Giacomo – React, Typescript, Node.js

A global network that connects companies with the world’s top 3% of freelance talent in software development, design, finance, project management, and product management.

• Worked through various engagements in different industries, company sizes, and stages, from early startups to F500 companies, mainly using a React, TypeScript, and Node.js stack.

A company pioneering legal innovation by developing Legal AI models, making expert legal advice universally accessible.

• Delivered the UI/UX for a complex system offering legal advisory powered by generative AI and LLMs;
• Interfaced with several stakeholders, including people with advanced domain knowledge, to speed up the feedback loop and maximize our impact since the design offered was little more than a wireframe;
• Worked on a model that showed how an uploaded document could be the base for generative-AI-powered legal advice compared to what was offered by querying other reputed LLM competitors like OpenAI.

An advanced AI-driven platform that enhances business process automation and decision-making through intelligent data analysis.

• Joined the team as one of the first technical hires and helped expand the product across multiple apps, offering B2B financial products in a fast-paced startup environment;
• Contributed to the development of a scalable and intuitive UI using Next.js and React.js, ensuring a seamless user experience;
• Implemented optimized APIs and microservices on the back-end to improve performance, scalability, and real-time data processing;
• Integrated third-party services and AI models to enhance automation and analytics capabilities;
• Focused on SSR/SSG for better SEO, performance, and fast-loading experiences;
• Built various applications, including e-commerce platforms, fintech solutions, and AI-powered SaaS products.

A leading web services provider, it offers a comprehensive suite of online products, including mailing, news, finance, sports, and search platforms. Founded in 1994, it began as a web directory and quickly evolved into one of the most recognized internet brands of the early web era.

• Worked on the whole lifecycle of the internal AR/VR platform up to the sunset phase, made critical updates, and supported transitioning clients. This project mainly used JS without any popular UI library.
• Applied several security updates and fixes to make our platform even more resilient to malicious attacks;
• Expanded the functionalities with new features, including new types of graphs and advanced data visualization tools for finance; used a React TypeScript stack.

One of the world's leading integrated energy companies, its website is a global hub for information about the company’s operations, sustainability initiatives, investor relations, and energy innovations. Visitors can explore the company’s wide-ranging activities across oil, natural gas, and increasingly renewable energy sectors such as wind, solar, and hydrogen. The platform also offers insights into its net-zero ambitions, climate goals, and efforts to support the energy transition.

• Helped develop a joint venture between the company and Sumitomo Corporation to facilitate the procurement of large-scale equipment, initially on a blockchain basis, then on an architecture based on more conventional database storage;
• Organized the work based on requirements collected from different stakeholders and agreed on a joint roadmap for the development of the products;
• Managed and supported a fast feedback loop iteration of different features and UI/UX components;
• Created and maintained a large testing suite to ensure proper testing coverage across our applications;
• Helped recruit and hire hundreds of engineers, collaborating with a very fast-paced hiring pipeline and setting up almost all of the coding challenges administered to our candidates.

A global social networking platform designed to help people connect, share, and communicate online. Launched in 2004, it allows users to create personal profiles, post status updates, share photos and videos, interact through comments and reactions, and stay connected with friends, family, communities, and public figures. The platform supports many features, including private messaging (via Messenger), groups, events, marketplace, and live streaming.

• Worked in the efficiency team, focusing on a tool to monitor and analyze regressions of the codebase performance—a business-critical need for all products in the Facebook family;
• Built a modular interface using the Facebook library of core components for advanced data visualizations about mission-critical data;
• Improved performance monitoring across the company with new reporting tools.

A UK-based technology and engineering consultancy that works with organizations across sectors to deliver IT solutions, digital products, and business transformations. The project was a bespoke digital platform developed for major retail, financial services, healthcare, and government clients - the product aimed to modernize legacy systems and improve digital service delivery.

• Delivered quality solutions to the company's clients by collaborating in a multifunctional team to build resource management tools with complex data visualization and manipulation. Another external consultancy led the team;
• Contributed to refactoring the code to accommodate more complex and scalable data flows to meet rapidly changing specifications;
• Acted as a bridge between the front-end team and the external designers, vetting and negotiating what was achievable given the current constraints and resources;
• Assisted with interviewing and selecting candidates to join our team.

A company powering business growth for financial and professional services firms worldwide, through subscription-based digital services.

• Completed the 1st phase of updating and fixing components, including styled components, shared across several products Acuris offers as Node.js packages;
• Developed the CMS and final user-facing interfaces for a new editorial project using only Redux to manage all the user information and TypeScript to enforce type safety;
• Championed and helped enforce a modern, thorough test-driven development (TDD) approach using Jest, Enzyme, and the React Testing Library across all the teams.