Senior Software Engineer

Senior Software Engineer | O'Fallon, MO, United States | On-site | $115,000 - $184,000 USD We're hiring on behalf of a global technology leader that powers economies and empowers people across 200+ countries and territories worldwide. This organization is at the forefront of creating a sustainable economy where everyone can prosper, facilitating secure, simple, smart, and accessible digital payment choices. The Role • Act as a hands-on Rule Author with deep experience in Fraud Rules Engines. • Drive implementation best practices with a strong capability in writing and improving rule quality. • Follow solution architectural designs, ensuring alignment with business needs and technical capabilities. • Utilize programming languages such as Java, Python, or Go for platform development and enhancements. • Serve as a force multiplier for automation and platform enhancements within the AI & DPE organization. • Modernize platforms related to Fraud Rules/Engines and manage large-scale migrations. What You'll Need • Proven hands-on software development experience with familiarity in DevOps best practices. • Experience with Fraud Rule Engines and successful large-scale migration projects. • Working knowledge across multiple programming languages and frameworks, with an interest in declarative and functional programming. • Strong communication, collaboration, and organizational skills, with the ability to build relationships. • Demonstrated track record with AI technologies, including Gen AI and LLMs, relevant to fraud rules. • Experience with relational and NoSQL databases, and understanding of loosely coupled, stateless systems. What's On Offer • Opportunity to work on scalable global platforms with high throughput and low latency. • A competitive salary range of $115,000 - $184,000 USD. • Comprehensive benefits package including insurance, retirement plans, and paid time off. • Exposure to cutting-edge AI technologies and a commitment to continuous learning and development. Apply via Haystack today!