JSFiddle - React, Tailwind, and code Playground

SASS

*
  box-sizing: border-box
ul
  padding: 0
  margin: 0
  list-style-type: none
a
  text-decoration: none
body
  padding: 25px
.user-form
  width: 250px
.user-form > input
  display: block
  width: 100%
  margin: 10px 0
.workers
  width: 250px
.workers-list li
  display: flex
  align-items: center
  justify-content: space-between
  padding: 10px 0
  border-bottom: 1px solid #000
.workers-list
  margin-bottom: 10px

JavaScript

const AppCtrl = (() =>{
	const workers = [
		{
			name: 'Mike',
			work: 'Google',
			id: 0
		}
	];
	return {
		addWorker(worker) {
			worker.id = workers.length;
			workers.push(worker);
		},
		removeWorker(worker) {
			const id = Number(worker.dataset.id);
			workers.forEach(function(worker, index) {
				if(worker.id === id) {
					workers.splice(index, 1);
				}
			});
		},
		isWorkerEmpty(worker) {
			const vals = Object.values(worker);
			for(let i of vals) {
				if(!i.length) {
					return false;
				}
			}
			return true;
		},
		getTotalWorkers() {
			return workers.length;
		},
		getUsers() {
			return workers;
		}
	}
})();
const UiCtrl = (() => {
	const selectors = {
		userForm: 'user-form',
		userName: 'user-name',
		userWork: 'user-work',
		totalWorkers: 'total-workers',
		workersList: 'workers-list',
		removeBtn: 'remove-btn',
		worker: 'worker',
		workers: 'workers'
	};
	return {
		createForm() {
			const form = document.createElement('form');
			form.classList.add(selectors.userForm);
			document.body.appendChild(form);
			const userName = document.createElement('input');
			userName.classList.add(selectors.userName);
			form.appendChild(userName);
			const userWork = document.createElement('input');
			userWork.classList.add(selectors.userWork);
			form.appendChild(userWork);
			const formSubmit = document.createElement('input');
			formSubmit.type = 'submit';
			formSubmit.value = 'Добавить работника';
			form.appendChild(formSubmit);
		},
		createWorkersField() {
			const workers = document.createElement('div');
			workers.classList.add(selectors.workers);
			document.body.appendChild(workers);
		},
		createTotalWorkersItem(numberOfWorkers) {
			const totalWorkers = document.createElement('span');
			totalWorkers.classList.add(selectors.totalWorkers);
			totalWorkers.appendChild(document.createTextNode(`Total workers:...