Dusan Nikolic — Frontend Developer

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

Last verified on December, 2025

Core Skills

Angular Material UI

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 Languages	TypeScript
JavaScript Frameworks	Angular, Next.js, React
JavaScript Libraries and Tools	Formik, Zod, Zustand
Java Libraries and Tools	Java SE
UI Frameworks, Libraries, and Browsers	Angular Material UI, HTML, SASS, Storybook
Methodologies, Paradigms and Patterns	Agile
Deployment, CI/CD & Administration	CD DevOps pipelines
UI/UX/Wireframing	Figma
Other Technical Skills	CSS/SCSS

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.

How to hire with Upstaff

Talk to Our Talent Expert

Our journey starts with a 30-min discovery call to explore your project challenges, technical needs and team diversity.

Meet Carefully Matched Talents

Within 1-3 days, we’ll share profiles and connect you with the right talents for your project. Schedule a call to meet engineers in person.

Validate Your Choice

Bring new talent on board with a trial period to confirm you hire the right one. There are no termination fees or hidden costs.

Why Upstaff

Upstaff is a technology partner with expertise in AI, Web3, Software, and Data. We help businesses gain competitive edge by optimizing existing systems and utilizing modern technology to fuel business growth.

Real-time project team launch

<24h

Interview First Engineers

Upstaff's network enables clients to access specialists within hours & days, streamlining the hiring process to 24-48 hours, start ASAP.

x10

Faster Talent Acquisition

Upstaff's network & platform enables clients to scale up and down blazing fast. Every hire typically is 10x faster comparing to regular recruitement workflow.

Vetted and Trusted Engineers

100%

Security And Vetting-First

AI tools and expert human reviewers in the vetting process is combined with track record & historically collected feedbacks from clients and teammates.

~50h

Save Time For Deep Vetting

In average, we save over 50 hours of client team to interview candidates for each job position. We are fueled by a passion for tech expertise, drawn from our deep understanding of the industry.

Flexible Engagement Models

Custom Engagement Models

Flexible staffing solutions, accommodating both short-term projects and longer-term engagements, full-time & part-time

Unique Talent Ecosystem

Candidate Staffing Platform stores data about past and present candidates, enables fast work and scalability, providing clients with valuable insights into their talent pipeline.

Transparent

No Hidden Costs

Price quoted is the total price to you. No hidden or unexpected cost for for candidate placement.

One Consolidated Invoice

No matter how many engineers you employ, there is only one monthly consolidated invoice.

Ready to hire Dusan Nikolic
or someone with similar Skills?

Book a call with Dusan Nikolic

Start Hiring