Cesar Llorente

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Senior Software Engineer

DOMAIN LABS

Jan 2023 - Feb 2024 (1 year 2 months)

• Pioneered the development of video generating and processing feature, with deep understanding and utilization of Canvas for seamless visual manipulation with React/ElectronJS • Developed chatbots using ChatGPT, Rasa and Langchain, creating conversational agents with natural language understanding and dialogue management capabilities • Built the backend infrastructure and cron jobs using Django, GraphQL, PostgreSQL and SqlAlchemy ensuring the transactions are processed correctly • Delivered seamless and high quality of generative AI products by building robust, flexible and cloud native backend structures using FastAPI and Go • Implemented bug reporting system to ensure on-time maintenance and secured 40% of the time consumed for bug

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Senior Backend Engineer

Globalhitss

Sep 2020 - Apr 2022 (1 year 8 months)

• Developed the amazing free coupon web app and browser extension using VueJs and Django • Contributed to backend infrastructure using Python, Nodejs, Ruby and PostgreSQL • Set up CI/CD pipeline on AWS and Azure, automating the build, testing and deployment processes • Deployed applications on multiple cloud-based production environments and maintained staging backend environments for testing, leading to smoother releases • Integrated a wide range of third-party services and components like payment gateways, geolocation services, and social media logins • Created web-based CMSs to enable simplified content management with data visualization using Numpy, Pandas, Scikit- learn, resulting in quicker updates to site information and featur

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Frontend Engineer

JAGGO

Nov 2017 - Oct 2019 (2 years)

• Worked on mono repo structure project with React and Svelte for a largest-scale web application and reduced code duplication by 30% • Worked with designers to create a fully responsive UI/UX based on Material-UI, with custom theming, accessibility and internationalization • Converted the codebase from Javascript to Typescript which improved code standards, avoided type mismatch and warnings. • Worked on and created e-commerce websites using Laravel, MySQL, and React/Vue. • Developed front-end code using HTML, CSS, JavaScript, jQuery to create a responsive web application that works across 29 devices, including desktops and tablets

Web Developer

ITRex Group

Nov 2013 - Oct 2017 (4 years)

• Led the development of a data caching mechanism, enhancing system performance and 20% fast responses during peak loads • Optimized website performance to 160% by implementing caching mechanisms, lazy loading, and code optimization techniques. • Engineered a scalable RESTful API, accommodating a 100% increase in user base without service degradation • Ensured server security against weekly attack statistics and proposed server and database combination with cloud services • Built and maintained 10+ scalable and secure web applications. • Spearheaded the migration of legacy code to modern frameworks • Actively participated in code reviews, identifying and resolving daily arising bugs

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