Python Developer

 Bucharest

This is Worldline.

We are the innovators at the heart of the payments technology industry, shaping how the world pays and gets paid. The solutions our people build today power the growth of millions of businesses tomorrow. From your local coffee shop to unicorns and international banks. From San Francisco to Auckland. We are in every corner of the world, in every part of commerce. And just as we help our customers accelerate their business, we are committed to helping our people accelerate their careers. Together, we shape the evolution.

The Opportunity

We seek an experienced Python Developer to join our dynamic team in Debit Issuing Tribe. You will be in charge of developing Python modules in collaboration with colleagues in different countries and in responsible for support and drive analysis, and solution of new requirement & production issues.

Day-to-Day Responsibilities​

• Design and optimise scalable backend services to process high-volume card payment transactions 
• Development and maintenance of Python modules for data processing and reporting 
• Write clean, maintainable code following best practices and conduct code reviews within the development team 
• Debug and troubleshoot data issues reported by users or identified during maintenance cycles 
• Participate in agile development processes and contribute to continuous improvement of the fraud detection system 

Who Are We Looking For

We look for big thinkers. People who can drive positive change, step up and show what's next – people with passion, can-do attitude and a hunger to learn and grow. In practice this means:

• Degree in software engineering or equivalent, with 4+ years of experience developing complex Python modules.
• Excellent Python and SQL/PL-SQL skills, with strong knowledge of relational databases (Oracle, Postgres).
• Experience designing high-volume, low-latency, mission-critical applications with high availability and performance.
• Skilled in Linux environments, production issue analysis, and working with full technical stacks.
• Strong analytical abilities, high motivation, and effective collaboration in international, distributed teams.
• Experience with cloud database technologies (e.g., BigQuery), fraud detection systems, and DevOps/Agile practices.
• Proficiency in English is mandatory.

Perks & Benefits

In addition to joining a global leader in payments, you can also expect an excellent range of benefits. These include a rewarding salary, leave days, an attractive pension scheme, global learning days and many more. We also have location specific benefits, varying from private medical insurance, to extended parental leave and a flexible benefits scheme, allowing you to purchase discounted products and services.

If you join us, you will enjoy:

• Hybrid Working Policy
• Gift vouchers on the occasion of Christmas/Easter Holidays
• Free private medical services
• 21 vacation days/year
• Referral bonuses for new hires recommended by you
• WFH & Flexible Working Hours
• Full access to the "Learning" platform

Shape the evolution.

We are on an exciting journey towards the next frontiers of payments technology, and we look for big thinkers, people with passion, can-do attitude and a hunger to learn and grow. Here you'll work with ambitious colleagues from around the world, take on unique challenges as a team, and make a real impact on the society. With an empowering culture, strong technology and extensive training opportunities, we help you accelerate your career - wherever you decide to go. Join our global team of 18,000 innovators and shape a tomorrow that is yours to own.

Learn more about life at Worldline at 

We are proud to be an Equal Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as an individual with a disability, or any applicable legally protected characteristics.