Lumin Digital
financial services
SeniorSoftwareEngineerforAI
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“Senior Software Engineer for AI at Lumin Digital. Skills: AI-powered features design and build, LLM and AI API integration, prompt engineering, TypeScript/Node.js development, microservices architecture, cloud infrastructure. Design and build AI-powered features across Lumin's digital banking platform. Integrate LLMs and AI APIs into production systems”
What You'll Achieve.
design, build, and ship AI-powered features that directly impact our platform and our clients' members; deliver end-to-end AI features
Industry & Context.
critically evaluate AI outputs
Minimal travel, generally 12 days or less per year, ~2X team get togethers a year
What They're Looking For.
Must Have
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, Experience with microservices architecture, Experience with cloud infrastructure (AWS preferred), Demonstrated ability to critically evaluate AI-generated outputs — knowing when to trust, verify, and push back, written and verbal communication ability to explain complex AI concepts to non-technical stakeholders
Nice to Have
Knowledge of financial services regulations, Awareness of fintech regulatory requirements (SOC 2, data privacy, etc.)
What You'll Do.
Design and build AI-powered features across Lumin's digital banking platform
Integrate LLMs and AI APIs into production systems
Evaluate AI outputs critically
Contribute to Lumin's internal AI knowledge base
Champion security and compliance in AI feature development
Evaluate and recommend new AI tools and frameworks
How You'll Work.
Team & Collaboration
Collaborate closely with product, engineering, security, and data teams; Collaborate cross-functionally with product managers, designers, QE engineers, and other engineering teams; documenting patterns, best practices, and learnings for the broader engineering organization
Communication Scope
written and verbal communication ability to explain complex AI concepts to non-technical stakeholders
Full Job Description
## Description We are looking for a Senior Software Engineer for AI to join our engineering team. In this role, you will design, build, and ship AI-powered features that directly impact our platform and our clients' members. You'll collaborate closely with product, engineering, security, and data teams to integrate large language models and other AI/ML capabilities into Lumin's core products and developer tooling. Essential Functions and Responsibilities: Design and build AI-powered features across Lumin's digital banking platform, including natural language interfaces, intelligent assistants, and automated workflows Integrate LLMs and AI APIs (Anthropic Claude, OpenAI, etc.) 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 engineering teams to deliver end-to-end AI features Contribute to Lumin's internal AI knowledge base, documenting patterns, best practices, and learnings for the broader engineering organization Champion security and compliance in AI feature development, with awareness of fintech regulatory requirements (SOC 2, data privacy, etc.) Conduct and participate in code reviews, raising the technical bar for AI-related work across the organization Evaluate and recommend new AI tools and frameworks as the ecosystem evolves, helping Lumin stay at the forefront of applied AI in financial services Position Specifications Education: Bachelor's degree in Computer Science or 5 years equivalent experience 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 Exp
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