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Dusan Nikolic
🇷🇸Serbia
Created AtUpstaffer since December, 2025

Dusan Nikolic — Frontend Developer

Expertise in Front-End Web (4.5 yr.), React Developer (4.5 yr.).

Last verified on December, 2025

Core Skills

Bio Summary

Software engineer with a strong focus on frontend development utilizing modern frameworks such as Angular, React, and Next.js with proficiency in TypeScript. Demonstrates expertise in creating scalable and maintainable web applications with a history of improving codebases adhering to SOLID principles and optimizing for performance to achieve high Lighthouse scores. Established a record in implementing white-label solutions, UI component libraries, CI/CD pipelines with Docker, and comprehensive test coverage with Cypress. Brings experience in technical leadership, including guiding teams and enhancing product accessibility standards. Holds an education in Information Systems and Technologies, communicating fluently in English and Serbian as part of an international collaborative environment.

Technical Skills

Programming LanguagesTypeScript
JavaScript FrameworksAngular, Next.js, React
UI Frameworks, Libraries, and BrowsersAngular Material UI, HTML, SASS, Storybook
JavaScript Libraries and ToolsFormik, Zustand
Java Libraries and ToolsJava SE
Methodologies, Paradigms and PatternsAgile
Deployment, CI/CD & AdministrationCD DevOps pipelines
UI/UX/WireframingFigma
Other Technical SkillsCSS/SCSS, Zod

I have worked in an international environment on Austrian Post business solutions, collaborating with Austrian colleagues on a wide range of projects. My experience includes handling technical debt, rewriting legacy Angular applications into modern React codebases, presenting progress and results to stakeholders within agile workflows, configuring Docker and CI/CD pipelines, as well as onboarding and mentoring new team members.

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