Lazar K.

Lazar K.

Belgrade, Serbia
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About Me

A highly motivated full-stack developer, Lazar builds web applications with JavaScript, React.js, Node.js, Express.js, MongoDB, Gatsby, and other technologies. He has created software products in diverse industries, including healthcare and real estate portals for international clients. Lazar is committed to collaborative problem-solving and developing high-quality products with a focus on researching methods to meet company and business needs through technology. He is confident, naturally curious, and passionate about producing well-tested quality code.

Frontend

React.js JavaScript CSS React Hooks Frontend Development HTML Svelte Vue.js

Backend

Context API Node.js Rest API

Database

MongoDB SQL

Other

Agile software development Redux Material UI Full Stack Development GatsbyJS Mongoose npm Typescript

Work history

UpStack
UpStack
Full-stack Developer
2020 - Present (5 years)
Remote

  • Creating and developing innovative software solutions for various clients across a broad range of industries.

  • Worked on the development of a platform offering Italian heritage services.

  • Ensuring that features are being delivered efficiently and on time.

React.jsNode.jsJavaScriptVue.jsSvelteFull Stack DevelopmentGatsbyJSHTMLCSSMongooseMongoDBReduxRest APITypescriptMaterial UI
italyMONDO! (via UpStack)
italyMONDO! (via UpStack)
Full-stack Developer
2021 - Present (4 years)
Remote

  • Developed the company's main website followed by a set of service-specific websites; implemented the front end using GatsbyJS, MaterialUI, and connected to headless CMS for fetching data.

  • Designed the front-end architecture for an internally used complex and dynamic application.

  • Built a complex UI consisting of components such as forms, big tables, canvases for data visualization, etc.

React.jsJavaScriptTypescriptGatsbyJSFrontend DevelopmentMUI (Material UI) HTMLCSSStyled ComponentsEmotion (CSS-in-JS)Storybookd3.jsReact HooksRedux
Itekako
Itekako
JavaScript Developer
2019 - 2020 (1 year)
Belgrade, Serbia

  • Developed solutions for a software engineering company with capacity to implement and support high-end product development.

  • Created UIs using React.js, built reusable components, and wrote tests.

  • Closely collaborated with software developers, designers, and the QA team.

JavaScriptReact.jsNode.jsVue.jsSvelteReduxMongooseFull Stack DevelopmentMongoDB
Beyond Imagine
Beyond Imagine
JavaScript Developer
2019 - 2019
Remote

  • Developed software solutions for a full-service digital design and development agency that specializes in digital products, eCommerce, branding, and more.

  • Built static websites and web applications to meet customer demands.

  • Developed FooshMD, a platform for scheduling in-person home visits for urgent and routine healthcare matters, using GatsbyJS (React) and Tailwind CSS for styling.

JavaScriptReact.jsGatsby Tailwind CSSNode.jsVue.jsSvelteHTMLCSSReact HooksReduxREST APIs

Showcase

Full-stack Developer - FooshMD
Full-stack Developer - FooshMD

  • FooshMD is a platform for scheduling in-person healthcare visits.

  • It supports participating providers accepting major healthcare insurance.

  • The application is built using GatsbyJS, React, and Tailwind CSS, and deployed to AWS via GitLab CI.

Full-stack Developer - RMC Assets
Full-stack Developer - RMC Assets

  • RMC Assets is a commercial real estate investment company.

  • The company focuses on value-add commercial assets in the New York metro area.

  • The team developed a web platform using Next.js and Tailwind CSS.

Full-stack Developer - PF Nexus
Full-stack Developer - PF Nexus

  • PF Nexus is a platform for banks, funds, developers, and JV partners to originate energy and infrastructure deals.

  • The platform utilizes a web application built with React.js.

  • The primary mission of PF Nexus is to address the challenge of finding capital for global infrastructure.

Education

BSc Electrical Engineering
BSc Electrical Engineering
University of Belgrade - Serbia
2015 - 2019 (4 years)