Senior Fullstack Developer

Job Title: Senior Full Stack DeveloperLocation: Remote – Latin America PreferredType of Contract: Full-Time | RemoteSalary Range: Market RatesLanguage Requirements: Strong written and verbal English communication skillsWe are seeking a skilled Senior Full Stack Developer with experience in real-time systems, multi-service architectures, and modern web technologies to join our growing team at Equate Media. You will play a key role in strengthening and expanding a high-volume communications platform that supports thousands of inbound and outbound calls daily. Your work will directly impact operational efficiency, platform reliability, AI-driven automation, and business performance across live production systems.Key ResponsibilitiesQuickly ramp up within an existing multi-service production platform and contribute across multiple repositories and servicesInvestigate, troubleshoot, and resolve production issues spanning frontend applications, backend services, telephony systems, databases, and infrastructureBuild and improve systems supporting real-time call flows, lead routing, buyer matching, and dispatch operationsDevelop scalable backend services and APIs using Node.js, TypeScript, NestJS, Python, and FastAPIBuild and enhance internal operational interfaces using Vue 3, TypeScript, React, and Next.jsArchitect and integrate AI-powered capabilities including transcription, summarization, automated dialing decisions, and workflow automationContribute to technical architecture decisions while improving engineering standards, observability, maintainability, and system reliabilityMust-Have Qualifications5+ years of professional experience as a Full Stack Software Engineer working in production environmentsStrong expertise in Node.js and TypeScript with the ability to work across Python and PHP services as neededStrong frontend development experience with Vue 3 or extensive experience in modern frontend frameworks with the ability to quickly adapt to Vue-based applicationsProven experience working within complex, existing production systems and multi-service architecturesHands-on experience debugging full-stack issues across frontend, backend, databases, infrastructure, and real-time systemsExperience with MySQL, Redis, Postgres, AWS, and modern observability tools such as Grafana, CloudWatch, or SentryStrong ownership mindset with the ability to operate independently in a fast-paced, high-impact environmentPreferred QualificationsExperience with telephony platforms, VoIP, SIP, Twilio, or CPaaS providersFamiliarity with WebRTC, Socket.IO, browser-based softphones, and real-time event-driven systemsExperience integrating LLMs and AI workflows into commercial production applicationsKnowledge of LangChain, LlamaIndex, Pipecat, vector databases, or embedding pipelinesExperience with real-time audio streaming and WebSocket-based AI processingBackground working in polyglot environments combining JavaScript/TypeScript, Python, and PHPExperience modernizing legacy systems while continuing to deliver new product functionality