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Jeton Kadrija

@jetonkadrija

Senior Software Engineer at Upwork building Vue.js and Node.js applications, with load-time reductions of over 30%.

At Upwork, I develop and maintain web applications and APIs with Vue.js, Node.js, Express, and Nuxt.js. I implemented Vuex state management, integrated GraphQL, and optimized application performance, reducing load times by over 30%.

At IQVIA, I built web and mobile apps for Healthcare and Life Sciences and optimized performance to reduce load times by 40%. I also led a cross-functional team, conducted code reviews, and mentored junior engineers.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer, Front End

Current

Upwork

May 2024 - Present (2 years 5 months)

Develop and maintain scalable web applications and APIs using Vue.js, Node.js, Express, and Nuxt.js. Implemented state management with Vuex, integrated GraphQL, and ensured code quality through Jest and Cypress testing.

Vue.Js NodeJS Express Nuxt.Js Vuex GraphQL Jest Cypress Jenkins SonarQube

Senior Software Engineer / Technical Lead

IQVIA

Jul 2020 - Apr 2024 (3 years 9 months)

Built web and mobile apps for Healthcare and Life Sciences using NodeJS, Express, Sequelize, React, React Native, Redux, and Material UI. Optimized performance reducing load times by 40% and led a cross-functional team.

NodeJS Express Sequelize React React Native Redux Redux toolkit Material UI NativeBase Formio

Senior Software Engineer

Jacando AG

Jul 2022 - Nov 2022 (4 months)

Worked as a Senior Software Engineer using React, NodeJS/Express, Mongoose, and MongoDB.

React NodeJS Express Mongoose MongoDB

Technical Lead

Perfocal

Jul 2020 - May 2021 (10 months)

Served as Technical Lead for the Perfocal project, a photographers on demand platform, using React, NodeJS/NestJS, TypeORM, PostgreSQL, AWS, and DigitalOcean CI/CD pipelines.

React NodeJS NestJS TypeORM PostgreSQL AWS DigitalOcean CI CD

Lead Senior Software Developer

Inspire11

Jan 2019 - Oct 2020 (1 year 9 months)

Developed a GPS tracking platform (FleetPulse) using React Native with Redux for mobile, React on the web with Redux and Material UI, Semantic UI, and Google Maps API.

React Native Redux React Material UI Semantic UI Google Maps API

Senior Software Developer

Tarmac

Jan 2018 - May 2019 (1 year 4 months)

Worked on MyAlerts as a NodeJS Developer building backend services with ExpressJS, Sequelize/PostgreSQL, and AWS Lambdas. Also worked on Hiitide as a Full Stack JavaScript Developer building a fitness platform.

NodeJS ExpressJS Sequelize PostgreSQL AWS Lambda React Native Redux Redux Saga React AdonisJs Lucid Knex

Software Developer

DigitalGate

Feb 2017 - Jan 2018 (11 months)

Developed EasyClock, an HR and Payroll System, as a Backend Developer using NodeJS, JavaScript ES6, ExpressJS, Sequelize ORM, and PostgreSQL. Also developed Klimarechner as a Front-End Developer with JavaScript, jQuery, HTML, CSS, and Bootstrap.

NodeJS JavaScript ES6 ExpressJS Sequelize PostgreSQL jQuery HTML CSS Bootstrap

Software Developer

AdaptiveScale

Feb 2016 - Feb 2017 (1 year)

Developed ElsiePic as a Backend Developer using NodeJS, Express, JavaScript, MongoDB, Mongoose, Redis, and WebSockets. Also developed LXDUI, a web UI for LXD/LXC, as a Full Stack Developer with Python and pylxd, JavaScript, HTML5, and CSS.

NodeJS Express JavaScript MongoDB Mongoose Redis WebSockets Python LXD HTML5 CSS

Software Developer

Ciwong

Aug 2015 - Dec 2016 (1 year 4 months)

Worked as a JavaScript Developer with NodeJS, PostgreSQL, and ExpressJS. Also did React Native development for an educational platform.

JavaScript NodeJS PostgreSQL ExpressJS React Native

Software Developer

Bridge Technology

Nov 2013 - Aug 2015 (1 year 9 months)

Worked as a Full Stack JavaScript Engineer using JavaScript, HTML5, NodeJS, SailsJS, jQuery, Sockets.IO, WebRTC, PostgreSQL, ExpressJS, PHP, and Laravel.