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I’m Mark Marquez, a backend-heavy full stack engineer and technical lead with 10 years of experience building cloud-native SaaS platforms and enterprise systems from concept to production. I specialize in backend architecture, API design, database modeling, and distributed/event-driven systems, and I’ve helped teams ship reliable products that serve tens of thousands of users. I also enjoy applying AI to real products—building LLM and OCR pipelines, retrieval-augmented search, and data-driven recommendation workflows—while keeping engineering teams productive through strong CI/CD, observability practices, and mentoring. Throughout my career, I’ve scaled applications to 10,000+ paying customers and improved performance and cost efficiency by containerizing AWS infrastructure and modernizing delivery pipelines.…I’m Mark Marquez, a backend-heavy full stack engineer and technical lead with 10 years of experience building cloud-native SaaS platforms and enterprise systems from concept to production. I specialize in backend architecture, API design, database modeling, and distributed/event-driven systems, and I’ve helped teams ship reliable products that serve tens of thousands of users. I also enjoy applying AI to real products—building LLM and OCR pipelines, retrieval-augmented search, and data-driven recommendation workflows—while keeping engineering teams productive through strong CI/CD, observability practices, and mentoring. Throughout my career, I’ve scaled applications to 10,000+ paying customers and improved performance and cost efficiency by containerizing AWS infrastructure and modernizing delivery pipelines.

Mark Marquez

Full Stack Developer, Back-End Developer, DevOps Developer, +2

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I’m Mark Marquez, a backend-heavy full stack engineer and technical lead with 10 years of experience building cloud-native SaaS platforms and enterprise systems from concept to production. I specialize in backend architecture, API design, database modeling, and distributed/event-driven systems, and I’ve helped teams ship reliable products that serve tens of thousands of users. I also enjoy applying AI to real products—building LLM and OCR pipelines, retrieval-augmented search, and data-driven recommendation workflows—while keeping engineering teams productive through strong CI/CD, observability practices, and mentoring. Throughout my career, I’ve scaled applications to 10,000+ paying customers and improved performance and cost efficiency by containerizing AWS infrastructure and modernizing delivery pipelines.…I’m Mark Marquez, a backend-heavy full stack engineer and technical lead with 10 years of experience building cloud-native SaaS platforms and enterprise systems from concept to production. I specialize in backend architecture, API design, database modeling, and distributed/event-driven systems, and I’ve helped teams ship reliable products that serve tens of thousands of users. I also enjoy applying AI to real products—building LLM and OCR pipelines, retrieval-augmented search, and data-driven recommendation workflows—while keeping engineering teams productive through strong CI/CD, observability practices, and mentoring. Throughout my career, I’ve scaled applications to 10,000+ paying customers and improved performance and cost efficiency by containerizing AWS infrastructure and modernizing delivery pipelines.

Available to hire

I’m Mark Marquez, a backend-heavy full stack engineer and technical lead with 10 years of experience building cloud-native SaaS platforms and enterprise systems from concept to production. I specialize in backend architecture, API design, database modeling, and distributed/event-driven systems, and I’ve helped teams ship reliable products that serve tens of thousands of users.

I also enjoy applying AI to real products—building LLM and OCR pipelines, retrieval-augmented search, and data-driven recommendation workflows—while keeping engineering teams productive through strong CI/CD, observability practices, and mentoring. Throughout my career, I’ve scaled applications to 10,000+ paying customers and improved performance and cost efficiency by containerizing AWS infrastructure and modernizing delivery pipelines.

Skills

Experience Level

Expert

Expert

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Intermediate

Intermediate

Intermediate

Language

Aragonese

Intermediate

Work Experience

Lead Backend / Full Stack Engineer (Contract) at Novatrade

April 1, 2024 - May 1, 2026

Architected and delivered AI-powered SaaS products from zero to production, owning backend architecture, API design, data models, infrastructure, and frontend integration. Reduced infrastructure costs by migrating EC2 workloads to AWS ECS Fargate with right-sized auto-scaling and containerized deployment patterns. Built an OCR and LLM processing pipeline using Textract, GPT-4, LangChain, and Python services to reduce blueprint analysis time from hours to minutes for 500+ monthly active users. Cut deployment incidents by 60% by implementing GitHub Actions CI/CD pipelines, Docker release workflows, automated smoke checks, and zero-downtime rollout patterns. Integrated Pinecone vector search and Redis-backed caching to improve retrieval speed, semantic search quality, and backend scalability. Led a 4-person team through architecture reviews, pull request standards, pair programming, and production readiness practices.

Senior Full Stack Engineer / Technical Lead (Contract) at LearnWithSocrates

March 1, 2021 - March 1, 2024

Built backend services for LLM-powered quiz generation, adaptive learning paths, and personalized recommendations using OpenAI, PyTorch, Hugging Face, Python, and Node.js. Increased user engagement by 30% and added 18 minutes to average daily session time by connecting AI-generated content with learning analytics and recommendation workflows. Scaled Capsho AI to 10,000+ paying users by leading full stack development of content generation pipelines, subscription workflows, usage tracking, and production APIs. Reduced CI/CD build times from 22 minutes to under 11 minutes by overhauling Nx monorepo pipelines and separating affected builds, test stages, and deployment jobs. Unified multiple SaaS products under shared TypeScript component and service libraries, reducing duplicated work by 40% and lowering QA rollback rates. Directed a distributed 6-person team across 3 time zones, managing planning, technical decomposition, backend reviews, and release coordination.

Full Stack Developer at iPeople Inc

August 1, 2016 - February 1, 2021

Developed and maintained enterprise backend systems across aviation, healthcare, and internal business platforms supporting high-volume workflows and multi-client delivery. Contributed to the Philippine Airlines booking platform, which achieved 99.9% uptime while processing 100,000+ daily flight searches. Led service decomposition work for MedConsOnline, moving core modules from a monolith into independently deployable services using ASP.NET Core, Spring Boot, and Node.js. Built REST APIs, reporting modules, authentication flows, data synchronization jobs, and admin interfaces backed by PostgreSQL, MySQL, and MS SQL Server. Improved deployment reliability by introducing Dockerized environments, clearer release checklists, and CI workflows for enterprise client projects. Collaborated with product managers, QA engineers, and stakeholders to deliver production features in healthcare and aviation domains.