Darwoft
61L - Fullstack Engineer (ReactJS/Next.js/Azure/AI) · Senior · LATAM
DarwoftArgentina18 hours ago
Full-timeEngineering, Information Technology
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
  • LATAM
  • Location: Anywhere in LATAM
  • Job Type: Remote
  • Project: AI Content Creation Platform
  • Time Zone: Flexible (overlap with US preferred)
  • English Level: Strong proficiency (B2+/C1)


Get to Know Us

At 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 Role

We'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 Doing

  • Build and evolve full-stack features using TypeScript, React, and Next.js
  • Work on a multi-tenant SaaS architecture with AI-driven capabilities
  • Integrate and orchestrate LLM-based and agent-based systems
  • Develop and maintain integrations with social media APIs (X, LinkedIn, Instagram, TikTok)
  • Collaborate closely with product and leadership on technical decisions
  • Contribute to scalable frontend architectures (App Router, Server Components, streaming)
  • Implement authentication and authorization flows (OAuth / SSO)
  • Ensure code quality through testing and solid engineering practices
  • Work within a monorepo environment and extend existing patterns


What You Bring

  • 7+ years of experience as a Full-Stack Engineer
  • Strong expertise in TypeScript and strictly typed codebases
  • Proven experience with React and Next.js (modern patterns)
  • Hands-on experience building cloud-based applications (Azure preferred)
  • Solid understanding of OAuth / SSO authentication flows
  • Experience working in fast-paced, ambiguous environments
  • Strong communication skills in English and proactive mindset
  • Experience writing tests (Vitest or similar)


Nice to Have

  • Experience with Convex or similar real-time backends
  • Exposure to AI/LLM integrations, prompt engineering, or agent-based systems
  • Experience with multi-tenant SaaS architectures
  • Familiarity with monorepos (Turborepo, pnpm workspaces)
  • Experience in audio/media processing (WebAudio, transcription pipelines)
  • Background working with social media platforms APIs
  • Knowledge of analytics and event tracking systems
  • Interest or experience in content creation or creative domains


Perks & Benefits

  • Contractor agreement with payment in USD
  • 100% remote work
  • Argentina's public holidays
  • English classes
  • Referral program
  • Access to learning platforms


This 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/careers

Key Skills

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