AI Engineer - Fintech

About Kiwi.com Kiwi.com is a leading global travel-tech company headquartered in the Czech Republic. Our innovative algorithm enables users to find better route options and prices other search engines can’t see, daily performing billions of price checks across 95% of global flight content. Are you bold, bright and curious? Join a global business that’s still got a start-up heart. About our Fintech Team In Fintech, we are responsible for all the monetary flows within Kiwi.com. A team of developers, payment specialists, business & data analysts and product magicians inside Kiwi.com. We are charged with building the pillars of everything directly or indirectly related to payments at Kiwi.com. Payments from our customers, payments to airlines and to travel agencies, carefully preventing fraudulent behavior and ensuring the financial safety of our customers - our impact makes it safer for you to travel! What you will do Cooperate on designing and building a new generation of high-impact tools, sharing insights and using AI to increase the overall efficiency. Support the end-to-end quality of our code by responsibly running robust unit, integration, manual, and automated testing to ensure collective success. Navigate the complexities of payment systems with a detailed approach, understanding the challenges of payment processes while mindfully mitigating security risks. Partner closely with product and business metrics to think beyond the codebase, bringing a shared curiosity to understand real-world traveler needs and ensure our technical solutions truly care for our users. Nurture close collaboration with our dedicated FinTech specialists and connect openly with third-party service providers to deliver reliable, high-quality features together. Dive deep into the world of global payments, masterfully sharing knowledge on how virtual credit cards, alternative payment methods (Apple Pay, Revolut), and 3DS authentication operate. Understand and decode fraudulent behavior, expanding your expertise in cutting-edge fraud detection systems to protect our community and platform. Uncover the shared logic behind financial reconciliation, learning exactly why it serves as a critical, supportive foundation for our long-term stability and business health. What you will need Your hands-on experience and drive to inherently use AI (Cursor or Claude Code) to eliminate manual development steps and accelerate your daily impact. Your strong analytical mindset and ability to evaluate multiple technical paths, navigate complex payment processes, and mitigate potential security risks. You are fluent in English with excellent written and verbal communication skills, ensuring clear and empathetic collaboration within lean, high-talent teams. You have a proven track record of debugging complex issues and driving long-term, sustainable technical fixes. You are fluent in Python and enjoy working with clean, stable, and maintainable code bases. Hands-on experience with relational databases—mainly PostgreSQL and Redis—along with a data-driven familiarity with BigQuery. Your solid knowledge of object-oriented design patterns, microservices architecture, REST principles, and asynchronous messaging systems like PubSub. You have a proven track record of sharing responsibility for deployment flows, showing a commitment to team success by collaborating on how we safely manage, nurture, and maintain our cloud infrastructure. We offer you We give our employees the freedom to choose between the environment of work from home and our office in Prague, situated in the heart of the Karlin district with an in-house gym, sleeping spots, canteen, showers, chillout zones, and free refreshments. We enjoy benefits, such as meal vouchers, 25 days of paid vacation, Cafeteria, sick days, VIP Medical Care, Multisport card, Makro Cash & Carry Card, Employee Assistance Program, and career development framework. Annual financial bonus based on company and individual performance. Relocation package (including visa transfer support). We're rewarding Kiwis with flight vouchers to celebrate their Kiwi anniversaries. Grow.Kiwi program which supports parents and keeps them engaged with the company. Dogs are welcome in our offices. Interested? Join us and help us make travel more accessible to all. Kiwi.com is proud to be an equal opportunity workplace and employer. We review applications for employment without regard to their race, colour, religion, sex, sexual orientation, gender identity, national origin, ancestry, citizenship, age, uniformed services, genetic information, physical or mental disability, medical condition, marital status, or any other basis prohibited by law. Throughout the recruitment process and for some time after it’s finished, we’re going to process your Personal Data. You can find all the necessary information in our Privacy Policy available at: https://jobs.kiwi.com/recruitment-privacy-policy/ .