Senior Frontend Engineer (React)

The Role

We are currently seeking a Senior Frontend Engineer with React expertise to join our team on one of our projects for a leading organization in the consumer healthcare navigation sector.

You will have the opportunity to contribute to building a next-generation, AI-enabled healthcare navigation platform. This is a unique opportunity to write code that directly improves the lives of millions by making healthcare more accessible, intuitive, and personalized.

What you will do

• Collaborate with multiple internal teams in delivering complex features securely and effectively

• Implement key features that showcase product value to the sales team (demo workflows, integrations, sample data).

• Ensure the site is responsive, usable, and polished enough for customer-facing demos.

• Write maintainable, well-structured code.

Requirements

• Strong proficiency in JavaScript (ES6+) and TypeScript.

• Hands-on experience with React.js 18.2 or later versions

• Solid understanding of state management libraries (e.g., Redux, Vuex, or Pinia).

• Knowledge of modern front-end build pipelines, tools, and workflows (Vite).

• Familiarity with RESTful and GraphQL APIs

• Strong grasp of HTML5, CSS3, and responsive design principles.

• Experience with unit and integration testing frameworks (e.g., Jest, Cypress, Testing Library).

• Familiarity with version control (Git) and CI/CD pipelines.

• Excellent written and verbal communication skills.

Nice to have skills:

• Strong advantage: GraphQL, atomic state libraries (jotai, zustand, recoil).

• Experience with large size react repositories.

• Experience with simple CI/CD tasks (Github actions, AWS, s3, CloudFront, Route53)

• Knowledge of design systems and component libraries (e.g., Shadcn, TailwindCSS).

• Understanding of accessibility (a11y) and SEO best practices.

• Experience with developing secure frontend solutions that handle personally identifiable and health-related information.

• Understanding of GDPR, HIPAA information handling.

• Experience with WebPack and Babel.

• Experience integrating 3rd party APIs.

• Experience with Vue.js, Next,.JS, React Native.

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

Additional benefits based on location:

Hungary:

Extensive cafeteria package tailored to your needs (including SZÉP card)

Romania:

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

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

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 f