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Jesus Hilarion Roig PeixJH

Jesus Hilarion Roig Peix

Software Architect & Sr Fullstack Developer

€233/day
Florianópolis, BR
8-15 years

Average response time: 1 hour

About Jesus Hilarion

Fullstack Engineer and Software Architect with over a decade of experience across the full software development lifecycle, from discovery and design to delivery and scaling. Skilled in JavaScript, TypeScript, PHP, Python, Java, Kotlin, and Swift. Proficient in modern frameworks like Angular, Vue, React, Ionic, Flutter, NestJS, Symfony, Laravel, and ExpressJS. Experienced with PostgreSQL, MySQL, MongoDB, and DynamoDB.

Strong advocate for software quality, implementing automated testing strategies across projects, including unit tests, integration tests, and end-to-end tests (E2E), using tools like Jest, Jasmine, Vitest, Cypress, Selenium, WebdriverIO, and Playwright to ensure robustness and maintainability.

I specialize in designing scalable, user-centered solutions and building high-performing web and mobile applications. Proven track record of delivering impactful products for startups and enterprises, managing cross-functional teams, and collaborating closely with clients to align technical execution with business goals. I’ve led projects that have improved the lives of millions.
  • Spanish

    Native or bilingual

  • English

    Fluent

  • Portuguese

    Fluent

  • German

    Basic

Remote only
Primarily works remotely

Experience

  • CodeScript
    Head Of Development & Sr Software Architect
    September 2023 - Today (2 years and 10 months)
    Estonia
    Cloud Management: Oversight of AWS and Azure infrastructures to ensure efficient, scalable, and secure operations. Used AWS CDK for Infrastructure As Code.
    Continuous Integration/Continuous Deployment (CI/CD): Led the implementation and maintenance of CI/CD pipelines to streamline software delivery and enhance development velocity.
    Solution Support: Provided ongoing support and enhancements for deployed solutions, ensuring reliability and high performance.
    Frontend Development: Implemented complex user interfaces using React and TypeScript, enhancing user experience and application performance. Regularly collaborated with UI/UX designers to align features with design standards.
    Backend Development: Developed robust backend services utilizing Flask and Python, ensuring seamless integration with frontend applications. Managed endpoints for data handling and API services.
    Python Expertise: Used Python for data processing tasks and automation scripts that improved efficiency by automating routine tasks and reducing manual errors.
    Feature Development: Added and innovated new features in existing solutions using Angular, Ionic, and React.
    Discovery and Solution Design: Led discovery processes to understand client needs and challenges to propose solutions aligned with business priorities.
    Code Optimization: Refactored codebases and introduced best practices to improve code quality and maintainability.
    Quality Assurance: Established and enforced quality assurance processes to maintain high standards in product deliverables.
    Leadership: Led agile development teams, fostering a collaborative and productive environment.
    Product Management: Guided product development from conception to deployment, focusing on user-centered design.
    Team and Business Management: Managed cross-functional teams, aligning technical capabilities with business objectives.
    Strategic Development: Shaped business development strategies to capture new market opportunities and drive company growth.
  • PROSPERiA
    Full Stack Engineer & Lead Product Developer
    April 2021 - September 2023 (2 years and 5 months)
    Mexico
    Cloud Management: Managed AWS Cloud operations to ensure reliable and efficient deployment of solutions.
    Continuous Integration/Continuous Deployment (CI/CD): Implemented and maintained CI/CD processes to enhance code integration and deployment speed.
    Solution Support: Provided ongoing support and feature enhancements for React and React Native applications.
    Solution Design and Development: Created new solutions using the React and React Native ecosystem, focusing on seamless user experience and robust performance.
    Architecting: Designed and architected applications and backends, enhancing system scalability and functionality.
    Backend Development: Developed and maintained backend services using Node.js and Python.
    Database Management: Worked with both relational (PostgreSQL) and non-relational (MongoDB) databases, as well as BigQuery Data Warehouse for data management.
    Code Optimization: Refactored existing codebases and implemented best practices to improve maintainability and performance.
    Quality Assurance: Led and enforced quality assurance testing procedures to ensure high-quality deliverables.
    Leadership and Management: Led software development projects, managed teams, and guided product management from ideation to execution.
  • Criterian Software
    Senior Full Stack Engineer
    October 2022 - June 2023 (8 months)
    Spain
    Frontend Development: Developed new features for React-based web applications, enhancing user interfaces and functionality.
    API Development and Maintenance: Contributed to and maintained backend services using Flask & FastAPI in Python, ensuring robust and scalable APIs.
    Backend Development: Engaged in backend development utilizing PHP and the Yii framework, focusing on server-side logic and data architecture.
    Mobile Development with Flutter: Implemented new features for both Android and iOS platforms using Flutter, ensuring consistency and quality across mobile applications.
    Cross-platform Development: Leveraged Flutter to streamline feature development across iOS and Android, optimizing development efficiency.
    Project Management: Involved in project management tasks, collaborating with cross-functional teams to meet project deadlines and objectives.

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Education

  • Project Management Simplified Agile Software Development: Scrum for Developers Leadership Mindsets 20 Habits of Executive Leadership
    Project Management Simplified Agile Software Development: Scrum for Developers Leadership Mindsets 20 Habits of Executive Leadership
  • Engineer's degree
    Universidad de Oriente
    2015
    Engineer's degree

Skill set

Categories