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Engineer Data

Aldie, VA
March 11, 2020

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Nachamai Nachiappan

***** ********* **** *****, ***** VA 571-***-****


An experienced software test engineer with a strong foundation in computing principles specializing in big data cloud development and test automation. A highly motivated and RPA level 1&2 certified test engineer looking for a challenging position to expand knowledge and experience in Testing and Quality Assurance domain. Expertise includes Hadoop eco system, AWS services and UI Path. Passionate person, eager to learn, and always willing to take up different roles to further develop my knowledge and skill set.


Bachelor of Science in Computer Science September 2003

California State University, Hayward, CA

Diploma in Electronics, Computer & Control Engineering July 1997

Nanyang Polytechnic, Singapore


LANGUAGES: Java, SQL, C, Python, HTML, JavaScript

SOFTWARE AND TOOLS: Cypress, Cucumber, TestTrail, Postman, SOAP UI, HP ALM, UiPath, Selenium, JMeter, Splunk, AWS DataDog, AWS EMR, S3 bucket JIRA, Confluence, Jenkins, GitHub, BitBucket, Hadoop, Hive, Presto, HDFS, Spark, Pentaho, Tivoli Workscheduler, MS Office & SharePoint

Database/Data Warehouse: Oracle, MySQL, Cognos, AWS Redshift, PostgreSQL, & Maria DB


SOFTWARE QA ENGINEER October 2019 – Present


Remine is a fast phased technology company offering comprehensive solution for the connecting customers and real estate agents. Remine evolved into fully integrated enterprise real estate platform serving over one million real estate professionals in North America.

Responsible for the assuring the quality of a multitude of products including mobile and webservices hosted on Amazon Web Service (AWS) cloud.

Perform both front-end and back-end validation for the products, including user experience, validating the data stored in our PostgreSQL.

Review acceptance criteria, UX designs, and produce high level test cases for new product development performed in each sprint.

Utilize common debugging and performance analysis tools to uncover root cause of bugs; Postman, Browser Dev Tools, AWS DataDog, and others.

Hands-on creating and executing test plans and test cases.

Hands-on experience in performing Integration & Regression testing

Ability to prioritize and effectively communicate defects found.

Experience in working on software-as-a-service (SaaS), large scale distributed systems or relational databases.

Experience in SQL databases and extracting data from: MYSQL, Oracle, PostgreSQL, & Maria DB

Experience in JavaScript and related testing frameworks (like Cypress & Cucumber).


CACI INC. February2018– September 2019

Software Test Engineer for the Multidimensional Information and Data Analytics System (MIDAS). MIDAS is a computer system acting as a central data warehouse for capturing, aggregating, and analyzing data from the Affordable Care Act (ACA) related systems and processes.

Quickly became point of contact for several data streams. Responsibilities included Preparing Test Scenarios, Test Plans, Test Cases and Test Data. Running the Python and Unix shell scripts to load data from source to target and executing Test Cases by writing SQL queries to validate data migration between the Source & Target database tables using HIVE and Hue Editor. Also, generating reports in Cognos using data from Splunk and RedShift and verifying the Cognos reports are as per the designed wireframes and comparing data as per the required logic.

Responsible for testing most of the staging layer data which is later used by our data analysts and data scientists, heavily involved in the testing for most of our data streams when migrating over to AWS and testing data streams for retired Pentaho ETL jobs.

Used JIRA for Defect Tracking, Summary Report, and Analysis and Confluence for Project Documentation and Knowledge Base

Mentor junior test team members and overseeing their assignments.

Involved in conducting Security Control Audit for AWS workspace, Oracle DB, SAS, and Stream Sets

Experience in creating automation process using UI Path Studio and managing workload robots using UI Path Robot.


KUTTY MOBILE SOLUTIONS August 2016 – January 2018

Business Analyst for Kutty Mobile Solutions. A company that focuses on language and culture-based mobile application developments for younger minds.

Participates in formal reviews of business requirements and application designs

Ensures proper test coverage exists based on requirements and design specifications

Translated the business requirements into the test plan and test cases

Involved in developing test cases and evaluating the functional requirements

Conducted and Screen compatibility testing for different mobile devices

Involved in Regression testing and User acceptance testing (UAT)


DATA STORAGE INSTITUTE (DSI) November 1997 - February 2000

Data Storage Institute (DSI) is a national research and development organization in Singapore, where data storage technologies are being studied. The institute's core competencies are in network storage, non-volatile memory and high density magnetic recording technologies, as well as system design and prototyping.

Coordinated research information between researchers and research teams

Manage the inventory reports generated Excel reports for research data

Developed a custom tracking tool using MS Excel and performed the GAP analysis on the research data

Updated the latest research information to the research portal

Maintained the web application for the research group

Developed a precision motion control tool using a prototype embedded servo channel for a magnetic

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