Job Title: Founding Engineer

Company Name: Titan Mining

Job Details: RemoteFull,Time

Job Url: https://hiring.cafe/viewjob/59yl63ooqn64u1ek

Job Description: Posted 1d agoFounding Engineer@ Titan MiningView All JobsWebsiteSan Francisco, California, United StatesRemoteFull TimeResponsibilities:Design pipelines, Build voice AI, Own infraRequirements Summary:5+ years full-stack engineering at a VC-backed startup; experience with AI agents, voice AI, and LLM APIs; Node.js, React; AWS; infra ownership; Bay Area preferred; remote PST/CST considered.Technical Tools Mentioned:Node.js, React, Express, PostgreSQL, AWS, LLM APIs, Voice AI, Agent frameworks
Job Description:Seniority5 -​ 15 years of experience in full-​stack engineering at a VC-​backed tech startup (Seed to Series B)Work experienceExperience building AI agents and frameworksExperience with voice AI (e.​g.​,​ Deepgram,​ Vapi)EducationUndergrad in CS from top 50 schoolHard skillsProficiency in Node.​js and ReactExperience building with LLM APIs (e.​g.​,​ OpenAI,​ Anthropic)Infrastructure ownership:​ AWS Lambda,​ ECS,​ Docker deploymentsSoft skillsHighly autonomous,​ product-​minded,​ and self-​driven ownerMiscellaneousPrefer candidates in Bay Area (SF or Oakland),​ open to remote candidates in PST or CSTTraits to avoidCareer freelancers,​ consultants,​ or IT services backgroundsExperience exclusively at large,​ enterprise,​ slow-​moving companies e.​g.​ SAP,​ JP MorganHistory of very short tenures (e.​g.​,​ 5 jobs in 4 years)About this roleWe are looking for a Founding Engineer Lead with 5+ years of experience to join our founding team and help build our new, stealth HR tech product. You'll be a thought partner to the founders, making key infrastructure and architecture decisions for our AI-native solution from the ground up. This is a zero-to-one opportunity to build agentic workflows and voice AI systems that automate end-to-end human processes.What will you be doing?Design and ship agentic AI pipelines from scratch, creating multi-step, tool-using, and self-correcting workflows.Build and iterate on real-time voice AI systems, tackling challenges like low-latency speech pipelines, turn-taking logic, and interruption handling.Own infrastructure and architecture decisions for our new platform, thinking through the right approach for an early-stage product.Act as a thought partner to the founders on product strategy, contributing ideas and shaping the roadmap beyond just executing a spec.Help scale the engineering team and set the culture as an early, pivotal member of the team.Tech stackReact.js · Node.js · Express · PostgreSQL · AWS · LLM APIs (Anthropic, Gemini, OpenAI) · Voice AI (Deepgram, ElevenLabs, or equiv.) · Agent frameworks (LangGraph, CrewAI, or custom)