David Cohen

• Designed and built an internal tool that reduced the time salespeople spent creating demos by 50%, working autonomously to prioritize tasks and maximize user value. • Developed and deployed features using Django Rest Framework (backend), React & TypeScript (frontend), and PostgreSQL (database), while managing deployments with Kubernetes.

• Developed and enhanced ad display functionality in the Leboncoin web application using Next.js, React, TypeScript, and Tailwind CSS. • Worked on complex UI integrations in cross-functional international teams while ensuring scalability and performance for over 28 million average monthly users.

Spearheaded the development and deployment of the web and mobile applications using React, React Native, TypeScript, and Next.js for the front and Django, Python, and PostgreSQL for the back end.

Developed and maintained both the front end (React/Redux) and back end (Node.js/GraphQL) for DreamQuark’s AI-powered web application, focusing on optimizing user experiences

Crystalchain implements product traceability solutions using the blockchain. As a full stack Javascript developer my roles were to: -Develop and maintain the front end of the web application using React and Redux -Maintain the back end modules written in Node.js: an Express server that provides an API and the module that programatically interacts with the Ethereum blockchain using web3.js and Truffle

My primary role was the optimization, organization, and management of the projects ordered by clients and delivered by the freelance translators and copywriters who work for TextMaster. My responsibilities also included: -Developing editorial guidelines for clients to ensure consistent, high-quality projects -Collaborating with salespeople to design projects that match clients' needs -Rereading and editing English-language documents -Analyzing clients' documents to provide an accurate quote -Assisting the development team by identifying issues with the online platform as well as possible areas of improvement -Recruiting new authors -Communicating with clients, colleagues, and authors in French

Researched and wrote food reviews for a website specializing in food trucks

• Wrote and edited the application and website for a business development angel program with a focus on developing the right tone and messaging to target young innovators • Wrote and edited business plans and other documents for the companies that IncJar selected for their program

Researched and wrote website content, press releases, white papers, email templates, and other copy for a digital advertising company

Read and summarized books submitted by self-published authors in order to gauge how adaptable the source material is for a feature film or television series