Hello, I’m Jason Croghan
Full-stack Developer | Proficient in Multiple Languages and Platforms
Below is a selection of my professional experience.
Over the years I've worked primarly in Fintech for a number of companies - this is just a small sample and you'll notice one overlaps the other, that's because I left and came back!
Here I started my career and developed an enterprise Financial Services suite of applications handling millions of euros of client investments.
Designing and implementing an enterprise Fintech Product. Working with a team of Chinese developers to create value for our clients.
Principal architect on a fintech solution for one of the leading investment groups in the world. Managing and directing a team of 50+ architects, developers and QA.
Transform client requirements into high-level solutions that deliver quality and meet client needs.
Guide and mentor a team of architects to produce detailed designs for development teams.
Lead and mentor extensive onshore and offshore development teams, ensuring seamless operations as the senior Subject Matter Expert (SME).
Ensure solutions align with client expectations and deliver optimal value.
Ensure seamless integration of various components to deliver a reliable and high-performance platform, collaborating with multiple surrounding systems.
Establish and achieve weekly, monthly, quarterly, and annual goals to meet project deadlines and exceed expectations.
Develop and work with AI applications prior to the mainstream adoption of Large Language Models (LLMs), including prompt engineering, installation, and framework integration.
Demonstrated ability to develop innovative solutions that exceed expectations and prioritize quality.
Experience working daily with architects, developers, and QA professionals worldwide, with collaboration as a key strength.
As a Principal Architect, responsible for managing and mentoring team members ranging from junior developers to senior architects.
Maintain daily communication with clients, leading engagements at all levels and fostering strong client relationships.
Projects and side gigs I've worked on.
Engaged with AI prior to the mainstream adoption of LLMs. Self-hosted Ollama with various models for diverse purposes, implemented a Retrieval-Augmented Generation (RAG) application to search an extensive 11,000-page Confluence site, and utilized AI tools to create image generators and agents, with extensive experience in prompt engineering.
Developed a Counter-Strike: Source plugin played by over a million users weekly. Innovated with groundbreaking function hooks and patches to the game engine, setting a standard that remains unmatched.
Initiated coding in teenage years by developing booters and hacking tools for Yahoo, including "Darks Revenge," which garnered over a million downloads. Created various applications, including a firewall from scratch, a full-featured chat/messenger application, and a tool for generating code for developers working with Windows API, all aimed at extensive learning.
Developed multiple websites for Loki Hostels, including their main website and "LokiPlanet," an information platform by backpackers for backpackers.
Developed a standalone control unit for a medical device used in laser skin surgery, capturing skin images with a USB medical-grade camera and utilizing an AI engine to configure inputs for a Bluetooth LE laser device, assisting doctors in skin repair.
Manage a multitude of self-hosted services from a Linux server, including Nextcloud, Plex, various websites, Samba sharing, a custom Pastebin clone, qBittorrent with the *Arr stack, OpenWebUI, AnythingLLM, SSH with Fail2Ban, and more.
Let's collaborate to bring your ideas to fruition.
For business inquiries and job opportunities, please email me at
c0ldfyr3@gmail.com
OR
jay@croghan.eu
Hangzhou, China
or
Roscommon, Ireland