Senior Software Engineer – AI

🕒 May 19

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Lumin Digital

WebsiteLinkedInAll Job Openings

51 - 200 employees

💳 Fintech

🤝 B2B

☁️ SaaS

Fintech • B2B • SaaS

Lumin Digital is a company that specializes in providing next-generation digital banking solutions for credit unions and banks. Their platform offers a wide array of services, including retail and commercial banking solutions, digital account opening, and tools to enhance user engagement and operational efficiency. With a focus on innovation and cutting-edge technology, Lumin Digital leverages artificial intelligence and robust security features to offer seamless, cloud-native services with near-perfect uptime. They are known for delivering business growth and cost savings for financial institutions, adapting to new technologies, and offering an enhanced user experience.

📋 Description

• Design and build AI-powered features across Lumin's digital banking platform • Integrate LLMs and AI APIs into production systems with robust prompt engineering, output validation, and safety guardrails • Evaluate AI outputs critically, ensuring accuracy, reliability, and compliance with financial services regulations • Collaborate cross-functionally with product managers, designers, QE engineers, and other teams to deliver end-to-end AI features • Champion security and compliance in AI feature development • Conduct and participate in code reviews, raising the technical bar for AI-related work

🎯 Requirements

• Bachelor's degree in Computer Science or 5 years equivalent experience • 5+ years of professional software engineering experience • 1–2+ years of hands-on experience with AI/ML integration or LLM-based product development • Proficiency with LLM APIs such as Anthropic Claude or OpenAI, including prompt engineering and tool/function calling • Proficiency in TypeScript/Node.js • Experience with RESTful APIs, microservices architecture, and cloud infrastructure (AWS preferred) • Strong written and verbal communication skills; ability to explain complex AI concepts to non-technical stakeholders

🏖️ Benefits

• Equal opportunity employer • Encouragement for continuous improvement and innovation