Senior Backend Engineer

Description
Were 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
Were a small engineering team looking to grow. Were 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 practicesProfile, 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)

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