General Index (GX) is a commodity benchmark provider based on the most data. We produce over 4,700 daily energy prices - in crude oil & refined products, biofuels, hydrogen, and carbon markets - which our clients use to make critical energy & investment decisions. GX's unique approach collates thousands of trades from 225+ data partners and applies expert-designed algorithms based on detailed methodologies to calculate prices. GX benchmarks are robust, consistent and compliant with IOSCO and FCA requirements.
Backed at Series A by Chalfen Ventures and 20VC (Harry Stebbings), GX has an experienced team with proven leadership - as well as a rapidly growing customer and partner base.
With offices in London, Krakow, Houston, and Singapore, GX continues to expand rapidly and is now hiring QA Engineer to support our next phase of growth.
About the role:
We are looking for a motivated QA Engineer to join our growing development team. This is a fantastic opportunity for someone early in their career to gain hands-on experience building quality assurance processes that power critical energy and commodities data for our global clients. You'll work directly with our developers and Head of Technology and be part of our rapid growth story as a Series A fintech company.
- Develop and maintain automated test scripts using tools like Selenium, Cypress, Playwright or similar to validate feature functionality
- Execute daily test runs, analyze results, and report defects using bug-tracking systems such as Jira
- Collaborate with developers to reproduce and troubleshoot issues, ensuring timely resolution
- Participate in planning and review meetings to align testing efforts with development goals
- Continuously improve test automation frameworks to enhance coverage and efficiency
- Learn and grow your testing skills in a real-world development environment
You offer:
- Bachelor's degree in Computer Science, Engineering, or a related field
- Excellent command of English, both written and verbal, for effective communication in a global team
- Proven experience (1+ years) in automated testing with tools like Selenium, Cypress, Playwright, or equivalent
- Strong understanding of software testing methodologies, including functional, regression, and performance testing
- Familiarity with bug-tracking tools (e.g., Jira) and version control systems (e.g., Git)
- Ability to write clean, maintainable code in scripting languages such as Python, JavaScript, or Java
- Strong problem-solving skills and a proactive attitude toward identifying and resolving quality issues
We offer:
- Part time job offer (3 days a week)
- Office in Zabłocie, Krakow
- Competitive base salary
- Luxmed
- Multisport
- Regular off sites and team socials, with a positive and high-energy culture
A diversity of identity, perspective, and experience makes us stronger. We welcome you to apply to GX regardless of your background, age, gender, ethnicity, orientation, or ability.
Don't meet all the requirements? At GX we believe that professional development happens through teaching and learning from your peers and managers. Even if you’re uncertain about whether you have the experience we’re looking for, please apply if this position sparks your curiosity and you have a real interest or passion in what we are doing.
