Freelance Senior Frontend Engineer Freelance Engineering London

Freelance Senior Frontend Engineer
Remote Contract (UK Candidates Only)

About Elsewhen:

Elsewhen, a London-based end to end consultancy, designs digital products and services for clients like Spotify, Google, Inmarsat, and WPP. Over the past decade, we have built a workplace prioritising impact, drive, openness, and friendliness. We value outcomes over hours and agility over rigid processes.

Work Environment:

• Remote-first setup: Fully remote work with the option to use a WeWork membership for those who prefer occasional office access.
• Join our team: .

We're looking for a Senior Frontend Engineer to join our engineering team to work on a cutting-edge AI project for one of our existing clients. This is a standalone product, where you will build the UI and work alongside a cross functional team made up of Backend Engineers, AI Engineers, Delivery Managers and Product Designers.

• Translate visual designs into app components with extremely high fidelity.
• Deliver scalable, testable, maintainable, and high-quality code
• Share knowledge, evangelise standard methodologies, and collaborate and ability to develop and guide others
• You will configure the front end's continuous integration and code-quality tools. (GitHub Actions, GCP)
• Assume responsibility for the technical design and implementation of solutions to complex features.
• Collaborate with the backend team to design APIs (OpenAPI) to support front-end requirements.
• Partner with product and design teams to deliver a cohesive user experience
• Drive things forward and influence skills to promote ideas and plans
• Work in an environment that supports your individual growth by providing you with exciting work, the freedom to acquire new skills on hack days, reading groups, and a variety of internal training courses or external conferences

• You have 5+ years of experience in a relevant role, preferably in an Agile development environment and building medium/large-scale web applications
• You have strong fundamentals in JavaScript, TypeScript, React, HTML, and CSS
• Familiar with the latest trends and toolings (State management, React Query, Vite, Styled Component etc.)
• Familiarity with MonoRepo ecosystem and MicroFrontend
• You care about user experience and have experience collaborating with multi-functional partners (e.g. product, design, user research) to build responsive, intuitive applications.
• Passionate about code quality, continuous delivery, and automated testing.
• Familiar with component-based ecosystems. (design systems, Storybook, Figma
• Proficient with modern testing frameworks (e.g., cypress/playwright)
• You have an in-depth understanding of front-end architecture and performance experience optimisation.
• Experienced with git-based source control, CI/CD pipelines(like Github Actions) and containers
• You have excellent communication skills and can demonstrate your ideas, especially to those not technologically proficient.

Other Key Details:

• Outside IR35.
• Fully remote (UK based)
• 30 days work, covering 10 weeks and 5 sprints.
• 19th May start date