Senior Software Engineer for AI

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)

Demonstrated ability to critically evaluate AI-generated outputs — knowing when to trust, verify, and push back

Strong written and verbal communication skills; ability to explain complex AI concepts to non-technical stakeholders

Minimal, generally 12 days or less per year, ~2X team get togethers a year

Lumin Digital is a trailblazer in digital banking solutions, driven by a unique approach to technology, service, and people. We empower credit unions and banks by creating cutting-edge digital experiences that continuously serve, engage, and grow their membership base — and as a 100% cloud-native company, we're purpose-built to unlock the full advantages of the cloud for financial institutions and their users.

At Lumin, we thrive on curiosity and innovation. Our culture is built on trust in our expertise and decisions, respect for diverse perspectives and talents, and boldness in pursuing new ideas. These values shape a workplace where collaboration thrives, ideas flourish, and new possibilities are discovered every day. We encourage our team to explore, experiment, and challenge the status quo — because continuous improvement isn't just a goal, it's how we operate.