IT Solution Lead - Python .NET

** Who We Are*
* Applied Materials is the global leader in materials science and engineering solutions that are at the foundation of virtually every new semiconductor chip and advanced display in the world. The equipment that we create and service is essential to advancing AI and accelerating the commercialization of next-generation semiconductor chips. Join us and push the boundaries of materials science and engineering in a company at the foundation of the electronics industry.

The work we do together advances the world's technology.

** What We Offer*
* Salary:

$ - $

Location:

Santa Clara,CA

You'll benefit from a supportive work culture that encourages you to learn, develop, and grow your career as you take on challenges and drive innovative solutions for our customers. We empower our team to push the boundaries of what is possible-while learning every day in a supportive leading global company. Visit our Careers website to learn more.

At Applied Materials, we care about the health and wellbeing of our employees. We're committed to providing programs and support that encourage personal and professional growth and care for you at work, at home, or wherever you may go. Learn more about our benefits () .

Role Summary

Hands-on technical leader for enterprise applications across .NET, Python, and React. Owns architecture, incremental modernization of legacy systems, API and database engineering, and production reliability - while mentoring engineers and continuing to write code.

This is an  
** onsite
* * based position in Santa Clara, CA

Key Responsibilities

** Solution design & modernization*
* + Own architecture, design, and technical direction for a portfolio of DIA applications.

+ Translate business requirements into solution architecture, API contracts, data models, implementation plans, and testable acceptance criteria.

+ Lead incremental, risk-managed modernization of legacy .NET, Web Forms, Angular, and scheduled-job applications - retaining and modernizing .NET where it fits, moving to Python/FastAPI where it advances platform convergence.

+ Maintain backward compatibility and business continuity for consuming applications throughout.

** Hands-on delivery*
* + Build and review backend services in C#/ASP.NET/.NET Core and Python/FastAPI.

+ Build and review React/Type Script front ends.

+ Design secure, versioned, documented REST APIs and enterprise integrations.

+ Optimize performance via query tuning, indexing, caching, pagination, batching, and async processing.

** Production engineering*
* + Establish exception handling, structured logging, distributed tracing, metrics, dashboards, alerts, and health checks.

+ Lead root-cause analysis on critical incidents through documented closure and preventive action.

+ Diagnose issues across code, database, integration, infrastructure, and platform layers.

** Standards & governance*
* + Define and enforce engineering standards for architecture, coding, testing, security, observability, and production readiness.

+ Lead design, architecture, code, and release-readiness reviews.

+ Ensure compliance with security, privacy, access-control, and change-management requirements.

** Leadership & collaboration*
* + Lead multiple concurrent initiatives, balancing modernization, feature delivery, technical debt, and production support.

+ Partner with product owners, architects, QE, infrastructure, cybersecurity, and support teams; coordinate globally distributed Agile teams.

+ Mentor engineers; contribute reusable patterns, reference implementations, and accelerators.

+ Communicate decisions, dependencies, risks, and status clearly to engineering and senior leadership.

+ Use approved AI-assisted engineering tools within required security and engineering controls.

Qualifications

** Education**  - Bachelor's in Computer Science, Software Engineering, Information Systems, or related technical field. Equivalent experience considered per company policy. Cloud/technical certifications desirable.

** Experience**  - 6+ years in enterprise application development, architecture, integration, or modernization, including:

+ Full lifecycle ownership from requirements through production support.

+ Leading technical solutions spanning .NET, Python, React, REST APIs, SQL, and enterprise integrations.

+ Leading medium-to-large initiatives with multiple technical and business stakeholders.

+ Resolving complex production issues and driving preventive improvements.

+ Mentoring engineers while contributing directly to delivery.

+ Working with globally distributed Agile teams.

** Technical Requirements*
* ** Backend
* * C#, ASP.NET, .NET Framework/.NET Core, REST Web APIs;
Python with FastAPI or comparable

** Frontend
* * React, Type Script, JavaScript, HTML, CSS; working knowledge of Angular for legacy modernization

** Architecture
* * Enterprise application architecture, integration patterns, distributed systems, microservices, API-first design, event-driven integration, cloud-native patterns; design documentation (sequence diagrams, data-flow…