Sr Lead Software Engineer - Full Stack (.NET with React)(12+ years) - 11787

What You’ll Do:

• Domain Ownership: Architect and lead the front-end development of one or more major platform areas of Coupa’s globally scaling SaaS products.
• Architectural Strategy: Define front-end standards, drive solution-wide code formatting standards, and lead complex initiatives such as micro-frontend architectures or platform-wide framework migrations.
• Collaboration & Delivery: Partner with Product, UX/UI Design (Clarity Design System team), and Enterprise Architecture teams to build end-to-end features that resolve complex financial spend issues with intuitive user experiences.
• Process Improvement: Continuously seek opportunities to optimize performance, simplify existing component hierarchies, and enhance automated testing and deployment pipelines.
• Customer Advocacy: Partner with customer support to quickly debug and resolve escalated, complex client-facing UI/performance issues.

What You Will Bring to Coupa:

• Experience: 12+ years of overall software engineering experience, with 1-2 years of complex module design experience.
• Core Technical Skills:
• Advanced mastery of the modern JavaScript ecosystem, specifically React 18+, TypeScript, and Next.js/SSR concepts.
• Proven experience designing and maintaining large-scale, reusable component libraries and enterprise design systems.
• Deep understanding of web security (XSS, CSRF, CSP), accessibility (WCAG) standards, and cross-browser compatibility.
• Experience with performance profiling, memory leak diagnosis, and front-end observability tracking at scale.
• Backend & AI: Advanced .NET Core proficiency with practical experience designing/integrating LLMs and modern AI ecosystems .
• Architecture: Proven success managing massive, multi-tenant web applications, background job queues, and asynchronous messaging platforms .
• Database Mastery: Advanced data modeling across SQL and NoSQL database layers .
• Discipline: Passion for Test-Driven Development (TDD) and enterprise testing practices.
• Leadership Qualities: Strong ability to make technical decisions with minimal direction and guide a globally distributed team in an agile ecosyste

• Global Wellness Days: Enjoy two designated, company-wide paid wellness days off each year (typically the first Friday in March and the last Friday in September) so the entire global team can unplug, step away, and recharge together .
• Birthday Time-Off: Celebrate your day! Coupa provides a paid day off on your birthday or another day of your choice within your birthday month .
• Volunteer Time Off (VTO): Giving back is in our DNA. We offer 40 hours of paid VTO annually to support the community initiatives and volunteer programs you are passionate about .
• Employee Assistance Program (EAP): Access free, confidential, 24/7/365 counseling and resources for emotional support, work-life solutions, financial advice, legal guidance, and support for new parents .
• Business Travel Protection: Travel with peace of mind. Zurich Travel Assist provides medical, safety, pre-trip planning, and emergency support during any business travel .
• Referral Bonus Program: Share the Coupa experience! Receive generous monetary referral bonuses when you successfully refer talented friends or acquaintances who are hired into open roles .