08/01/2026 updated
100 % available
Senior AI-Native Full-Stack Engineer | Next.js & PostgreSQL
Naas, Ireland
Only remote
Leaving CertificateAbout me
I build production-grade SaaS platforms, AI agents, dashboards and client portals using Next.js, TypeScript, PostgreSQL and Python. I’ve shipped 8+ live products, earned a 100% Upwork JSS, and provide strong GitHub architecture proof. Fast delivery without sacrificing system quality.
AI AgentsLLMOpenAIApplication Programming Interfaces (APIs)Software as a ServiceNext.jsMulti-Agent SystemsStripeFull Stack DevelopmentFront End Software Development
Full-Stack Development
Expertise in building production-grade SaaS platforms using React 19, TypeScript, Next.js, Vite, Tailwind CSS v4, Node.js, Express, and REST APIs, delivering scalable and type-safe applications from scratch.
AI & Multi-Agent Systems
Deep knowledge in designing and deploying multi-agent orchestration systems using OpenAI (GPT-4o/5), Claude, LangGraph, LLM tool calling, RAG (Retrieval-Augmented Generation), and vector embeddings for enterprise-grade AI operations.
Database Architecture & Vector Databases
Proficiency in PostgreSQL, MongoDB, pgvector, Supabase, Drizzle ORM, and Mongoose, including semantic memory systems and vector database integration for AI-native applications.
Cloud Infrastructure & DevOps
Hands-on experience with Vercel, Docker, GitHub, AWS S3, Replit, and hardened API proxies for deploying and managing scalable cloud-based systems.
Real-Time Systems & WebSockets
Implementation of real-time features using Socket.io, including live chat, KPI strip tracking, queue depth monitoring, and agent health telemetry.
Payment & Billing Integration
Integration of Stripe Elements for subscription billing, monthly/yearly plans, webhook-handled tier changes, and cashflow analytics within SaaS platforms.
AI-Native Development Workflows
Mastery of AI-native development tools including Replit, Cursor, and AI scaffolding to design, code, and deploy complete applications at high velocity.
Frontend UI & Animation
Building polished, responsive user interfaces using Framer Motion, shadcn/ui, Radix UI, Recharts, and TanStack Query for dynamic and interactive frontends.
Transactional Email & Notifications
Setup and management of transactional email systems using Resend, including automated email templates and notification workflows.
Expertise in building production-grade SaaS platforms using React 19, TypeScript, Next.js, Vite, Tailwind CSS v4, Node.js, Express, and REST APIs, delivering scalable and type-safe applications from scratch.
AI & Multi-Agent Systems
Deep knowledge in designing and deploying multi-agent orchestration systems using OpenAI (GPT-4o/5), Claude, LangGraph, LLM tool calling, RAG (Retrieval-Augmented Generation), and vector embeddings for enterprise-grade AI operations.
Database Architecture & Vector Databases
Proficiency in PostgreSQL, MongoDB, pgvector, Supabase, Drizzle ORM, and Mongoose, including semantic memory systems and vector database integration for AI-native applications.
Cloud Infrastructure & DevOps
Hands-on experience with Vercel, Docker, GitHub, AWS S3, Replit, and hardened API proxies for deploying and managing scalable cloud-based systems.
Real-Time Systems & WebSockets
Implementation of real-time features using Socket.io, including live chat, KPI strip tracking, queue depth monitoring, and agent health telemetry.
Payment & Billing Integration
Integration of Stripe Elements for subscription billing, monthly/yearly plans, webhook-handled tier changes, and cashflow analytics within SaaS platforms.
AI-Native Development Workflows
Mastery of AI-native development tools including Replit, Cursor, and AI scaffolding to design, code, and deploy complete applications at high velocity.
Frontend UI & Animation
Building polished, responsive user interfaces using Framer Motion, shadcn/ui, Radix UI, Recharts, and TanStack Query for dynamic and interactive frontends.
Transactional Email & Notifications
Setup and management of transactional email systems using Resend, including automated email templates and notification workflows.
Languages
EnglishNative speaker
Project history
Built and deployed 10+ production-grade SaaS platforms, multi-agent AI operations hubs, client portals, and predictive analytics dashboards from scratch. Partnered with founders to translate business vision into stakeholder-ready products. Maintained 100% client satisfaction (5.0/5.0 Upwork JSS) across all contracts.
Engineered a 7-node deterministic multi-agent pipeline with LLM tool calling, pgvector semantic memory, and full forensic audit ledger. Implemented RAG with vector embeddings for context-aware processing and real-time KPI telemetry. Stack: React, TypeScript, Vite, Tailwind, Framer Motion, Node.js, Express, pgvector, PostgreSQL.
Built a premium client portal with AI Agent (GPT-4o) and RAG for project-specific queries, Socket.io chat, Resend-powered transactional email, custom SVG sparklines, and cashflow analytics. Stack: React 18, TypeScript, Tailwind CSS v4, Node.js, Express, MongoDB, Socket.io, OpenAI API, Resend, Stripe.