Senior Frontend Software Engineer - Commercial Marketplace

About the role

Microsoft's Commercial Marketplace team is looking for a senior frontend engineer to shape the customer‑facing experience of Azure Marketplace. You will own the design, development, and delivery of large‑scale web features that help millions of users discover, evaluate, and purchase solutions.

Key responsibilities

• Lead end‑to‑end design, development, testing, and deployment of complex, customer‑facing features.
• Define and drive frontend architecture decisions, including component structure, state management, modularity, performance, and maintainability.
• Collaborate with product management, design, and backend teams to translate ambiguous requirements into shipped experiences.
• Integrate AI tooling into daily development workflows.
• Diagnose and resolve defects and performance bottlenecks using telemetry and real‑customer signals.
• Raise engineering standards across the team through testing strategy, code health, reliability, and review quality.
• Mentor engineers and provide constructive feedback during code and design reviews.

Required profile

• Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience.
• 6+ years of professional software engineering experience.
• 6+ years of hands‑on experience building production web applications with React.js or a comparable modern framework (Angular, Vue).
• Proven track record delivering advanced features from technical design through production.
• Experience using AI tooling as an integral part of the development workflow.

Required skills

• React.js (or Angular, Vue)
• JavaScript/TypeScript (implied by framework usage)
• Frontend architecture, component design, state management
• Performance optimization for large‑scale applications
• Testing frameworks: Jest, React Testing Library, Playwright
• AI tooling integration

What we offer

• Opportunity to impact a high‑visibility product used by millions.
• Work within a team where AI is an everyday engineering tool.
• Access to Microsoft’s cloud ecosystem and resources.