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Sr Product Manager, Testing and Quality Assurance

Sinch

$150,000 - $180,000
Sep 25, 2025
Denver, CO, US
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Sinch Email is seeking an experienced Senior Product Manager to own and evolve its Testing and Quality Assurance product portfolio, including Mailgun Inspect and Email on Acid. The goal is to drive strategy, roadmap, and execution for tools that enable testing, QA workflows, and flawless email rendering across various clients and devices, ultimately enabling customers to ensure email quality at scale.

Requirements

  • Minimum of 5 years of demonstrated Product Management success building and scaling SaaS products within fast-paced, high-growth environments.
  • Experience in Product-Led growth strategy.
  • Working knowledge of the product development lifecycle, with proven experience in all phases including ideation, defining and communicating specifications, managing resources, leading cross-functional co-located and/or remote teams
  • Proficiency in analytics and using data to drive decisions, prioritize roadmaps and measure success.
  • Extensive experience building and managing API-based products with a deep understanding of developer personas and their expectations for usability, documentation and support.
  • General email industry expertise preferred.
  • Email HTML, QA, rendering or testing tools experience strongly preferred.

Responsibilities

  • Lead the strategy and roadmap for Mailgun’s QA and testing tools, defining how our platform enables customers to ensure email quality at scale.
  • Serve as the subject matter expert for testing workflows, engagement analytics and rendering QA to ensure a best-in-class product experience.
  • Conduct market analysis, customer research and competitive benchmarking to identify opportunities for growth and innovation in testing and deliverability intelligence.
  • Prioritize and manage a product backlog focused on testing, accessibility and QA features based on business impact and technical feasibility.
  • Define and communicate product requirements, user stories, epics and success metrics, tracking initiatives through to successful release.
  • Collaborate with cross-functional and interdepartmental teams to develop go-to-market strategies, technical documentation and educational resources (eg, technical documentation, developer guides, integration tutorials).
  • Analyze product metrics, customer feedback and market trends to refine strategy and inform roadmap decisions.

Other

  • Partner with key stakeholders—Design, Engineering, Data, Support, Marketing, and Sales—to identify gaps and opportunities, prioritize initiatives, and deliver impactful features that drive customer value.
  • Willingness to roll up your sleeves and do whatever is necessary; general manager/owner mentality.
  • Exceptional verbal and written communication skills.
  • Communicate product plans to and gain stakeholder support from executives, peers and cross-functional teams
  • Engage with developers, marketers and email communities (eg, Email Geeks) and external partners to gather feedback, foster adoption and expand awareness.