RELX

Senior Software Engineer I - Ruby on Rails with Sidekiq

RELX
Apply
2 hours ago
Tokyo, JapanEntry Level

Base Salary

$87k - $144k/yr

Responsibilities

  • Build and own platform API endpoints, contracts, and extraction work.
  • Own ingestion pipelines, EHR synchronization, normalization, and related platform subsystems end to end.
  • Build internal tooling and frontends for vocabulary mapping, data quality, hospital onboarding, and operational visibility.
  • Maintain framework and dependency upgrades, developer tooling, and CI systems.
  • Diagnose loosely specified production and vendor issues and implement durable fixes.
  • Maintain correctness and observability as the platform gains new consumers.
  • Own a production pipeline, including its on-call responsibilities.
  • Ship a platform API or internal tooling feature and take ownership of a platform surface used by other teams.

Requirements

  • Current development skills with Ruby on Rails, Sidekiq, AWS, ECS, Aurora PostgreSQL, and TypeScript frontend development.
  • Strong backend fundamentals involving queues, retries, transactions, and their failure modes.
  • Deep SQL knowledge and relational data-modeling experience, including reviewing query plans.
  • Experience owning production systems end to end, including operational maintenance.
  • A patient, methodical debugging approach and comfort working in logs.
  • Experience using AI-assisted development, coding agents, and spec-driven development.

Benefits

  • U.S. National Base Pay Range: $86,600 - $144,400, with geographic differentials in some locations.
  • Eligible for an annual incentive bonus.
  • Country-specific benefits are available.
  • The role involves production on-call ownership and direct ownership of platform systems.
  • Elsevier provides a fair and accessible hiring process with accommodation support.

Tech Stack

AWSRubyRuby on RailsSQLTypeScript

Categories

RELX

About RELX

1,001-5,000 employees
Contact me