AngeloConejeros
Technical Lead & Senior Full-Stack JavaScript Engineer
I design and build scalable digital products, modern frontend architectures, and cloud-based integrations using React, Next.js, Node.js, TypeScript, and AWS.
I'm a Technical Lead and Senior Full-Stack JavaScript Engineer with 12+ years of experience building enterprise digital products and platforms. I specialize in React, Next.js, Node.js, TypeScript, cloud architecture, and system integrations. I enjoy modernizing legacy platforms, simplifying complex technical problems, and helping engineering teams deliver maintainable, high-impact solutions.
- 12+●
- Years of Experience
- Full Stack●
- Frontend, Backend & Cloud
- Technical Lead●
- Architecture & Mentoring
- Impact●
- Enterprise Digital Products
- [Jul 2021 - Present]
Technical Lead / Senior Front-End Developer
Clínica AlemanaLeading the architecture and delivery of enterprise digital healthcare platforms, working across frontend, backend integrations, cloud infrastructure, and technical strategy.
- >Designed and evolved scalable frontend architectures with React, Next.js and TypeScript.
- >Led technical planning, requirements analysis, estimation, implementation and delivery across digital initiatives.
- >Modernized legacy CMS architectures using headless Sitefinity, Next.js and AWS.
- >Defined reusable engineering patterns, CI/CD practices and technical standards.
- >Mentored developers and collaborated with product, UX, business stakeholders and solution architects.
$ stack:ReactNext.jsTypeScriptNode.jsAWSSitefinityArchitecture - [Dec 2020 - May 2021]
Senior Frontend Developer
NivelatBuilt web and mobile products for workforce training and professional development using modern JavaScript technologies and scalable APIs.
- >Developed cross-platform mobile functionality with React Native.
- >Built frontend and backend integrations using React, Node.js, Ruby on Rails and REST APIs.
- >Worked with PostgreSQL-backed services and product teams in a fast-moving environment.
$ stack:React NativeReactNode.jsRuby on RailsPostgreSQLREST APIs - [Nov 2017 - Dec 2020]
Full-Stack / Front-End Developer
FalabellaBuilt high-traffic ecommerce experiences for one of Latin America's largest retail companies.
- >Developed reusable user interfaces with React and Next.js.
- >Worked with Node.js/Fastify services and GCP-based infrastructure.
- >Contributed to SSR adoption to improve SEO, performance and maintainability.
- >Collaborated with multidisciplinary product and engineering teams.
$ stack:ReactNext.jsNode.jsFastifyGCPSSR - [Apr 2017 - Nov 2017]
Lead Front-End Developer
Servicio de Impuestos Internos (SII)Led frontend development for taxpayer-facing enterprise applications used in critical government workflows.
- >Developed responsive and reusable interfaces with JavaScript and AngularJS.
- >Integrated frontend applications with Java-based enterprise services.
- >Helped establish maintainable frontend patterns for large internal systems.
$ stack:JavaScriptAngularJSJavaEnterprise Applications - [Nov 2014 - Apr 2017]
Programmer Analyst / Frontend Developer
Sodimac ChileBuilt responsive retail applications and reusable frontend solutions for large-scale digital platforms.
- >Developed interfaces with JavaScript, Sass, HTML and CSS.
- >Implemented reusable responsive and accessible UI patterns.
- >Worked on asynchronous frontend workflows and enterprise web applications.
$ stack:JavaScriptSassHTML/CSSResponsive UI
Have a project or opportunity in mind? Let's talk.
Open to remote Technical Lead and Senior Full-Stack opportunities across the Americas.
>angelo@aconejeros.cl