Summary
Overview
Work History
Education
Skills
Accomplishments
Certification
Timeline
Generic

Rachel Shirin

Irving,TX

Summary

Detail-oriented Software Developer skilled in Python, SQL, and automation, with experience in API integration, unit test frameworks, and GitLab CI/CD pipelines. Proficient in Linux-based testing, manual regression, and reporting automation to support data-driven solutions. Fully work authorized; no sponsorship required.

Overview

3
3
years of professional experience
1
1
Certification

Work History

System Engineer (Software Developer)

Tata Consultancy Services (TCS)
09.2020 - 05.2022
  • Developed automated unit test frameworks using Python scripting to streamline testing and improve software quality; conducted demos for team members to ensure adoption and standardized testing practices.
  • Developed Python scripts to add and integrate new plans/products, coordinating with QA to validate functionality and maintain system reliability.
  • Performed end-to-end data analytics in Databricks by ingesting raw data into Delta Lake, transforming datasets with PySpark and SQL, and building interactive dashboards for business insights, enabling data-driven decision-making.
  • Proficient in integrating RESTful APIs to automate data retrieval, utilizing Python libraries (e.g., Requests) to fetch, parse, and process JSON data for streamlined analysis and reporting.
  • Integrated automated testing and deployment processes into GitLab CI/CD pipelines, improving release efficiency and reducing manual effort.
  • Configured Kafka consumers in Python to ingest and process streaming data from customer producers, enabling real-time data analysis and efficient pipeline performance.
  • Tested, maintained, and performed shakeout testing on RHEL 7/8 Linux servers via PuTTY, ensuring secure remote access, system reliability, and validating client applications and key processes for development readiness.

Assistant System Engineer

Tata Consultancy Services (TCS)
09.2019 - 09.2020
  • Developed Python scripts to automate report generation by extracting data from system outputs, summarizing plan/product performance, user counts, and metrics, reducing manual reporting time
  • Experienced in building interactive dashboards and reports in Power BI, transforming complex data into visual insights that support decision-making. Proficient in using DAX for custom calculations, implementing row-level security, and optimizing report performance.
  • Performed manual regression testing to verify that existing functionalities remained stable after new code changes, ensuring consistent application performance.
  • Monitored and supported monthly production releases, facilitating seamless transitions from development to live environments.
  • Mentored junior team members on testing procedures and best practices, enhancing team performance and cohesion.

Education

Bachelor of Science - Computer Science Engineering

Osmania University
India
06.2019

Skills

  • Languages: Python (Pandas, PySpark, Numpy), SQL,
  • Databases: Oracle DB, MySQL, Microsoft SQL Server, Cassandra
  • Databricks
  • Microsoft Azure
  • Gitlab

Accomplishments

  • Organized and conducted a technical quiz in my team of 3 during the college fest, promoting technical knowledge and engaging participants in STEM activities.
  • Managed and tracked the completion of learning programs for 150 team members and reported progress to senior management to ensure timely completion.


Certification

  • Cisco Introduction to networking
  • IBM Data Science Professional Certificate
  • Databricks Certified Data Engineer Associate (Pursuing)

Timeline

System Engineer (Software Developer)

Tata Consultancy Services (TCS)
09.2020 - 05.2022

Assistant System Engineer

Tata Consultancy Services (TCS)
09.2019 - 09.2020

Bachelor of Science - Computer Science Engineering

Osmania University

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