Development Engineer Software

NIRANJANA RENGARAJAN

Software Development Engineer in Testing (SDET)

in https://www.linkedin.com/in/niranjana-

rengarajan-5aa5b352/

Git :

niranjanarengarajan - Overview

Publications:

Control Execution using tags in

Cucumber BDD Framework

ORGANIZE AND CONTROL EXEC …

Singleton Pattern Database

Connection in Selenium Java

SINGLETON PATTERN DATABAS …

Participation:

1st Runner Up in Gherkins

Hackathon conducted by Numpy

Ninja in December 2024.

Education:

BTech (Food Process Engineering)

Year 2006-2010

TamilNadu Agricultural University,

Coimbatore, India.

TECHNICAL SKILLS:

Java

Selenium

TestNG Framework

cucumber BDD Framework

Postman, REST Assured API

testing

PROFILE SUMMARY

Results-driven Automation Test Engineer with 1.1 years of experience in Integration, Regression, Functional, Sanity, and Web Service Testing.

Proficient in designing and enhancing automation frameworks using the Page Object Model (POM), including Data-Driven, Keyword-Driven, and Hybrid approaches.

Hands-on experience with Selenium WebDriver, TestNG, Cucumber (BDD), and Maven, with expertise in dependency injection using PicoContainer.

Successfully integrated Jenkins pipelines for CI/CD automation and scheduled test executions.

Skilled in API testing, including contract testing using Postman and Swagger UI, as well as data-driven API testing with Rest Assured.

Experienced in validating JSON response schemas, writing JavaScript-based API tests and assertions, and generating detailed reports using Newman and Allure.

Proficient in BDD test development using Gherkin in Cucumber, writing step definitions, and generating comprehensive reports with Cucumber, Extent Reports, and Allure.

Strong background in SQL and PostgreSQL, capable of writing complex queries, stored procedures, triggers, and window functions for business intelligence and data analysis. Experienced in Eclipse IDE, IntelliJ and test automation best practices, with a commitment to delivering high-quality software solutions.

Created a Jira board to initiate the sprint and organized test cases as stories, tasks, and bugs and generated reports to track progress. Leveraged Zephyr Scale for efficient test management and seamless integration with Jira.

PROFESSIONAL EXPERIENCE

SDET, Numpy Ninja, March 2024 – present

PostgreSQL

Git, GitHub

Agile work model

Jira tool, Zephyr scale

CI/CD Integration

SOFT SKILLS:

Analytical and problem-solving

abilities

Attention to Detail

Process Optimization

Collaboration & Teamwork

Time Management

Excellent communication and

collaboration skills

Developed and implemented Data-Driven Testing (DDT) using a test data generation mechanism to simulate real production data with Python modules Selenium and Behave. This approach enhanced test coverage by 60% and significantly improved application quality and stability by 75%. Scraped recipes with the Website having Dynamic data, WebTables and paginator using Java collections, filters, Selenium Web locators like CSS selector, XPath, ClassName, TagName etc., for various category of diet planning. Designed and developed a custom automation framework from scratch, enhancing the testing team’s efficiency by 70%, improving test accuracy by 60%, and significantly reducing test maintenance costs by 55%

Highly skilled in designing, developing, and optimizing PostgreSQL databases for efficient data management and analytics. Proficient in writing complex SQL queries, stored procedures, triggers, and window functions to support business intelligence and data analysis. Experienced in database performance, indexing strategies, and query optimization. Ensuring data integrity through normalization and constraints.

Used Postman and Rest Assured to test and automate API requests within a Cucumber BDD framework. Executed HTTP methods such as GET, POST, and DELETE, validating data, schema, headers, status codes, status lines, and XML/JSON payloads using JSON parsers. Implemented data chaining and data-driven testing to cover both positive and negative scenarios, ensuring API reliability and performance. Created a Jira board to initiate the sprint and organized test cases as stories, tasks, and bugs. For bugs, provided a detailed report including descriptions, reproduction steps, and screenshots. Additionally, generated reports such as burn-up charts, burndown charts, and cumulative flow diagrams to track progress and team performance. Leveraged Zephyr Scale for efficient test management and seamless integration with Jira.

Test Leaf: Year Aug 2023 -Nov 2023

Internship at Test Leaf – Web Automation using Selenium Java Gained hands-on experience in core Java, including OOPs and collections. Practiced writing and executing test cases while solving collection-related problems. Learned Selenium WebDriver from basics to advanced, automating test cases using different approaches. Explored XPath patterns and handled exceptions in Selenium & Java. Familiarized with various testing frameworks and applied TestNG & Page Object Model. Production Executive : Dairy Classic IceCreams, Year: 2012-2015 Performed supervisor role and successfully handled peak summer ice cream production of 8,000 gallons single-handedly under the guidance of the Production Manager, with an average capacity of 4,000 gallons during regular hours.

Calculating and adding flavors and colors to the ice cream mix as per the production plan. Implementing Standard Operating Procedures (SOPs) and contributing to the development and execution of HACCP plans to ensure food safety.

Ensuring product quality by monitoring mix consumption, calculating inclusions and toppings (dry fruits, nuts, and other ingredients), and managing overrun levels. Training and supervising production staff on Good Manufacturing Practices (GMP) to ensure strict adherence to quality and hygiene standards.

Collaborating with Product Development and R&D teams, including Sensory, Microbiology, and New Product Formulation, to support product innovation and conduct shelf-life studies. Quality Analyst : Aachi Spices And Foods, Year: 2010-2012 Conducting quality checks on raw materials, including spices and brine, to ensure compliance with standards.

Maintaining accurate and detailed records of laboratory analyses for ingredients and finished products. Documenting QC reports and issuing QC clearance while ensuring compliance with ISO 22000:2018. Training employees on Good Manufacturing Practices (GMP) and hygiene protocols.

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