Ned O’hara
Tech Lead
Experience
Tech Lead
R3leaf GmbH
- Autonomously drafted architecture and delivered production code at startup pace
- Wrangled diverse geospatial formats (NETCDF, GeoTIFF, GML) into unified standards and built scalable climate data visualisations from hundreds of GBs of geodata in a production web app
- Mentored developers, facilitated AI skill sharing, and contributed to competitive strategy with C-Level leadership
Freelance Full-Stack Web Developer
Self-employed
- Delivered secure, data-privacy-compliant web solutions and performed large-scale big-data cloud migrations
- Provisioned cloud infrastructure, optimized for client requirements, and minimized legal risk
- Upgraded, maintained and built web platforms for a number of clients
Cook
Community Projects
- Cooked for over hundreds of volunteers at different community projects (workaway)
Codecamp Instructor
Devhaus Leipzig
- Delivered full-stack development training (HTML, CSS, JS, React, NextJS) for beginner audiences
- Mentored and reviewed code for student development teams building initial full-stack applications
UI Designer / Frontend Dev / Content Integrator
Mogic GmbH
- Integrated and optimized modern CMS components for high-traffic projects, focusing on accessibility and performance
Junior Frontend Developer
Rohde & Schwarz Cybersecurity
- Worked under NDA
Junior Backend Developer
eCommeleon
- Integrated the API data structure of the Walmart marketplace into the eCommeleon SaaS product
- Successfully developed a Windows desktop app with C# that scraped APIs and performed large database inserts into a production MySQL database
Industries Experience
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Experienced in Information Technology (6.5 years) and Education (1 year).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Information Technology (6.5 years), Product Development (5 years), and Business Intelligence (2.5 years).
Summary
I’m a full-stack developer with years of experience leading, designing and developing scalable, accessible, and intuitive web platforms.
Skills
Cloud
- Aws
- Hetzner
- Akamai
- Coolify (Self-hosted Paas)
- Vercel
- Heroku
- Terraform
- Docker
Ai-related
- Claude Code
- Multi-agentic Patterns
- Rag
- Prompt Engineering
- Context Engineering
- Mcp
- Acp
- A2a
- Google Stitch (Design)
- Pydantic
- Vercel Ai Sdk
Frontend (Client-side)
- Html
- Css
- Sass/scss
- Tailwindcss
- Javascript
- Typescript
- React
- Svelte/sveltekit
- Next.js
- React Router
- Remix
Backend (Server-side)
- Nodejs (Ts & Js)
- C#
- C
- Python (Flask / Django)
- Java
- React/next.js
- Php
Embedded Programming & Robotics
- Esp32
- Arduino
- Raspberry Pi
- Bread-boarding
- Ros
- Rtos
CMS
- Typo3
- Typoscript
- Wordpress
Design
- Figma
- Adobe Cc
- Web Design
- Video Editing
- Logo Design
- Typography
- Storybook
Databases & Orms
- Sql
- Postgresql
- Mongodb
- Redis
- Mysql
- Prisma
- Drizzle
Misc
- Uml
- Er-modeling
- Git
- Cicd
- Github Actions
- Webhooks
- Websockets
- Ubuntu
- Linux
- I18n (Internationalisation)
- L10n (Localisation)
- A11y (Accessibility)
Languages
Education
FER - University of Zagreb Faculty of Electrical Engineering and Computing
Zagreb, Croatia
University of Leipzig - Faculty of Mathematics and Computer Science
Bachelor of Science · Digital Humanities · Leipzig, Germany · 2.3
Certifications & licenses
Cars - B
Motorcycles - AM
Small Tractors - L
Profile
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