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Banyan Infrastructure · 1 month ago

AI Engineer (Mid-Senior Level)

San Francisco Bay Area

Full-time

Hybrid

Mid, Senior Level

$180K/yr - $215K/yr

Banyan Infrastructure is a dynamic fintech company focused on financing the renewable infrastructure revolution through innovative software solutions. The AI Engineer will design and implement AI-powered services, collaborate with a small team to enhance automation initiatives, and integrate with various APIs to support the company's mission in green finance.

CleanTechComplianceFinTechInfrastructureSoftware

No H1B

Responsibilities

Design and implement AI-powered services using modern paradigms like Model Context Protocol (MCP), Retrieval-Augmented Generation (RAG), Reasoning and Acting (ReAct), and agentic frameworks to automate complex financial analysis and due diligence workflows

Develop secure, scalable, and maintainable APIs (primarily Python; Java experience also valued)

Collaborate closely with the existing two-person AI pod to explore, prototype, and productize AI solutions

Integrate with LLM APIs (OpenAI, Gemini) and vector databases to enhance automation initiatives

Partner cross-functionally with Product, Customer Success, and Sales teams to identify opportunities for AI assistance and build AI expertise across the company

Advocate for and apply healthy coding practices and Agile methodologies

Participate actively in code reviews, pair programming, and knowledge development to implement new code and debug existing systems

Provide 2nd tier production support and proactively identify ways to improve our systems

Build financial and cleantech subject matter expertise and stay abreast of new AI technologies and industry trends to inform engineering decisions

Qualification

PythonLLMsREST APIsJavaAWSPostgresAgile methodologiesCollaborative problem solvingCuriosityMentoring

Required

Strong programming experience in Python or Java; comfort in learning the other

Demonstrated experience with LLMs, AI APIs, or applied ML workflows

Solid understanding of REST APIs, testing frameworks, and cloud deployment (AWS preferred)

Provide thought leadership that challenges existing processes and delivers clear, structured decision-making frameworks to evaluate implementation tradeoffs

Curiosity, pragmatism, and ability to move from prototype to production

Clear communicator who enjoys solving problems collaboratively

Genuine enthusiasm for Banyan's mission and a willingness to help and mentor other team members

Bachelor's degree required