Principal Software Engineer-Fullstack-CoreAI
Microsoft Redmond, WA Full-time 3/31/2026
Undergraduate with 5+ Years of ExperienceMaster's with 2+ Years of Experience
Approval 98.4%•Total filings 6,363•New hires 3,142•
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•FY 2025Job Description
Join Microsoft Foundry as a Principal Full Stack Software Engineer focused on UI, where you'll help create powerful agent-building experiences for developers and enterprises. This role involves leveraging modern AI-assisted development practices to shape the end-to-end experience of a platform integrating cutting-edge LLMs.
Requirements
- Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
- 6+ years of experience in platform or front-end development using multiple languages and frameworks, including JavaScript, TypeScript, and React.
- Deep understanding of modern front-end technologies such as NextJS / Remix, SSR, Web Components, and performance optimization techniques.
- Demonstrated proficiency with AI-assisted software development tools and workflows.
- Experience working on large-scale, UI-intensive product development.
- Passion for machine learning, artificial intelligence, and data science.
Responsibilities
- Leverage modern AI-assisted development practices and tooling to accelerate delivery while maintaining high code quality.
- Architect full stack solutions that span from user experience through to backend data and service layers.
- Develop software using languages such as TypeScript, JavaScript, React, and others.
- Design, develop, and maintain backend services and APIs that support agentic workflows and platform capabilities.
- Collaborate with partner teams to comprehend, define, enhance, and develop AzureML capabilities.
- Respond, resolve, and integrate customer feedback with agility and dedication.
- Lead by example, adhering to best engineering practices, raising the quality bar, and improving the team's response to customer incidents.
Benefits
- Employees at Microsoft are often offered comprehensive, “world-class” benefits—including health and mental-wellness programs, competitive pay with bonuses and stock awards, and retirement/savings options. Time-off and flexibility are common, with generous vacation and holidays, parental and caregiver leave, and flexible work schedules, alongside learning support, employee resource groups, product discounts, and matching-gifts/volunteering programs. Specific benefits can vary by region.
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