As Senior Technical Product Manager for our core API products, you will be part of an international team (product managers, developers, and architects) that plays a key role in shaping our company’s API strategy. You will work on solutions that meet both internal requirements and external partner needs—and ensure that APIs not only work, but inspire.Your responsibilities: You develop and be responsible for the company-wide API strategy and align it with our business and technology goals You define governance frameworks for our API platform and ensure compliance with them You manage the entire API lifecycle – from idea to design and deployment to versioning and decommissioning You develop guidelines for REST, GraphQL, and Async APIs and establish a decentralized design review process You support development teams with API documentation and ensure an optimal developer experience You analyze API usage and performance and derive strategic measures from this Your Profile: You have several years of relevant professional experience as a product manager, API strategist, or architect in a technical environment (e.g., API gateway, developer platform) You own in-depth knowledge of API protocols such as REST, OpenAPI/Swagger—ideally also GraphQL or Async APIs You are familiar with identity and access management (OAuth 2.0, JWT, identity providers) You can communicate complex technical concepts in an understandable way and impress with your confident stakeholder management skills You work in a structured and independent manner and have a hands-on mentality Very good English skills round off your profile You are open for hybrid work: 3 days from the office in Warsaw How about? Employment contract?Of course. With us you do not have to worry about stable employment. Benefits?We have them! Among other: corporate incentive program, sport card, private medical care. Lunch card?With the cooperation extended and permanent contract, you will receive additional funds to use for meal purchases. Working in a hybrid model?Of course! ! You work with us 2 days a week from home. Work wherever you want?In PAYBACK you have the opportunity. Working 100% remotely, also from European countries for 15 days a year. Flexible working hours?Sounds great! We start working between 7 to 10. Trainings?Of course. We provide training to develop hard and soft skills. Convenient location?Sure! We invite you to our new office at Rondo Daszyńskiego, but we are currently also working remotely. Dress code?We definitely say no. There are no rigid dress code rules in our company, sneakers are more than welcome. Friendly atmosphere at work?Yes! In PAYBACK, people are the most important asset‎. Something is missing?Open communication is our priority, so dare to ask!‎