Senior Frontend Engineer

Are you ready to join our digital revolution journey?

Aleph represents the worldâs leading platforms in 130+ markets, across new and existing geographies, enabling platforms like Tiktok, Amazon, Google, and nearly 55 others to expand into new markets, and empowering advertisers to take full advantage of the platformsâ advertising capabilities. Through these long-lasting partnerships, Aleph creates the opportunity for all people and businesses to advertise at a local and global level without limits.

Are you skilled with a passion for creating exceptional user experiences? Are you excited about working with a collaborative and dynamic international team that values innovation and rewards technical excellence?

We are looking for a

Front-End Engineer to join our team in Ljubljana, Slovenia who will be focused on building and upgrading advanced user interfaces made with React JavaScript library while integrating partner APIs into GraphQL middleware.

What You'll Do

Lead the development of high-quality, scalable, and maintainable frontend applications using modern frameworks (e.g., React, AgGrid).

Conduct thorough code reviews to ensure adherence to best practices, performance optimization, and code quality across the team.

Collaborate closely with designers, backend developers, and product managers to translate business requirements into functional, responsive UI components.

Mentor junior developers by providing guidance on coding standards, problem-solving, and best practices through pair programming and knowledge-sharing sessions.

Help drive frontend architecture decisions, including state management, performance improvements, and maintainability strategies.

Research and integrate new frontend technologies, libraries, and methodologies to continually improve development processes and user experience.

Ensure comprehensive testing (unit, integration, end-to-end) and documentation of code, maintaining high test coverage and clarity for future maintenance.

Identify and address technical debt, optimizing code for performance, accessibility, and cross-browser compatibility.

What You Need For This Role

Advanced knowledge of frontend web technologies (HTML, CSS, JavaScript, TypeScript) are important.

Proven hands-on experience in ReactJS development.

Experience with REST service integration, using GraphQL is a plus.

Familiarity with browser testing, debugging and various testing tools.

Proficiency in writing unit tests and versioning of program code, a sense of user experience is a plus.

Minimum 3 years of experience in a similar work.

English proficiency is a must.

What Will Make Us Really Love You

You have a keen eye for detail and a strong sense of design, ensuring seamless user experiences.

You can tackle complex technical challenges and collaborate effectively with cross-functional teams.

Youâre a clear and efficient communicator, able to articulate ideas and solutions to both technical and non-technical stakeholders.

You have excellent problem-solving skills and can balance multiple projects, prioritizing tasks while meeting tight deadlines.

Youâre passionate about staying updated with the latest front-end technologies and applying them to build scalable and high-quality solutions.

What Youâll Love About Us

We care about your individuality by giving you freedom to grow and create within the company, regardless of your position.

Work in a dynamic team in a fast-paced industry of an international company with multi-cultural teams around the world.

Flexible Work Models. In-office, work-from-home, or hybrid, depending on position and location.

Additional Information

#ALEPH

Aleph is a place of many cultures, perspectives, and talents. We support each other, creating an environment of giving and receiving. We value partnership and communication because we believe it takes a group of people to achieve great things. We are energized by our ever-changing industry, our curiosity keeps us learning and seeking out new opportunities.

We stay flexible and adaptable, and believe in moving with the speed of change. We encourage everyone to strive for more, providing our internal talent with growth opportunities and the ability to learn together.

âShare our similarities, celebrate our differences.â â M. Scott Peck

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Senior Frontend Engineer

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