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Senior Front-end Developer (React/Next.js) | Kaunas

Adtech Kaunas Today

engineering

Mediatech

Mediatech is one of the fastest-growing digital publishing houses, reaching over 25 million people every month across Cybernews, Wellness Pulse, InvestorsObserver, and our wider network.

We deliver trusted, independently researched insights across tech, cybersecurity, health, and finance. Our investigations have exposed major security issues at NASA, WhatsApp, ChatGPT, PayPal, LinkedIn, and the Red Cross, and uncovered the largest-ever password leak (RockYou2024).

We’re a team driven by curiosity, impact, and fast growth — and we’re looking for people who want to build with us.

Development team

Our developer team combines its expertise and each member has their own twist on specific areas. Our team is open-minded and willing to learn along the way as well.

You

We acknowledge that success starts with having the right people in the right place. If you live and breathe web technologies and want to build things and see how they perform in the real world, join our development tribe, and expand our forces!

WHAT WILL YOU DO

Develop high-quality, scalable UI components using React & TypeScript, working with Next.js, also having exposure to development and maintenance of templates within Symfony projects

Collaborate closely with designers to bring design concepts to life with precision and usability in mind

Take full ownership of your work — from concept to deployment — ensuring every solution is well-crafted, reliable, and aligned with project goals

Work with back-end developers to ensure seamless integration of front-end and back-end logic

Solve complex logic problems with clean, maintainable, and efficient code

Continuously improve and refactor existing codebase, keeping documentation clear and up to date

Optimize applications for speed, responsiveness, and performance across all devices

See the bigger picture of the project — understand product goals and contribute to technical decision-making

Provide mentorship and guidance to less experienced developers, helping them grow their skills and follow best practices

Support the team by promoting a collaborative, solution-oriented mindset and sharing knowledge

Stay current with the latest front-end technologies, tools, and best practices

WE EXPECT YOU TO HAVE

Proven experience as a Front-End Developer with a strong design focus

Proficiency in TypeScript, JavaScript, HTML, and CSS

Experience with front-end frameworks/libraries (e.g., React, Vue.js, Next.js)

Solid understanding of development practices with React

Experience with component libraries (e.g. MUI)

Knowledge of CSS pre-processors (e.g., SASS, LESS)

Strong understanding of responsive design principles

Ability to create pixel-perfect designs and implement them into functional code

Familiarity with design tools such as Sketch, Figma, or Adobe XD

Excellent problem-solving skills and attention to detail

Strong communication and collaboration skills

Experience with version control systems (e.g., Git)

Experience with working with API integrations

NICE TO HAVE

Experience with front-end build tools (e.g., Webpack, Vite)

Experience with testing frameworks and tools (e.g., Jest, Playwright)

SEO basics know-how (understand featured snippets, schema)

Understanding of accessibility standards and best practices (WCAG)

Experience with documentation tools like Storybook

AT MEDIATECH YOU WILL GET

Health & Well-being – Private health insurance with mental health coverage (including psychotherapy sessions), in-house physiotherapy, and access to premium wellness apps and fitness resources

Time to Recharge – Paid sick days and extra vacation days that grow the longer you’re with us

Continuous Growth – Deep focus on individual progress, backed by the 70/20/10 development model and a variety of L&D initiatives that help boost performance all year round. You’ll have a learning budget for courses, conferences, books, and subscriptions — plus regular knowledge-sharing sessions

Recognition & Support – Work anniversaries, celebrations for personal milestones such as birthdays, weddings, welcoming new family members, and more

Community & Connection – Quarterly events to share knowledge, strengthen alignment, and foster collaboration across teams — plus company workations, wellness challenges, marathons, and other initiatives that bring people together in meaningful ways

Workspace & Comfort – Pet-friendly, centrally located offices designed for collaboration and focus, with snacks and spaces to connect or recharge

Flexibility – A hybrid work model built on trust and autonomy, with in-person moments that matter

We care about our team as much as our content. That’s why we focus on real benefits — the kind that help you grow, stay healthy, and feel supported both at work and beyond.

The future of media is now — be part of it.

At Mediatech, your ideas shape what’s next. Grow your skills, work with great people, and make something that matters.