TMS International

Solutions Architect (.NET, React/Next.js, Azure & AI) | Hybrid | Long Term | 15+ years exp. | Local to CA

TMS International$150K — $180K *
Information Technology
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, Engineering, or a related field.
  • 5+ years of software engineering experience building enterprise applications.
  • Strong proficiency in React.js, Next.js, TypeScript, and JavaScript.
  • Extensive backend experience with C#, ASP.NET Core, .NET, Web API, and MVC frameworks.
  • Proven track record in designing Microsoft Azure cloud solutions and familiar with security architecture principles.

Responsibilities

  • Design, develop, and maintain modern web applications using Next.js, React, TypeScript, HTML, and CSS.
  • Build scalable backend services and APIs with C# and .NET technologies to support essential business workflows.
  • Create reusable UI components, shared libraries, and design systems to enhance development.
  • Develop and operate cloud-native solutions on Microsoft Azure, ensuring high availability and scalability.
  • Contribute to enterprise architecture decisions and implement microservices and event-driven architectures.
  • Build AI-native applications, integrating capabilities such as LLM API and prompt engineering into workflows.
  • Mentor engineering teams and collaborate with various departments to drive best practices in software development.

Benefits

  • Hybrid work model supporting flexibility between remote and on-site work.
  • Opportunity to work on cutting-edge AI and cloud technologies.
  • Long-term project engagement fostering stability and career growth.
  • Professional development opportunities through mentorship and collaboration.
Full Job Description
Job Description

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

Duration: Long Term

Location: Campbell, CA- Hybrid

15+ years of experience required.

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 Development
  • Design, 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
    • OpenTelemetry
    • Distributed 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 Router
    • Next.js Zones
    • Webpack Module Federation
    • Nx/Turborepo Monorepo environments
  • Define integration patterns supporting enterprise-scale workloads and cross-platform interoperability.

AI & Agentic Development
  • Design and build AI-native applications and workflows.
  • Implement AI-powered capabilities including:
    • Prompt Engineering
    • LLM API Integration
    • Retrieval-Augmented Generation (RAG)
    • AI-assisted business workflows
  • Leverage AI coding agents such as:
    • Claude Code
    • Codex
    • GitHub 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 2.0
    • RBAC (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 Qualifications
  • Bachelor's degree in Computer Science, Engineering, or related discipline.
  • 5+ years of professional software engineering experience building enterprise-grade applications.
  • Strong hands-on expertise in:
    • React.js
    • Next.js
    • TypeScript
    • JavaScript
  • Strong backend development experience with:
    • C#
    • ASP.NET Core
    • .NET
    • Web API
    • MVC Frameworks
  • Extensive experience designing and implementing Microsoft Azure cloud solutions.
  • Proven expertise with:
    • System Design
    • Design Patterns
    • Security Architecture
    • Scalable Distributed Systems
    • Performance Optimization
  • Experience working in highly regulated and compliance-driven environments.
  • Strong understanding of secure SDLC practices and software architecture principles.
  • Experience using AI-assisted development methodologies and agentic development workflows.
  • Demonstrated experience integrating AI capabilities into production applications.


Qualifications

Additional Information

About TMS International

TMS International is a provider of outsourced industrial services to steel mills around the world. The company was founded in 1926 and is headquartered in Pittsburgh, Pennsylvania. TMS International offers a range of services, including scrap management, raw material procurement, and slag handling and processing. The company has operations in North America, Europe, and Asia, and serves customers in the steel, aluminum, and other metals industries. TMS International is committed to sustainability and has implemented a number of initiatives to reduce its environmental impact, including the use of renewable energy sources and the development of new technologies to improve efficiency.
Learn more about TMS International
Size
4,000 employees
Industry
Founded
1926

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