Senior Technology Lead

Scale Army

Role Overview

The Senior Technology Lead is a hands-on Ruby on Rails engineer responsible for owning complex data models and overall system architecture within a Rails monolith. This role leads design decisions for how business domains map into tables, relationships, background jobs, and services, while actively contributing code and mentoring a small team.

A core focus of this role is designing and evolving the domain model that supports intakes and patient journeys, carts and checkouts, orders and subscriptions, and pharmacy and telehealth integrations. You will ensure the platform s data model and architecture remain coherent, scalable, and maintainable as product complexity and transaction volume increase.

Key Responsibilities Data Modeling & Architecture Leadership

• Lead data modeling and system architecture decisions across the platform.
• Design tables, relationships, constraints, and schemas for new domains.
• Evolve existing production schemas safely without breaking critical flows.
• Maintain a clear, well-documented, and consistent data model.
• Structure data to support analytics, reporting, and future product features.
• Balance speed, safety, and long-term maintainability in architectural decisions.

End-to-End Feature Ownership

• Own the delivery of complex features within the Rails monolith.
• Build and maintain intakes, eligibility flows, and clinical and operational workflows.
• Develop carts, checkouts, discounts, subscriptions, and renewal logic.
• Own order lifecycles including refunds, retries, and payment reconciliation.

Full-Stack Development

• Work across Rails models, controllers, views, and background jobs.
• Use Hotwire (Turbo and Stimulus) to deliver modern, server-driven UX.
• Implement targeted React components where they provide clear value in the dashboard.

Leadership & Mentorship

• Mentor mid-level engineers and future junior developers.
• Review code with a strong emphasis on data modeling, architecture, and maintainability.
• Set and enforce patterns and standards for models, services, and modules.

Product & Stakeholder Collaboration

• Work directly with product partners and founders to translate business requirements into technical designs.
• Break work into coherent projects and ClickUp tasks.
• Clearly communicate trade-offs and propose pragmatic technical solutions.

Production Readiness & Operations

• Design and execute safe, reversible database migrations.
• Own background job architecture, Solid Queue usage, and operational resilience.
• Contribute to observability and monitoring using Grafana and related tooling.