Software Engineer | Remote South Africa | San Francisco AI Start-Up! at Nullspace | Torre
Software Engineer | Remote South Africa | San Francisco AI Start-Up!
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Software Engineer | Remote South Africa | San Francisco AI Start-Up!

You will scale enterprise AI infrastructure by building high-impact voice and banking solutions.
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Full-time

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Juan Fernando Domínguez
2 days ago

Requirements and responsibilities


This isn't another remote developer role. You'll join the engineering team of a fast-growing US AI startup building AI agents for some of the world's largest banks and insurers. Their technology handles millions of live customer interactions, solving problems most engineers never get the chance to work on: real-time Voice AI, enterprise telephony, legacy banking infrastructure and AI at scale.The RoleBuild and own core product features across backend systems, APIs and voice infrastructure.Ship production code used daily by Fortune 500 financial institutions.Spend 95%+ of your time building software.Own engineering problems from design through to production.Help build scalable infrastructure, AI orchestration, security and product features that directly impact customers.Why You'll Love ItFully remote from South AfricaSouth African working hoursPaid in US DollarWork directly with the US engineering teamReal enterprise customersAI-first productSmall team. Massive ownership.What You'll Bring3+ years' experience as a Software EngineerExperience working in a Series A (or similar stage) startup, with the pace and challenges that come with hypergrowthExperience modernising legacy systems into scalable architecturesStrong backend engineering fundamentals with the ability to own features end-to-end, from design through productionProficiency in TypeScript and/or Python (!)Bonus Points If You've Worked WithVoice & telephony platforms (Twilio, Telnyx, LiveKit, SIP, WebRTC, SRTP)High-throughput distributed systems, queue workers or event-driven architecturesPostgreSQL at scaleKubernetesKafka, ClickHouse or real-time data pipelinesAWS infrastructure (SQS, containerised deployments)Enterprise security, fintech or compliance environments (SOC2 / ISO27001)AI/ML integrations in production (LLMs, Voice AI)Contact centre or dialler platformsYou'll Thrive Here IfYou've experienced the early stages of a startup and want that challenge again.You care about writing elegant, scalable software - not just shipping code.You naturally take ownership rather than waiting for someone to assign work.You enjoy small teams, big responsibility and difficult engineering problems.Whether you're a Founding Engineer, Senior Engineer, Tech Lead or Staff Engineer looking to get back to building at startup speed, we'd love to hear from you.