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tobiasdave

tobia

@tobiasdave

build AI powered voice agents that answer calls, qualify leads, and book appoint

United Kingdom
About me
Hi, I'm Tobias — an AI Voice Agent developer with 10+ years of experience building conversational AI systems for businesses across fintech, healthcare, real estate, and SaaS. I specialize in end-to-end voice AI pipelines: from prompt engineering and LLM integration to telephony setup with Twilio, Vapi, Retell AI, and ElevenLabs. Whether you need a sales bot, an appointment-booking agent, or a customer support voice system ✔ Natural-sounding AI voices ✔ CRM & calendar integrations ✔ Inbound & outbound call flows ✔ Full handoff to live agents when needed... Read more

Skills

t
tobiasdave
tobia
Offline • 
Average response time: 1 hour

See my services

AI Websites & Software
I will create a custom ai phone agent using vapi, twilio, and chatgpt
From$150 / projectMore details

Work experience

Nexar

Senior AI Voice Agent Engineer

Nexar • Full-time

May 2020 - Present • 6 yrs 2 mos

Lead engineer responsible for designing and deploying AI-powered voice agent systems for enterprise clients across fintech, insurance, and SaaS industries. Managed end-to-end delivery — from architecture design to post-launch optimization

AI Automation Engineer

Synapse • Freelance

Sep 2019 - Present • 6 yrs 10 mos

First in-house AI hire at a digital agency serving African fintech and e-commerce clients. Built the agency's first conversational AI product line, which became a core revenue stream within 18 months of launch. Architected the agency's internal AI automation framework, reducing manual client onboarding time from 5 days to under 8 hours Built IVR-to-AI migration pipelines for 3 Nigerian fintech clients transitioning from legacy call systems to intelligent voice agents Developed chatbot-to-voice handoff systems that allowed users to start interactions on WhatsApp and escalate to a live AI voice call Trained and fine-tuned NLP models for Nigerian English and Pidgin language patterns to improve speech recognition accuracy Launched a reusable voice agent template library that cut new client delivery time by 70%, later adopted across all agency projects

Voice_Express

Conversational AI Developer

Voice Express • Freelance

Aug 2022 - Aug 2023 • 1 yr

agencies. Focused on natural language understanding, dialogue flow design, and telephony integration across multiple client verticals. Designed multi-turn conversation flows for real estate agencies, handling property enquiries, viewing bookings, and buyer qualification automatically Built an outbound AI cold-calling system for a fintech startup that contacted 1,000+ leads per day with a 34% positive response rate Integrated Retell AI and Deepgram STT for low-latency, high-accuracy speech-to-text pipelines on inbound call systems Created escalation logic and live agent handoff protocols, reducing dropped calls by 45% for a client contact center Delivered full technical documentation and video walkthroughs for every deployment, enabling client teams to self-manage post-handover