Hello world,
I'm Maksim
Senior Software Engineer

Full-stack development | AI Integration | Modern Web Technologies

Maksim Šetić Profile Picture

About Me

Programming illustration

A little about me

Senior Software Engineer with 5+ years of comprehensive experience in full-stack development, specializing in building scalable, production-grade applications. Expert in modern JavaScript frameworks, server-side rendering, and progressive web technologies with a proven track record of delivering enterprise solutions.

Deep expertise in AI integration and intelligent application development, including implementing machine learning models, natural language processing, and AI-powered features into production systems. Experienced in working with OpenAI APIs, LangChain, vector databases, and building AI-driven user experiences that enhance product capabilities.

Passionate about technology since childhood, I've built my career on continuous learning and hands-on experience. I've successfully architected and deployed web applications, native mobile apps, and AI-enhanced platforms for enterprise clients, startups, and large-scale systems serving thousands of users.

As a driven engineer, I thrive in challenging environments where I can leverage cutting-edge technologies to solve complex problems and deliver measurable business value.

Skills & Technologies

Technical Expertise

Comprehensive full-stack expertise with modern frameworks and AI technologies:

JavaScript / TypeScript
Expert
React.js
Expert
Next.js
Expert
Node.js / Express
Advanced
AI Integration & Development
Advanced
Redux / Zustand / State Management
Expert
React Native / NativeScript
Advanced
Python / ML Libraries
Intermediate
Git / CI/CD / DevOps
Advanced
PostgreSQL / MongoDB / SQL
Advanced
Docker / Kubernetes
Intermediate
Jest / Testing Library / Cypress
Advanced
10%

Featured Projects

Weather App

Instalacije Vrban

ezSense eCommerce webShop

OptimizerX Vehicles

Chat App

Infosit cards module

GitHub Search App

ToDo App

TicTacToe

Work experience

  • Full-Stack Software Engineer

    Caelor - Atlassian Apps · Full-time

    May 2020 - Nov 2022 · 2 yrs 7 mos

    Engineered scalable web applications and component libraries for Atlassian Marketplace apps including MacroSuite and ContentViz, serving thousands of enterprise users. Specialized in React.js and TypeScript for building robust, type-safe UIs with comprehensive test coverage using Jest and React Testing Library. Architected Next.js applications with server-side rendering, static generation, and API routes for optimal performance and SEO. Implemented sophisticated state management solutions using Redux Toolkit and Zustand, designing normalized data structures and efficient update patterns. Built Node.js/Express.js backends with RESTful APIs, authentication middleware, and database integrations. Developed reusable UI component libraries with Storybook documentation, ensuring consistency across products. Participated in technical architecture discussions, code reviews, and knowledge-sharing sessions. Collaborated across teams to establish coding standards, performance benchmarks, and development workflows that improved team velocity by 40%.

    React.js TypeScript Next.js Node.js Express.js Redux Toolkit Zustand Jest Storybook REST APIs

  • Full-Stack Mobile Developer

    Felloz · Contract

    Dec 2022 - Dec 2023 · 1 yr 1 mo

    Architected and delivered a production-ready cross-platform donation application for Android and iOS as part of a lean startup team. Led mobile frontend development using NativeScript with Angular and React Native, implementing sophisticated state management and optimized rendering strategies. Built custom PHP backend infrastructure to handle secure payment processing, user authentication, and real-time donation tracking with MySQL database integration. Implemented push notifications, geolocation services, and offline-first architecture for enhanced user experience. Established CI/CD pipelines for automated testing and deployment to both App Store and Google Play. Collaborated in an agile environment with daily standups, sprint planning, and iterative development cycles while maintaining high code quality through comprehensive testing and code reviews.

    React Native NativeScript Angular PHP MySQL REST APIs Mobile Development CI/CD

  • Senior Software Developer

    Kodelab · Full-time

    Jan 2024 - May 2025 · 1 yr 5 mos

    Led development of custom enterprise software solutions for diverse clients, delivering production-grade applications with cutting-edge technologies. Architected and implemented AI-powered features using OpenAI APIs, LangChain, and vector databases to create intelligent user experiences. Specialized in React.js and Next.js for building performant SSR and SPA applications with advanced routing, ISR, and edge functions. Developed robust Node.js backends with TypeScript, implementing RESTful and GraphQL APIs for complex data interactions. Integrated machine learning models and NLP capabilities into client applications, enabling smart search, content generation, and automated workflows. Mentored junior developers on best practices, code architecture, and modern development patterns. Collaborated closely with designers, product managers, and stakeholders to scope AI-enhanced features, manage technical roadmaps, and deliver pixel-perfect implementations. Emphasized performance optimization, accessibility standards (WCAG 2.1), and scalable architecture across all client projects.

    React.js Next.js TypeScript Node.js AI Integration OpenAI API LangChain GraphQL PostgreSQL Redis Docker