Solutions Architect (.NET, React/Next.js, Azure & AI)

Location: Campbell, CAWork mode: Hybrid

Duration: Long Term Contract

Position Overview: We are seeking a highly skilled and hands-on Solutions Architect to design, build, and operate secure, scalable, and AI-enabled products and integrations across Vialto's global technology platform. This role requires a strong engineering leader who can deliver end-to-end solutions across modern web applications, cloud-native services, and AI-powered workflows while contributing to architectural strategy and technical excellence. The ideal candidate will possess deep expertise in React/Next.js, C#/.NET, Microsoft Azure, distributed systems, security, and modern software architecture principles. This individual will leverage agentic development practices, including AI-assisted development tools such as Claude Code, Codex, and similar coding agents, to accelerate delivery while maintaining enterprise-grade quality, security, and compliance standards.

Key Responsibilities: Application DevelopmentDesign, develop, and maintain modern web applications using Next.js, React, TypeScript, HTML, and CSS.Build scalable backend services and APIs using C#, ASP.NET Core, Web API, and .NET technologies. Deliver secure and performant enterprise applications supporting payroll, tax, immigration, and other business-critical workflows. Design and implement reusable UI components, shared libraries, and design systems. Cloud & Platform Engineering Build and operate cloud-native solutions utilizing Microsoft Azure PaaS services. Implement secure deployment architectures, networking, identity management, and operational tooling. Develop and maintain highly available, fault-tolerant, and scalable cloud services. Establish observability using: Azure Application Insights OpenTelemetryDistributed tracing Structured logging Monitoring and alerting frameworks Architecture & Integration Contribute to enterprise architecture decisions and technical roadmaps. Design REST-based and event-driven integration architectures. Build scalable microservices and micro-frontend architectures. Architect and implement: Next.js App RouterNext.js Zones Webpack Module Federation Nx/Turborepo Monorepo environments Define integration patterns supporting enterprise-scale workloads and cross-platform interoperability. AI & Agentic DevelopmentDesign and build AI-native applications and workflows. Implement AI-powered capabilities including: Prompt EngineeringLLM API Integration Retrieval-Augmented Generation (RAG)AI-assisted business workflows Leverage AI coding agents such as: Claude CodeCodexGitHub Copilot Similar AI development tools Utilize spec-driven development methodologies to guide both human and AI-assisted implementation. Evaluate and operationalize AI models, APIs, orchestration frameworks, and toolchains. Security & Compliance Implement secure software development practices suitable for regulated environments. Design solutions incorporating: OAuth 2.0RBAC (Role-Based Access Control) Data Encryption at Rest and In Transit Privacy Controls Auditability Requirements Ensure compliance with enterprise security and governance standards.

Leadership & Collaboration: Mentor engineering teams through code reviews, pair programming, and technical coaching. Collaborate closely with Product, Business, Implementation, and Client-facing teams. Drive engineering best practices across development, testing, deployment, and operations. Required