[Remote] UX/UI Designer (Desk Phones)

Note: The job is a remote job and is open to candidates in USA. Sangoma is dedicated to empowering organizations through reliable Unified Communications and related solutions. In this role, you will own the end-to-end UX of Sangoma’s desk phone and device experiences, ensuring designs are implemented accurately while collaborating closely with firmware engineers and product management. Responsibilities Own the end-to-end UX of Sangoma’s desk phone and device experiences, from interaction models to execution Design for embedded, hardware-constrained environments with physical inputs, limited screens, and real-time expectations Define task-driven workflows for core telephony functions: calling, transfers, conferencing, voicemail, call handling, and more Develop and maintain UI artifacts including flows, wireframes, interaction specs, and system behaviors prioritizing speed, predictability, and low cognitive load Integrate AI tools across the design, implementation, and maintenance phase of product lifecycle Partner closely with firmware engineers to ensure designs are implemented accurately and perform reliably in production Work with Product Management/Ownership to align UX decisions with real-world usage, customer needs, and business outcomes Anticipate edge cases, failure states, and recovery paths in real-time communication scenarios Research regulatory factors and usability constraints Support the engineering team by contributing to usability testing and iterate based on real user behavior Help drive consistency and usability across Sangoma’s broader device ecosystem Skills Minimum of 1 to 3 years of experience (3 years preferred) in UX and user interface design, product design, or interaction 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 Ability to communicate UX rationale clearly to engineers and non-design stakeholders Proficiency with design tools such as Figma, Sketch, or similar Experience with telephony, VoIP, or enterprise communications products Experience designing for 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 Benefits Extensive Benefit Options (Health, Vision, Dental, Long & Short-term Disability) effective after a short waiting period Matching 401K program - 100% match on 4%. Employee Stock Purchase Plan after one year of service. Flexible Time Off & Company Holidays Entrepreneurial work environment partnered with high growth career opportunities Company Overview Sangoma Technologies Corporation (TSX: STC; Nasdaq: SANG) is a global leader in essential business communications. It was founded in 1984, and is headquartered in Markham, Ontario, CAN, with a workforce of 201-500 employees. Its website is