Senior Software Engineer – Ruby on Rails, Sidekiq

Jobtailor; New York (NY); On-site; USD 120,000 - 170,000; Full time

Job summary

Jobtailor in New York is seeking a platform-focused backend engineer to build the platform API, own endpoints and extraction work, and ship internal tooling.

You will own subsystems end-to-end, including ingestion pipelines, sync reliability, and normalization, while improving CI and debugging production issues with a focus on data quality and observability.

Qualifications

• Current development skills with Ruby on Rails and Sidekiq on AWS, including ECS and Aurora PostgreSQL, with a TypeScript frontend.
• Backend fundamentals including queues, retries, transactions, and related failure modes.
• Deep SQL and relational data modeling skills, including checking query plans.
• End-to-end ownership of production systems, including on-call responsibilities.
• Patient, methodical debugging approach and comfort working in logs.
• Experience using coding agents and spec-driven development as part of AI-assisted development.

Responsibilities

• Build the platform API alongside the squad lead, owning endpoints, contracts, and extraction work
• Build internal tooling and frontends for vocabulary mapping, data quality, hospital onboarding, and operational views
• Own platform subsystems end to end, including ingestion pipelines, sync reliability, and normalization
• Perform framework and dependency upgrades, developer tooling, and CI improvements
• Diagnose loosely specified production problems and implement durable fixes
• Maintain correctness and observability as the platform gains new consumers
• Pair with the engineer who built the sync and normalization systems and take ownership of a production pipeline, including its on-call
• Ship platform API or internal tooling work and own a platform surface used by other teams

Skills

Ruby On Rails

Sidekiq

AWS

TypeScript Frontend

SQL

API Development

Data Quality

Relational Data Modeling

Ingestion Pipelines

Debugging

Production Systems Ownership

CI Improvements

Framework Upgrades

Transaction Management

Failure Mode Analysis

Tools

AWS ECS

Aurora PostgreSQL

Coding Agents

Spec-Driven Development

Job description

• Build the platform API alongside the squad lead, owning endpoints, contracts, and extraction work
• Build internal tooling and frontends for vocabulary mapping, data quality, hospital onboarding, and operational views
• Own platform subsystems end to end, including ingestion pipelines, sync reliability, and normalization
• Perform framework and dependency upgrades, developer tooling, and CI improvements
• Diagnose loosely specified production problems and implement durable fixes
• Maintain correctness and observability as the platform gains new consumers
• Pair with the engineer who built the sync and normalization systems and take ownership of a production pipeline, including its on-call
• Ship platform API or internal tooling work and own a platform surface used by other teams

Requirements

• Current development skills with Ruby on Rails and Sidekiq on AWS, including ECS and Aurora PostgreSQL, with a TypeScript frontend
• Backend fundamentals including queues, retries, transactions, and related failure modes
• Deep SQL and relational data modeling skills, including checking query plans
• End-to-end ownership of production systems, including on-call responsibilities
• Patient, methodical debugging approach and comfort working in logs
• Experience using coding agents and spec-driven development as part of AI-assisted development

Core Competencies

Demonstrates expertise in building and maintaining platform APIs and internal tooling, with a strong focus on end-to-end ownership of production systems and a methodical approach to debugging and problem-solving.

Highest-signal resume keywords

• Ruby On Rails
• Sidekiq
• AWS
• TypeScript Frontend
• SQL

ATS Optimization Keywords

Hard Skills

• API Development
• Data Quality
• Relational Data Modeling
• Ingestion Pipelines
• Debugging
• Production Systems Ownership
• CI Improvements
• Framework Upgrades
• Transaction Management
• Failure Mode Analysis

Soft Skills

• Patient Debugging
• Methodical Approach

Industry Keywords

• Operational Views
• Vocabulary Mapping
• Sync Reliability
• Observability

Tools & Technologies

• AWS ECS
• Aurora PostgreSQL
• Coding Agents
• Spec-Driven Development