Software Engineer

Summary

Ethos is a leading life insurance technology company on a mission to protect families by democratizing access to life insurance. As a Software Engineer, you'll work across the stack to build scalable platform services and systems, collaborating with other engineers to develop and ship key features.

Responsibilities

• Design, build and maintain complex fullstack systems
• Collaborate with other engineers, PMs and non-technical stakeholders to develop and ship features
• Design, build, and maintain our API’s
• Find and solve performance issues
• Participate in code reviews
• Communicate best practices to the team
• Write engineering requirements documents

Skills

• 2-5 years of relevant experience in a software engineering role
• Full stack engineering experience in Javascript, Typescript, Node or Python
• Experienced with software engineering best practices – design patterns, code reviews, unit and integration testing, etc
• Ability to communicate technical specifications both verbal and written
• Understanding of security, common attacks and defenses
• Command over front-end web technologies such as HTML, CSS and React
• Familiar with optimizing Core Web Vitals and loading speed performance
• Experience building complex architecture systems from the ground up, experience with backend architectural patterns of large, high-scale web applications
• Ability to design clean APIs and understanding of performance issues
• Knowledge of build systems configurations and setup - such as Webpack
• Experience with infrastructure, distributed systems, and deploying apps into a high-scale environment with integrated logging and monitoring technologies
• Solid CS fundamentals – including data structures and algorithms
• Preferably located in San Francisco or willing to relocate
• Experience shipping features behind an A/B testing or feature flag platform, such as Optimizely
• Expert at leveraging agentic coding tools (e.g., Claude Code, Cursor, Copilot) to accelerate development workflows and improve engineering productivity
• Knowledge of mobile first responsive styling methodologies
• Experience working with third-party lifecycle communication infrastructure, including platforms like Iterable, Twilio, Salesforce, and Regal, to orchestrate multi-channel customer engagement

Qualifications

Must Haves

• 2-5 years of relevant experience in a software engineering role
• Full stack engineering experience in Javascript, Typescript, Node or Python
• Experienced with software engineering best practices – design patterns, code reviews, unit and integration testing, etc
• Ability to communicate technical specifications both verbal and written
• Understanding of security, common attacks and defenses
• Command over front-end web technologies such as HTML, CSS and React
• Familiar with optimizing Core Web Vitals and loading speed performance
• Experience building complex architecture systems from the ground up, experience with backend architectural patterns of large, high-scale web applications
• Ability to design clean APIs and understanding of performance issues
• Knowledge of build systems configurations and setup - such as Webpack
• Experience with infrastructure, distributed systems, and deploying apps into a high-scale environment with integrated logging and monitoring technologies
• Solid CS fundamentals – including data structures and algorithms

Nice to Haves

• Preferably located in San Francisco or willing to relocate
• Experience shipping features behind an A/B testing or feature flag platform, such as Optimizely
• Expert at leveraging agentic coding tools (e.g., Claude Code, Cursor, Copilot) to accelerate development workflows and improve engineering productivity
• Knowledge of mobile first responsive styling methodologies
• Experience working with third-party lifecycle communication infrastructure, including platforms like Iterable, Twilio, Salesforce, and Regal, to orchestrate multi-channel customer engagement