61L - Fullstack Engineer (ReactJS/Next.js/Azure/AI) · Senior · LATAM

Disclaimer – Must read: Commitment & Focus. This role requires full-time dedication, with clear priority given to Darwoft projects during the established working hours. It is not compatible with other full-time professional engagements. Any additional professional activities must be disclosed in advance and must not interfere with the responsibilities or working hours of this role.Full-Stack Engineer (React/Next.js/TypeScript/Azure/AI) · Senior · LATAMLocation: Anywhere in LATAMJob Type: Remote Project: AI Content Creation PlatformTime Zone: Flexible (overlap with US preferred)English Level: Strong proficiency (B2+/C1)Get to Know UsAt Darwoft, we create software that drives real change. But we're more than just tech — we're people first. We believe in building human-centered digital experiences and having fun while we do it. Our team is curious, passionate, and always growing.Based in Latin America, we partner with companies worldwide to develop innovative solutions with heart and purpose. We work remotely, collaboratively, and with a strong sense of community.About the RoleWe're looking for a Senior Full-Stack Engineer to join an innovative AI-driven platform focused on transforming how athletes and creators generate social media content.You'll work in a high-impact, early-stage environment, collaborating directly with a Fractional CTO, Product Manager, and CEO. The platform leverages LLMs, multi-agent architectures, and identity-based personalization to deliver scalable, high-quality content across multiple social platforms.This role requires someone comfortable navigating complexity, extending existing systems, and contributing to a rapidly evolving product.What You'll Be DoingBuild and evolve full-stack features using TypeScript, React, and Next.jsWork on a multi-tenant SaaS architecture with AI-driven capabilitiesIntegrate and orchestrate LLM-based and agent-based systemsDevelop and maintain integrations with social media APIs (X, LinkedIn, Instagram, TikTok)Collaborate closely with product and leadership on technical decisionsContribute to scalable frontend architectures (App Router, Server Components, streaming)Implement authentication and authorization flows (OAuth / SSO)Ensure code quality through testing and solid engineering practicesWork within a monorepo environment and extend existing patternsWhat You Bring7+ years of experience as a Full-Stack EngineerStrong expertise in TypeScript and strictly typed codebasesProven experience with React and Next.js (modern patterns)Hands-on experience building cloud-based applications (Azure preferred)Solid understanding of OAuth / SSO authentication flowsExperience working in fast-paced, ambiguous environmentsStrong communication skills in English and proactive mindsetExperience writing tests (Vitest or similar)Nice to HaveExperience with Convex or similar real-time backendsExposure to AI/LLM integrations, prompt engineering, or agent-based systemsExperience with multi-tenant SaaS architecturesFamiliarity with monorepos (Turborepo, pnpm workspaces)Experience in audio/media processing (WebAudio, transcription pipelines)Background working with social media platforms APIsKnowledge of analytics and event tracking systemsInterest or experience in content creation or creative domainsPerks & BenefitsContractor agreement with payment in USD100% remote workArgentina's public holidaysEnglish classesReferral programAccess to learning platformsThis is a high-ownership role where your technical decisions will directly impact the product evolution and scalability of an AI-first platform.Explore this and other opportunities at: www.darwoft.com/careersOriginally posted on Himalayas