Senior Full-stack Software Engineer
Johnson Controls International plc2 months ago
Cork, IrelandSenior
Responsibilities
- Design, build, and maintain production-grade full-stack web applications with responsive and accessible user experiences.
- Develop component-based front ends using C#, Razor/Blazor, CSS, JavaScript, and React, and build back-end services using C#, .NET, and Python.
- Design application boundaries, API contracts, and integration patterns across front ends, AI services, data stores, and enterprise platforms.
- Integrate applications with Azure OpenAI, Azure AI Foundry, AI Search, vector stores, enterprise APIs, and agentic workflows.
- Build conversational AI, enterprise search, document intelligence, summarization, recommendation, and AI-assisted workflow experiences.
- Implement authentication, authorization, validation, auditability, secure configuration, prompt and output safeguards, access controls, and graceful fallbacks.
- Create unit, component, integration, contract, and end-to-end tests for standard and AI-enabled user journeys.
- Build and maintain CI/CD pipelines in Azure DevOps and deploy containerized applications to Azure services including App Service, Azure Functions, Azure Container Apps, and AKS.
- Instrument applications with logs, metrics, traces, and usage telemetry; diagnose production issues and participate in incident response and root-cause analysis.
- Provide technical direction through solution design, architecture discussions, code reviews, trade-off decisions, mentoring, and reusable engineering patterns.
Requirements
- Bachelor’s degree in Computer Science, Software Engineering, or a related discipline, or equivalent practical experience.
- At least 5 years of professional software engineering experience with senior-level ownership of production applications.
- Strong hands-on experience with C#, Razor/Blazor, CSS, JavaScript, React, and C#/.NET back-end services.
- Production experience with Razor/Blazor component design, state management, CSS styling, JavaScript interoperability, and front-end testing.
- Experience designing and consuming APIs and integrating front ends with distributed back-end services.
- Hands-on experience delivering AI-enabled applications involving generative AI, LLMs, RAG, conversational AI, document intelligence, or agent-based solutions.
- Experience with Azure-hosted applications and automated delivery using Git and CI/CD pipelines.
- Experience taking software from design through deployment and operational support in an enterprise environment.
- Experience creating automation and test tooling with TypeScript, PowerShell, and C#.
- Preferred experience with Microsoft Agent Framework, Semantic Kernel, LangChain, LangGraph, Azure AI Foundry, Azure AI Search, Azure ML, Cosmos DB, Redis, PostgreSQL, pgvector, SignalR, Server-Sent Events, or WebSockets.
- Knowledge of OAuth 2.0, OpenID Connect, Microsoft Entra ID, role-based access control, enterprise API security, accessible interfaces, design systems, infrastructure as code, Kubernetes, API Management, LLM evaluation, prompt/version management, tracing, cost controls, Responsible AI, privacy, and AI governance.
- Experience in IoT, smart buildings, industrial applications, or other operational technology domains is desirable.
Benefits
- Cork-based hybrid role requiring attendance in the office three days per week.
- Candidates outside Cork or the surrounding area are expected to relocate.
Tech Stack
Categories
About Johnson Controls International plc
Johnson Controls International plc builds and services building automation, HVAC (York), fire detection/suppression, security, and industrial refrigeration systems for commercial, institutional, and industrial facilities. The NYSE-listed company, headquartered in Cork, Ireland, traces its roots to 1885 and expanded via a 2016 merger with Tyco. It sells equipment, software, and lifecycle services to sectors such as data centers, healthcare, education, and advanced manufacturing, with a global installed base and service footprint.