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Dejan – React, Typescript, Node.js, experts in Lemon.io

Dejan

From Bosnia And Herzegovina (GMT+2)

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Full-stack Web DeveloperSenior
Hire developer
11 years of commercial experience
AI
Consulting services
Fintech
Hospitality
Sports
Travel
Customer support software
SaaS
Gaming software
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Dejan – React, Typescript, Node.js

Meet Dejan - a seasoned SeMeet Dejan, a seasoned Senior Software Engineer with over 9 years of experience in the tech industry! He has made significant contributions across various domains, including hospitality, gaming software, fintech, and customer support. With a background as a Tech Lead and Lead Engineer, Dejan skillfully merges engineering expertise with management, showcasing his strong leadership potential.

Combining exceptional interpersonal skills with advanced knowledge of React.js and Node, Dejan is an invaluable asset to any team. Don’t wait—let's set up an interview and elevate your project to new heights!

Main technologies
React
8.5 years
Typescript
6 years
Node.js
8.5 years
Additional skills
React Native
Next.js
Ready to start
ASAP
Direct hire
Potentially possible

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Experience Highlights

Lead Developer
Mar 2021 - Dec 20221 year 9 months
Project Overview

The client was a reservation management platform for restaurants, targeting owners and managers. It offered tools for CRM, analytics, and integrations with POS systems to optimize restaurant efficiency and profitability.

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Responsibilities:

Dejan was responsible for the following:

  • led the team of engineers;
  • built B2B and B2C products for hospitality industry;
  • oversaw the reshaping of the onboarding process;
  • introduced gamification to engage users deeply;
  • refined React.js codebase, hence, improving the app performance.
Project Tech stack:
React
Solution architecture
SASS
Tech Lead
Feb 2018 - Mar 20213 years 1 month
Project Overview

The client provided advanced software solutions for the sports betting and iGaming industry. Their offerings included customizable betting and iGaming platforms, casino games, and retail software to enhance both online and land-based operations. Their target audience consisted of gaming operators seeking to optimize user experiences and streamline business management through innovative, secure, and integrated tools.

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Responsibilities:

Among others, Dejan carried out the following:

  • created architecture for multiple projects in the massive SAAS ecosystem;
  • led team of developers;
  • worked with the stakeholders on product requirements and deadlines;
  • defined project goals and software requirements through direct stakeholder engagement;
  • led development using React, Vue, Node, GraphQL, Express, and MongoDB;
  • built and maintained key in-house libraries;
  • set standards for coding practices and guided project architecture;
  • built and maintained in-house libraries;
  • implemented automation tools to streamline processes;
  • participated in hiring suitable technical talent;
  • mentored interns and junior developers;
  • promoted knowledge sharing and team growth.
Project Tech stack:
Solution architecture
React
Node.js
Vue.js
Socket.io
RabbitMQ
GraphQL
MongoDB
Full Stack Developer (part-time)
Mar 2017 - Oct 20192 years 7 months
Project Overview

The customer was a digital agency specializing in web design, combining research-driven strategies and creative design to deliver impactful experiences for diverse clients. They partnered with forward-thinking individuals and organizations seeking transformation. Their main moto: a successful journey begins with a compelling website that not only impresses but also engages your audience and drives business growth.

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Responsibilities:

Dejan successfully executed such tasks as:

  • led a team of six in developing progressive web applications;
  • utilized ReactJS, Redux, NodeJS, MongoDB, and Firebase in projects;
  • participated in the Project Initiation Phase by gathering requirements;
  • crafted project estimations for accurate planning;
  • contributed to the hiring process by evaluating technical skills and designing test tasks & assessments;
  • designed test tasks and assessments for potential candidates.
Project Tech stack:
React
Vue.js
Firebase
MongoDB
Redux
Vuex
Full Stack Developer
Sep 2016 - Feb 20181 year 5 months
Project Overview

This particular customer was a technology company specializing in digital commerce solutions for the retail, restaurant, and banking industries. Their target audience included businesses looking to enhance customer experiences and improve operational efficiency. It offered services such as point-of-sale systems, self-service kiosks, customer engagement tools, and analytics platforms, serving over 600,000 locations worldwide​.

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Responsibilities:

Dejan's managed the following tasks:

  • developed internal productivity tools for tech support operators in the hospitality and finance sectors;
  • served as SWS representative, focusing on internal productivity tools for tech support agents;
  • developed and maintained tools using JavaScript, ReactJS, NodeJS, and Electron;
  • created a custom vanilla JavaScript library for DOM manipulation, pub-sub functionality, and state management;
  • designed STML (Simple Template Markup Language), a custom XML-like templating tool with a JavaScript parser for enhancing productivity tools.
Project Tech stack:
React
Node.js
JavaScript
Solution architecture

Languages

English
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