Frontend Developer

7 days ago

Belgrade, Central Serbia Red Black Tree Full time 40,000 - 60,000 per year

Red Black Tree is a Serbia-based software development company with over 13 years of experience, delivering custom software solutions to clients across the EU and the USA.

We specialize in end-to-end software development, covering every phase of a project, from concept and architecture to development, testing, maintenance, and IT consulting. Our solutions are scalable, secure, and tailored to business needs.

With expertise across diverse industries, we deliver impactful solutions in Energy & EV Charging, Healthcare, Automotive, AI & ML, and EdTech.

Today, with a team of approximately 70 dedicated professionals, we have expanded our presence with offices in Belgrade and Čačak, and we continue to grow.

We're Hiring: Frontend Developer

We are seeking a motivated
React Frontend Developer

to join our expanding, cross-functional development team. You'll work closely with experienced engineers, designers, and product managers to build high-quality, maintainable, and performant user interfaces for our applications.

This role is ideal for someone who has at least 1
year of professional experience

with modern frontend technologies, enjoys writing clean and efficient code, and is eager to learn and grow within a supportive environment.

What We're Looking For:

  • University degree in computer science (or equivalent experience).
  • At least 1 year of professional experience

developing React applications.
- Solid understanding of
JavaScript (ES6+)

and
TypeScript

.
- Experience with common Frontend development tools such as npm, pnpm, Yarn, Webpack, etc.
- Familiarity with
RESTful APIs

and version control systems (
Git

).
- Experience with testing tools like unit and integration tests using
Jest

and
React Testing Library
- Experience with other front-end frameworks/libraries (such as Angular, Vue, etc.) is a plus.
- Experience with Docker is a plus.
- Attention to detail, willingness to learn, collaborative mindset, and readiness to grow with the company.
- Proactivity and self-determination in every aspect of work.

Your Responsibilities:

  • Develop and maintain scalable frontend applications using
    React

and
TypeScript

.
- Implement reusable and responsive UI components with
Tailwind CSS

.
- Work with
React Hook Form

,
Zod

, and
TanStack Query

to build robust forms and data-driven UIs.
- Collaborate with backend developers and product teams to deliver high-quality user experiences.
- Write and maintain unit and integration tests using
Jest

and
React Testing Library

.
- Participate in code reviews, pair programming, and continuous improvement initiatives.
- Contribute to Frontend best practices, performance optimizations, and documentation.
- Communicate effectively about any issues, challenges, or potential problems, ensuring timely and transparent problem-solving.

What We Offer:

  • Remote & Hybrid Work – Choose what works best for you.
  • Flexible Working Hours – Work at your most productive time.
  • Cutting-edge Equipment – The tools you need to succeed.
  • Health & Wellbeing – We care about your work-life balance.
  • Support for New Parents – Because family comes first.

How to apply:

Now that you know about us and the position we are trying to fill, we would like to learn more about you. Send us your CV at

and we will quickly reply.

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