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Performance Test Engineer (JavaScript (k6) & Python - Immediate

Performance Test Engineer (JavaScript (k6) & Python - Immediate

Xoriant

6 - 11 years

12 - 22 Lacs

chennai bengaluru mumbai (all areas)

Posted:2 months ago| Platform:

Apply

Skills Required

load javascript linux shell k6 perfomance testing test rest api automation python

Work Mode

Hybrid

Job Type

Full Time

Job Description

Dear Applicant,

Performance Test Engineer (JavaScript/k6 & Python Focus)

Location: Pune, Bangalore, Chennai, Mumbai, Delhi and Hyderabad

Employment Type: Full Time

Experience Level: 6 years and above

About the Role:

k6

If youre passionate about uncovering bottlenecks, pushing system limits, and delivering scalable, reliable softwarethis is your playground.

Responsibilities:

Performance Test Development & Execution

Design, script, and maintain performance tests in
JavaScript (k6)
for web and REST APIs.
Create realistic workload models and scenarios:
load, stress, endurance, scalability
.
Monitor and analyze system metrics:
latency, throughput, resource utilization
.
Extend k6 capabilities with custom JavaScript functions and utilities.

Automation & Integration

Write
Linux shell scripts
to automate test setup and execution.
Integrate performance test suites into
CI/CD pipelines
for continuous validation.

Collaboration & Reporting

Work closely with
Developers, QA, DevOps, and SRE
teams to define performance benchmarks.
Deliver clear, data-driven reports with
metrics, charts, and actionable insights
.
Integrate test results with observability tools like
Grafana, Prometheus, Datadog
.

Qualifications & Requirements:

Must-Have

6+ years in software test engineering, with 2+ years in performance testing.
Bachelors or Master’s in Computer Science, Engineering, or related STEM field.
Strong
JavaScript skills
, especially for scripting in
k6
.
Proven ability to design and execute performance tests for web and REST APIs.
Solid understanding of
descriptive statistics
(standard deviation, z-score, percentiles).
Strong
SQL skills
(DDL & DML).
Proficiency with IDEs like
VSCode / PyCharm
and excellent debugging skills.

Good to Have

Experience with
JMeter
or other performance testing tools.
Comfort executing tests in
Linux environments
.
Familiarity with
APM tools
(Grafana, Prometheus, New Relic, Datadog).

Bonus Skills

Ability to code in
Python
for building supporting frameworks and automation.
Strong grasp of
system performance engineering
concepts (scalability, reliability, capacity planning).

Not a Fit If:

You rely solely on tool-based testing without
JavaScript scripting expertise in k6
.
You lack strong
SQL DDL and DML
skills.
Role & responsibilities

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