Sangoma

UX Designer

Sangoma

full-time

Posted on:

Location Type: Remote

Location: Florida • United States

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Tech Stack

VoIP

About the role

  • Join Sangoma, a leader in business communications, as a UX Designer focused on desk phone device-based experiences.
  • You will be responsible for defining and evolving the interaction models, task flows, and usability foundations of Sangoma’s phone firmware and device interfaces.
  • Provide UX design for desk phones (embedded, hardware-constrained products) with physical keys, small and/or touch screen displays.
  • Define task flows and interaction patterns for telephony features such as calling, transfers, conferencing, voicemail, etc.
  • Create UX and UI artifacts including user flows, wireframes, and interaction specifications, icons, and graphics.
  • Produce clear interaction specifications and design documentation to support long development and maintenance cycles.
  • Collaborate closely with firmware engineers to ensure UX designs are accurately implemented.
  • Partner with Product Management to align UX decisions with real-world user needs and business priorities.
  • Identify edge cases, error states, and recovery paths to ensure reliability under real usage conditions.
  • Contribute to usability testing and incorporate feedback into iterative UX improvements.
  • Ensure designs/implementations support all corporate and regulatory standards.
  • Advocate for usability, consistency, and simplicity across Sangoma’s device ecosystem

Requirements

  • Minimum 3 years of experience (5+ years preferred) in UX and user interface design
  • You are naturally curious, eager to learn, and motivated to understand how design decisions translate into real behavior.
  • Demonstrated experience designing, task-focused, workflow-driven interfaces.
  • Strong understanding of human–computer interaction (HCI) principles, including cognitive load, affordances, and error prevention.
  • Comfortable prioritizing clarity, reliability, and speed of use over visual expressiveness when necessary
  • Ability to communicate UX rationale clearly to engineers and non-design stakeholders.
  • Proficiency with design tools such as Figma, Sketch, or similar
  • Experience working in cross-functional Agile product teams.
  • Preferred:
  • Experience with telephony, VoIP, or enterprise communications products
  • Experience designing constrained or non-traditional platforms, such as embedded devices, hardware products, enterprise tools, or operational systems.
  • Understanding of localization and internationalization considerations
  • Prior exposure to usability testing or field studies in enterprise or operational environments
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
UX designuser interface designinteraction modelstask flowsusability testinghuman-computer interaction (HCI)error preventionworkflow-driven interfaceslocalizationinternationalization
Soft Skills
curiositymotivation to learncommunicationcollaborationprioritizationadvocacy for usabilityclarity in rationaleiterative improvementproblem-solvingattention to detail