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Quality Assurance Engineer, Fintech

Optasia

Heraklion, Crete, Greece Hybrid permanent

Posted: March 23, 2026

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Quick Summary

Quality Assurance Engineer in Fintech, Heraklion, Crete, Greece, with a strong passion for delivering high-quality software solutions.

Job Description

Optasia is a fully enabled B2B2X financial technology platform covering scoring, financial decisioning, disbursement and collection. We are committed to enabling financial inclusion for all. We are changing the world our way.

We are seeking for enthusiastic professionals, with energy, who are results driven and have can-do attitude, who want to be part of a team of likeminded individuals who are delivering solutions in an innovative and exciting environment. As a Quality Assurance Engineer, you will work closely with all members of the software development team to validate products, verify any defect resolutions and record defects and report on test results, while actively identifying any major risks to the success of the project. Your input will be key in interpreting and implementing quality assurance standards and your expertise will be used in reviewing requirements, specifications and technical design documents, to provide timely and meaningful feedback that will ensure the successful completion of each project.

What you will do

• Review technical requirements and specifications, providing timely feedback.
• Develop structured test plans and cases for comprehensive testing.
• Execute both manual (white box, black box) and automated test cases, covering smoke, sanity, and regression tests.
• Identify, document, and track bugs.
• Automate test cases, enhancing testing efficiency.
• Support User Acceptance Testing (UAT) with clients.
• Work with Project Delivery and Account Managers to ensure timely, quality releases.
• Investigate and resolve live environment issues alongside clients.

What you will bring

• 3+ years of Software Testing experience.
• Knowledge of QA methodologies, Software Delivery Life Cycle, white/black box testing.
• Experience with QA platforms (XRay, TestLink), bug tracking systems (Jira), Unix/Linux/Windows, scripting (Python), SQL, HTTP, and TCP/IP.
• Experience in working with secure code development guidelines and coding practices (i.e. OWASP, NIST)

Your key attributes

• Detail-oriented, proactive, and accountable.
• Strong communication skills and team focused.
• Adaptable to a fast-paced, creative environment.

Why you should apply
What we offer:
💸 Competitive remuneration package
🏝 Extra day off on your birthday
💰 Performance-based bonus scheme
👩🏽‍⚕️ Comprehensive private healthcare insurance
📲 💻 All the tech gear you need to work smart

Optasia’s Perks:
🎌 Be a part of a multicultural working environment
🎯 Meet a very unique and promising business and industry
🌌 🌠 Gain insights for tomorrow market’s foreground
🎓 A solid career path within our working family is ready for you
📚 Continuous training and access to online training platforms
🥳 CSR activities and festive events within any possible occasion
🍜 Enjoy comfortable open space restaurant with varied meal options every day
🎾 🧘‍️ Wellbeing activities access such as free on-site yoga classes, plus available squash court on our premises

Optasia’s Values 🌟

#1 Drive to Thrive: Fully dedicated to evolving. We welcome all challenges and learning opportunities.
#2 Customer-First Mindset: We go above and beyond to meet our partners’ and clients’ expectations.
#3 Bridge the Gap: Knowledge is shared, information is exchanged and every opinion counts.
#4 Go-Getter Spirit: We are results oriented. We identify any shortcomings that hold us back and step up to do what’s needed.
#5 Together we will do it: We are committed to supporting one another and to understanding and respecting different perspectives, as we aim to reach our common goals.

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