Engineering Excellence
Great products are built by great engineering. Our technical philosophy emphasizes reliability, performance, and maintainability at every level of our stack.
Our Engineering Philosophy
These principles guide how we architect, build, and maintain software that millions of developers rely on every day.
Code Quality is Non-Negotiable
We write code as if the person maintaining it is a violent psychopath who knows where we live. Clean, readable, and well-tested code isn't optional—it's essential.
- 90%+ test coverage across all services
- Mandatory code reviews for all changes
- Automated linting and formatting
Performance is a Feature
Every millisecond matters when you're processing millions of emails. We optimize relentlessly and measure everything to ensure peak performance at scale.
- Sub-100ms API response times
- Horizontal scaling by design
- Continuous performance monitoring
Built for 99.9% Uptime
Email infrastructure can't go down. We architect for resilience with redundancy, graceful degradation, and automatic failover at every layer.
- Multi-region deployment
- Automatic failover mechanisms
- 24/7 monitoring and alerting
Our Technology Stack
We choose technologies based on their ability to scale, their community support, and their alignment with our engineering values.
Modern Languages
TypeScript for type safety, Go for performance-critical services, and Rust for systems-level components where every microsecond counts.
Battle-Tested Databases
PostgreSQL for relational data, Redis for caching, and ClickHouse for analytics. Each database chosen for its specific strengths.
Cloud-Native Architecture
Kubernetes for orchestration, Docker for containerization, and Terraform for infrastructure as code. Built to scale globally.
Observability First
Prometheus for metrics, Grafana for visualization, and distributed tracing to understand system behavior at every level.
Security by Default
Zero-trust networking, encrypted everything, and automated security scanning in our CI/CD pipeline. Security isn't optional.
Developer Experience
Modern tooling, automated testing, and fast feedback loops. We optimize for developer productivity and happiness.
Join Our Engineering Team
We're always looking for talented engineers who share our passion for building exceptional software. Come help us shape the future of email infrastructure.