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

Coupa makes margins multiply through its community-generated AI and industry-leading total spend management platform for businesses large and small. Coupa AI is informed by trillions of dollars of direct and indirect spend data across a global network of 10M+ buyers and suppliers. We empower you with the ability to predict, prescribe, and automate smarter, more profitable business decisions to improve operating margins.

Why join Coupa? 🔹 Pioneering Technology: At Coupa, we're at the forefront of innovation, leveraging the latest technology to empower our customers with greater efficiency and visibility in their spend.

🔹 Collaborative Culture: We value collaboration and teamwork, and our culture is driven by transparency, openness, and a shared commitment to excellence.

🔹 Global Impact: Join a company where your work has a global, measurable impact on our clients, the business, and each other.

Learn more on Life at Coupa blog and hear from our employees about their experiences working at Coupa.

The Impact of a Sr. Lead Software Engineer - React at Coupa: As a Sr. Lead Full Stack Software Engineer at Coupa, you will be the technical anchor for the user interface of one of our core business domains. You will split your time between hands-on high-level UI system design and coding, coordinating front-end strategies across a pod of developers, and ensuring seamless integration with underlying microservices and AI-driven capabilities.

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

At Coupa, we are 100% committed to creating and nurturing an environment that supports your physical, mental, and community well-being . We offer a comprehensive suite of benefits designed to help you and your family thrive:

Global Well-Being Perks (For All Employees Globally)

• 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

Please note: In addition to these global well-being perks, Coupa offers highly competitive, location-specific benefits packages (which include comprehensive medical/dental insurance, retirement/pension plans, and life or accident protection) tailored to your primary work location. Your recruiter will walk you through the specific regional benefits package for this role during the interview process. Coupa complies with relevant laws and regulations regarding equal opportunity and offers a welcoming and inclusive work environment. Decisions related to hiring, compensation, training, or evaluating performance are made fairly, and we provide equal employment opportunities to all qualified candidates and employees.

Please be advised that inquiries or resumes from recruiters will not be accepted.

By submitting your application, you acknowledge that you have read Coupa’s Privacy Policy and understand that Coupa receives/collects your application, including your personal data, for the purposes of managing Coupa's ongoing recruitment and placement activities, including for employment purposes in the event of a successful application and for notification of future job opportunities if you did not succeed the first time. You will find more details about how your application is processed, the purposes of processing, and how long we retain your application in our Privacy Policy.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.