About VoiceBWe build autonomous AI voice agents that close and qualify sales for large B2C enterprises — telcos, energy providers, insurers, banks.

La siguiente información tiene como objetivo proporcionar a los posibles candidatos una mejor comprensión de los requisitos para este puesto.

Our agents already run live inside companies like Vodafone España and Holaluz, and we're mid-rollout across an 8-market European deployment with Alpega/Teleroute.

We're a small team moving fast, and we're building the commercial engine to match the product.The roleWe're looking for a senior full stack engineer to join a small, high-ownership engineering team building the core VoiceB platform — the systems behind SuperVoice, SuperQualification, Memory, and our outcome tracking.

This is a remote role for someone based in Spain, working closely with our CTO and the rest of engineering.What you'll doBuild and ship features across the platform: backend services, APIs, third-party integrations (Salesforce, HubSpot, Twilio, SIP/WebRTC), and internal toolingOwn features end to end — design,



build, test, deploy, monitorPartner directly with the CTO and founders on architecture decisions as the platform scalesContribute to security and compliance hardening for enterprise clientsWhat we're looking for4+ years of full stack experience, comfortable owning features end to end on a small, fast-moving teamStrong in a modern JS/TS stack (React/Node or similar); comfortable with cloud infrastructure (AWS/GCP)Based in Spain, fully remote, able to overlap with Barcelona working hoursProduct-minded — you care about what gets built, not just howNice to haveExperience with real-time or telephony systems (SIP, WebRTC, Twilio)Experience integrating LLMs or other AI/voice tooling into production systemsEarly-stage startup experienceWhat we offerCompetitive salary + equityFully remote (Spain-based)Direct influence over the architecture of a product still being definedWe're hiring deliberately, not urgent

📌 Senior Full Stack Engineer (Córdoba)
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📍 Córdoba