Senior Testing Engineer

ABOUT XENONSTACK

XenonStack is the fastest-growing

Data and AI Foundry for Agentic Systems

, enabling people and organizations to gain

real-time and intelligent business insights

• We deliver innovation through: -

Agentic Systems for AI Agents

→

Vision AI Platform

→

Inference AI Infrastructure for Agentic Systems

→

Our mission: Accelerate the world’s transition to

AI + Human Intelligence

by ensuring our platforms are

reliable, resilient, and enterprise-ready

.

---

THE OPPORTUNITY

We are looking for a

Senior Testing Engineer

with

4–7 years of experience

in software testing and automation. You will be responsible for designing and executing comprehensive test plans, implementing automation frameworks, and ensuring the

quality, security, and performance

of XenonStack’s Agentic AI platforms.

This role is ideal for someone who thrives on

precision, detail, and excellence

, and who wants to contribute to the

trust and reliability of enterprise-grade AI systems

.

---

KEY RESPONSIBILITIES

Test Planning & Execution

• Design and execute

test cases, test plans, and scenarios

across functional, regression, and integration testing.

• Identify, document, and track

defects, risks, and edge cases

.

Automation Frameworks

• Develop and maintain

test automation scripts and frameworks

(Selenium, Cypress, Playwright, or similar).

• Integrate automated testing into

CI/CD pipelines

for faster, reliable deployments.

System & API Testing

• Perform

end-to-end, API, and data validation testing

for enterprise AI workflows.

• Ensure

cross-browser, cross-platform, and responsive testing

for web applications.

Performance & Reliability

• Conduct

load, stress, and performance testing

to ensure scalability.

• Collaborate with DevOps to monitor systems and validate production reliability.

Collaboration

• Work with product managers, developers, and AI engineers to ensure requirements are

testable, traceable, and aligned with enterprise standards

.

• Partner with security teams to perform

compliance and vulnerability testing

.

Continuous Improvement

• Analyze

test coverage and defect metrics

; recommend quality improvements.

• Advocate for

shift-left testing

to embed QA early in the SDLC.

---

SKILLS & QUALIFICATIONS

Must-Have

• 4–7 years of experience in

software testing and QA engineering

.

• Strong understanding of

testing methodologies (functional, regression, integration, system)

.

• Hands-on with

automation frameworks

(Selenium, Cypress, Playwright, JUnit, TestNG).

• Strong experience in

API testing tools

(Postman, RestAssured) and

performance testing tools

(JMeter, Locust).

• Proficiency in

scripting languages

(Python, Java, or JavaScript).

• Knowledge of

CI/CD tools

(Jenkins, GitLab CI, CircleCI).

• Familiarity with

cloud platforms (AWS, GCP, Azure)

.

Good-to-Have

• Experience testing

AI/ML systems

, including data validation and model accuracy.

• Exposure to

containerized applications

(Docker, Kubernetes).

• Knowledge of

security and compliance testing

(SOC2, GDPR, PCI-DSS).

• Background in

BFSI, GRC, or large-scale enterprise systems

.

---

WHY SHOULD YOU JOIN US?

Agentic AI Product Company

Test and validate cutting-edge AI systems that redefine enterprise adoption.
2.

A Fast-Growing Category Leader

Join of the fastest-growing

AI Foundries

, delivering AI platforms trusted by Fortune 500 enterprises.
3.

Career Mobility & Growth

Opportunities to grow into roles such as

QA Lead, Test Automation Architect, or Reliability Engineer

.
4.

Global Exposure

Work on

enterprise-scale testing challenges

across BFSI, Telecom, Healthcare, and Manufacturing.
5.

Create Real Impact

Ensure

trust, reliability, and resilience

in mission-critical AI agents deployed in production.
6.

Culture of Excellence

Our values —

Agency, Taste, Ownership, Mastery, Impatience, and Customer Obsession

— empower you to innovate and drive quality.
7.

Responsible AI First

Play a critical role in building

trustworthy, explainable, and ethical AI systems

.

---

XENONSTACK CULTURE – JOIN US & MAKE AN IMPACT!

At XenonStack, we believe in

shaping the future of intelligent systems

. We foster a

culture of cultivation

built on bold, human-centric leadership principles, where

deep work, simplicity, and adoption

define everything we do.

Our Cultural Values

Agency

– Be self-directed and proactive.

Taste

– Sweat the details and build with precision.

Ownership

– Take responsibility for outcomes.

Mastery

– Commit to continuous learning and growth.

Impatience

– Move fast and embrace progress.

Customer Obsession

– Always put the customer first.

Our Product Philosophy

Obsessed with Adoption

– Making AI accessible and enterprise-ready.

Obsessed with Simplicity

– Turning complex quality challenges into seamless, reliable processes.

Be a part of our mission to

accelerate the world’s transition to AI + Human Intelligence

— by ensuring every interaction with AI is reliable, trustworthy, and enterprise-ready.

• 4–7 years of experience in software testing and QA engineering.
• Strong understanding of testing methodologies (functional, regression, integration, system).
• Hands-on with automation frameworks (Selenium, Cypress, Playwright, JUnit, TestNG).
• Strong experience in API testing tools (Postman, RestAssured) and performance testing tools (JMeter, Locust).
• Proficiency in scripting languages (Python, Java, or JavaScript).
• Knowledge of CI/CD tools (Jenkins, GitLab CI, CircleCI).
• Familiarity with cloud platforms (AWS, GCP, Azure).
• Experience testing AI/ML systems, including data validation and model accuracy.
• Exposure to containerized applications (Docker, Kubernetes).
• Knowledge of security and compliance testing (SOC2, GDPR, PCI-DSS).
• Background in BFSI, GRC, or large-scale enterprise systems.