Dejan – React, Typescript, Node.js

This is a consulting agency that specializes in developing a wide range of solutions, from web and mobile apps to Chrome extensions and custom Electron-based browsers. Working with clients across three continents, this agency covers most of the JavaScript stack.

In this position, Dejan has been working on the following:

• designed and developed software architecture;
• led and managed development teams;
• created reusable libraries and frameworks for use across various applications and tech stacks;
• provided training and mentorship to team members.

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.

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.

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.

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.

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.

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.

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​.

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.