Location: Remote
Modality: Full-time Contractor
Salary / Rate: Approx. USD 5,500/month (reference only)
English: Professional / Advanced
Vacancies: 2 openings

? About the Role

We are looking for a Senior Software Engineer – AI with strong full stack expertise to help build scalable, high-volume applications in modern service-oriented architectures.

This role is ideal for someone who combines deep frontend and backend engineering experience with hands-on exposure to AI application frameworks and tooling. You will work on AI-powered products and scalable distributed systems, collaborating closely with cross-functional teams in an Agile environment.

The idóneo candidate has extensive experience building production-grade applications using TypeScript, React, Next.js, and Node.js, along with practical experience integrating AI frameworks such as Vercel AI SDK, LangChain, or LangGraph.

This position requires strong ownership, self-management, and the ability to contribute to both architecture and implementation decisions.

Responsibilities
- Design, develop,



and maintain scalable full stack applications
- Build and integrate AI-powered features using modern AI frameworks and SDKs
- Develop frontend applications using React and Next.js
- Implement backend services and APIs using Node.js frameworks such as Express or Fastify
- Create and maintain RESTful APIs and/or tRPC-based services
- Work with relational databases including PostgreSQL or MySQL
- Develop cloud-native solutions leveraging AWS services, especially AWS Lambda
- Collaborate with cross-functional teams in Agile development environments
- Ensure code quality through testing, automation, and engineering best practices
- Participate in technical discussions, architecture decisions, and live coding interviews

Requirements
- 9+ years of experience in software engineering
- Strong experience building high-volume, scalable applications
- Solid background working in service-oriented architectures
- Strong profic

📌 Senior Software Engineer – AI (Buenos Aires)
🏢 HRBaires
📍 Buenos Aires