Senior Full-stack Engineer (Voice AI)
- No equity
- Remote (Buenos Aires Province Rio de Janeiro Mexico City Remote)
- 5 years of exp
- Contract

About the job

Senior Software Engineer

Required
- 5+ years of professional software engineering experience building and maintaining production applications.
- Strong full-stack engineering experience with a clear backend emphasis. This person should be capable on the frontend, but we are primarily looking for depth in backend architecture, APIs, data, integrations, and production systems.
- Strong professional experience with JavaScript, TypeScript, Node.js, Python, particularly for backend services, automation, AI integrations, or data-intensive workflows.
- Strong experience designing, building, and integrating REST APIs, webhooks, third-party APIs, and service-to-service integrations.
- Experience building and operating production systems in AWS, including familiarity with cloud infrastructure, deployment, storage, networking, logging, monitoring, and security concepts.
- Deep PostgreSQL and relational database experience,



including data modeling, schema design, migrations, indexing, query optimization, data integrity, and debugging performance issues.
- Experience designing backend systems that are reliable, maintainable, observable, and scalable, including appropriate use of queues, background jobs, caching, retries, logging, monitoring, and error handling.
- Demonstrated experience owning software through the full product development lifecycle: understanding requirements and customer problems, designing a solution, implementing it, deploying it, monitoring it, and iterating based on real-world usage.

AI and automation experience
- Strong hands-on experience building with LLMs, AI agents, and AI assistants in production.
- Ability to design agentic workflows where models can reason over context, call tools and APIs, execute multi-step tasks, maintain state, and interact reliably with external systems.
- Experience

📌 Senior Full-stack Engineer (Buenos Aires)
🏢 GENTY Recruitment
📍 Buenos Aires