Senior Product Owner

Senior Product Owner Belgrade PayCore – PayCore / Full-Time / On-site apply for this job About Unlimit

Unlimit is a global fintech ecosystem built to eliminate financial borders holding businesses back. The company provides the extensive infrastructure needed to scale globally, integrating payment processing, multi-currency business accounts, BaaS and crypto gateways into a single, intelligent platform. Across 17 offices globally, Unlimit bridges hyper-local expertise with a high-capacity financial network, giving companies the agility to expand across regions with operational confidence and speed. Driving the evolution of payments, Unlimit is transforming its infrastructure from human-operated fintech into AI-native financial infrastructure — where APIs are consumed by machines, integrations are negotiated by agents, and systems evolve continuously through intelligent automation. Our next users are not only humans. They are AI agents acting on behalf of humans and businesses. Unlimit serves more than the needs of businesses today; we are building the nervous system for a borderless global economy. About the Role:

As Senior Product Manager – you will own and execute the strategy for Unlimit’s payment processing infrastructure, which powers global acquiring, transaction lifecycle management, and wallet operations. Your mission is to deliver scalable, compliant, and high-performing payment solutions that meet complex business requirements and evolving regulatory standards. This role requires deep expertise in card scheme rules (Visa, Mastercard), wallet architecture, and settlement logic, combined with a strong product mindset to drive innovation in areas like AI-powered optimization and processing automation. You will work closely with engineering, compliance, and finance teams to ensure Unlimit remains a leader in payment technology. Key Responsibilities

Payments Strategy & Execution

• Define and execute a core processing strategy, ensuring seamless, secure, and efficient transaction flows.

-Own the roadmap for

• Authorization, capture, refund, and chargeback logic.

-Multi-entity, multi-currency wallet structures and settlement processes.

-Integration of card scheme mandates and compliance-driven changes.

• Network tokenization and recurring transaction management.

• Performance and resilience improvements to support high-volume, global acquiring.

Introduce AI-driven capabilities to optimize approval rates, detect anomalies, and enhance fraud prevention.

Governance & Compliance

• Ensure strict compliance with card scheme mandates, PCI DSS, PSD2, and regional regulations.

• Stay ahead of scheme bulletins and regulatory changes, proactively embedding them into product design.

Innovation & Advanced Features

• Collaborate with AI teams to develop predictive analytics for transaction routing and fraud detection.

• Explore opportunities for automation in reconciliation, settlement validation, and dispute handling.

Collaboration & Influence

-Partner with internal stakeholders to ensure business readiness for new mandates and features.

• Act as the go-to subject matter expert for processing flows and card scheme rules across the organization.

Monitoring & Optimization

• Define and track KPIs (e.g., authorization success rate, settlement accuracy, processing latency).

- Drive continuous optimization through data analytics and AI-powered insights. Required Skills & Experience

5+ years of product management experience in payments, acquiring, or core processing systems.

Strong expertise in

• Card scheme rules and mandates (Visa, Mastercard).

• Wallet architecture and multi-entity settlement models.

Familiarity with IC++ pricing and scheme fee structures.

Proven ability to create detailed technical and functional specifications.

Experience with AI/ML use cases in payments (fraud prevention, predictive optimization).

Strong experience working with agile delivery frameworks (e.g., SAFe, Scrum).

Excellent stakeholder management and communication skills.

Nice-to-Have

Knowledge of network tokenization, risk management systems, and reconciliation automation.

Exposure to multi-region acquiring environments (LATAM, EU, Asia).

Understanding of regulatory frameworks (PCI DSS, PSD2, AML).

Why Join Us?

Lead the evolution of global payment infrastructure for a fast-growing fintech leader.

Work on complex processing and settlement challenges at scale.

Be part of a team that embraces AI-driven innovation and cutting-edge payment solutions.

Competitive salary, hybrid work flexibility, and international career growth.

Join Unlimit Team now! Unlimit is an equal opportunity employer. We believe passionately that employing a diverse workforce is central to our success. We make recruiting decisions based on your experience and skills. We welcome applications from all members of society irrespective of age, sex, disability, sexual orientation, race, religion or belief. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us. apply for this job

Qualifications: Senior, Product Owner, Full-Time, On-site, 5+ years product management experience, payments, acquiring, core processing systems, Visa, Mastercard, wallet architecture, multi-entity settlement models, IC++ pricing, AI/ML, fraud prevention, predictive optimization, agile delivery frameworks, SAFe, Scrum, stakeholder management, communication skills, PCI DSS, PSD2, AML