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Senior Frontend Software Developer – React (m/f)

KONČAR - INSTITUT ZA ELEKTROTEHNIKU d.o.o.
Apply until: 2/16/2026
Work location: Zagreb

Job description

Our Transformer Department is looking for a new co-worker who will have a chance to be a part of one of our young developer teams. Our Transformer department is working on numerous R&D assignments for power, distribution and instrument transformers. In smaller teams of young researchers and experienced specialists, a dynamic working culture, experience sharing, and an eagerness for learning and individuality is encouraged. We aim to attract skillful and bright people to bring new perspectives to the team and mutually improve our skills. While encouraging collaboration and teamwork, we also promote a trusting atmosphere, mentoring, consulting, and exchanging of ideas. What we expect from you is passion for software development and for learning software engineering concepts. You don’t have to know everything we need but should have a will and passion to learn and adapt. Job description: Development of a web application that support the transformer testing process. Applications enable users to search, store, analyze and visualize test data, as well as generate detailed reports.
Job typePermanent

Required education, knowledge and skills

- 7+ years of professional experience in the usage of React - B.Sc./Master’s in computer science/computer engineering - Proficient with TypeScript - Proficiency in at least one UI library (preferably Material UI) - Familiarity with state management libraries (preferably use Redux Toolkit) - Familiarity with React Query (optional) - Git - Knowledge of best practices, design patterns, and key principles of software development - Strong attention to detail and a passion for delivering quality products - Working knowledge of English language
Required educationMaster's degree, Bachelor's degree, Professional Bachelor (of), Master's degree, Bachelor's degree
LanguageEnglish (B2)
Minimum years of work experience7

Employment benefits

- Work in a stable and promising company - Stimulating and regular income according to the achieved results - Christmas, Easter and holiday bonuses - Flexible working hours (7 am – 5 pm) - Hybrid working - Additional days of paid leave (e.g. marriage, the birth of a child, moving…) - Additional financial benefits (e.g. the birth of a child, completion of post-graduate doctoral or specialist studies…) - 24-hour employee insurance against the consequences of an accident - Regular medical check-ups - Reimbursement of transportation costs to and from work - Official mobile phone - Friendly and supportive work atmosphere - Team-buildings, etc. If you are an enthusiastic, motivated, and ambitious person, open to new challenges and knowledge, and have found yourself in a description, send us your CV. We value diversity and ensure equal employment opportunities for all candidates, regardless of age, gender, religious or sexual orientation, or ethnic background. Only selected candidates will be invited to the selection process, which may include a psychological assessment, interview, evaluation of professional knowledge, and English language proficiency, about which they will be informed in a timely manner.
KONČAR - Institut za elektrotehniku d.o.o.
KONČAR - Institut za elektrotehniku d.o.o.
https://www.koncar-institut.hr/hr/Fallerovo šetalište 22, 10000 ZagrebKONČAR – Electrical Engineering Institute is a dynamic company with many years of experience in the areas of electrical engineering, rail vehicles and infrastructure, laboratory testing, diagnostics, and certification.
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Published on1/27/2026
Work modeHybrid

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