Performance Tester

About the company

First Line Software partners with the world's leading companies and organizations in industries such as healthcare, data development, warehouse automation, retail digitalization, mobile app development, e-commerce, and artificial intelligence (AI). AI is at the heart of our innovation, transforming industries and pushing the boundaries of what's possible. Our projects are as diverse as our people, and our people are as talented as they are. We prefer to work in a transparent and supportive team that shares our knowledge and successes. Let's see what we can create together!

The project and your role:

We are seeking an experienced Performance Tester to join our small, dynamic team for a project focused on ensuring the reliability and scalability of high-performing applications. This role involves the development, execution, and maintenance of load testing scripts using advanced tools, along with analyzing performance metrics to identify optimization opportunities.

Tech stack (must have):

Requirements:

• Experience with Load Testing Tools:
• Proficiency with tools like Grafana k6, JMeter, Gatling, LoadRunner, or similar.
• Experience in developing and maintaining load testing scripts.
• Ability to design and execute load tests and calculate accurate load profiles.

Technical Knowledge:

• Solid understanding of JavaScript for test development and automation.
• Familiarity with browser internals, including HTTP requests (GET, POST, DELETE, etc.), HTML structure, AJAX/XHR requests, and CSS/XPath selectors.
• Understanding of authentication mechanisms (session cookies, basic authentication via HTTP headers).
• Knowledge of SQL (queries, joins, grouping, nested queries).

Key Responsibilities:

• Load Testing Design and Execution: Develop and update load testing scripts to simulate real-world scenarios and application workflows.
• Performance Metrics Analysis: Collect, monitor, and analyze performance data to identify bottlenecks and optimization opportunities.
• Collaboration with Development Teams: Work closely with developers to communicate test results, provide insights, and recommend improvements.
• Monitoring and Reporting: Configure monitoring tools, collect system performance data, and prepare detailed reports.
• Test Documentation: Create, refine, and maintain test documentation to ensure clarity and accuracy.
• Process Automation: Automate key testing processes to improve efficiency and consistency.

What we can offer:

• Our modern stack projects are the right mix of exciting and challenging.

• Gain access to our diverse range of training programs, courses, and certifications.
• Choose your work style - remote, on-site or hybrid in one of our stunning offices. We offer the freedom of flexible working hours.
• Enhance your language skills with our corporate English classes.
• Work from anywhere and explore the world with our Workation program.