Sérgio Oliveira

Full Stack Engineer & Technical Architect

Porto, PT.

About

Senior Full Stack Engineer & Technical Architect based in Porto, Portugal, with 15+ years of experience in web, mobile, and AI‑augmented development. Co‑founder of a no‑code SaaS platform, builder of award‑winning mobile apps, and current AI‑enabled consultant delivering scalable, innovative solutions.

Work

Self‑Employed / Independent Consultant

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Full Stack & AI Consultant

Porto, Porto, Portugal

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Summary

Strategic engineering and AI integration consultancy, bridging legacy systems and intelligent software workflows.

Highlights

Architected AI‑Ready infrastructures using RAG patterns and vector databases (Pinecone, Weaviate, pgvector)

Built rapid production‑grade prototypes with React, Next.js, React Native, Node.js/TypeScript

Advised on LLM workflows (OpenAI, Claude), prompt engineering, and agentic AI systems

LOBA

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Full Stack Developer

Oliveira de Azeméis, Aveiro, Portugal

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Summary

Delivered full‑stack web and mobile experiences using modern JS/TS stacks for clients.

Highlights

Developed React/Node.js/TypeScript systems, mobile via React Native

Managed PostgreSQL (JSONB), AWS (EC2, S3, RDS), Docker, Cloudflare, CI/CD

Bondhabits

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Lead Full‑Stack Developer

Porto, Porto, Portugal

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Summary

Led full‑stack development across JS/TS, React, Node.js, AWS, backend, cloud.

Highlights

Built scalable, performance‑oriented cloud services on AWS

Managed end‑to‑end architecture for web and mobile systems

Bondlayer (Co‑Founder & Lead Engineer)

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Lead Full‑Stack Developer & Technical Architect

Porto, Porto, Portugal

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Summary

Co‑founded and led engineering of a pioneering no‑code visual IDE platform for web and native mobile apps.

Highlights

Engineered JSONB‑based flexible schema data engine on PostgreSQL

Built unified rendering across React and React Native for complex app delivery

Designed AWS cloud infrastructure (EC2, S3, RDS, Lambda), Docker/Kubernetes orchestration

AppGeneration / NDrive

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Lead Developer / Mobile Developer

Porto, Porto, Portugal

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Summary

Led development of high‑impact mobile applications and scalable backends for top telecom clients.

Highlights

Developed top‑chart iOS/Android apps with Titanium Mobile and responsive mobile sites

Built scalable Django/Python backends with PostgreSQL; optimized for telco‑scale traffic

ROFF Consulting (JUMP agency)

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Full Stack Developer

Saint‑Ouen, Île‑de‑France, France

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Summary

Built enterprise mobile and web solutions bridging SAP systems and mobile devices.

Highlights

Pioneered Titanium Mobile apps integrating with SAP backends

Developed native Android (Java) tools and PHP/jQuery web portals

ideias com pernas – creative films

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Full Stack Developer

Matosinhos, Porto, Portugal

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Summary

Developed web solutions for creative media production workflows.

seara.com

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Web Developer

Porto, Porto, Portugal

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Summary

Built websites and web functionality for an internet technology company.

Skills

Frontend Development

React, React Native, Expo, HTML5, CSS3, Tailwind CSS, Styled Components.

Backend & APIs

Node.js, TypeScript, Python, Django, REST APIs.

Cloud & DevOps

AWS (EC2, S3, RDS, Lambda), Docker, Kubernetes, Cloudflare, CI/CD, Terraform.

Databases

PostgreSQL (JSONB), Redis, Vector Databases, RAG.

AI & ML Integration

AI‑augmented development, LLMs, OpenAI API, LangChain, Prompt Engineering.