQL and PL/pgSQL code.

Data EngineerDatabase EngineerPL/SQL Developer
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enterprise migrations
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data accuracy
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years of experience

Skills

The platforms, databases, languages and tools I work with.

Projects

Every migration and platform project from my work at Quadrant Technologies. Filter by role.

Journey

From engineering graduate to leading enterprise migrations.

2018

B.Tech, Information Technology

Uka Tarsadia University, Surat

2021

Data Science Architect Masters

Certification from Intellipaat

May 2022 to present

Senior Software Engineer, Data Engineering

Quadrant Technologies, Hyderabad

Highlights from this role
  • Led 15+ multi-database, multi-cloud migrations covering schema, data and stored procedures.
  • Built a Kubernetes and Airflow framework for bulk loads and CDC, lifting throughput by 45%.
  • Raised pipeline reusability by 60% with metadata-driven Python ETL/ELT workflows.
  • Tuned SQL, PL/SQL, T-SQL and PL/pgSQL for up to 40% faster execution.
  • Delivered 3x throughput on DB2 extraction with multi-threaded, chunked reads.
  • Worked with data architects and stakeholders to design strategies and keep referential integrity across platforms.

Education

B.Tech in Information Technology
Uka Tarsadia University, Surat | 2018

Certifications

Data Science Architect Masters, Intellipaat (2021)
Master Software Testing + Jira + Agile, Udemy
Network and Cyber Security Workshop, Azure Skynet Solutions with IIT-Hyderabad

Contact

Let's talk about your next data or database project.

singhnitin21215@gmail.com Send an emailLinkedIn