Job Title: Senior Backend Engineer Company Name: Tenjin Job Details: $125k-$225k/yrRemoteFull,Time Job Url: https://hiring.cafe/viewjob/6k4pbaj1ca8izhvz Job Description: Posted 3d agoSenior Backend Engineer@ TenjinView All JobsWebsiteSan Francisco, California, United States$125k-$225k/yrRemoteFull TimeResponsibilities:Lead architecture, Develop jobs, Own pipelinesRequirements Summary:Senior backend engineer with 5+ years Ruby/Rails, Golang, REST APIs, and data analytics experience; strong collaboration, CI/CD, and performance tuning.Technical Tools Mentioned:Ruby, Rails, Golang, Sidekiq, REST APIs, Git, GitHub, Docker, Kubernetes, AWS, PostgreSQL, DynamoDB, Kafka, React DescriptionWe’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 ProductWe'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.ResponsibilitiesLead major architecture and software design decisionsDevelop and maintain background jobs (Sidekiq) and employ caching to keep dashboards snappy under loadOwn CI/CD pipelines and deployments (GitHub Actions, Docker, Kubernetes/ECS), ensuring that releases are automated, reliable, and fastCollaborate closely with designers, product managers, and front-end developers to create user-friendly and visually appealing interfacesWrite clear and maintainable documentationEnsure test coverage for new and existing featuresEmploy feature flags to support trunk-based development workflowsAdhere to and enforce code style guidelines and best practicesProfile, debug, and optimize performance issues in production and staging environmentsRequirementsDeep expertise in Ruby (typically 5+ years)Familiarity with RailsExperience with GolangExperience working with high-volume data ingestion and real-time analytics at scaleExperience building and consuming REST APIsFamiliarity with Git and hosting platforms like GitHubExcellent organization and communication skillsAn appetite for learning, problem-solving, and contributing to a dynamic team environmentNice-to-havesExperience with AWS, Kubernetes, and DockerExperience with PostgreSQL, DynamoDB, KafkaExperience with mobile app development or mobile marketingExperience building data-intensive user workflows - customizable tables, charts, etcExperience working with in-house style guidesBenefitsAnnual 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-togethersHealth Care Plan (Medical, Dental & Vision)Family Leave (Maternity, Paternity)