Claudiu Harton

Senior Vue.js/Kotlin Engineer

Tchibo

Sep 2025 - Current (1 year 2 months)

✅ E-Commerce Platform (Enterprise) Tchibo, a major German retail and e-commerce company operating across 9 European markets, needed to modernize its frontend internationalization architecture and improve platform accessibility and quality standards. ▪️ Migrated the i18n layer from vue-i18n to @nuxtjs/i18n, resolving breaking changes and locale-loading strategies across 9 markets, eliminated recurring localization bugs and simplified future market onboarding. ▪️ Introduced accessible component patterns with ARIA attributes, semantic HTML, keyboard navigation and screen reader support, bringing the platform closer to WCAG 2.1 AA compliance. ▪️ Built end-to-end and unit testing coverage with Playwright and Vitest for internationalized e-commer

Senior Vue.js Frontend Engineer

Voxa

May 2024 - Jun 2025 (1 year 2 months)

✅ Audio Streaming Platform | Startup Voxa, a Romanian fast-growing startup featured in Forbes in the audio streaming and eBook space, aimed to expand its European market share while modernizing and strengthening its platform architecture. ▪️ Redesigned the platform architecture, abstracted pricing, offers and content library into reusable Vue/Nuxt components, cutting onboarding configuration time. ▪️ Enhanced platform performance by leading a hands-on migration from Vue 2 to Vue 3 and by overseeing the transition to Nuxt v3. ▪️ Increased platform stability with Jest unit tests, Cypress E2E tests and GrowthBook feature flags for A/B testing. Vue.js 2/3, Nuxt 3, Pinia, TypeScript, JavaScript, Jest, Cypress, GrowthBook, Docker, GCP Cloud Funct

Senior React.js/Java Fullstack Engineer

INNIO Group

Apr 2023 - Apr 2024 (1 year 1 month)

✅ Power Station Management SASS Platform | Enterprise Innio Group, an Austrian company which offered a SASS management platform for power stations for Germany, Austria and Switzerland wanted to increase the robustness of their platform. ▪️ Successfully supported 26,000 power stations across Europe, while abiding all the regulatory, policy and budget constraints by being a core developer of the application using React, Java and Spring Boot. ▪️Enhanced the user experience, by designing a recommendation engine for spare parts and by developing an on-point solution for a metrics dashboard for uptime such as uptime, efficiency and audit log using React Hooks, Redux and Java. ▪️Streamlined the client journey for different use cases, by developin

Senior React.js/Java Fullstack Engineer

METROdigital

Dec 2022 - Current (3 years 11 months)

✅ Wholesale IT Solutions Provider | Enterprise An IT solution provider for well-known Cash & Carry stores across Europe and Asia, wanted to modernize and improve the efficiency of their voucher management system. ▪️ Integrated with 3 more countries in 6 months due to developing a robust voucher manager, by improving the UI/UX performance for the React components for vouchers and by migrating all services to GCP. ▪️ Increased React front-end performance by optimizing the data pooling from JavaEE components to REST microservices and by migrating from JSF for the front-end to React and Redux. ▪️ Enhanced the users experience, by developing an on-point solution for error handling, validation and multi-step forms using React Hooks, Redux and

Senior React Fullstack Engineer

METROdigital

Dec 2022 - Mar 2023 (4 months)

✅ Wholesale IT Solutions Provider | Enterprise An IT solution provider for well-known Cash & Carry stores across Europe and Asia, wanted to modernize and improve the efficiency of their voucher management system. ▪️ Integrated with 3 more countries in 6 months due to developing a robust voucher manager, by improving the UI/UX performance for the React components for vouchers and by migrating all services to GCP. ▪️ Increased React front-end performance by optimizing the data pooling from JavaEE components to REST microservices and by migrating from JSF for the front-end to React and Redux. ▪️ Enhanced the users experience, by developing an on-point solution for error handling, validation and multi-step forms using React Hooks, Redux and

Senior Vue.js/Node.js Fullstack Engineer

NN

Jan 2022 - Current (4 years 10 months)

✅ Financial Services Platform | Enterprise NN Group for the Netherlands, who was in charge of retirement packages, pensions, and insurance services, wanted to integrate with the government's legislative system for citizens and companies. ▪️ Increased user engagement for 18M end users, by giving a complete picture by integrating with 3rd-party pension providers using REST from the Netherlands. ▪️ Streamlined operations and enhanced the UI, by developing and showcasing the data from the forecast and the prediction engine by transforming 3rd-party XML to JSON REST microservices using Vue and Node. ▪️ Reduced technical debt by 20% by migrating mixins, Options API and Vuex from Vue 2 to Vue 3. Skills: Vue.js 2/3, Node, Express, Composition A

Senior Vue Fullstack Engineer

NN

Jan 2022 - Nov 2022 (11 months)

✅ Financial Services Platform | Enterprise NN Group for the Netherlands, who was in charge of retirement packages, pensions, and insurance services, wanted to integrate with the government's legislative system for citizens and companies. ▪️ Increased user engagement for 18M end users, by giving a complete picture by integrating with 3rd-party pension providers using REST from the Netherlands. ▪️ Streamlined operations and enhanced the UI, by developing and showcasing the data from the forecast and the prediction engine by transforming 3rd-party XML to JSON REST microservices using Vue and Node. ▪️ Reduced technical depth by 20% by migrating mixing, options API and Vuex from Vue 2 to Vue 3. Skills: Vue, Node, Express, Composition API, RE

Senior React.js/Java Fullstack Engineer

METRO SYSTEMS Romania

Aug 2020 - Current (6 years 3 months)

✅ Wholesale IT Solutions Provider | Enterprise An IT solution provider for well-known Cash & Carry stores across Europe and Asia, wanted to modernize and improve the efficiency, speed and responsiveness of their system. ▪️ Improved the efficiency of the system, by batch importing XML and CSV documents for 5 cross-function systems and by holding relevant values in the buffers for faster processing using Java. ▪️ Increased the performance of the application by 30% by having approval, campaign and voucher documents processed by rearchitecting the ORM for the database side and the UI interface based on JSF and Java. Skills: Java, JSF, Spring Framework, Spring Batch, REST, Microservices, SOAP, JPA, IBM WebSphere, Hibernate, Oracle DB

Senior Java Fullstack Engineer

METRO SYSTEMS Romania

Aug 2020 - Dec 2021 (1 year 5 months)

✅ Wholesale IT Solutions Provider | Enterprise An IT solution provider for well-known Cash & Carry stores across Europe and Asia, wanted to modernize and improve the efficiency, speed and responsiveness of their system. ▪️ Improved the efficiency of the system, by batch importing XML and CSV documents for 5 cross-function systems and by holding relevant values in the buffers for faster processing using Java. ▪️ Increased the performance of the application by 30% by having approval, campaign and voucher documents processed by rearchitecting the ORM for the database side and the UI interface based on JSF and Java. Skills: Java, JSF, Spring Framework, Spring Batch, REST, Microservices, SOAP, JPA, IBM WebSphere, Hibernate, Oracle DB

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Senior Vue.js/Node.js Fullstack Engineer

Shopping Cart

Aug 2019 - Jul 2020 (1 year)

✅ E-Commerce Store | Fashion (Startup) ▪️A brick and mortar fashion store due to the pandemic needed to transition to sell online to keep its business. ▪️ Increased client engagement by allowing them to try out clothes online, by developing a Vue component to upload their personal image and virtually probe a dress. ▪️ Streamlined operations between the physical store and the online one by allowing clients to compare clothes which were on stock. Skills: Vue.js, Vuex, Node.js, Express, Quasar.js, JavaScript, PWA, Sequelize, PostgreSQL, Mailgun, Heroku, REST, NPM

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Senior Vue.js/Node.js Fullstack Developer

SLEEP

Feb 2018 - Jul 2019 (1 year 6 months)

✅ Client Relationship Management (CRM) | SLEEP (Startup) Bucharest University of Economics wanted a modern CRM system to manage employees, students and schedules. ▪️ Streamlined HR operation by architecting a single greenfield web application to handle all the functionality. ▪️ Increased student engagement during lecture, by modifying the UI and UX to be more user friendly, by having an interactive UI with a dashboard to have a general overview of all due homework and tasks. ▪️ Increased interaction by 25% between students and class leaders by having a structured, global and intuitive access for all the resources. Skills: Vue.js, Vuex, Node.js, Express, Typescript, REST, Bootstrap, ElementUI, Sequelize, MailGun, Heroku

React.js/Java Fullstack Developer

Metro Systems

Feb 2017 - Jan 2018 (1 year)

✅ Loan Management Platform | Enterprise A multinational company for cash and carry stores, wanted to increase revenue by offering clients to make purchases using loans. ▪️ Built a green-field React dashboard powered by Redux-Saga that tracks live loan status, flags outstanding shipments, measures current service usage, and predicts future client demand using React and TypeScript. ▪️ Improved operating performance by 50% by allowing employees to make informed decisions for loan allocation to specific clients and to evaluate the credit score of clients who were using the loans using Java. Skills: React.js, Redux.js, Node.js, Java, Spring Boot, Microservices, Hibernate, Bootstrap, Web Services, UI/UX, JPA, REST

Senior React.js/Java Fullstack Engineer

Harton Digital

Feb 2016 - Current (10 years 9 months)

👉 Senior React.js/Java Fullstack Engineer with 10 years of experience. Software artist who likes to explore technical software design by resolving critical problems for enterprise applications,

Vue.js/Node.js Fullstack Developer

SiSC Sindicatul Studenților din Cibernetică

Feb 2016 - Current (10 years 9 months)

✅ HR Applicant Tracking System (ATS) | Education An established organization managing over 200 project leaders who collaborate with university students and prominent business executives in Bucharest required a comprehensive solution to streamline their recruitment and record management processes. ▪️Enhanced user engagement and streamlined operations by consolidating multiple applications into a single, unified platform built from scratch, improving both internal workflow efficiency and external user experience. ▪️Reduced operational complexity and maintenance overhead by centralizing data management and implementing a cohesive interface architecture, eliminating dependency on multiple third-party services and simplifying system administrati

Node Fullstack Developer

SiSC Sindicatul Studenților din Cibernetică

Feb 2016 - Jan 2017 (1 year)

✅ HR Applicant Tracking System (ATS) | Education An established organization managing over 200 project leaders who collaborate with university students and prominent business executives in Bucharest required a comprehensive solution to streamline their recruitment and record management processes. ▪️Enhanced user engagement and streamlined operations by consolidating multiple applications into a single, unified platform built from scratch, improving both internal workflow efficiency and external user experience. ▪️Reduced operational complexity and maintenance overhead by centralizing data management and implementing a cohesive interface architecture, eliminating dependency on multiple third-party services and simplifying system administrati

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Claudiu Harton

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