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[Hiring] QA Engineer @Arena.im

Arena.im

United States

Remote

USD 70,000 - 100,000

Full time

14 days ago

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Job summary

Arena.im, a leading AI startup in Silicon Valley, is looking for a passionate QA Engineer. This remote role involves ensuring quality across products by testing web applications and APIs and collaborating with a dynamic team. Join us to help build communities for creators using cutting-edge AI technology. Competitive salary and benefits, including 4 weeks paid time-off and a learning budget, await you.

Benefits

Competitive salary package & benefits
4 weeks of paid time-off
Learning and Development budget
Fast-learning environment
Work-life balance

Qualifications

  • 6-18 months experience in QA or testing software.
  • Familiarity with Cypress, Jest, or Selenium.
  • Basic knowledge of JavaScript or TypeScript.

Responsibilities

  • Collaborate with product and engineering to define test strategies.
  • Write and maintain manual and automated test cases.
  • Run exploratory and regression tests for new features.

Skills

Testing Software
Automated Testing
JavaScript
REST APIs
Enthusiasm to Learn
English (Advanced)

Tools

Cypress
Jest
Selenium

Job description

Jun 20, 2025 - Arena.im is hiring a remote QA Engineer. Location: Brazil.

About Arena:

Arena is a Series A company backed by top-tier investors such as CRV, Redpoint and Craft Ventures. Arena offers a unique work environment and the chance to collaborate with diverse teammates across multiple countries, with a culture of ownership (autonomy, growth, and responsibility).

We are a startup created in Silicon Valley with a mission to build communities for creators, publishers and brands with the power of AI. Companies using Arena include Disney, Reuters, Fox, Red Bull and NFL. We have +2,000 customers in 150 countries and with +50M users having conversations on Arena per month and engaging with our Agent AI.

Sometimes you're stuck in a job that doesn't make sense. Refactoring code from ages ago, the stack is miles away from what it's supposed to be. If you love a good challenge, enjoy solving meaningful problems, and want to be a part of one of the fastest-growing AI startups in the Silicon Valley — then Arena is the company you're looking for.

About the Role:

We’re looking for a QA Engineer who’s passionate about technology, curious about how things work, and eager to ensure quality across our products. You’ll join a supportive, fast-paced environment and collaborate with experienced engineers to test web applications, APIs, and new features as they’re developed.

This is a great opportunity to grow in a company that values mentorship, ownership, and continuous learning.


What you will be doing:
  • Collaborate with product and engineering to understand requirements and define test strategies.
  • Write and maintain **manual and automated test cases** for web applications and APIs.
  • Run exploratory and regression tests for new features and releases.
  • Help monitor issues in production and identify patterns for improvement.
  • Contribute to maintaining and expanding our automated test suite using Cypress and Jest.
The challenges:
  • Real-time messaging to support 100,000 concurrent users per customer application;
  • High performance: our API responses are in the 10ms range;
  • High scalability: we use sharding, master-master, and master-slave to ensure scalability;
  • High availability: our code is running on homepages of the most visited websites and apps in the internet;
  • Distributed databases for our Data Platform storing every user engagement.
You Might Be a Fit If You Have:
  • Some experience (6–18 months) in QA or testing software
  • Familiarity with tools like Cypress, Jest, or Selenium.
  • Basic knowledge of JavaScript or TypeScript.
  • Understanding of REST APIs and how to test them.
  • Enthusiasm to learn, ask questions, and work in a collaborative environment.
  • Advanced English (spoken and written).
Nice-to-Have Experience:
  • Experience with HTML/CSS and browser dev tools.
  • Exposure to mobile testing (iOS or Android).
  • Understanding of how CI/CD and deployment pipelines work.
  • Curiosity about how distributed systems scale.
Example Projects You’ll Be Working on:
  • Build automated test suites and test cases for web apps, mobile apps, and APIs;
  • Build early warning systems that detect production environment errors;
  • Certify production releases;
  • Manual testing, where necessary – we prefer automated tests!
  • Continuously improve and maintain quality standards;
  • Analyze error patterns to identify repeating types of issues;
  • Monitor error and debug sources for production issues.
We also have some sweet perks like:

Be a part of the team in Silicon Valley and join a global team

A team of exceptional engineers leading the cutting-edge AI Agents.

Competitive salary package & benefits

️ 4 weeks of paid time-off

Learning and Development budget

Key moment to join Arena in terms of growth and opportunities

Ability to put your stamp on real-world AI applications that serve millions of users.

Fast-learning environment, entrepreneurial and strong team spirit

Multiple nationalities: cosmopolite & multi-cultural mindset

️ Our people matter, work-life balance is important at Arena

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