Brian Williams

About

I'm a product-minded Full Stack, AI, and cloud engineer with production experience in a vast array of industries. My recent technical experience includes deploying fine-tuned LLM models, building custom trained ML pipelines, and working with vector databases. Experienced architecting and building full-stack systems from POC to production, developing AI-first chat applications using Azure OpenAI, LangChain, vector DBs, and chatbot tooling, and supporting production-grade cloud infrastructure on AWS and containerized dev workflows.

Experience

• Sr. Full Stack Engineer · MEMX Stock Exchange07-01-2025

  ● Maintaining and building full-stack features for the central User Portal suite of multiple exchanges. ● Creating enhancements to the developer experience by orchestrating devcontainers to manage a complex backend and data pipeline locally, improving productivity and and decreasing chances for bugs.

• Senior Full Stack Engineer · Invesco (Strategy & Innovation Planning Dept)03-01-2022 – 02-01-2025

  ● Part of the foundational team working with Azure OpenAI, LangChain, Vector DBs and other related tech to revamp Production internal chat application. Architected a ‘multi-bot’ approach for POC of a multi-functional chat/data-fetching app, later integrated with the LangChain framework. ● Building full-stack applications from POC to production to expand the company’s scope of business opportunities. ● Enhancing and maintaining applications built with Bitbucket Pipelines, React, NestJS, ECS/EKS, Google Dialogflow, and more. ● Engage in dialogues & user interviews with business teams across the organization to pinpoint areas where workflow and productivity can be enhanced by new technology. ● Architected the migration of functionality from a legacy chat application using Google Dialogflow to the new chatbot, essentially replacing 3 years worth of functionality in a matter of weeks with Langchain Tooling capabilities.

• Full Stack Engineer · Carrier (Digital Foundry)06-01-2021 – 03-01-2022

  ● Developed IoT applications utilizing GraphQL/Apollo Gateway, AWS Neptune (along with the standard AWS serverless backend suite), React Typescript, the Serverless Framework, CircleCI, and more. ● Introduced Devcontainers to the company to enhance onboarding and workflow for a multi-OS team spread across multiple countries

• Software Engineer · Comcast08-01-2019 – 06-01-2021

  ● Part of a hybrid Kanban/Scrum cross-team developer coalition making various front-end, backend, and devops/architectural contributions to a critical set of the organization’s major customer and agent-facing applications. ● Duties include configuring application infrastructure, managing/optimizing AWS architecture of an application servicing 1 of 3 US regions, developing stakeholder frontend feature requests, and standard devops activities. ● Architect/developer of a production API consumed by 7 major clients using APIGW, Lambda, Terraform, ELK Stack, Concourse, Vault, and more.

• Technical Mentor - Computer Science · Lambda School04-01-2019 – 07-01-2019

  ● Managed student groups of 5-8 students during courses using Python and C to teach Data Structures, Algorithms, and Computer Architecture.

• Contractor (Business Development) · Independent Contract Consulting06-01-2016 – 08-01-2018

  ● Business & product development for a handful of foreign SMEs seeking to enter the U.S. market. ● Developed a summer internship program for a Chinese import/export company meant for university students at San Diego State University

Education

• Lambda SchoolFull Stack Web Development (Intensive 9-month Computer Science & Software Engineering Academy), Full Stack Web Development
• Pepperdine UniversityInternational Management, International Management
• Shanghai UniversityIntermediate to Advanced Chinese, Intermediate to Advanced Chinese

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