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Santiago FlorezSF

Santiago Florez

Front-End Developer

€210/day
Medellín, CO
8-15 years
Angular
Typescript
HTML5
CSS3
JavaScript

Average response time: 1 hour

About Santiago

Front-end developer with 8+ years of experience specialized in Angular. I help companies build and modernize complex web applications: from legacy Angular version migrations to scalable architectures using TypeScript, RxJS, and component libraries (Material, PrimeNG, Tailwind).

My focus is on writing clean, maintainable code following SOLID principles and the official Angular style guide. I get involved across the full cycle — from initial architecture and project pattern definitions, to performance optimization, testing, and deployment.

I've worked on projects of various sizes — from internal dashboards to SaaS platforms with thousands of active users — always in remote teams, collaborating directly with product managers, designers, and other developers in agile environments.

What I can bring to your project:
- End-to-end feature development in Angular (v12 to latest)
- Legacy application migration and modernization
- REST/GraphQL API integration
- Performance optimization and lazy loading
- Responsive UI with CSS3, SCSS, and modern frameworks
- Solid testing practices (Jasmine, Karma, Cypress)

Available for remote work, fluent in English and Spanish, committed to deadlines and clear communication.
Sports
Banking and Financial Services
Real Estate
Health and Wellness

  • Spanish

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • HeroDevs
    Front-End Developer
    BANKING AND INSURANCE
    November 2022 - July 2025 (2 years and 8 months)
    Salt Lake City, United States
    • • Migrated a 10+ year-old legacy desktop call center application to a modern web platform using Angular 16, improving maintainability and enabling future scalability.
    • • Architected the full project structure using Nx monorepo, enabling efficient code management and long-term modularity across multiple application modules.
    • • Designed and implemented a robust state management layer with NgRx and Component Store to handle complex state across the platform.
    • • Built a comprehensive unit test suite following the SIFERS patern using Jest and Spectator, ensuring consistent test coverage and code quality.
    • • Integrated AG Grid for high-performance display and management of large datasets, handling thousands of records with optimal rendering performance.
    • • Delivered consistent, responsive UI components using Angular Material throughout the application.
    • • Collaborated within Agile SCRUM teams across daily standups, sprint planning, code reviews, and retrospectives.
    JavaScript Typescript CSS3 HTML5 Angular
  • Gorilla Logic
    Front-End Developer
    REAL ESTATE
    September 2020 - October 2022 (2 years and 1 month)
    Medellín, Colombia
    • • Led the architecture and implementation of a microfrontends solution within a monorepo, enabling independent team development and scalable deployment across multiple business domains.
    • • Designed a comprehensive AG Grid customization layer with advanced class implementations to support complex data manipulation, filtering, and custom rendering requirements.
    • • Enforced Angular best practices throughout the codebase using Angular 9 and Angular Material.
    • • Maintained and extended unit test suites using Karma and Jest to ensure code reliability.
    • • Conducted thorough code reviews and pull request evaluations to uphold architectural standards and code consistency.
    • • Collaborated with business analysts, QA teams, and international stakeholders to refine user stories and deliver quality solutions across multiple industries.
    AngularJS JavaScript HTML5 Angular Typescript
  • Globant
    Front-End Developer
    BANKING AND INSURANCE
    July 2017 - January 2020 (2 years and 6 months)
    Medellín, Colombia
    • • Developed enterprise web applications using Angular 2+, TypeScript, and Angular Material with fully responsive designs in HTML5, CSS3, and Bootstrap.
    • • Implemented advanced Angular paterns and best practices across multiple client projects.
    • • Designed and executed comprehensive unit testing strategies using Karma and Jasmine to achieve high code coverage.
    • • Participated in code reviews and architectural discussions, contributing to technical standards across projects.
    • • Collaborated with business analysts, QA engineers, and clients to gather requirements and deliver quality solutions.
    HTML5 Typescript Angular CSS3
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Education

  • B.Sc. Electrical Engineering
    Universidad Pontificia Bolivariana
    2011
    B.Sc. Electrical Engineering
  • English C1 Advanced Certification
    Shafston International College
    2014
    English C1 Advanced Certification

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