Hey, I'm Jacob Herper

Technologies: TypeScript, React, Next.js, XState, Redux, GraphQL, Rest APIs, React Query, Jest, Cypress, Playwright, Turborepo

• Joined Holland & Barrett as a senior front-end software engineer during a digital transformation journey
• Single-handedly developed several front-end applications to manage customer orders and product subscriptions
• Integrated front-end applications with back-end microservices (mostly RESTful APIs, but also GraphQL)
• Given opportunity to build own squad focusing on solutions for the contact centre teams across the UK, Benelux and South Africa
• Involved in hiring and onboarding six engineers of varying seniority
• Reduced complexity for contact centre staff by building a one-stop solution to manage customer accounts end-to-end
• Demised multiple third-party enterprise solutions, saving the company £1m+ annually
• Technologies used include React, Next.js, TypeScript, and GraphQL
• Other libraries used include XState and Redux for state management, Turborepo with pnpm for monorepo setup, and React Query for data fetching and manipulation.

Technologies: JavaScript, ES6, React, GraphQL, Sass, Node.js, Express, Webpack, Apollo

• Developed web applications using React, JavaScript (ES6), GraphQL and Sass
• Tech lead for the rebuild of site applications, liaising between engineering and product teams
• Optimised performance and accessibility of React applications
• Contributed to advanced error and bug tracking strategy to increase application reliability
• Improved test coverage by writing unit and integration tests with Jest and Enzyme
• Implemented platform-wide ad injection logic to work within the SSR React application and AMP pages
• Mentored more junior engineers through pair programming, code reviews and 1-on-1s

Technologies: TypeScript, React, Gatsby, Next.js, GraphQL, Rest APIs, Styled-Components

• Joined as first JavaScript developer to lead the move away from WordPress-based monolithic architectures to more robust and modern React-based systems
• Developed React web applications using TypeScript, Next.js, Gatsby, GraphQL and Styled-Components with global state management through Context API
• Worked with WordPress as a headless CMS using GraphQL and REST APIs
• Developed B2B web applications for several Fortune 500 clients using vanilla JavaScript (ES6) and React
• Worked on legacy projects using ES5 JavaScript syntax with Gulp as a task runner

Technologies: JavaScript, PHP, Sass, React, Angular, Gatsby, WordPress, Drupal

• Development of web applications for small and medium-sized businesses using JavaScript, React, PHP, Sass, HTML5, WordPress, Drupal and different e-commerce solutions
• Specialised in bespoke client solutions for London-based startups
• Design of digital assets and print products
• Management of freelance and contract engineers for international projects
• Search engine optimisation and search engine marketing

Technologies: JavaScript, PHP, React, WordPress, jQuery, Rest APIs, Sass

• Tech lead in design and development of new website following brand guidelines based on WordPress, PHP, HTML5, CSS and JavaScript
• Orchestrating web development work between London and Atlanta offices
• Collaborating with teams in Beijing, Dublin, New York and Bonn offices to develop custom experiences for clients across the world
• Development of a web application for a contender energy provider in collaboration with TSW Creative for critical campaign launch under time pressure
• DevOps tasks monitoring and maintaining Apache server infrastructure and DNS
• Development of PWA (React) for an event with 250+ attendees
• Collaborated with internal creative agency to deliver assets for pitches

Technologies: React, TypeScript, Next.js, Node.js, Express, Sass, Angular, MongoDB

• Built a web app to revolutionise the real estate sector in Germany
• Developed Immovato from the first concept to release of MVP
• Managed two developers (front-end and back-end) in the development of our application, initially based on Angular (JavaScript) and Laravel (PHP)
• Moved tech stack to MERN (MongoDB, Express.js, React, Node.js) for an improved performance and DX

Technologies: PHP, JavaScript, HTML, CSS, MySQL, Sass

• Started working for ASA as a web designer and developer during final years of college, building and maintaining e-commerce websites and product landing pages
• First insights into day-to-day operations of e-commerce business (B2B and B2C)
• Design and conception of new products, packaging, brochures, advertising material
• Design and execution of international trade shows and B2B events
• Launch of UK branch of ASA Europe in Chelmsford, Essex
• Market research and legal compliance analysis for the trade of tobacco products in the United Kingdom, meetings with UK Trade & Investment and HMRC to explore importing of restricted goods
• Built retail business to become highest-grossing of its kind in the UK within 12 months