Senior Full Stack Python/Django Engineer (Back End Focus)

Milestone Technologies, Inc. is seeking a Senior Full Stack Python/Django Engineer primarily focused on back-end development. The role involves leading cost reduction initiatives, optimizing telephony infrastructure, and enhancing AI voice model pipelines.

Responsibilities:

• Lead cost reduction initiatives targeting AI platform spend and telephony vendor relationships
• Optimize phone number provisioning and usage spend with Bandwidth and Twilio
• Develop and maintain core back-end services including Python/Django frameworks
• Engineer and optimize VoIP push delivery via APNS PushKit and FCM
• Manage and enhance voicemail processing pipelines using AWS S3
• Collaborate on handling OpenAI real-time voice models for voice-to-model and model-to-voice functionalities, balancing performance and cost

Requirements:

• 6+ Month W2 Contract (No C2C/No Visa Sponsorship or Student Sponsorship)
• Full stack development expertise with a primary focus on back-end systems
• Hands-on experience with Bandwidth or comparable telephony vendors such as Twilio
• Proven ability to identify, engineer, and implement solutions that reduce vendor and operational costs
• Strong background in Python and Django, specifically in backend-core projects (privybox, number, agent modules)
• Practical experience with VoIP push notifications through APNS PushKit and Firebase Cloud Messaging (FCM)
• Knowledge and management of voicemail pipelines using AWS S3
• Familiarity with OpenAI's real-time voice models (voice-to-model, model-to-voice), including cost-performance considerations, is a significant plus