RAINBOW · 1 day ago
Senior Backend Engineer
San Francisco, CA
Full-time
Hybrid
Senior Level
5+ years expRainbow is a fully digital insurance company focused on small businesses, experiencing significant growth since its founding in 2022. The Senior Backend Engineer will contribute to backend systems, optimize performance, and collaborate with cross-functional teams to deliver solutions that meet customer needs.
ConsultingFinanceInsuranceSmall and Medium Businesses
Responsibilities
Build Core Services: Contribute to backend systems that power quoting, underwriting, claims, and policy management—focusing on scalability, maintainability, and resilience
Drive Performance & Reliability: Optimize performance-critical services, ensure system reliability, and contribute to infrastructure that supports high availability and security
Improve Developer Productivity: Build and maintain internal platforms, tooling, and CI/CD pipelines that enable teams to deploy, test, and operate services efficiently
Work Across Teams: Collaborate closely with product and insurance teams to deliver end-to-end solutions that meet real customer and business needs
Build With Quality: Write well-structured, well-tested code, and help maintain a strong engineering culture of code quality, testing, and documentation
Mentor & Guide: Provide technical guidance and mentorship to teammates, fostering best practices and helping level up the backend discipline
Tackle Business Complexity: Break down complex insurance logic into elegant technical solutions, working closely with stakeholders to turn ambiguity into clarity
Drive Reliability & Availability: Own system performance, uptime, and fault tolerance through resilient architectures, capacity planning, and proactive incident prevention
Qualification
Required
5+ years of backend development experience
Built and maintained robust database systems in production
Strong system design skills
Ability to design services that are scalable, resilient, and easy to reason about in a distributed environment
Clear communication and effective collaboration with cross-functional teams
Prioritize test coverage, maintainability, and thoughtful refactoring over quick hacks
Experience working on systems that have scaled in production environments
Contribute to backend systems that power quoting, underwriting, claims, and policy management
Optimize performance-critical services and ensure system reliability
Build and maintain internal platforms, tooling, and CI/CD pipelines
Collaborate closely with product and insurance teams
Write well-structured, well-tested code
Provide technical guidance and mentorship to teammates
Break down complex insurance logic into elegant technical solutions
Own system performance, uptime, and fault tolerance
Preferred
Knowledge of Go or similar language
Experience with Postgres
Experience with AWS
Company
RAINBOW
Rainbow offers insurance to small enterprises, beginning with eateries.
11-50 employees
H1B Sponsorship
RAINBOW has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2022 (1)
Funding
Current Stage
Early StageTotal Funding
$20MKey Investors
Zigg Capital
2025-01-15Series A· $8M
2024-01-10Seed· $12M
Leadership Team
Bobby Touran
Co-Founder
Recent News
Business Wire
2025-11-13
2025-07-10
Company data provided by crunchbase