Senior Front-End Engineer

1 week ago

Bucharest, Bucureşti, Romania ARNIA Full time €40,000 - €80,000 per year

About the Role

We are looking for a Senior / Expert Front-End Developer to join a cross-functional international team working on a large-scale collectors' marketplace platform used by millions of passionate users worldwide. This is a front-end–focused position, ideal for someone who enjoys crafting high-quality, scalable user interfaces and improving existing front-end architecture.

You'll work closely with international engineering teams to modernize and replatform the existing system into a more efficient, maintainable, and visually cohesive experience.

Modern stack:

  • React /
  • TypeScript & JavaScript (ES6+)
  • SCSS / CSS Modules
  • Monorepo architecture
  • Storybook / Chromatic for visual testing
  • Automated unit, accessibility, and end-to-end testing
  • Lighthouse performance analysis

Responsibilities

  • Develop and maintain robust front-end features for a global web platform.
  • Participate in architecture design and code reviews to ensure consistency and high quality.
  • Collaborate with distributed teams (including US- and EU-based colleagues) to enhance platform performance and usability.
  • Build new UI components using a design system while extending it with custom solutions where needed.
  • Contribute to the migration of legacy front-end implementations to a modern React-based stack.
  • Ensure accessibility and performance best practices are applied throughout the front-end codebase.
  • Support automated testing and continuous integration practices.

Required Skills

  • 6+ years of experience in front-end development (React and TypeScript).
  • Strong understanding of component-based architecture and modern web standards.
  • Proven experience working in large-scale, multi-team environments.
  • Excellent collaboration and communication skills in remote/distributed setups.
  • Proactive, quality-focused mindset with attention to maintainable and testable code.

Nice-to-Have Skills

  • Experience with legacy migrations
  • Familiarity with design system implementation and component libraries.
  • Accessibility expertise (WCAG standards).
  • AWS or other cloud experience.
  • Exposure to C#, Java, .NET Core, or event-driven architectures.

Working Setup

  • Occasional sync meetings aligned with US working hours (approx. once every 1–2 weeks).
  • Collaborative international team environment.

Share this job:

relocation package

flexible working hours

performance bonuses

job rotation

referral program

medical benefits

trainings

international work experience

attractive projects

learning through Arnia Academy

competitive compensation packages

  • Front-End Software Engineer

    1 week ago

    Bucharest, Bucureşti, Romania Medic Chat Full time 40,000 - 60,000 per year

    Cariere / Front-End EngineerHai in echipa Medic ChatCredem că oricine trebuie să aibă acces ușor și rapid la sfaturi medicale de calitate. Vino alături de noi ca să transformăm acest vis în realitateSuntem un start-up mic, dar plin de oameni motivați și excepțional de buni la ceea ce facem. Avem ambiția să îți oferim oportunitatea să faci...

  • Senior Front-End Engineer

    1 week ago

    Bucharest, Bucureşti, Romania LSEG Full time 40,000 - 80,000 per year

    About Us:LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable...

  • Senior Front-End Engineer

    1 week ago

    Bucharest, Bucureşti, Romania LSEG (London Stock Exchange Group) Full time €40,000 - €80,000 per year

    About Us:LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable...

  • Senior Front-End Engineer

    1 week ago

    Bucharest, Bucureşti, Romania LSEG Full time €60,000 - €120,000 per year

    About Us:LSEG (London Stock Exchange Group) is more than a diversified global financial markets infrastructure and data business. We are dedicated, open-access partners with a dedication to excellence in delivering the services our customers expect from us. With extensive experience, deep knowledge and worldwide presence across financial markets, we enable...

  • Senior Frontend Engineer

    2 weeks ago

    Bucharest, Bucureşti, Romania Factor Eleven Full time €40,000 - €80,000 per year

    YOUR MISSIONWe are looking for a highly-skilled Senior Frontend Engineer to join one of our development teams. In this role, you will be responsible for developing and implementing user interface components using with technologies such as TypeScript, GraphQL, Jest, Cypress and Vite, as we build the future of AI-powered digital advertising. You will also be...

  • Senior Frontend Engineer

    2 weeks ago

    Bucharest, Bucureşti, Romania Factor Eleven Full time €40,000 - €80,000 per year

    YOUR MISSIONWe are looking for a highly-skilled Senior Frontend Engineer to join one of our development teams. In this role, you will be responsible for developing and implementing user interface components using with technologies such as TypeScript, GraphQL, Jest, Cypress and Vite, as we build the future of AI-powered digital advertising. You will also be...

  • Senior Python Engineer

    2 weeks ago

    Bucharest, Bucureşti, Romania Sigma Software Full time €40,000 - €80,000 per year

    Company Description Join a team working at the forefront of AI-powered voice commerce and multimodal experiences reaching millions of users worldwide. We are looking for a Senior Python Engineer with strong Back-end expertise to help design, build, and operate cutting-edge infrastructure that integrates large language models (LLMs) with real-world...

  • Junior Front-end Software Engineer

    2 weeks ago

    Bucharest, Bucureşti, Romania Software Mind Full time 30,000 - 60,000 per year

    Company DescriptionSoftware Mind develops solutions that make an impact for companies around the globe. Tech giants & unicorns, transformative projects, emerging technologies and limitless opportunities – these are a few words that describe an average day for us. Building cross-functional engineering teams that take ownership and crave more means we're...

  • Senior Backend Engineer

    2 weeks ago

    Bucharest, Bucureşti, Romania a4e56829-0ec3-451b-8bec-6016e62ff91c Full time €30,000 - €60,000 per year

    The future looks like youWith over 1,300 stores in 17 European countries and more than 25,000 employees, C&A is one of Europe's leading fashion retailers. Every day, C&A welcomes millions of visitors to its stores in Europe and to its online shop. C&A offers quality and long-lasting fashion at affordable prices forthe many. We are building on more than 180...

  • Senior Frontend Developer

    1 week ago

    Bucharest, Bucureşti, Romania Eeze Full time €40,000 - €80,000 per year

    Eeze is a Malta-based, technology-driven company that has been developing world-leading online gaming platforms and solutions since 1999. Underpinned by a history that directly interconnects with the rise of online gambling, the company has been a key pioneer within the international market. Over the years, Eeze has amassed a world-class team of gambling...