API Integration Engineer (Fixed Term)

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.

We are seeking a skilled API Integration Engineer to join our technical team in Warsaw. You will support Electronic Cash Register (ECR) integrations. As an API Integration Engineer your primary responsibility is to design maintain and optimize integrations with external clients with a specific focus on ECR API integration. This role requires a blend of technical expertise strong communication skills and problem-solving ability. You will serve as a technical liaison between engineering teams and customers/partners helping to troubleshoot and resolve integration issues and to prevent them from arising in the future.

Day-to-Day Responsibilities

• Provide technical support and hands-on integration assistance for the ECR API based Integration project
• Troubleshoot and resolve issues related to API connectivity and system interoperability
• Collaborate with development and QA teams to ensure robust integration solutions
• Monitor system performance and diagnose potential issues before they escalate
• Communicate effectively in English with clients and internal teams
• Manage project-related communications deliverables and status updates
• Use Jira for issue tracking and project management

Who are we looking for:

We look for big thinkers. People who can drive positive change step up and show whats next people with a passion a can-do attitude and a hunger to learn and practice this means:

• Good communication skills fluent in Polish and English. Knowledge of German is a plus.
• Open-minded and flexible
• Strong technical background (HW/SW environment)
• Experience with API integrations
• Familiarity with Jira and agile project practices
• Ready to work in an international context
• Team player with a good level of autonomy
• Bachelors degree or equivalent
• 4 - 5 years of experience ideally in a similar position

Perks & Benefits

At Worldline youll get the chance to be at the heart of the global payments technology industry and shape how the world pays and gets paid. On top of that you will also:

• Private medical & life insurance
• MyBenefit Platform
• Holiday allowance
• Referral program
• Public transportation allowance
• Meal allowance
• Annual bonus

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 a can-do attitude and a hunger to learn and grow. Here youll work with ambitious colleagues from around the world take on unique challenges as a team and make a real impact on 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 18000 innovators and shape a tomorrow that is yours to own.

Learn more about life at Worldline

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. Pursuant to the Article 24 sec. 6 of the Act of 14 June 2024 on the protection of whistleblowers we inform you that Worldline Financial Services (Europe) S.A. a joint-stock company Branch in Poland (hereinafter referred to as Worldline) is governed by the Regulations on the receipt of internal reports and taking follow-up actions (hereinafter referred to as the Regulations).

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