Job description

MX is a fintech company on a mission to empower the world to be financially strong. We build technology that helps banks, credit unions, and fintechs deliver smarter, more intuitive financial experiences to millions of people. Like many startups, we’ve navigated real growth challenges — and we’ve come out stronger on the other side. Today, MX is in a phase of renewed momentum and scale, with a solid foundation and a clear vision for what’s next. This is a place where thoughtful execution matters, innovation is encouraged, and individuals have real ownership over their work. Our culture values curiosity, accountability, and impact. We give people the space to question assumptions, design better solutions, and help shape how the company grows. If you’re looking to do meaningful work, influence outcomes, and grow alongside a company that’s ready to move fast, you’ll feel at home at MX. Basic Qualifications 8+ years of experience with software development in one or more programming languages with data structures or algorithms, preferred. 5+ years of experience testing, maintaining, or launching software products Has proven experience designing automated test and evaluation harnesses for LLMs, ensuring performance benchmarking, regression testing, and data quality across AI-driven features. Has hands-on experience designing stateful AI graphs and orchestrating complex, multi-step LLM chains to parse, enrich, and process structured and unstructured data. Has deep experience with large-scale cloud architecture (AWS/GCP), including microservices, serverless patterns, CI/CD automation, and high-availability design for enterprise SaaS products. Has experience bridging R&D innovation with production engineering, converting experimental AI graph models into production-ready cloud services with enterprise-grade security and observability. Preferred Qualifications 3 years of experience with software design and architecture. MX is proudly committed to recruiting and retaining a diverse and inclusive workforce. As an Equal Opportunity Employer, we never discriminate based on race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, military or veteran status, status as an individual with a disability, or other applicable legally protected characteristics. We particularly welcome applications from veterans and military spouses. All your information will be kept confidential according to EEO guidelines. You may request reasonable accommodations by sending an email to hr@mx.com.

Requirements

Must-haves

5+ years of experience testing, maintaining, or launching software products
Has proven experience designing automated test and evaluation harnesses for LLMs, ensuring performance benchmarking, regression testing, and data quality across AI-driven features.
Has hands-on experience designing stateful AI graphs and orchestrating complex, multi-step LLM chains to parse, enrich, and process structured and unstructured data.
Has deep experience with large-scale cloud architecture (AWS/GCP), including microservices, serverless patterns, CI/CD automation, and high-availability design for enterprise SaaS products.
Has experience bridging R&D innovation with production engineering, converting experimental AI graph models into production-ready cloud services with enterprise-grade security and observability.
3 years of experience with software design and architecture.

Nice-to-haves

8+ years of experience with software development in one or more programming languages with data structures or algorithms, preferred.

Application prep

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Keywords to mirror

aillmawsgcpci/cd

Platform: greenhouse
Effort: quick

Benefits

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