Senior Frontend Engineer
Cint
full-remoteseniorpermanentfrontend Full remote - London, GB 62 days ago via WTTJ
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Next.jsReact QueryTypeScriptTailwind CSSApp RouterPerformance OptimizationTestingOpenAPIAuthenticationLLM Tooling
About the role
Role Overview
Join Cint’s globally distributed team as a Senior Frontend Engineer. You will enhance the Cint Exchange Ordering platform, owning the buyer user experience and partnering with UX designers and product managers to deliver high-quality outcomes.
Responsibilities
- Own the user experience end-to-end, collaborating closely with UX and product.
- Develop and integrate new features on the Ordering platform.
- Optimize performance and ensure high-quality research answers.
- Improve existing codebases by identifying and addressing performance bottlenecks.
- Participate in design and code reviews to maintain engineering standards and best practices.
- Drive architectural improvements with a focus on security across systems, tools, and workflows.
- Research and evaluate new frontend technologies and improve frontend engineering practices.
Requirements
- Proficiency in Next.js 13+ (including App Router) and React Query, including data caching strategies and performance optimization.
- 3–5+ years of software development experience in fast-paced, complex environments.
- Strong UI engineering with TypeScript, including comprehensive typing for maintainability and reliability.
- CSS and Tailwind experience.
- Experience working with Figma and internal design systems.
- Ability to turn product documentation into feature epics and user stories, delivering from concept to reality.
- Technical writing/diagrams for brainstorming and cross-team alignment.
- Experience writing unit and integration tests (including API mocks).
- Ability to review OpenAPI specifications and provide feedback on API contract design.
- Familiarity with authentication/authorization services.
Nice to Have
- Cloud-native development, preferably on AWS.
- Data visualization with Highcharts or D3.js.
- Familiarity with LLM tooling (Skills, MCPs, agentic flows) and AI engineering workflows.
- Experience with: Vite, shadcn, Radix, Playwright, Auth0, OpenTelemetry (OTEL), Sentry, Terraform, and/or backend languages (Java, C#, Go, Python, Scala).
- Experience using LLM tools for tasks like code migration automation, structured data extraction, prompt evaluation, and context window management.
About Cint
Cint is a technology company that operates in the research data ecosystem, providing platforms for ordering and delivering high-quality research responses. It builds and evolves software products used by buyers and partners in a globally distributed environment.
Scraped 6/11/2026