React Jobs - December 2025

Roger Healthcare is building an AI clinical documentation platform for home health used across millions of patient encounters. Hiring Senior Backend Engineer to own and scale core services, build APIs and infrastructure around production LLMs, and improve obs…

BusbySim is a SysML v2 system safety platform helping engineers design safer aircraft and other safety-critical systems. We are early stage, already working with some of the UK's most interesting aerospace companies, and now looking for our first engineering …

Veridise performs security audits for smart contracts, zero-knowledge circuits, blockchain implementations and related off-chain services. Open roles: Frontend Engineer to develop and maintain a SaaS front-end for security and code-review tools (collaborative…

exnaton is a start-up spun out of ETH Zurich, which offers software for renewable energy to utility companies. Our AI billing software enables energy providers to set up energy communities and smart energy tariffs in their distribution areas. Users of our sof…

Topliner is an AI-powered platform for executive search. Role focuses on integrations (Loxo, Metaview, GetSales, Calendly), API design, background jobs and sync pipelines, auth flows, queue processing, caching, and React+TypeScript interfaces. Requires design…

Fast-growing, profitable proptech company in India building technology for construction and real estate. Mission to build high-quality homes and deliver on time. Engineers' code impacts supply chain, project management, and home-buying experience. Looking for…