Full Stack Engineer – Fintech & AI

About the role

Quantsoft is seeking a Full Stack Engineer to join its fintech and AI team in Viña del Mar. The engineer will help build and maintain the software behind the company’s AI‑driven investment platforms, translating data‑intensive models and market signals into reliable, user‑friendly applications.

Key responsibilities

• Develop and maintain web applications for the EyeQuant and Turing products.
• Build dashboards, rankings, watchlists, back‑testing tools and other user‑facing analytics.
• Design and maintain REST APIs, database schemas, authentication flows and backend services.
• Work with AWS infrastructure, scheduled jobs, data pipelines and production deployments.
• Manage large financial databases containing millions of market records.
• Integrate AI/ML model outputs, quantitative signals and back‑testing results into production systems.
• Improve platform performance, scalability, reliability and security.
• Collaborate closely with founders, data scientists and quantitative researchers.

Required profile

• Strong full‑stack development experience building production web applications.
• Comfort working with large datasets and data‑intensive products.
• Interest in artificial intelligence, fintech and systematic trading.

Required skills

• JavaScript / TypeScript
• HTML & CSS
• Modern front‑end frameworks (React, Next.js, Vue or similar)
• REST API development
• Database design and integration
• Authentication systems
• AWS cloud services
• Git, automated testing, code reviews and CI/CD pipelines