Senior Technical Architect. Fractional CTO. AI Agentic Enthusiast.
Crafting the backbone of global fintech & telecom infrastructure.
A systems architect and technical leader with over two decades of experience building mission-critical platforms for FinTech, Banking, and Telecom. Currently serving as Senior Technical Architect at Eurofins, leading architectural decisions for global-scale laboratory information systems.
Beyond enterprise roles, I operate as a fractional CTO and technical advisor through Arc.dev and Codementor, with 138+ completed sessions, 72 reviews, and a perfect 5.0/5.0 rating. I specialize in distributed systems architecture, real-time trading platforms, and AI-enabled automation.
Live inventory of personal infrastructure.
Managed via Coolify & Traefik on Hetzner VPS.
vibe.oakoliver.com
AI-powered application platform with MCP servers and agentic workflows.
imago.oakoliver.com
Image processing and management service.
n8n.oakoliver.com
Workflow automation engine connected to Postgres 16.
Private AI chat interface.
insights.oakoliver.com
Analytics platform powered by ClickHouse and Postgres 17.4.
Remote VS Code server & WireGuard VPN access point.
Enterprise-grade platforms architected and delivered over 20+ years.
AI-powered application platform with MCP servers, agentic workflows, browser automation (OakOwl), and real-time analytics.
Real-time market data distribution system. Sub-millisecond quote streaming via SignalR to thousands of concurrent trading sessions.
High-frequency trading execution platform. Order routing, position management, and real-time P&L across multiple asset classes.
Nostro account reconciliation system. Automated matching of bank statements with internal ledger across 20+ correspondent banks.
Authentication, Authorization & Audit platform. Centralized identity management and compliance logging for all bank systems.
Custom content management system for regulatory documents, client communications, and multi-language banking content.
Production-grade ports of Python ML and Go terminal UI libraries. Multi-runtime. Zero dependencies.
npm install @oakoliver/glamour
Stylesheet-based markdown rendering for the terminal. Custom GFM parser, 7 built-in themes, ANSI styling. Port of charmbracelet/glamour. 317 tests.
npm install @oakoliver/bubbletea
Elm Architecture TUI framework for TypeScript. Event loop, input parser, renderer, commands. Port of charmbracelet/bubbletea. 46 tests.
npm install @oakoliver/bubbles
15 pre-built TUI components: text inputs, viewport, table, list, spinner, progress bar, help, and more. Port of charmbracelet/bubbles. 256 tests.
npm install @oakoliver/lipgloss
Style definitions for terminal layouts. Padding, margins, borders, alignment, color profiles. Port of charmbracelet/lipgloss. 328 tests.
npm install bm25s
Ultra-fast BM25 full-text search. Eager sparse scoring for instant retrieval. 4.6M tokens/sec indexing, 2-3x faster than Python. Zero dependencies.
npm install pageindex
Vectorless RAG for document understanding. LLM-powered hierarchical indexing with page-level retrieval. PDF & Markdown support with OCR.
npm install -g @oakoliver/glow
Terminal markdown reader with CLI and interactive TUI modes. File browser, fuzzy filter, viewport pager, live reload. Port of charmbracelet/glow. 60 tests. The capstone app tying all 4 Charm libraries together.
npm install @oakoliver/huh
Interactive terminal forms and prompts. Input, text, confirm, select, multiselect, filepicker fields with themes, validation, groups, and accessibility. Port of charmbracelet/huh. 28 tests.
Strategic technical leadership for startups and scale-ups. I align technology with business goals and set up scalable engineering cultures.
BOOK CONSULTATIONDeep dive into your distributed systems. I identify bottlenecks, security flaws, and scalability issues before they become expensive problems.
AUDIT MY STACKUnblocking software engineers and specialized assistance for complex implementations in C#, SQL, and TS.
Senior Engineer at Advantis, Analyst at BSI Tecnologia, and Intern at Sercomtel. Foundational work in Java, VBA, and early .NET frameworks.
Universidade Europeia, Portugal
Universidade Europeia, Portugal
Universidade Norte do Parana, Brazil
Universidade Estadual de Londrina, Brazil
Arc.dev
Scrum Alliance
EF Standard English Test
GitHub Archive Program
Dynargie
Be the first to know about new products, services, and exclusive insights from Oak Oliver.