Cristhian Jacques

• Led the end-to-end development of a new company platform, owning the frontend architecture and implementation from initial design to production delivery. • Built a scalable and maintainable UI using Angular (v20+), Angular Material, Bootstrap, Sass/SCSS, and implemented unit testing with Jasmine to ensure code quality and reliability. • Implemented CI/CD pipelines using Azure Pipelines to automate build, testing, and deployment processes, improving delivery speed and release consistency. • Collaborated on backend architecture decisions, defining technical requirements and contributing to system design. • Developed backend services using .NET 9, C#, and Entity Framework, managing relational data with PostgreSQL. • Designed and documented RESTful APIs using Swagger to support integration and maintain clear technical documentation. • Delivered a solution that improved customer payment processing workflows, enabling the company to scale operations and expand its customer base.

• Led the development of a new self-checkout (POS) system, including UI/UX design and real-time communication with hardware peripherals via serial port (scales, barcode scanners, and other devices). • Built the solution using Angular, Node.js, and Electron.js to enable seamless integration between software and physical devices. • Delivered an innovative self-service experience that improved operational efficiency and customer convenience, strengthening the company’s competitive positioning in retail technology. • Led the development of a specialized POS solution for cashier workstations, supporting touch screens and dual-display environments (operator and customer screens). • Implemented multi-monitor communication and executable packaging using Angular, TypeScript, Node.js, and Electron.js. • Delivered a differentiated product offering that increased system market value and enabled strategic partnerships with hardware manufacturers, expanding the company’s ecosystem. • Developed a pioneering retail solution for product traceability, expiration control, and loss prevention using 2D codes. • Built with Angular, TypeScript, Node.js, Electron.js, and automation libraries such as RobotJS to support process automation and system integration. • Significantly improved internal store operations and reduced inventory losses through automation and real-time tracking. • Contributed to the project that received the 2024 Automation Award from GS1 Brasil — the most prestigious recognition in commercial automation in Brazil. • Applied Scrum methodology across projects, leading development cycles, feature delivery, and cross-functional collaboration in complex retail technology environments.

• Led requirements analysis and solution architecture through prototyping and direct stakeholder collaboration, ensuring alignment between business goals and technical execution. Coordinated agile development workflows using Scrum with Angular, TypeScript, and Node.js. Delivered a high-impact case study that optimized automation processes, reducing development time and improving reporting efficiency by 30%. • Designed and implemented automation systems for industrial equipment management, enabling data-driven decision-making across productivity, resource consumption, operational costs, and predictive maintenance. Built scalable Angular frontend applications and robust Node.js backend APIs, applying OOP and clean architecture principles to ensure performance, reliability, and long-term maintainability in high-demand environments.

• Built the frontend of a Call Center CRM from scratch using Angular, Node.js, CSS, Angular Material, and Bootstrap. The system enabled efficient ticket management and full VOIP call handling capabilities. Designed intuitive user interfaces and analytical reporting features to enhance user experience, improve operational productivity, and support data-driven decision-making for management. • Contributed to the development of API reporting routes using Laravel (PHP), accelerating feature delivery and significantly improving team productivity and project turnaround time. • Assisted in building and configuring a Debian server with Asterisk/Elastix to implement a corporate PBX infrastructure, enabling VOIP call management, voicemail, messaging, reverse IVR, and advanced telephony features, ensuring reliable and scalable communication systems for call center operations.