Senior Software Engineer, Frontend

Summary

Join RapidSOS, an intelligent safety company, as a Senior Software Engineer, Frontend. You will build intuitive and robust user interfaces for our React-based application, RapidSOS UNITE, which handles hundreds of thousands of emergency calls daily. This role involves leading architectural decisions, collaborating with cross-functional teams, and ensuring high-performing, scalable, and accessible interfaces. You will leverage cutting-edge technologies to make a tangible impact in public safety. The ideal candidate possesses extensive frontend development experience with React/Redux, strong communication skills, and a passion for user experience. RapidSOS offers a competitive salary, benefits, equity participation, and a dynamic work environment.

Requirements

• 5+ years of professional engineering experience with 3+ years of developing rich, interactive, scalable frontend applications with React/Redux
• Experience with modern CSS frameworks and libraries such as Styled Components
• Experience integrating with RESTful APIs
• Strong communication and interpersonal skills; is a team player with a positive attitude
• Highly self-motivated; ability to adapt and learn quickly in a fast-paced environment with a strong sense of ownership
• Cares deeply about the user experience and is able to quickly identify the optimal visual strategies to meet both product and design goals
• Strong proficiency in coding best practices – ability to write clean, maintainable, and testable code
• Demonstrated expertise in problem solving – troubleshooting issues and debugging a large codebase
• Ability and willingness to collaborate in-person quarterly, or as needed

Responsibilities

• Drive the architecture, design, and implementation of new features for RapidSOS UNITE—a React-based application that handles an average of 400,000 emergency calls daily
• Lead strategic architectural decisions, help drive alignment, and optimize applications for performance, scalability, and accessibility
• Engineer dynamic, responsive user interfaces for public safety systems that integrate aesthetics with intuitive, user-centric interactions
• Collaborate closely with Product Designers to deliver exceptional user experiences while ensuring technical feasibility of UI/UX designs
• Identify opportunities to assess and enhance current applications, including refactoring code and upgrading technologies used
• Collaborate in an agile environment with stakeholders across Engineering, Public Safety, Design, and Product to develop frontend solutions for RapidSOS products
• Actively participate in code reviews and standups, sharing knowledge, championing best practices, and contributing to the continuous improvement of team processes
• Own meaningful parts of our platform, have an impact, grow with the company

Preferred Qualifications

• Experience integrating with WebSocket APIs for real-time data streaming
• Experience working with a Map UI provider such as Google Maps or ESRI
• Familiarity with TypeScript
• Experience with a JavaScript testing tool (We use Jest, Playwrite, and React testing library at RapidSOS but any testing library experience would be helpful!)
• Understanding of JavaScript security best practices
• Familiarity with design handoff tools like Figma

Benefits

• Competitive salary and benefits and equity participation
• A dynamic, flexible and fun start-up work environment with a highly talented team