Junior Frontend Engineer

About us Radiant Security is building the most advanced AI SOC platform, featuring unbounded alert triage, investigation, and response for security teams at scale. Our platform ingests alerts from across an organization's entire security stack (SIEM, EDR, identity, cloud) and uses AI to triage, investigate, and surface what actually matters. We're replacing alert fatigue with clear signal, so analysts can focus on real threats. We're a small, fast-moving team. We ship continuously, stay close to customers, and hold ourselves to a high standard. Our product touches the daily workflows of security teams, and decisions we make have a direct impact on how quickly threats get resolved. Join us and boost your career with hands-on AI experience. This is a hybrid position in Brazil  and we are attending the office 3 times a week, which  is located in Vila Olimpia, São Paulo. The Role We are looking for a Frontend Engineer with experience in TypeScript, CSS and modern  UI frameworks  to help us build our user interfaces. The ideal candidate is passionate about designing exceptional user experiences and is capable of working closely with product, design and backend teams to deliver seamless web applications. What you'll do Develop web-based user interfaces  in  TypeScript, React, Next.js and Tailwind CSS. Collaborate with the product and  design teams to ship user-friendly, aesthetically pleasing interfaces. Work closely with cross-functional teams to ensure consistency and alignment with backend and product requirements. Things we’re looking for Bachelor's Degree 2+ years of experience in frontend development with any modern UI frameworks. Proven track record of delivering  visually appealing and intuitive user interfaces. Experience working with  Design Systems  in Figma,  Typescript, CSS. Strong understanding of Web Platform Standards and frameworks Familiarity with Web Vitals and other  performance metrics. Familiarity  with frontend testing frameworks and tools (e.g., Jest, Cypress, Playwright). Excellent communication and collaboration skills Strong English Skills Benefits Health Insurance (Safety Wing) Stay Healthy subsidy (for gym and sports) Unlimited PTO (enjoy the holidays of your location) Parental leave Stock Options Offices: São Paulo, São Paulo, Brazil (São Paulo);