Senior Fullstack Java Script Engineer

The Role

We are looking for a skilled Frontend Developer with a strong foundation in JavaScript/TypeScript and experience working with modern frameworks like React. In this role, you will be responsible for building and maintaining user-facing features, contributing to scalable frontend architecture, and writing clean, testable code. You will work closely with cross-functional teams to deliver high-quality web applications.

What you will do

• Develop and maintain web applications using JavaScript/TypeScript, React, and a state management library (preferably Redux)
• Work on improvements, bug fixes, and new feature implementation
• Write and maintain unit tests (preferably using Jest) to ensure application stability and performance
• Collaborate with backend developers, designers, and product managers to translate requirements into functional user interfaces
• Optimize applications for performance and scalability
• Participate in code reviews and contribute to continuous improvement efforts
  
  

Requirements

• Strong experience with JavaScript and TypeScript
• Proficiency in React.js and state management (preferably Redux)
• Experience with Node.js
• Familiarity with writing unit tests, ideally using Jest
• Strong problem-solving skills and attention to detail
• Effective communication and teamwork in cross-functional environments
• A proactive, self-driven attitude toward learning and improvement
  
  

Nice To Have

• Experience with AWS and cloud-based deployment/infrastructure
• Familiarity with MSSQL
• Knowledge of web scraping techniques or tools
  
  

What we offer

• Hybrid / flexible working model and flexible working hours
• Private Medical and/or Health Insurance (location dependent)
• Length of Service Awards
• Referral programme
• The option of a cafeteria package, meal tickets or team lunches (location dependent)
• A culture of continuous growth, supported by our People Lead system and various training resources for your personal development
• Agile mindset, simplified processes, and a great atmosphere where commitment and autonomy are celebrated
• A community-first mindset working with talented people across technology products and consulting
• Charity events and programs
  
  

(*) As we hire permanent employees for this role, we offer remote opportunities only in Romania, Lithuania and Hungary.

Additional benefits based on location:

Hungary

Extensive benefit package: SZÉP card (a multipurpose cash replacement item for accommodation, meal, leisure & entertainment purposes)

Lithuania

Discount benefits platform, the opportunity to work from abroad (max. 60 days per annum)

Romania

Bookster library subscription, and the opportunity to work from abroad (max. 60 days per annum)

About Us

Zenitech is a leading technology solutions provider dedicated to reshaping the global digital landscape. Headquartered in the UK, Zenitech operates internationally, with offices in Lithuania, Romania, and Hungary.

We use a bespoke approach depending upon where the client is on their digital journey, comprising a combination of access to dedicated R&D labs, technology implementation advice, and specialist nearshore development talent. As an international community of individuals who are open to learn from each other, we collectively define and input into the digital future of the clients’ businesses.

Why Zenitech?

• Impactful Projects: Drive meaningful change through digital transformation projects and have an opportunity to make an impact on many different industries.
• Collaborative Culture: Be part of a diverse, inclusive team committed to growth, innovation, and continuous learning.
• Professional Growth: Zenitech supports continuous learning and development through the People Lead system, helping you advance your skills and career.
  
  

Diversity and Inclusion

Zenitech celebrates diversity in all its forms. We aim to create an inclusive environment where everyone feels valued for their unique contributions and perspectives. If you require any adjustments during the application process, please let us know—we’re here to help. Our commitment to diversity, equity, inclusion, and belonging can be found here.