Frontend Engineer

Kargo London, UK 2d ago

engineering

Kargo unites the world's leading brands, retailers and premium publishers across screens using innovative technology and advanced creative ad formats. At Kargo, we're all about bringing together the best of the best with a spark of creativity to stand out from the crowd. The same is true for our employees. What makes Kargo and each Kargo team member exceptional makes our company special. Kargo believes differences should be celebrated and is committed to diversity in the workplace. As an Equal Opportunity employer, we do not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity, marital status, age, national origin, protected veteran status, disability or other legally protected status. Individuals with disabilities are provided reasonable accommodation to participate in the job application process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.
Founded in 2003, Kargo is a global company headquartered in New York with offices around the world.

Title: Frontend Developer

Job Type: Permanent

Job Location: London

The Opportunity

As a Frontend Developer working at Kargo you will have the opportunity to work on cutting edge technologies, delivering engaging user experiences across the desktop and mobile. As part of this role you’ll be working on the next generation of media planning and buying tools, finding new and innovative ways to simplify complex workflows. You’ll be responsible for helping to guide our overall approach to front-end development and delivering the big little things that really take the user experience to the next level.

The Daily To-Do

In your day-to-day role, you will be responsible for:

Collaborating with your engineering team to architect front-end and back-end interactions and design reusable APIs.
Delivering industry-changing features that rethink media planning & buying.
Implementing and refining components within a reusable design system.
Ensuring code quality and best practices through implementation of continuous integration and delivery.

Qualifications :

Expert in React with a strong focus on functional components and modern patterns (hooks, context, etc.).
Proficient in Javascript, TypeScript and Node.js.
Hands-on experience with Next.js, Remix or similar frameworks, including SSR, routing, and performance optimization.
Familiarity with monorepo tools such as Nx or Turborepo for managing scalable codebases.

Nice to have:

Exposure to backend technologies and systems design.
Experience with gRPC, Protocol Buffers, or other binary communication protocols.
CI/CD pipeline familiarity.
Performance monitoring and front-end observability tools.
UX/UI sensibility and collaboration with design teams.

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