✦ Luna Orbit — Software Engineering

Principal Presales Engineer, Product Specialist

at Twilio

📍 Remote - US Remote Posted March 19, 2026
Type Full-Time
Experience senior
Exp. Years 5+ years
Education Not specified
Category Software Engineering

This role involves serving as the technical authority for Voice, AI, and CPaaS solutions, supporting complex deal validation, and creating technical assets to enable sales success in high-tech verticals.

  • Develop expertise in platform and use cases
  • Design multi-product architectures
  • Support technical validation of deals
  • Create prototypes and proof-of-concepts
  • Document solution patterns

The candidate will work on multi-product architectures, prototypes, and proof-of-concept solutions involving CPaaS, Voice, AI, and contact center platforms, with a focus on hands-on validation and technical design.

The ideal candidate is a senior solution architect with 5+ years of experience in presales, solution design, and validation of complex multi-product solutions in CPaaS, Voice, and AI domains. They possess strong technical and communication skills, with a proven ability to collaborate across sales and engineering teams.

5+ years of presales or solution architecture experienceExperience in designing and validating complexmulti-product solutions2+ years of expertise in CPaaSVoiceor Contact Center solutionsDeveloping technical assets and prototypesPartnering with sales and engineering teams
Experience with AI solutionsExperience with contact center platformsProficiency in architecture diagramsExperience in hands-on validationIndustry knowledge in high-tech or ISV sectors
None specified
Solution ArchitectureCPaaSContact CenterAIPrototypingProof-of-ConceptTechnical validationMulti-product solutionsCustomer engagementArchitecture diagrams
Solution ArchitectureCPaaSVoiceAIContact Center solutionsPrototypingProof-of-ConceptsMulti-product architecturesTechnical validationCustomer engagement
CommunicationLeadershipProblem-solvingCollaborationTechnical validation
Industry SaaS
Job Function Solution architecture and technical validation for CPaaS, Voice, and AI solutions
Role Subtype Solution Architect
Solution ArchitectCPaaSContact CenterAIPrototypingProof-of-ConceptTechnical validationMulti-product solutionsCustomer engagementSolution validationTechnical assetsHands-on validationArchitecture diagramsSales collaborationComplex dealssolution architectcontact center solutionsprototypingproof-of-concepttechnical validationmulti-product architecturecustomer engagementsolution validation

Less than 5 years of relevant experience, Lack of experience in solution architecture or validation, No experience with CPaaS, Voice, or Contact Center solutions, Inability to collaborate with sales and technical teams

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