Senior Backend Developer

We're seeking a **Senior Backend Engineer** to join our App Experience team, where you'll play a critical role in building and maintaining the core services and infrastructure that power the platform. You'll work on our core backend systems that power our security platform, ensuring our customers can rely on fast, accurate, and always available security intelligence. **Responsibilities** * Architect and develop scalable backend services, APIs, and data processing systems in collaboration with the Product and Platform teams * Support production systems through incident response, troubleshooting, and break\-fix activities to maintain service reliability and customer trust * Build and extend solutions with observability in mind to ensure service level agreements with our customers are met * Reliably deliver backend features and services on AWS using Infrastructure as Code, CI/CD pipelines, and modern service delivery practices * Mentor junior engineers and drive technical decisions that influence the App Experience team’s architecture and development practices * Participate in a 24/7 on call rotation approximately 1 week per month as needed **Requirements:** **Tech Stack:** * Languages: Kotlin, Rust. TypeScript, and Python * Deployments: GitHub Actions, Terraform, Terragrunt, and Helm * Infrastructure: AWS (Kinesis, Serverless, RDS, EKS), Kubernetes, Docker, PostgreSQL **Minimum Qualification** * 7\+ years of software engineering experience with at least 3 years in senior roles * Strong system design skills and experience with distributed, high\-scale applications * Ability to learn new technologies quickly and work in agile environments **Backend:** * Strong experience with Java or Kotlin and Spring Boot * Experience designing and implementing GraphQL and REST APIs * Strong proficiency with relational databases, SQL, data modeling, query tuning * Experience building full\-stack applications in microservice architectures **Infrastructure:** * Experience with modern cloud services and cloud\-native development * Experience with containerization using Docker and deploying applications to Kubernetes * Experience with CI/CD pipelines and modern development workflows * Experience using monitoring tools to measure and alert on performance and reliability issues **Preferred Qualifications:** * Strong experience with AWS * Hands\-on experience with Terraform for infrastructure as code * Background in security technology or enterprise software * Experience with observability tools and performance optimization * Startup experience and/or early stage SaaS experience