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Themesoft Inc.

Performance Engineer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 28, 2026
Experience: 7+ years of hands-on experience in performance testing & engineering using JMeter and APM tools (Prometheus, Dynatrace, Datadog)
Posting language: English
Posted: Oct 29, 2026

Original job description

Role: Performance Engineer

Location: Toronto, ON (Hybrid)

Duration: Contract

Skills:

JMeter
Dynatrace
Performance Engineering
7+ years of hands-on experience in performance testing & engineering using JMeter and APM tools (Prometheus, Dynatrace, Datadog)
Excellent understanding of concepts like NFR gathering, Workload modelling, Root Cause Analysis of performance problems
Track record of leading successful large-scale engagements with end-to-end Performance testing/engineering experience
Proficiency in various scripting techniques, develop custom codes for enhancing and customizing performance testing scripts and scenarios using JMeter
Demonstrate excellent Linux fundamentals and solid understanding of diagnosing system utilization
Experience working with Agile methodologies
Possess excellent documentation and communication skills, with the ability to influence others
Experience working with large scale distributed systems & large data volumes
Experience with some of the following technologies and services:
Cloud based Infrastructure as a Service (especially Azure)
Container based service schedulers (e.g., Docker, ECS, Kubernetes, etc.)
MySQL, Java, Python
Log management tools (Splunk)
Strong analytical and problem-solving skills, with the ability to diagnose
performance issues and propose effective solutions
Experience with Chaos Engineering & Observability is nice to have to transition towards an SRE role
Able to define data strategy and collaborate with the Test Data Management team to generate on-demand data
Expertise in adopting in-house client-side performance testing tools like UX Engine to measure end user experience, wherever applicable
Experience in developing virtual services using Mountebank to remove backend/third-party dependencies

Thank you

Praveen

praveen.s@themesoft.com

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More about this job

Responsibilities

Lead end-to-end performance testing and engineering engagements, including workload modeling, scripting and customization of JMeter tests, and diagnosing performance issues. Define data strategies, collaborate with test data teams, measure end-user experience, and develop virtual services to reduce backend and third-party dependencies.

Requirements

Requires 7+ years of hands-on performance testing and engineering experience with JMeter and application performance monitoring tools, along with strong Linux, scripting, analytical, and communication skills. Experience with large-scale distributed systems, Agile, cloud infrastructure, containers, databases, programming languages, and log management tools is relevant; Chaos Engineering and observability are desirable.

Skills

JMeter
Dynatrace
Performance Engineering
Performance Testing
Prometheus
Datadog
Workload Modeling
Root Cause Analysis
Scripting
Linux
Agile Methodologies
Distributed Systems
Azure
Kubernetes
MySQL
Java

Visa sponsorship

Not detected in the job text

Hiring contact

Praveen

Hiring contact email

praveen.s@themesoft.com

Keywords

JMeter
Dynatrace
Prometheus
Datadog
Performance Testing
Performance Engineering
Application Performance Monitoring
Non-Functional Requirements
Workload Modeling
Root Cause Analysis
Scripting
Linux
Agile
Distributed Systems
Large Data Volumes
Azure
Infrastructure as a Service
Docker
ECS
Kubernetes
MySQL
Java
Python
Splunk
Chaos Engineering
Observability
Test Data Management
UX Engine
Mountebank
Site Reliability Engineering

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