Location: Galway, Ireland (Hybrid options)Reports to: Engineering ManagerOverviewOneTouch is seeking a senior PHP software engineer to build and modernize customer-critical capabilities in the OneTouch platform by incrementally migrating legacy PHP into well-structured Laravel services, improving reliability, performance, and maintainability in a multi-tenant environment. In addition, this role will be responsible for feature development and working as a lead developer for a full stack scrum team focused on specific platform functions.Key ResponsibilitiesDeliver features in Laravel while progressively extracting/rewriting legacy PHP into modular components.Refactor legacy code: introduce clear boundaries, reusable domain modules, and consistent patterns.Improve data access: reduce over-fetching, optimize slow queries, and safely work around/through legacy schemas and stored procedures.Strengthen multi-tenant safety: enforce tenant isolation, permissions, auditability, and secure defaults.Raise engineering quality: tests where it matters (unit/integration), code reviews, CI discipline, pragmatic documentation.Partner with product, QA, and ops to ship predictably and reduce incidents/regressions.Qualifications & ExperienceStrong PHP and Laravel experience (real production delivery).Practical experience modernising legacy systems (strangler pattern, incremental refactor, migrations without “big bang” rewrites).Solid SQL skills (performance tuning, query plans, indexes basics, working with ugly schemas).Testing mindset and ability to improve quality without slowing delivery.Clear communicator; comfortable working in a PE-backed, outcome-driven environment.Experience with multi-tenant SaaS patterns and data partitioning strategies.Observability mindset (logging, metrics, tracing) and production debugging.API design (REST), auth patterns (OAuth/JWT), and background jobs/queues.AWS experience (or similar cloud), containerisation, CI/CD familiarity.BenefitsHigh-impact role in a PE-backed healthcare SaaS businessWork on software that directly improves care quality and safetyCompetitive compensationPension, health insurance, income protection
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