Sergio Garcia Full stack developer

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AI Engineer · Automation Specialist

MSRA

Feb 2024 - Current (2 years 7 months)

Designed and developed LLM powered applications and agentic workflows using OpenAI and Claude APIs, including tool calling, multi step automation, document processing, code analysis, debugging support, technical documentation, and structured report generation. Built AI orchestration workflows with LangChain, LangGraph style architectures and integrated LLM capabilities into production engineering and automation systems. Managed production codebases, collaborated across multi-developer repositories, maintained clean commit histories, and integrated Git workflows with CI/CD pipelines. Led technical decisions and worked across complex multi-service applications, designing, building, testing, deploying, and maintaining production systems throug

PRINCIPAL SOFTWARE ENGINEER

Fidelity Investments

Jan 2022 - Jan 2023 (1 year 1 month)

Fidelity Investments hired me to work on a specific project focused on artificial intelligence to create better and faster content, allowing computers to do the monotonous tasks while humans focus on the creative and interesting details. Main responsibilities: • Help the team think about the best UX and UI strategies. • Creating prototypes with Figma and Adobe XD for web and mobile; • Creating and maintaining features using front-end modern stack: React with Typescript and integration test automation; Achievements: • Design a system that is easy to understand and use. • Creation of components using Storybook in order to make the project consistent and easy to maintain. Structure several internal systems comprising order entry/managemen

SR FRONTEND ENGINEER

Concentra Analytics

May 2019 - Dec 2021 (2 years 8 months)

Worked with UX designers and product managers to build the user interface of a complex data visualization application using TypeScript and React. Worked with other senior developers to improve code quality and maintainability of the product. Created coding guidelines outlining important programming principles and best practices to help teams work in large projects.

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SR SOFTWARE ENGINEER

STINE SEED

Feb 2017 - Mar 2019 (2 years 2 months)

Worked as a full-stack developer on a small team designing and developing applications in support of the research and sales operations at Stine Seed using technologies including HTML, CSS, JavaScript, Angular 7, D3.js, Elasticsearch, Webpack, Node.js, C#, ASP.NET, .NET Core and SQL Server. • Served as the lead user experience (UX) expert, designing and implementing UI in consultation with end users.

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CTO

Performance Digital Agency of WPP Group

Mar 2014 - Dec 2017 (3 years 10 months)

Led engineering team as CTO at digital design agency through its growth from boutique to formidable Madison Ave. digital force, culminating in a successful exit to WPP. Completed hundreds of projects for web, mobile, OTT/set-top box, motion graphics, game consoles, consumer electronic devices, digital signage/out-of-home, retail point-of-sale, and more.

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SENIOR DEVELOPER

Disarmista

Mar 2012 - Feb 2014 (2 years)

Created a configurable/scriptable engine for detecting security threats in workstations based on the behavior of processes across the system. Used inside a commercial corporate antivirus as a ransomware detector. Included the development of the kernel drivers. Created an engine for building snapshots of the state of a windows workstation (filesystem, registry, memory) and detecting security threats by checking hundred of IOCS (indicator of compromise).

SOFTWARE DEVELOPER

ASB BANK

Jan 2004 - Feb 2012 (8 years 2 months)

Initially, I collaborated with the new office banking project, wich carried out 17.4 million operations and moved the amount of NZ$ 23.1 million in the first 3 months of 2009, including derivative products (HOME BANKING, CALL AGENCIES CENTER, BANK TELE-SERVICE, REMOTE BANKING, ASB CELLULAR). TECHNOLOGIES: ASP.NET, VB.NET, C#.NET, ORACLE 91, HTML, ETC.

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.NET DEVELOPER

ASB Bank Financial Group

Mar 2001 - Dec 2003 (2 years 10 months)

Like a .Net developer I was working on a new version of the mortgage app for the bank. There were five web apps + written in ASP.NET. I was responsible for the frontend and backend solutions. Key technologies: : .NET 1 .1- 4.0, ASP.NET, C, JAVASCRIPT, HTML, CSS, SQL, XML, WEB SERVICES, IIS, SSIS, CRYSTAL REPORTS

Sergio Garcia

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