Senior Software Engineer (12‑Month Fixed Term Contract)Location: Limerick, IrelandOverviewSkillsource is supporting a leading global organisation in the medical technology sector in hiring a Senior Software Engineer for a 12‑month fixed‑term contract. The successful candidate will join a high‑performance engineering group developing an advanced informatics platform that integrates medical devices, services, and cloud‑connected systems.This role is suited to an experienced software engineer with deep technical capability across modern .NET development, strong architectural discipline, and hands‑on experience building high‑reliability software for regulated or safety‑critical environments. You will work within an international Agile setup and contribute across the full development lifecycle.Role PurposeAs a Senior Software Engineer, you will design, implement, test and maintain software components that interact across devices, services, and user‑facing applications. You will contribute to both feature development and architectural consistency, ensuring that all work aligns with business requirements and follows established engineering and quality‑management practices.Key ResponsibilitiesSoftware Design, Architecture & ImplementationDesign, implement, and integrate software components across services, devices, and user interfaces.Develop clean, maintainable, and efficient C#/.NET code, adhering to best engineering and architectural practices.Apply Clean Architecture principles across Domain, Application, Infrastructure, and UI layers.Build features using Redux‑based architecture (Redux.NET) including reducers, actions, effects, and immutable typed states.Develop and maintain state‑machine‑driven workflows using Stateless, managing retries, timeouts, long‑running tasks, and error handling.Build high‑performance Blazor (Server and/or WebAssembly) components with a focus on lifecycle control, rendering efficiency, and thread‑safety.Implement robust UI patterns such as routing, forms, virtualization, JS interop, and performance tuning.Technical Leadership & DocumentationEnsure architectural consistency and adherence to system‑wide design principles.Maintain clear, up‑to‑date technical documentation (architectural diagrams, state diagrams, contracts, deployment guides).Communicate complex technical topics effectively to non‑technical stakeholders.Identify technical risks, provide status updates, and propose mitigation strategies.Agile Development & CollaborationCollaborate with Product Owners and stakeholders to estimate work, define milestones, and plan deliverables.Contribute to Agile ceremonies and support continuous improvement of team practices.Participate in both development and sustaining engineering tasks.Testing & QualityEnsure high code quality through automated testing, including unit tests, integration tests, reducer/effects tests, and component testing (bUnit).Troubleshoot complex technical issues across the stack, driving root‑cause analysis and resilient solutions.Contribute to continuous improvement in tooling, automation, and engineering lifecycle processes.Technology Awareness & InnovationStay informed on emerging frameworks, patterns, and tools.Share insights with the team and help drive informed adoption of new technologies where beneficial.Candidate ProfileEssential Qualifications & ExperienceDegree in Computer Science or related discipline.5+ years of professional experience in modern software development.Advanced proficiency in C#/.NET, including asynchronous programming and thread‑safety patterns.Strong experience implementing Clean Architecture across all layers.Deep hands‑on experience with Blazor, including performance optimisation.Practical experience with Redux.NET architecture patterns.Experience building workflows using Stateless state machines.Strong background in ASP.NET Core, APIs, background services, streaming endpoints, and device‑facing protocols (e.g., gRPC, SignalR, serial/CAN/USB).Solid understanding of concurrency, synchronization primitives (SemaphoreSlim, AsyncLock, ReaderWriterLockSlim, etc.) and UI‑thread constraints.Experience developing SPA‑style front‑end applications.Strong test automation experience using xUnit, NUnit, Moq, or similar frameworks.Desirable Experience (Nice to Have)Working within Scrum and globally distributed teams..NET 8.0 experience.Multi‑threaded C# development.Offline‑first Blazor WebAssembly development.Event‑sourcing or audit‑friendly persistence patterns.REST and JSON‑based service design.Git / Azure DevOps workflows.Familiarity with established design patterns.Working ModelThis role is primarily on‑site, with a minimum expectation of four days per week in the office to support collaboration, problem‑solving, and alignment in a fast‑paced engineering environment. Remote or field‑based work arrangements may apply to different roles but are not applicable here.Contract DetailsType: Fixed Term ContractDuration: 12 monthsHours: Full‑timeTravel: OccasionalVisa Sponsorship: Not availableSecurity Clearance: Not requiredWhy Apply?This role offers a unique opportunity to contribute to high‑impact technology used in modern healthcare settings. Youll work with skilled international teams, develop cutting‑edge solutions, and have the opportunity to influence system architecture and engineering quality across the product.
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