Lead Software Engineer - Governance Team

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** Welcome to the Agentic Commerce Era**## At Commerce, our mission is to empower businesses to innovate, grow, and thrive with our open, AI-driven commerce ecosystem. As the parent company of , , and , we connect the tools and systems that power growth, enabling businesses to unlock the full potential of their data, deliver seamless and personalized experiences across every channel, and adapt swiftly to an ever-changing market.

Simply said, we help businesses confidently solve complex commerce challenges so they can build smarter, adapt faster, and grow on their own terms. If you want to be part of a team of bold builders, sharp thinkers, and technical trailblazers, working together to shape the future of commerce, this is the place for you.

Commerce, recognized as a "Best Place to Work" in 2026, is seeking a talented Lead Software Engineer to join our innovative Platform Governance Team! This is your chance to dive into the dynamic and rapidly expanding e-commerce industry, shaping the future of online business. This full-time position offers the flexibility of being fully remote within the United States.  Big Commerce, part of the Commerce brand family, helps merchants increase sales at every stage of their growth.

From small startups to mid-market businesses and large enterprises, we provide the leading e-commerce platform. Our customers can then concentrate on what's most important: growing their businesses. We enable our customers to build, innovate, and grow, collectively reshaping the e-commerce industry    About the Platform Governance Team & Your Role    The Platform Governance team plays a critical role in ensuring the stability, performance, and long-term health of the Commerce platform.

We focus on proactive measures, bottlenecks identification, tooling, and processes to maintain the integrity and scalability of our infrastructure and applications and platform in general. Our work directly impacts the experience of thousands of merchants and millions of shoppers worldwide.
We are seeking a highly motivated and skilled Lead Software Engineer with a strong focus on performance and scalability for platform governance and limits enforcement. In this role, you will be instrumental in designing, building, and deploying solutions to proactively manage and enforce platform limits, ensuring the long-term stability and fair use of resources.
Work Where You Thrive    We embrace a flexible work culture. This role is open to remote work across the US. For candidates based in the Austin, TX Metro area, this role follows a hybrid work model, required three days per week in the office to balance focused individual work and meaningful in-person collaboration.
What You’ll Do
* Collaborate and Advise:
You’ll work closely with engineering teams to understand system architecture, identify critical performance paths, and provide data-driven recommendations for improvements
* Enhance Methodologies:
You’ll contribute to the continuous improvement of load testing methodologies, tools, and best practices within the Platform Governance team
* Document and Communicate:
You’ll thoroughly document and explain test plans, results, and insights
* Optimize Performance:
You’ll drive the optimization of identified platform bottlenecks
* Enforce Limits:
You’ll create limit enforcement mechanisms for various platform entry points

Who You Are
* You have 7+ years of professional experience as a Software Engineer, with a history of contributing to successful software projects and a demonstrated ability to work effectively with a high degree of autonomy
* You have exceptionally strong problem-solving and debugging capabilities
* You have experience in the ecommerce domain, understanding store operations, catalog management, checkout flows, etc.
* You are proficient in PHP and at least Go or Scala programming languages, with a willingness to learn and work across all three
* You have experience with Open Telemetry, Prometheus, and ELK
* You are familiar with cloud platforms (e.g., Google Cloud Platform, AWS, Azure) and have experience with distributed systems and event-driven architectures
* You have experience with continuous…