Senior Software Engineer, AI-Driven Modernization

Flex; Milpitas (CA); On-site; USD 140,000 - 190,000; Full time

Job summary

Flex is seeking a Senior Software Engineer in Milpitas, CA to lead modernization of our custom application landscape. You will analyze legacy systems, identify consolidation opportunities, and rebuild critical apps using modern cloud-native architectures and AI-powered tools.

The role emphasizes reducing technical debt, increasing development velocity, and delivering scalable, maintainable software across the enterprise.

Qualifications

• Bachelor's degree in computer science, Software Engineering, or related field.
• 8+ years of software engineering experience.
• Proven experience modernizing legacy applications and reducing technical debt.
• Strong knowledge of object-oriented design, software architecture patterns, API development, and enterprise application development.

Responsibilities

• Analyze existing custom applications, integrations, and legacy codebases.
• Create application inventories and dependency maps.
• Identify opportunities to consolidate redundant applications, eliminate debt, reduce maintenance costs, and improve scalability.
• Develop modernization roadmaps and migration strategies.
• Collaborate with cybersecurity, infrastructure, and business teams to ensure architecture compliance.

Skills

C#

Java

Python

JavaScript/TypeScript

Education

Bachelor's degree in computer science

Tools

Azure

AWS

Google Cloud

Job description

Flex is seeking a Senior Software Engineer in Milpitas, CA to lead modernization of our custom application landscape. You will analyze legacy systems, identify consolidation opportunities, and rebuild critical apps using modern cloud-native architectures and AI-powered tools.

The role emphasizes reducing technical debt, increasing development velocity, and delivering scalable, maintainable software across the enterprise.