Ruby on Rails Tech Lead

Luce (Headquarters: Singapore)

Ruby on Rails Rails Ruby Postgres GraphQL REST API Redis Docker CircleCI New Relic Sentry Tech Lead Backend CI/CD Testing RSpec VCR Digital Ocean Mentorship Back End Engineer Management

Company: Luce is a tech-enabled services platform based in Singapore, recognized by the Financial Times as one of Asia-Pacific's Fastest Growing Companies 2025. Our software helps clients manage services like home cleaning and babysitting, handling over 500,000 jobs yearly for our 700+ ground staff. Our engineering culture focuses on execution, excellence, continuous improvement, and clear communication.

Role: We are looking for a Tech Lead to join us in our Indonesian (Jakarta, Batam) or the Philippines (Manila) office to take ownership over two core Ruby on Rails applications.

Responsibilities:
*   Take ownership over two Rails applications core to our business.
*   Evolve these apps, make key technical decisions, and keep the codebase well maintained.
*   Participate in the full software lifecycle: discovery, technical design, scoping with Product Managers, prototyping, implementation, code review, testing, rollout, and performance maintenance.
*   Serve as the go-to expert for backend technologies (Ruby on Rails, Postgres, Redis).
*   Lead, mentor, and teach more junior colleagues.
*   Troubleshoot and debug issues as they arise.
*   Influence technical direction and help people around you grow.

Requirements:
*   5+ years of experience designing, developing, testing, and delivering production applications using Ruby on Rails.
*   Demonstrated experience with Ruby on Rails, databases (e.g., Postgres), and GraphQL / REST APIs.
*   Solid understanding of monitoring best practices and experience with tools like New Relic, Grafana, or Datadog.
*   Opinionated views on software testing (unit, integration, E2E) and experience with RSpec, VCR.
*   Experience with setting up and maintaining CI/CD pipelines (e.g., CircleCI) and knowledge of Docker.
*   Comfortable taking ownership of all phases of software engineering.
*   Track record of influencing technical direction and examples of helping people grow (internally or externally via conferences, writing).

Tech Stack:
*   Backend: Ruby (3.2), Ruby on Rails (7+), Redis, Postgres
*   Architecture: Monoliths (component/domain-based), Interactor pattern
*   Testing: RSpec, VCR
*   Monitoring: New Relic, Sentry
*   Cloud/Infra: Digital Ocean, Docker
*   CI/CD & Workflow: CircleCI, GitHub, Trunk-Based Development

Ideal Candidate: An experienced Rails engineer who values technical excellence, clear communication, continuous learning, and mentorship. Has a pragmatic approach to building software and maintaining systems.