Software Test Engineer - IAM & Security Automation

VISA; Singapore; On-site; SGD 70,000 - 110,000; Full time

Job summary

Visa Singapore is hiring a Software Test Engineer to support quality, security, release readiness, and platform stability for B2B IAM applications within the Cybersecurity group. You will design and automate tests, validate patches, and assist with releases, collaborating across developers, security, and operations to ensure secure, stable delivery.

The role emphasizes full-stack testing across front-end, back-end, databases, and APIs, using tools like Selenium, Playwright, Postman, JMeter, and

Qualifications

• Bachelor’s degree or 3+ years of relevant work experience.
• 2+ years of work experience.
• Degree in CS, IS, Cybersecurity, Engineering or related field preferred.
• Experience with Java, Python, JavaScript, SQL, shell scripting.
• Experience testing Java, .NET Core, Python apps, RESTful services, microservices, and databases.
• Experience with automation, API, and performance testing tools.

Responsibilities

• Support test planning, design, execution and automation for Java, .NET.
• Develop and maintain automated tests and scripts using Selenium, Playwright, Postman/Newman, JMeter, Java, Python, or similar tools.
• Perform functional, regression, integration, API, performance, smoke, sanity, and post-deployment validation testing.
• Support full-stack application testing and troubleshooting across front-end, back-end, database, API, middleware, and infrastructure layers.
• Support QA, staging, pre-production, and production-like environments by troubleshooting issues, validating configurations, and helping maintain stability.
• Assist with security patching, vulnerability remediation, dependency upgrades, certificate renewals, middleware updates, and patch validation.
• Assist with release management activities including release readiness, deployment validation, smoke testing, regression testing, release validation support, rollback support, and post-release validation.
• Help improve platform stability through log analysis, defect investigation, root cause analysis, and collaboration with development, security, and operations teams.
• Conduct API and performance testing using tools such as Postman, SoapUI, OpenAPI/Swagger, JMeter, LoadRunner, or similar tools.
• Work with relational databases and directory services to validate data, write SQL queries, troubleshoot issues, and support IAM workflows.
• Collaborate with developers, product owners, QA engineers, security engineers, operations personnel, and system engineers to support secure and stable delivery.
• Ensure testing activities follow Visa Development Management Methodology, Visa Technical Security Requirements, SSDLC practices, and cybersecurity requirements.
• Use CI/CD, source control, code quality, and DevOps tools such as Jenkins, GitHub, Bitbucket, Artifactory, SonarQube, Checkmarx, Docker, Kubernetes, or similar tools.
• Contribute to test utilities, scripts, dashboards, and automation solutions using Java, Python, JavaScript, REST APIs, SQL, HTML5, CSS3, or similar technologies.
• Support the use of generative AI, agentic tools, and AI-assisted automation to improve test generation, execution, failure analysis, release validation, and support workflows.
• Participate in Agile/Scrum ceremonies and create and maintain test cases, test plans, automation scripts, execution reports, and technical documentation.

Skills

Java

Python

JavaScript

SQL

Debugging

Collaboration

Education

Bachelor’s degree or 3+ years of relevant experience

Bachelor’s or master’s degree in CS/IS/Cybersecurity/Engineering

Tools

Selenium

Playwright

Postman

JMeter

REST Assured

SoapUI

Docker

Kubernetes

Jenkins

GitHub

JUnit

TestNG

Cucumber

Job description

Visa Singapore is hiring a Software Test Engineer to support quality, security, release readiness, and platform stability for B2B IAM applications within the Cybersecurity group. You will design and automate tests, validate patches, and assist with releases, collaborating across developers, security, and operations to ensure secure, stable delivery.

The role emphasizes full-stack testing across front-end, back-end, databases, and APIs, using tools like Selenium, Playwright, Postman, JMeter, and