Senior Product Developer, B2B Payments & APIs

Mastercard; Dunboyne; On-site; EUR 90,000 - 130,000; Full time

Job summary

Mastercard is seeking a Senior Specialist, Product Development on the SME team to drive new capabilities from concept to market validation and encoded requirements. This hands-on role partners with Engineering, Architecture and PM to deliver API-first products and platform enhancements for Small to Mid-Market customers.

You will own backlog and requirements, shape epics and user stories, and collaborate across teams to ensure scalable, secure solutions with measurable business impact.

Qualifications

• Bachelor's degree in a relevant field preferred.
• Experience in B2B payments, including AP, AR and virtual cards; ERP integration experience.
• Experience in product development or technical product management.
• Fluency with APIs, data flows and integration requirements.
• Ability to write epics, user stories, and acceptance criteria including non-functional requirements.
• Strong customer focus and analytical mindset.
• Proficient with Jira, Confluence, Aha!, and Figma.
• Excellent communication and collaboration across teams.

Responsibilities

• Partner with Engineering, Architecture, Data Science, Design, and Technical Program Management to define, prioritize, and deliver platform capabilities.
• Apply Working Backwards methodology to translate problems, objectives, and opportunities into epics, features, user stories, acceptance criteria, flows, and requirements.
• Own product backlog management, feature prioritization, and requirements refinement with clear dependencies and success metrics.
• Work with engineering teams to design scalable platform capabilities, APIs, integration frameworks, data models and workflows.
• Collaborate with development teams through SDLC, including sprint planning, backlog grooming, testing, release readiness, production rollout, and post-launch optimization.
• Align with internal/external technology providers to define integration requirements and support third-party capabilities.
• Measure feature adoption and platform performance, translating insights into product improvements.
• Maintain product documentation and provide regular roadmap updates to stakeholders.

Skills

B2B payments knowledge

AP/AR & virtual cards

APIs & data flows

ERP integration experience

Product development

Technical product management

Epics & user stories

Security & non-functional requirements

Customer-centric mindset

Analytical skills

Education

Bachelor's degree in a relevant field

Tools

Jira

Confluence

Figma

Aha!

Job description

Mastercard is seeking a Senior Specialist, Product Development on the SME team to drive new capabilities from concept to market validation and encoded requirements. This hands-on role partners with Engineering, Architecture and PM to deliver API-first products and platform enhancements for Small to Mid-Market customers.

You will own backlog and requirements, shape epics and user stories, and collaborate across teams to ensure scalable, secure solutions with measurable business impact.