Senior Software Engineer (Product)

About the role

Join Stora’s product‑led engineering team as a Senior Software Engineer. You’ll work with a small group of Rubyists on a majestic monolith, taking ownership of complex features from concept through deployment while shaping architecture and mentoring peers.

Key responsibilities

• Lead the design and development of complex features from concept to production.
• Collaborate with product and stakeholders to define scope, refine requirements and meet business goals.
• Make sound architectural decisions to keep the Rails app maintainable, performant and scalable.
• Allocate at least 20% of time to improve stability, performance and developer experience.
• Maintain a strong automated test suite for multiple daily deployments.
• Proactively monitor, investigate and resolve production issues.
• Mentor and support engineers through code reviews, pairing and knowledge sharing.

Required profile

• Proven track record designing, building and scaling production Rails applications.
• Strong command of Rails fundamentals (ActiveRecord, background jobs, request/response cycle).
• Experience architecting maintainable systems that balance speed of delivery with long‑term sustainability.
• Comfortable working across the stack, including frontend technologies (JavaScript, CSS).
• Skilled at using modern LLM‑powered tools while exercising sound technical judgement.
• Strong testing mindset with hands‑on experience in Minitest or RSpec.
• Confident debugging and resolving complex production issues.
• Effective mentor and clear communicator of technical challenges and trade‑offs.

Required skills

• Ruby on Rails (Rails 8)
• PostgreSQL, Redis, Sidekiq, TimescaleDB
• Turbo, React, ViewComponents, Sass, BEM
• JavaScript, CSS
• Minitest, Capybara, Playwright
• Stripe Connect, GitHub Actions, Heroku

What we offer

• Competitive annual salary starting from £75,000 (DOE).
• Remote work option – fully remote within the UK or EU.
• Office access in Belfast for local employees.
• Private health insurance for you and your family.
• Company pension plan and 35 days paid annual leave.
• L&D support, share options, WFH budget and company‑wide social events.