Senior Backend Engineer

**Description** We’re looking for a Senior Backend Engineer to lead development on the backend of our analytics dashboard. You will develop an understanding of the business logic that powers our Attribution component, quickly becoming comfortable with maintaining, augmenting, and debugging issues on our Ruby app, the functionality of which you will also help migrate to Golang over time. You’ll help to design, build, and maintain Ruby/Rails APIs, background jobs, and database schemas that power data\-rich React components and interfaces. You’ll work closely with product managers, designers, front\-end developers, and infrastructure to rapidly push new features from ideation to production. This is a hands\-on role with plenty of scope to influence architecture, user experience, and coding standards. While we’re targeting senior engineers, we’re open to strong mid\-level candidates who demonstrate leadership, ownership, and a passion for full\-stack craftsmanship. **Team, Culture, and Product** We're a small engineering team looking to grow. We're a remote\-only organization with most of the engineering team working from US timezones. We aim to help mobile app developers make data\-driven decisions about their marketing in a secure, privacy\-centric, user\-friendly way. We encourage flexibility in working locations and hours but also make sure we all overlap at least briefly for a bit each day. **Responsibilities** * Lead major architecture and software design decisions * Develop and maintain background jobs (Sidekiq) and employ caching to keep dashboards snappy under load * Own CI/CD pipelines and deployments (GitHub Actions, Docker, Kubernetes/ECS), ensuring that releases are automated, reliable, and fast * Collaborate closely with designers, product managers, and front\-end developers to create user\-friendly and visually appealing interfaces * Write clear and maintainable documentation * Ensure test coverage for new and existing features * Employ feature flags to support trunk\-based development workflows * Adhere to and enforce code style guidelines and best practices * Profile, debug, and optimize performance issues in production and staging environments **Requirements** * Deep expertise in Ruby (typically 5\+ years) * Familiarity with Rails * Experience with Golang * Experience working with high\-volume data ingestion and real\-time analytics at scale * Experience building and consuming REST APIs * Familiarity with Git and hosting platforms like GitHub * Excellent organization and communication skills * An appetite for learning, problem\-solving, and contributing to a dynamic team environment **Nice\-to\-haves** * Experience with AWS, Kubernetes, and Docker * Experience with PostgreSQL, DynamoDB, Kafka * Experience with mobile app development or mobile marketing * Experience building data\-intensive user workflows \- customizable tables, charts, etc * Experience working with in\-house style guides **Benefits** * Annual budget for learning and personal development (conferences, books, classes, etc) * Budget for fitness and well\-being activities (gym memberships, fitness equipment) * Unlimited vacation days and a vacation stipend to make sure you take time off (we recommend at least 20 days off per year) * Team off\-sites and other get\-togethers * Health Care Plan (Medical, Dental \& Vision) * Family Leave (Maternity, Paternity)