Halley Rios Valenzuela

• Enhanced CI Processes: Successfully improved continuous integration processes using GitHub Actions, resulting in more efficient and reliable application deployments.
• Data Ingestion Optimization: Spearheaded data ingestion processes utilizing Sidekiq and Elasticsearch, leading to faster and more accurate data handling. Achieved a 70% reduction in processing time for massive data ingestions, cutting the time from 8 hours to just 3.5 hours by implementing incremental ingestions.
• Code Quality Assurance: Conducted thorough code reviews, ensuring high-quality and maintainable code. Identified and resolved critical issues, enhancing overall system stability.
• Agile Methodologies: Applied Scrum methodology effectively, facilitating smooth project management and delivery.
• Technologies and Tools: Utilized a robust tech stack, including Rails, RSpec, PostgreSQL, React, Nextjs, Amazon AWS, GitHub, Git, and Docker.
• API Integration: Integrated multiple third-party APIs to expand functionality and elevate the user experience on web platforms.
• Backend Development: Developed functional databases, applications, and servers to support robust back-end infrastructure. Collaborated with back-end developers to design efficient APIs.
• Scalable Systems: Engineered scalable backend systems capable of supporting high-traffic websites and applications, ensuring optimal performance during peak usage times.

By leveraging my expertise and collaborative skills, I have consistently delivered high-impact solutions that drive efficiency, scalability, and user satisfaction.

At Optic Power, I took on a leadership role to refactor and improve the architecture of our frontend projects. Key responsibilities and achievements include:

• Architectural Improvement: Led and built documentation to refactor project architecture in the frontend, enhancing scalability and maintainability.
• Scalable Frontend Migration: Migrated the frontend to a more scalable model using Atomic Design, implementing Storybook and Test-Driven Development (TDD). This migration streamlined the component development process and facilitated the creation of new prototypes.
• Backend Development: Worked with Elixir and the Phoenix framework to create robust backend endpoints.
• Code Review and Mentorship: Reviewed code from other developers, providing guidance and sharing knowledge with junior developers to enhance their skills.
• Database Migration: Successfully migrated from Parse Endpoint (NoSQL) to Elixir and PostgreSQL, improving the overall data handling capabilities.
• Client Satisfaction: Improved the application architecture, making it more scalable, which led to significant client satisfaction and commendation for the visual enhancements of the application.

Technologies and tools used: React, CSS, Sass, HTML, JavaScript, Styled Components, Redux, Material UI, TDD, Storybook, Jest, Enzyme, Elixir, Phoenix, PostgreSQL, Amazon AWS, GitHub, Git, Docker, and Scrum.

By leveraging modern development methodologies and tools, I ensured the delivery of scalable and high-quality software solutions, significantly enhancing the application's performance and client satisfaction.

• Responsible for the design and programming of the SmartTV application from scratch in frontend using the Lightning framework and Node js
• Responsible for the development of a proxy node with express for the consumption and sending of data safely
• Implement cache mechanisms in express with Redis
• Use of docker to create images mounted in the application
• Provide support and advice to product development
• Train and share knowledge of the architecture and application to new developers, as well as provide technical support for the application
• Achievements: I was able to successfully complete the ducktv application from scratch with no previous knowledge of smartTv or lightning applications, which I had to learn and use for the construction of the product
• Technology used: Lightning Framework, Javascript, Node JS, Redis, Docker, Amazon AWS, Necrop, Postman, Jira, Scrum, GIT, Github.

At Auna, I contributed to the successful implementation of various projects, focusing on both frontend and backend development. Key responsibilities and achievements include:

• Task Estimation and Refinement: Actively participated in refinement and daily meetings to accurately estimate and plan tasks.
• Component Design: Designed components following the Atomic Design pattern, ensuring consistency and scalability.
• Responsive Design: Created responsive designs using a mobile-first approach, enhancing user experience across devices.
• Test Automation: Automated tests with Jest and Enzyme, ensuring high-quality and reliable code.
• Feature Enhancement: Added new features to the e-commerce dashboard, improving functionality and user engagement.
• Storybook Integration: Utilized Storybook for component development and documentation, streamlining the design process.
• MVP Delivery: Successfully launched a Minimum Viable Product (MVP) for the e-commerce platform in a record time of 1 month, exceeding client expectations.
• Online Doctor Chat Pilot: Led the implementation of an online doctor chat pilot, leveraging tools for rapid deployment.

Technologies used: React, TypeScript, Styled Components, CSS, Sass, HTML, JavaScript, GraphQL, Jest, Enzyme, Amazon AWS, TDD, Jira, Scrum, Git, GitHub.

By leveraging modern development practices and tools, I consistently delivered high-impact solutions that drove efficiency, scalability, and client satisfaction.

At UTP, I contributed to the development and successful deployment of various applications, focusing on both frontend and backend technologies. Key responsibilities and achievements include:

• Cross-Platform Application Development: Created applications for Android and iOS, ensuring seamless functionality across platforms.
• Syllabus Management Software: Utilized Ruby and Ruby on Rails to develop Silbia, a software for managing syllabi, from scratch. Successfully put this project into production in a record time of 1.5 months, receiving commendations for the agility in the administration process.
• SCRUM Methodology: Applied SCRUM methodology for the development of deliverables, ensuring efficient and organized project management.
• API Development: Built REST APIs using Django Rest Framework, facilitating smooth data exchange and integration.
• Educational Game Development: Developed "Office in Trouble," an educational novel game, which won second place in the inter-company innovation contest for its innovative approach within the Intercorp corporation.
• Test-Driven Development: Implemented TDD practices to ensure high-quality and reliable code.
• Prototyping and Layout: Created web application layouts based on component prototypes provided by the design team using Sketch.
• Technology Proposal: Proposed and utilized Phaser for the development of the educational video game, enhancing the gaming experience.

Technologies and tools used: Ruby on Rails, Python Django, Vue.js, React, Sass, React Native, Google Analytics, Android, Redux, TDD, HTML, CSS, JavaScript, Firebase, Postgres, Jira, Scrum, Amazon AWS, Amazon S3, Git, GitHub.

By leveraging my expertise in modern development practices and tools, I consistently delivered high-quality solutions that met and exceeded project goals and client expectations.

At Orsis with extensive experience in developing custom systems using web technologies, I have consistently delivered high-quality solutions that drive business growth and efficiency. Key responsibilities and achievements include:

• Web Development: Developed custom systems using Ruby on Rails and responsive design, ensuring robust and user-friendly web applications.
• Systems Analysis and Design: Conducted thorough systems analysis, design, and programming, and created comprehensive project documentation.
• Architectural Proposals: Proposed and implemented architectures based on MVC layers, enhancing the maintainability and scalability of various software projects.
• Sales Process Improvement: Optimized sales processes through targeted improvements, contributing to increased efficiency and revenue.
• SEO and SEM Campaigns: Applied SEO techniques to achieve top 3 organic positioning by keywords and managed SEM campaigns using Google Adwords, resulting in higher ROI compared to competitors.
• Security Support: Provided installation, configuration, and security support using Kaspersky, ensuring secure and stable systems.
• Customer Acquisition: Acquired new customers through effective marketing campaigns, driving business growth.
• Process Automation: Streamlined processes by automating tasks through software, significantly reducing work times. Notably, optimized data migration processes for email data management using automated scripts.
• Technologies and Tools: Utilized a diverse tech stack including Ruby on Rails, PostgreSQL, HTML, CSS, JavaScript, React, Ember.js, Google Adwords, SEO, Amazon AWS, Amazon S3, Bootstrap, PHP, Trello, Jira, Scrum, RUP, and Linux.

By leveraging modern development practices and tools, I consistently delivered high-impact solutions that enhanced operational efficiency and customer satisfaction.

• 3 layers MVC development under Java J2EE, Spring, JSF
• Participate in the analysis, design and programming stages
• Migration of systems from 2 layers Servlets to 3 layers JSF
• Software testing and documentation under RUP
• User training and creation of video tutorials
• Achievements: Implementation of the SUNARP on line system for document processing at national level
• Technology and Tools used: Java J2EE, Oracle 11G, JSF, Primefaces, Spring, DAO pattern, Websphere IBM.

• In charge of developing and maintaining J2EE and .Net applications
• Designing applications for the contact of external users with the Library
• Prepare user manuals
• Oracle database administration
• In charge of Administering the Institutional Portal and Implementing AbsysNet Library Software
• Achievements: To carry out the implementation and training of the AbsysNet system throughout the institution, being in charge of managing, monitoring and executing the training together with the consulting firm Barats from Spain
• Technologies and Tools: Java J2EE, Spring, Visual .Net, Oracle 11g, Zimbra, PHP, JSF, Websphere, HTML, CSS, Javascript.

At ORSIS, I played a key role in developing and implementing various web projects using Ruby on Rails and Python, among other technologies. Key responsibilities and achievements include:

• System Development: Led system development using Ruby on Rails to build api with J2EE technology, including Spring, Ibatis, Hibernate, Struts, Oracle, and MySQL.
• Web Design: Designed the company website, landing pages, and end-user systems, ensuring a cohesive and professional online presence.
• Business and System Use Cases: Prepared detailed business and system use cases following the UML pattern, facilitating clear and effective communication of requirements and solutions.
• Solution Implementation: Responsible for implementing solutions and defining system architecture, ensuring robust and scalable designs.
• Design Patterns: Designed solutions using DAO and MVC patterns, enhancing maintainability and scalability.
• Frontend Development: Experienced in software development with PHP, HTML, CSS, and Bootstrap, creating responsive and interactive web applications.
• Ruby on Rails Development: Utilized Ruby on Rails for various web projects, leveraging its strengths for rapid and efficient development.
• Process Optimization: Achieved a significant 80% improvement in inventory processes by implementing and using the SIE hardware and software inventory system. This system automated computer inventory management through automated agents that collected and centralized data, greatly enhancing efficiency.
• Technologies and Tools: Employed a diverse range of technologies and tools, including Ruby on Rails, Java J2EE, Struts, Spring MVC, .Net, MyIbatis, MySQL, Oracle, Python, UML, HTML, CSS, JavaScript, jQuery, Photoshop, and Dreamweaver.

By leveraging my expertise in both backend and frontend development, I consistently delivered high-quality solutions that streamlined operations and enhanced business performance.