Work Experience.

Senior Full-Stack Engineer (2025 - Present) | Santiago, Chile

End-to-end development across all phases: analysis, architecture, development, testing, CI/CD, deployment and maintenance.

Technologies: Node.js, NestJS, Python/Django, React, Next.js, TypeScript, PostgreSQL, SQL/NoSQL, AWS, Docker, Git.

Responsibilities:

• Design of data structures and data flows on PostgreSQL and NoSQL databases, and full-stack development of features from scratch with Node.js, NestJS, Python/Django, React, Next.js and TypeScript
• Integration of external services with REST APIs and microservice architectures, working with multiple repositories and independent services
• Asynchronous processing and background jobs (workers, queues and retries) for workloads that must not block the operation
• Performance optimization, deployment automation and version control with Docker, Git and AWS
• AI-assisted development (Cursor, Claude Code) to speed up implementation and code review
• Technical documentation to enable future integrations and team improvements

Senior Full-Stack Developer (2024 - 2025) | Santiago, Chile

Design and development of modern web platforms with a focus on scalability and security.

Technologies: React, Next.js, Node.js, NestJS, TailwindCSS, Docker, Serverless, CI/CD.

Responsibilities:

• Implementation of authentication and authorization with OAuth2, JWT and role-based access control (RBAC)
• Frontend and backend development with React, Next.js, Node.js and NestJS
• Integration of external APIs and QA activities on delivered developments
• Participation in deployments and environment management applying DevOps practices

Full-Stack Web Developer (2022 - 2024) | Santiago, Chile

Creation of the corporate website aligned with the brand image and the company's strategic goals.

Technologies: PHP, Astro, React, Firebase, WordPress, CSS/TailwindCSS.

Responsibilities:

• Continuous improvements that strengthened the company's digital presence in the mining industry
• Coordination with marketing to ensure consistency between the commercial strategy and digital resources
• IT support focused on the stability and efficiency of internal systems

Full-Stack Web Developer (2020 - 2022) | Santiago, Chile

Full-stack projects from scratch with a modern stack, plus maintenance and evolution of existing systems.

Technologies: PHP, Next.js, React, MongoDB, WordPress.

Responsibilities:

• Design and development of custom web software for clients in different industries, with integration of third-party services and APIs
• Implementation of websites tailored to each client's identity, using hybrid technologies when the scope required it

Back Office Engineer (2018 - 2020) | Santiago, Chile

I was part of the internal systems support and development team, working on key reports and the maintenance of production applications.

Technologies: .NET Core, C#, Java (MVC), SQL Server, advanced Excel.

Responsibilities:

• Reports and key performance indicators (KPIs) for operations and service level management
• Maintenance and evolution of production systems with .NET Core and Java MVC, improving stability and response times
• Automated processes and scheduled tasks with batch processing
• Design of queries and stored procedures in SQL Server for the analysis of large volumes of information
• Migration of legacy applications to .NET Core, increasing scalability and maintainability

Eplum

Quoting and production management tool integrated with the billing system. NestJS backend and Next.js frontend on AWS: ECS, Aurora PostgreSQL, S3, Amplify, Route 53 and a dedicated network with VPC and subnets, provisioned as IaC with CloudFormation.

Consorcio

Investment mobile app in React Native for a financial group. The connection to banking services was mapped with dummy data to allow AI-assisted development without exposing the bank's information; tests against the real API only ran in a controlled banking environment.

Cial

Monolithic customer portal in NestJS with a Vite and React frontend, deployed on Heroku. Integration of 6 payment methods from different banks and with SAP through RFC, with asynchronous payment confirmations.

Soprole

Integration of BUK with SAP for employee creation, document generation and vacation day management. Serverless architecture with AWS Lambda (Serverless Framework), PostgreSQL, end-to-end VPN on AWS and webhooks for synchronization and notifications.

Panel de Expertos (Chilean General Law of Electric Services)

Autonomous body that resolves, through binding rulings, the discrepancies of the electricity and gas legislation. User management with roles and permissions and migration of the discrepancy file upload platform; NestJS monolith with Vite and React on Heroku, with S3.

Espacio Food & Service

Creation of AI-powered self-service agents for the trade fair project.

Eternox

Multi-language website in Next.js with SEO optimization, deployed with AWS Amplify and S3 (Chile and the United Kingdom).

AIR Safety Company

Same multi-language solution in Next.js with Amplify and S3, scaled to 6 countries with market-localized SEO.

4 years working with artificial intelligence applied to development

More than 3 years since the launch of ChatGPT: an evolution from conversational assistants to AI-powered editors (Cursor) and agent CLIs (Claude Code, OpenCode). Proficient with MCP to connect models with the project's tools and data, and configuration of my own agents, including one deployed on OpenClaw over Docker. Generation of visual assets for the web with Midjourney and Gemini (Nano Banana), constantly staying up to date with the new tools on the market.

Master en JavaScript: de cero a nivel experto — Udemy

My own course (in Spanish): syllabus, contents and recording, from the fundamentals to advanced concepts.

Computer Engineering (Ingeniería en Informática) — Duoc UC, Santiago, Chile

Certifications: Scrum Master, Docker, Git, Linux, SQL and PL/SQL, NoSQL, JavaScript, React, React Native, Node.js, Next.js.

My professional purpose

As a Full-Stack developer, my purpose is to turn ideas into functional digital products that not only meet the technical requirements, but also have a direct impact on the productivity and growth of the business.

My experience includes:

• Design and development of scalable web applications, focused on performance and usability
• Creation of intuitive interfaces that adapt to any device
• Management of SQL and NoSQL databases, ensuring stability and optimization
• CI/CD and cloud deployments (AWS, Heroku, Docker), ensuring continuity and availability
• Integration of APIs and external services to connect systems and processes
• Constant innovation, adopting modern technologies to exceed expectations

Freelance clients and projects

Throughout my career I have built web solutions for a variety of companies and ventures: