EXPLORAR

Gestión de Bases de Datos JavaScript PHP Python Arquitectura de software
 Foto de portada de perfil
Avatar del usuario

Hercules S.

@Herculesz

verified-v2.svg
5,0
24

7,9

7,9

100%

Principal AI Engineer & Full Stack Engineer

$80 USD / hora

Bandera de

United States (8:35 p. m.)

Se unió el diciembre 11, 2015

9 Recomendaciones

$80 USD / hora

Principal / Head AI Engineer with 25+ years of experience architecting and scaling complex software systems, now specializing in Large Language Models (LLMs), agentic workflows, and AI-first product development. Proven expertise in integrating OpenAI APIs, building RAG pipelines, and deploying scalable, production-grade LLM features using LangChain, pgvector, Pinecone, and related technologies. Hands-on leader with a track record of transforming business workflows through intelligent systems—semantic search, AI copilots, and conversational agents—while maintaining rigorous engineering standards across DevOps, observability, and frontend/backend architecture. Deep experience in embedding optimization, prompt engineering, fine-tuning GPT models, and delivering generative AI(GenAI) products that drive measurable impact. Skilled in mentoring engineers, leading cross-functional AI initiatives, and aligning technical strategy with executive goals in fast-paced, innovation-driven environments. Passionate about building the next generation of human-centered AI systems.

Verificaciones

A tiempo

100 %

Dentro del presupuesto

96 %

Aceptar tarifa

49 %

Tasa de recontratación

5 %

Portafolio

Portafolio

13702396
12867251
12867244
12867238
12867233
13702396
12867251
12867244
12867238
12867233
5.0 · 24 Comentarios
24 Comentarios
S
Bandera de

Steve C.

5,0

$4.800 USD

hace 20 días

PHP Pear Migration to cPanel

Addressed all of the concerns and needs as discussed. Pleasure to work with. [14 May, 2026] Great to work with.

Compartir

C
Bandera de

Eunsook U.

5,0

$9.050 USD

hace 3 meses

Custom Feature Development & Integration

He went above and beyond to complete the project. Very collaborative throughout the process and maintained excellent communication from start to finish. A pleasure to work with.

Compartir

Avatar del usuario
Bandera de

Lyle N.

5,0

$640 USD

hace 3 meses

Project for Hercules

Hercules efficiently identified issues with my existing program and clearly outlined a roadmap to fix it

Compartir

Avatar del usuario
Bandera de

Michael P.

5,0

$3.100 USD

hace 4 meses

AI-Driven Marketing Suite Development -- 2

Professional knows what he is doing

Compartir

Avatar del usuario
Bandera de

Manuel R.

5,0

$4.300 USD

hace 5 meses

Squarespace Checkout Streamlining for Meal Service -- 2

Very professional, great quality work, fast communication, easy to work with. Highly recommend!

Compartir

Experiencia

Zest AI

feb, 2021 - Presente

5 años, 3 meses

Lead AI & Full-Stack Engineer

feb, 2022 - Presente

4 años, 3 meses

● Led end-to-end delivery of AI features powered by LLMs across multiple enterprise systems and userfacing platforms, increasing operational efficiency by 35%. ● Designed and built Retrieval-Augmented Generation (RAG) pipelines using LangChain + pgvector for internal knowledge Q&A and semantic support agents, improving answer accuracy by 42%. ● Implemented OpenAI Function Calling agents to automate product recommendations, onboarding, and workflow decisions, reducing manual effort by 50%.

Bandera de

Burbank, United States

Principal / Head AI Engineer

feb, 2021 - ene, 2022

11 meses, 3 días

● Spearheaded the company’s first LLM initiative — from infrastructure design to capability prototyping — establishing a foundation for 100% of future AI-driven features.● Built early prompting pipelines for classification, summarization, and natural language autofill using GPT-3.5, reducing manual processing time by 40%. ● Structured metadata, embedding schemas, and ETL pipelines to support vector-based semantic search, enabling a future 35% improvement in knowledge retrieval accuracy.

Bandera de

Burbank, United States

feb, 2021 - Presente

5 años, 3 meses

Educación

University of East London

1999 - 2000

1 año

MSc in AI & Data Science

Bandera de

United Kingdom

1999 - 2000

1 año

University of East London

1996 - 1999

3 años

BSc in Computer Science

Bandera de

United Kingdom

1996 - 1999

3 años

Publicaciones

ExpressionEngine

2014

TrustRadius

ExpressionEngine is dream of any developer This is the best CMS on a market for developers. Turn your eCommerce project to a winner with Brilliantretail module. Anything can be accomplished without breaking your neck! No project will be brilliant without ExpressionEngine. Devot-ee is the place for all plugins needed to accomplish any project your client desires. http://www.trustradius.com/reviews/expressionengine-2014-04-08-08-34-47

2014

AWS Certified Solutions Architect

2010

Associate

The AWS Certified Solutions Architect – Associate certificate shows knowledge of cloud computing. It helps design secure and scalable solutions on Amazon Web Services (AWS). This certification is useful for IT professionals who want to improve their cloud skills.

2010

Certificaciones

P

Preferred Freelancer Program SLA

Usuarios registrados

Total de trabajos publicados

Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)

Copyright © 2026 Freelancer Technology Pty Limited (ACN 142 189 759)