Senior Software Engineer, Backend

RapidSOS is the leading public safety AI company that unlocks mission-critical intelligence for first responders and security teams. The Senior Software Engineer will build scalable and reliable backend systems that power the core engine of the B2B platform, ensuring high performance and resilience in critical moments.

Responsibilities:

• Drive the architecture, design, and implementation of new features, leveraging Python
• Lead strategic architectural decisions, help drive alignment, and optimize applications for performance, scalability, and accessibility
• Use best-in-class software development practices (unit tests, integration tests, performance tests, monitoring, detailed functional specification and test plans) to ensure RapidSOS' products remain highly reliable and fault tolerant
• Identify opportunities to assess and enhance current applications, including refactoring code and upgrading technologies used
• Collaborate in an agile environment with stakeholders across Engineering, Design, GTM, and Product to develop solutions for RapidSOS products
• Leverage modern AI development tools (Claude Code, Cursor or similar) to accelerate delivery and improve code quality
• 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

Requirements:

• 5+ years of professional backend experience with deep expertise in Python
• Strong experience building distributed, asynchronous, event-driven systems that support high-volume workloads using message bus technologies such as RabbitMQ, Kafka, SQS, etc
• Experience integrating with RESTful APIs and delivering comprehensive end-to-end solutions in an AWS environment
• Experience working with relational and non-relational databases
• 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
• Strong proficiency in coding best practices – ability to write clean, maintainable, and testable code
• Customer-centric mindset; cares deeply about delivering solutions that enable and delight customers while meeting product goals
• Demonstrated expertise in problem solving – from troubleshooting issues to debugging a large codebase
• Ability and willingness to collaborate in-person a few times per quarter, or as needed
• Ideally has experience building AI-driven features or using AI tools to enhance acceleration of development, and is proactive about leveraging emerging technologies
• Experience with telephony / VoIP / SIP
• Experience with websockets