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South Geeks

Senior QA Engineer (JS/TS)

Sorry, this job was removed at 04:20 p.m. (CST) on Friday, Sep 05, 2025
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Hi there :)

Thanks for checking in to find out about our open position. We´ll provide as much information as possible, but please feel free to reach us if you have further questions. We´ll be happy to see your application, even if there are skills you don't quite master!

About the Role
We’re looking for a Senior QA Engineer to join a project with our client, a leading crypto prime dealer for institutional investors. You’ll play a key role in ensuring the highest quality standards across their SaaS, web, and mobile platforms, particularly within the fast-paced world of trading systems. This is your opportunity to contribute to innovative initiatives in the crypto space while maintaining the reliability and performance of cutting-edge technologies.

What you need to succeed in this role

  • 5+ years of experience in QA Engineering, with a focus on SaaS, web, and mobile applications.

  • Strong experience with JavaScript and TypeScript in automated testing environments.

  • Expertise in Mocha/Jest for JavaScript/TypeScript-based applications.

  • Proficiency in API testing tools like Postman/Insomnia.

  • Skilled in writing SQL queries for backend testing.

  • Understanding of trading systems, with the ability to navigate and test related functionality.

  • Strong problem-solving skills and attention to detail.

  • Experience working in agile/scrum environments.

  • Excellent communication skills to collaborate with both technical and non-technical teams.

If you get the job, you will have to:

  • Develop and execute automated test scripts using JavaScript, TypeScript, Mocha, and Jest.

  • Perform functional, regression, and performance testing on web and mobile applications.

  • Design, implement, and maintain API testing strategies using Postman/Insomnia.

  • Write and optimize SQL queries to test database functionality.

  • Collaborate with developers to identify areas for test automation and improve existing processes.

  • Manage the test lifecycle, from test planning through execution, defect tracking, and reporting.

  • Contribute to continuous improvement initiatives for QA practices and automation tools.

About the Client
This position is for a client who is a full-service crypto prime dealer for institutional investors, providing the liquidity, security, and infrastructure needed to unlock the full potential of digital assets. They are at the forefront of innovation in the crypto world and offer a dynamic environment for technical professionals.

About Us
Here at South Geeks, we engage top-performance Software Developers from Latin America to join our clients' teams worldwide. We seek to generate a place of inspiration and growth where individuals can voice their opinions, feel cared for, heard, and valued. We promote an environment of personal and professional development and follow up individually on your needs and concerns. We want to create a space where everyone may be inspired and thrive!

What We Offer

  • Long-term projects

  • 100% remote work

  • Payment in USD

  • PTO

  • English lessons

  • Technical training

  • Career Coaching

  • And more…

This position is available for LATAM residents only.

What you need to know about the Chicago Tech Scene

With vibrant neighborhoods, great food and more affordable housing than either coast, Chicago might be the most liveable major tech hub. It is the birthplace of modern commodities and futures trading, a national hub for logistics and commerce, and home to the American Medical Association and the American Bar Association. This diverse blend of industry influences has helped Chicago emerge as a major player in verticals like fintech, biotechnology, legal tech, e-commerce and logistics technology. It’s also a major hiring center for tech companies on both coasts.

Key Facts About Chicago Tech

  • Number of Tech Workers: 245,800; 5.2% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: McDonald’s, John Deere, Boeing, Morningstar
  • Key Industries: Artificial intelligence, biotechnology, fintech, software, logistics technology
  • Funding Landscape: $2.5 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Pritzker Group Venture Capital, Arch Venture Partners, MATH Venture Partners, Jump Capital, Hyde Park Venture Partners
  • Research Centers and Universities: Northwestern University, University of Chicago, University of Illinois Urbana-Champaign, Illinois Institute of Technology, Argonne National Laboratory, Fermi National Accelerator Laboratory

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