The RJL Network
A family of developer-focused platforms and tools
RJL.io
Free developer tools and utilities. Font Awesome free icon validator, custom QR code generators, UUID creation and inspection, Barcode generation tool, QR Code scanner with your camera or upload a QR code to read it, and more.
RJL.ai
AI-Native Software Starts with Context. Learn how to start with context, not code, using Markdown (.md) as a living specification to drive everything from market research to deployment. This is a practical, context-driven approach that accelerates results and creates a culture of innovation.
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Learn about who I am. See my professional bio and global leadership experience. Read my Executive Bio for a quick overview of my career highlights and leadership approach. Get my contact information for professional inquiries.
Visit RJL.bioMore Developer Tools
Additional developer tools and utilities maintained by RJ Lindelof
JSONL.rest
This is the Wikipedia of JSON Lines format - a comprehensive, developer-focused resource that serves as the single source of truth for everything JSONL. Whether you're processing streaming data, training AI models, or managing massive log files, we provide the knowledge and tools you need. I believe in making data formats accessible, understandable, and easy to implement.
Visit JSONL.restESModules.com
ECMAScript resource for mastering JavaScript's native module system. Explore tutorials and best practices for writing clean, reusable, and maintainable code. You will find fundamental concepts, advanced techniques, and practical examples to help you leverage ES Modules in your projects.
Visit ESModules.comGenAI.md
Using Markdown (.md) as a living specification to drive everything from market research to deployment. Guardrails, Not Manuals. Your .md should be a high-level guide with strategic pointers, not a comprehensive manual. Document what your AI consistently gets wrong. If explaining something requires more than 3 paragraphs, the problem is your tooling, not your docs.
Visit GenAI.mdUseful Resources
Helpful tools and utilities for productivity, fun, and inspiration
CostlyMeeting.com
This is a web-based meeting cost calculator that helps businesses and organizations understand the true financial impact of their meetings. By calculating real-time costs based on attendee salaries and meeting duration, my tool promotes more efficient meeting practices and better resource allocation. This was my idea after spending too much time in pointless meetings.
Visit SiteScan.camera
QR code and barcode scanning tools for web and mobile applications. Go Viral with Smart QR Codes. Create QR codes that drive traffic to YOUR content! Replace images anytime, add call-to-action buttons, track clicks, and control exactly what people see when they scan. Perfect for going viral on social media!
Visit Scan.cameraWaterfallConf.com
Finally! A conference dedicated to all aspects of Waterfall Model of software development. Many companies are Dropping Agile, Dropping Scrum, Dropping Kanban, Dropping Lean Startup, Dropping XP, Dropping SAFe, Dropping FDD, Dropping RAD, Dropping AUP and Dropping all other forms of Agile to move back to the safe and sequential development process. #WaterfallIsBack
Visit SiteThisIsA...Name.fyi
This fun parody site highlights the challenges and quirks of using excessively long domain names in web development and online branding. Fun tools, facts, awards, and official LinkedIn certifications await you. You'll never forget ThisIsALongWebsiteName.fyi. It's burned into your brain now. Sorry about that.
Visit SiteBestJob.work
I've interviewed for many remote job in my career. This website highlights the insane benefits, quirks, language and absurd I've seen first hand. This is a must read for anyone needing to navigate the remote job landscape.
Visit SiteOldClock.digital
Remember those chunky alarm clocks from the '80s and '90s? The ones that weighed more than your phone and somehow always displayed "12:00" after a power outage? This site brings back that nostalgia with a vintage-style digital clock display for your browser.
Visit SiteFake News Maker
Create satirical news headlines for entertainment purposes. A realistic breaking news style image in seconds: upload a photo, choose an aspect ratio, add a headline, scrolling updates, and Live / Breaking / Alert overlays - then download instantly
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Explore my complete ecosystem of specialized platforms and resources
RJL.guru
Fractal CTO and Consulting Services I work with companies that are ready to build, not just brainstorm. From engineering acceleration to platform modernization and AI integration, I deliver sleeves-rolled-up execution. Every engagement is designed to reduce noise, increase velocity, and leave your team smarter and stronger.
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This is all about my technical skills and expertise. As a seasoned full-stack developer and architect, I specialize in building high-performance web applications, scalable cloud solutions, and cutting-edge AI integrations. My ninja-level coding skills span multiple languages and frameworks, enabling me to tackle complex challenges with agility and precision.
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My philosophy on Engineering Leadership, Platform Innovation, and AI-Driven Growth. I build and lead high-performing global engineering teams. My approach unites developers, designers, and product managers in a collaborative partnership focused on a shared goal: delivering exceptional platform services. I believe a superior Developer Experience is fundamental to this mission, enabling teams to ship with speed and confidence.
Visit RJL.devRJL.pub
My ebook The Tech Journey. Discussing my career and how I have navigated the complexities of the tech industry, I offer insights and lessons learned along the way. This is not speculation about the future. What sets this work apart is its technical depth. I don't just tell you to "use Claude Code" - I show you how to architect context files, structure prompts for optimal caching, integrate MCP servers, and build agent frameworks.
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My personal website domain portfolio. Showcasing my web development projects, design work, and online presence. This is where I experiment with new web technologies, frameworks, and design trends. From static sites to dynamic applications, RJLWeb.com is my playground for pushing the boundaries of what's possible on the web.
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Some of my technology insights, development resources, and innovation hub for the modern developer. Pioneering the future of web development with revolutionary frameworks, standards, and innovative solutions that push the boundaries of what's possible on the web. And mostly sites and tools I haven't yet categorized elsewhere.
Visit RJL.techOne Ecosystem
The RJL network is a collection of interconnected platforms designed to support developers at every stage of their journey. From learning and building to deploying and scaling, we provide the tools and resources you need.
All platforms share my core values: free access, privacy-first design, and developer empowerment.