Ruby Labs

Technical Product Owner – Billing & Payments

Ruby Labs

full-time

Posted on:

Location: 🇺🇦 Ukraine

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Job Level

Mid-LevelSenior

Tech Stack

JavaScriptPythonRubySQL

About the role

  • Lead the delivery of the Payment Orchestration System MVP by coordinating the integration and implementation of new payment service providers, aligning technical initiatives with product strategy.
  • Own and prioritize the product backlog, translating business needs and stakeholder goals into clear, actionable user stories that guide engineering and integration teams.
  • Collaborate cross-functionally with Engineering, Integration, Architecture, and the Head of Payments & Billing to ensure timely, high-quality delivery of features and improvements across the payments ecosystem.
  • Define and adapt Agile workflows (SCRUM, Kanban, or hybrid) to fit team dynamics, driving efficiency through daily stand-ups, sprint planning, retrospectives, and other Agile ceremonies.
  • Manage and track work progress, ensuring transparency, accountability, and accurate reporting.
  • Maintain up-to-date product documentation, technical specifications, and decision records to foster alignment and knowledge sharing across teams.
  • Act as the primary point of contact for internal stakeholders, providing regular updates on progress, risks, and delivery timelines.
  • Champion Agile and product management best practices to continuously improve team performance, product quality, and customer value delivery.
  • Support QA and UAT efforts to ensure reliability and compliance of payment and billing subsystems.
  • Contribute to cross-functional initiatives as needed, supporting broader product and organizational goals.

Requirements

  • Proven experience as a Product Owner or Technical Product Manager, preferably in fintech, payments, billing, or SaaS environments.
  • Strong understanding of payment ecosystems, including PSPs, payment orchestration, billing flows, and integration models.
  • Solid knowledge of RESTful APIs, including ability to read API documentation, understand request/response cycles, and collaborate with engineers on interface definitions.
  • Familiarity with SDKs and developer tools; capable of supporting integration efforts and assessing third-party SDK capabilities.
  • Basic programming/scripting knowledge (e.g. JavaScript, Python, or similar) to support technical discussions, perform lightweight testing, or work with tools like Postman and Swagger.
  • Experience with Agile methodologies (SCRUM, Kanban, or hybrid models); ability to lead Agile ceremonies and continuously improve team workflows.
  • Proficiency with product and project management tools (e.g. JIRA, Confluence, Plane.so, Outline).
  • Ability to write clear and concise user stories, acceptance criteria, and technical documentation.
  • Strong communication skills, with the ability to bridge technical and non-technical stakeholders.
  • Experience coordinating cross-functional teams, especially Engineering, Architecture, QA, and external partners.
  • Prior experience with PCI compliance, fraud prevention, or billing automation in a product context.
  • Knowledge of testing frameworks.
  • Familiarity with data analysis tools (e.g. Looker, SQL, or similar) for product insights and validation.
  • Previous involvement in system migrations, particularly payment infrastructure transitions or tool replacements.