Mexico City, Mexico | linkedin.com/in/leolicona | +52 771197 3594 | leolicona.dev@gmail.com

Full-stack Software Engineer with over 4 years of experience specializing in the design and development of high-performance web applications and APIs. Proven expertise in building serverless scalable solutions using JavaScript, TypeScript, React, Node.js, AWS Cloud and Cloudflare. Collaborative team player with experience in agile methodologies like Scrum and Kanban.

Tech Stack: CLI, Git, Github, HTML, CSS, JavaScript, TypeScript, React, Redux, Node.js, Express.js, Hono, Python, FastAPI, SQL, AWS Cloud: Lambda, API Gateway, DynamoDB, Cloudflare Workers, D1, KV.

Kunai Co. | Mexico City, October 2024 - Present Senior Software Engineer

• Contributed to develop and maintain 7ps, a cloud-native testing platform used to run automated application tests. This platform is compatible with various test frameworks and integrates into any CI/CD pipeline through its API.
• Collaborated on key architectural decisions to refactor the CFT module, significantly enhancing the efficiency and cost-effectiveness of the 7ps testing platform on AWS.
• Improved the security of 7ps by updating 100% of Language Agents through refactoring a 7ps common Typescript library to mask secrets in log output.
• Increased the 7ps CLI unit test coverage by over 80% through the development and implementation of comprehensive Python tests.

Grupo Salinas | Mexico City, March 2022 - September 2024 Frontend Software Engineer

• Improved campaign creation and approval efficiency by 80% through the successful delivery of SMART, a content management system integrated with CleverTap, a user engagement and retention platform. This was achieved through collaboration with stakeholders, designers and engineers to deliver the MVP.
• Led the full-stack development and deployment of the SMART application by defining its frontend architecture, building the core RESTful API with Node.js, and deploying the system onto a scalable, serverless AWS stack using Lambda, API Gateway, DocumentDB, and S3.
• Enhanced the user experience of the Baz superapp by collaborating with design and backend teams to deliver and refine key features; this work involved building responsive components, custom hooks, state management and API integrations for payment and media services using TypeScript, React and Redux, while ensuring high code quality with comprehensive unit and end-to-end testing using Jest.
• Optimized the Baz public portal site to achieve audit scores of over 97% by implementing modern SEO, accessibility, and performance best practices.
• Implemented a Trunk Based Development strategy and formal code review process, mentoring fellow engineers on best practices, thereby improving team efficiency and overall code quality.

Inspirum | Mexico City, January 2021 - February 2022 FrontEnd Developer

• Contributed to the development of the user interface for AT&T's telephony application using TypeScript, React, Redux, MUI, TanStack Query and React Hook Form.
• Focused on creating a responsive and accessible user interface that allows users of all abilities to efficiently manage and sell airtime, as well as navigate the partner structure and settings across various devices.
• Implemented UI testing components using React Testing Library to ensure application reliability and maintainability.

Chat Ya

• Cloudflare, TypeScript, Google Gemini AI, Prompt Engineering, Function Calling, RAG
• A multi-tenant, AI-powered serverless chat platform designed exclusively for WhatsApp. It enables any business to deploy its own customized and isolated AI agent to automate customer interactions, provide instant customer support, and manage appointments seamlessly.

UNIVERSIDAD DEL VALLE DE MÉXICO | Mexico City, March 2021 - March 2024 Software Design and Networks Engineering

• Equipped me with a deep understanding of core programming concepts, including C++, data structures, and algorithms - essential tools for building efficient and scalable software solutions.

• AWS Cloud Technical Essentials
• Python for Serverless Applications and Automation on AWS
• Developing Applications in Python on AWS