AI Security Engineer

Blockchain Technologies. LLC; Sunnyvale (CA); On-site; USD 120,000 - 150,000; Full time

Job summary

A leading technology company is seeking a highly skilled Specialty Software Engineer to support a greenfield AI project at Wells Fargo. The ideal candidate will have extensive experience in AI/ML, Python, and either Java or C#. In this pivotal role, you will help build the Model Context Protocol to ensure compliance and performance expectations are met. You will work closely with internal teams to optimize AI models and contribute to the entire software development lifecycle. This position offers the opportunity to work on cutting-edge AI technologies in a collaborative environment.

Qualifications

• 5+ years of experience in Specialty Software Engineering or equivalent.
• Strong development experience in Python and either Java or .NET (C#).
• Hands-on experience with large language models (LLMs) such as Gemini or ChatGPT.

Responsibilities

• Design and develop the Model Context Protocol (MCP) framework from scratch.
• Build and integrate AI/ML agents that translate queries.
• Implement secure, policy-aligned prompt engineering.

Skills

AI/ML expertise

Python development

Java or C# proficiency

Prompt engineering

Complex pipeline development

Education

5+ years in Specialty Software Engineering or equivalent

Tools

Python

Java

.NET (C#)

Job description

Overview

We are seeking a highly skilled and forward-thinking Specialty Software Engineer with deep expertise in AI/ML, Python, and large language models (LLMs) to support a greenfield project at Wells Fargo. The selected candidate will play a key role in building the Model Context Protocol (MCP) from the ground up, ensuring LLMs and AI agents align with internal policies, compliance requirements, and performance expectations.

This is a 100% AI-focused role that demands hands-on development in Python, Java or C#, strong familiarity with prompt engineering, and experience in building complex AI/ML pipelines and IDE integrations.

Candidates needs to have

• 5+ years of experience in Specialty Software Engineering or equivalent (e.g., consulting, military, or formal education).
• Strong development experience in Python and either Java or .NET (C#).
• Hands-on experience with AI/ML systems, including large language models (LLMs) such as Gemini or ChatGPT.
• Experience building AI agents, MCP components, and complex AI/ML pipelines.
• Familiarity with prompt engineering, including response handling and query customization.
• Expertise in software development best practices, including version control, testing, and secure coding.
• Strong understanding of performance optimization and compliance integration in AI systems.
• Experience working within regulated enterprise environments, with an emphasis on policy compliance.

Preferred Skills (Bonus)

• SDLC experience across both traditional and AI development lifecycles.
• Familiarity with internal controls, data privacy policies, and enterprise-grade LLM tuning.
• Experience collaborating across cross-functional teams including AI researchers, platform engineers, and compliance personnel.

Job Description

• Design and develop the Model Context Protocol (MCP) framework from scratch to ensure prompt responses from LLMs comply with Wells Fargo standards.
• Build and integrate AI/ML agents that translate queries and interact seamlessly with internal knowledge repositories.
• Implement secure, policy-aligned prompt engineering and pre-processing logic to customize LLM inputs/outputs to enterprise expectations.
• Collaborate closely with the internal AI team and key stakeholders to align architecture and development with business requirements.
• Optimize AI models for responsiveness, reliability, and performance in a secure enterprise environment.
• Develop and maintain IDE extensions and integrations supporting AI-based development workflows.
• Contribute to design and execution across the entire SDLC, including code remediation, testing, deployment, and support.

BLOCKCHAIN TECHNOLOGIES LLC is an equal opportunity employer inclusive of female, minority, disability and veterans, (M/F/D/V). Hiring, promotion, transfer, compensation, benefits, discipline, termination and all other employment decisions are made without regard to race, color, religion, sex, sexual orientation, gender identity, age, disability, national origin, citizenship/immigration status, veteran status or any other protected status. BLOCKCHAIN TECHNOLOGIES LLC will not make any posting or employment decision that does not comply with applicable laws relating to labor and employment, equal opportunity, employment eligibility requirements or related matters. Nor will BLOCKCHAIN TECHNOLOGIES LLC require in a posting or otherwise U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract