Senior React Developer

Bulgaria Czech Republic Europe Hungary Poland Portugal Romania JavaScript React Software Developer

Необхідні навички

React / strong
HTML5, CSS3 / strong
English / strong

We’re looking for a Senior React Developer to join our dynamic team at Sigma Software!

As part of Stellar, our dedicated AdTech business unit, you’ll collaborate with over 300 experts specializing in cutting-edge advertising technology solutions. Over the years, we’ve had the opportunity to work with some of the biggest AdTech companies in the world. We brought many AdTech startups from an idea to a thriving business. We’ve been working with advertising technology businesses since 2008, helping them envision, build, and support their technology.

If you’re passionate about React and eager to shape the future of AdTech, we’d love to hear from you!

Клієнт

Our client is a leading provider of contextual advertising solutions, specializing in analyzing website content to deliver highly relevant ads tailored to users’ interests. Their technology ensures seamless ad integration, maintaining an uninterrupted and engaging user experience.

Serving both publishers and brands, they enable effective content monetization while preserving content quality and audience engagement.

Вимоги

  • 4+ years of experience in Front-end development with ReactJS
  • Deep understanding of React ecosystem (components, state management, hooks, and rendering)
  • Strong knowledge of modern web technologies and responsive design (HTML5, CSS3)
  • Experience working with RESTful APIs and GraphQL
  • Knowledge of testing tools like Jest, React Testing Library, Enzyme, or others
  • Proven ability to optimize web applications for performance
  • An Upper-Intermediate level of English

Професійний профайл

  • Strong communication and teamwork skills, with experience of collaborating in a remote or distributed team environment in English
  • Excellent problem-solving skills and a proactive attitude toward identifying solutions

Обов'язки

  • Collaborate with client teams to build the UI part for AI features
  • Design and implement modern Front-end architecture, focusing on scalability, maintainability, and performance
  • Develop robust, reusable, and modular components that align with best practices and industry standards
  • Introduce and enforce Front-end best practices, including atomic design and performance optimization
  • Analyze and estimate work in an agile environment
  • Participate in code reviews, ensuring high-quality code and adherence to established standards

Чому ми

  • Різноманітність доменів та бізнесу
  • Великий вибір технологій
  • Медична та юридична підтримка
  • Круте та живе ком'юніті професiоналiв
  • Безперервна освіта та можливість росту
  • Гнучкий графік
  • Віддалена робота
  • Стильний та комфортний офіс (для твого комфорту вибору звiдки працювати)
  • Спортивні заходи та спільноти

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