Sr. Software Engineer (.NET, Microservices, React.js

Accelerate your career. Join the organization that's driving the world's technology and shape the future. Ingram Micro is a leading technology company for the global information technology ecosystem. With the ability to reach nearly 90% of the global population, we play a vital role in the worldwide IT sales channel, bringing products and services from technology manufacturers and cloud providers to business-to-business technology experts.

Our market reach, diverse solutions and services portfolio, and digital platform Ingram Micro Xvantage set us apart. Learn more at  Come join our team where you’ll make technology happen in surprising ways. Let’s shape tomorrow - it’ll be a fun journey!

This position is based in our Irvine, California corporate headquarters with the opportunity to work a few days remotely per week. Ingram Micro is seeking Sr. Software Engineer with strong hands‑on experience in .NET Core, Microservices, and React.js to design, develop, and deliver high‑quality enterprise applications.

The candidate will work closely with global teams, including technical leads, architects, product owners, and other engineering teams to implement scalable solutions, resolve complex technical challenges, and ensure timely delivery of assigned features and technical deliverables. The ideal candidate for this role is someone who can:
Understand Requirements → Develop the Solution → Write Quality Code → Test & Troubleshoot → Collaborate with the Team → Deliver Production-Ready Features. The candidate should demonstrate strong technical depth, ownership, problem‑solving ability, and a commitment to delivering high-quality, scalable, and maintainable software. The role offers a hybrid schedule with 3 days a week in our Irvine, California office and 2 days a week remote.

• Design, develop, test, and maintain applications using C# / .NET Core / ASP.NET Core.
• Develop and maintain scalable Microservices and REST APIs.
• Build responsive and maintainable user interfaces using React.js.
• Implement integrations with internal and external systems using appropriate API and messaging patterns.
• Translate technical requirements and solution designs into high-quality, production‑ready code.
• Participate in technical design discussions and provide inputs on implementation approaches.
• Develop reusable, maintainable, and well‑tested components following established coding standards and design patterns.
• Perform code reviews, identify potential issues, and contribute to improving code quality.
• Troubleshoot and resolve application defects, performance issues, and production incidents.
• Write unit and integration tests and ensure adequate test coverage.
• Work closely with QA, Dev Ops, Product, and other engineering teams to deliver features on schedule.
• Identify technical risks and dependencies related to assigned work and proactively communicate them to the Technical Lead.
• Contribute to continuous improvement of development practices, tools, and processes.
• Support application deployment, monitoring, and production troubleshooting when required.

• Bachelor's degree in computer science, or relevant science and math disciplines with an IT emphasis is required.
• 5+ years of software development experience with strong hands‑on experience in enterprise application development.
• Strong hands‑on expertise in C# / .NET Core / ASP.NET Core.
• Good experience developing Microservices and REST APIs.
• Strong hands‑on experience with React.js.
• Good understanding of Object-Oriented Programming, SOLID principles, and design patterns.
• Strong understanding of SQL and relational databases.
• Experience with API integration and distributed application development.
• Experience with unit testing, debugging, and performance…