SDET

Muhammed Caldiran

SDET / SOFTWARE DEVELOPMENT ENGINEER IN TEST

Location: Fort Lauderdale, FL Email: *.***************@*****.*** Cell Phone: 424-***-**** LinkedIn: https://www.linkedin.com/in/muhammed-caldiran-24905b275/ Citizenship: USA Citizen

Professional Summary

Backend SDET with 9+ years of experience building and scaling Java-based automation frameworks for API, microservices, and cloud-native systems. Strong background in REST API testing, data validation, CI/CD pipelines, and performance testing across AWS, GCP, and Azure. Proven ability to improve test coverage, release stability, and system reliability in fast-paced Agile environments.

Technical Skills

Languages: Java, JavaScript, SQL, JSON, Gherkin

Automation & Testing: RestAssured, TestNG, JUnit, Cucumber (BDD), Selenium WebDriver, WebDriverIO

API & Performance: Postman, Insomnia, JMeter

CI/CD & DevOps: Jenkins, Maven, GitHub

Cloud Platforms: AWS, Google Cloud Platform (GCP), Microsoft Azure Databases: MySQL, PostgreSQL

Testing Types: API, Integration, Regression, Functional, Performance, Load, Smoke/Sanity Tools: Jira, Apache POI

OS: Linux, MacOS, Windows

Professional Experience

Experian – SDET August 2023 - Present

● Contributed to the design and maintenance of backend automation frameworks using Java, RestAssured, TestNG, and Cucumber to validate RESTful APIs and microservices.

● Integrated and supported automated test execution within CI/CD pipelines (Jenkins), improving regression detection and deployment reliability.

● Executed API, integration, and performance testing for cloud-hosted services across AWS, GCP, and Azure.

Validated data integrity, API responses, and service behavior across distributed backend systems.

● Collaborated with backend engineers and DevOps teams to improve testability, logging, and monitoring.

● Contributed to increasing backend automation coverage by 40%+, helping reduce production defects.

Capital One – SDET February 2021 - August 2023

● Built and enhanced API automation frameworks for cloud-based backend services using Java, RestAssured, and TestNG.

● Executed integration and end-to-end backend testing across distributed microservices.

● Automated validation of data pipelines and service-to-service communication.

● Integrated test suites into CI/CD pipelines, accelerating release cycles and improving quality gates.

● Conducted load and stress testing to evaluate system performance under peak traffic.

● Reduced manual backend testing by ~50% through automation. Aetna – QA Automation Engineer / Manual QA January 2016 - February 2021

● Developed and maintained a BDD automation framework using Java, Selenium, and Cucumber supporting API and UI layers.

● Performed backend data validation using PostgreSQL, ensuring consistency between services and databases.

● Tested REST APIs with a focus on data accuracy, reliability, and system integration.

● Created reusable test utilities and reporting to support large-scale regression execution.

● Helped transition the team from manual-heavy testing to automation-first practices.

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