CTCO (Coder to Corner Office) is Joseph Tomkinson's blog on the journey from software engineer to engineering leader — CTO, Head of Engineering, VP Engineering, Practice Director.https://www.ctco.blog/https://www.ctco.blog/posts/maui-vs-avalonia-2026-cross-platform-dotnet-ui/https://www.ctco.blog/posts/maui-vs-avalonia-2026-cross-platform-dotnet-ui/An experience-driven comparison of .NET MAUI and Avalonia UI as cross-platform frameworks in 2026 - covering architecture, performance, platform reach, ecosystem, migration paths, and which to pick for your next project.Sun, 17 May 2026 11:00:00 GMT.NETC#MAUI.NET MAUIAvaloniaAvaloniaUICross-Platform.NET10.NET9XAMLMobile DevelopmentDesktop DevelopmentArchitectureJoseph Tomkinsonhttps://www.ctco.blog/posts/understanding-the-cto-path/https://www.ctco.blog/posts/understanding-the-cto-path/The UK technology leadership market has splintered into CTOs, OCTOs, vCTOs, fractionals and Technology NEDs. A guide to what each role really involves, why the market created them, and how to choose between them, whether you're hiring one or aiming to become one.Sun, 10 May 2026 06:00:00 GMTLeadershipCareerCTOEngineering LeadershipReality CheckJoseph Tomkinsonhttps://www.ctco.blog/posts/the-good-the-bad-and-the-frontier/https://www.ctco.blog/posts/the-good-the-bad-and-the-frontier/Leaders are reasoning about AI as if it were one thing. Generalist productivity tools and specialist agentic tools are different conversations, and the frontier-vs-standard model gap is where most adoption plans quietly break.Sat, 25 Apr 2026 09:00:00 GMTAIAgentic AIEngineering LeadershipIndustry AnalysisProductivityMicrosoft CopilotGitHub CopilotJoseph Tomkinsonhttps://www.ctco.blog/posts/winui-vs-wpf-2026-practical-comparison/https://www.ctco.blog/posts/winui-vs-wpf-2026-practical-comparison/A thorough, experience-driven comparison of WinUI 3 and WPF as desktop frameworks in 2026 – covering performance, tooling, ecosystem, migration paths, and which to pick for your next project.Fri, 10 Apr 2026 06:58:00 GMT.NETC#WinUI3WinUI.NET10.NET9WPFWindows DevelopmentArchitectureXAMLJoseph Tomkinsonhttps://www.ctco.blog/posts/aces-reality-check-when-your-engineering-team-is-an-api/https://www.ctco.blog/posts/aces-reality-check-when-your-engineering-team-is-an-api/As coding agents take on more engineering work, model reliability and pricing quietly become delivery risks. This post covers the operational gaps most teams haven't addressed yet.Sun, 05 Apr 2026 21:00:00 GMTAIAgentic AIEngineering LeadershipSoftware DeliverySaaSCost ManagementJoseph Tomkinsonhttps://www.ctco.blog/posts/the-ncsc-said-the-quiet-part-out-loud/https://www.ctco.blog/posts/the-ncsc-said-the-quiet-part-out-loud/The UK's NCSC says AI-generated software and vibe coding are inevitable, so security leaders should focus on guardrails and assurance now instead of pretending adoption can be stopped.Sat, 28 Mar 2026 10:00:00 GMTAISecuritySaaSEngineering LeadershipAgentic AIJoseph Tomkinsonhttps://www.ctco.blog/posts/dlss-5-the-gpt-moment-for-graphics/https://www.ctco.blog/posts/dlss-5-the-gpt-moment-for-graphics/My humble take on NVIDIA's DLSS 5 announcement at GTC 2026, what neural rendering means for the games we love, why the backlash misses the point, and how a 37-year-old who still plays WoW feels about the future of visual fidelity.Sun, 22 Mar 2026 09:00:00 GMTPersonalGamingNVIDIAGraphicsAIJoseph Tomkinsonhttps://www.ctco.blog/posts/openclaws-security-reckoning/https://www.ctco.blog/posts/openclaws-security-reckoning/Nvidia built NemoClaw to put guardrails around OpenClaw. Meta is firing people for installing it. Microsoft says don't run it on your workstation. Here's what engineering leaders need to know about the security reckoning unfolding around agentic AI.Tue, 17 Mar 2026 07:18:00 GMTAIAgentic AIAI AgentsSecurityNvidiaIndustry AnalysisJoseph Tomkinsonhttps://www.ctco.blog/posts/understanding-modern-prompt-engineering/https://www.ctco.blog/posts/understanding-modern-prompt-engineering/A practical deep-dive into how LLMs actually work, what RAG and vector indexes bring to the table, and how MCP is changing the way AI systems integrate with the real world.Mon, 16 Mar 2026 08:00:00 GMTAILLMsPrompt EngineeringRAGMCPArchitectureJoseph Tomkinsonhttps://www.ctco.blog/posts/claude-cowork-anthropics-play-for-the-rest-of-us/https://www.ctco.blog/posts/claude-cowork-anthropics-play-for-the-rest-of-us/Anthropic's Claude Cowork brings agentic AI out of the terminal and onto the desktop. Let's look at how it works, why Wall Street panicked, and what it means for how we work.Sun, 08 Mar 2026 19:00:00 GMTAIAgentic AIAI AgentsAnthropicProductivityIndustry AnalysisJoseph Tomkinsonhttps://www.ctco.blog/posts/would-you-kindly-inject-this-peptide/https://www.ctco.blog/posts/would-you-kindly-inject-this-peptide/Grey market peptides and AI companions are selling the same fantasy Rapture did: that technology can shortcut the difficult, messy, deeply human work of being alive.Thu, 05 Mar 2026 16:00:00 GMTEthicsGamingBioShockAIBiohackingJoseph Tomkinsonhttps://www.ctco.blog/posts/clawbot-moltbot/https://www.ctco.blog/posts/clawbot-moltbot/A practical review of Clawdbot/Moltbot/OpenClaw, the viral personal AI assistant that operates through chat apps. This article explores its architecture, capabilities, security considerations, and how it differs from other AI assistants with account access.Thu, 29 Jan 2026 07:00:00 GMTAI AgentsMoltbotClawdbotOpenClawPersonal AIProduct ReviewSecurityJoseph Tomkinsonhttps://www.ctco.blog/posts/the-90s-programmed-me-to-love-robots/https://www.ctco.blog/posts/the-90s-programmed-me-to-love-robots/A personal reflection on how growing up in the 90s with Tamagotchis, robot dogs, Transformers, and a certain lovable robot called Johnny Five shaped my lifelong fascination with AI and robotics.Sat, 24 Jan 2026 07:00:00 GMTPersonalRoboticsAINostalgiaHobbiesJoseph Tomkinsonhttps://www.ctco.blog/posts/2026-01-16-scale-to-zero-azure-saas-architecture/https://www.ctco.blog/posts/2026-01-16-scale-to-zero-azure-saas-architecture/A pragmatic playbook for designing SaaS applications on Azure that can genuinely idle at near-zero cost—without sacrificing operability, security, or a clean upgrade path.Mon, 12 Jan 2026 09:00:00 GMTAzureArchitectureSaaSCost OptimisationServerlessJoseph Tomkinsonhttps://www.ctco.blog/posts/vibe-coding-to-agentic-engineering/https://www.ctco.blog/posts/vibe-coding-to-agentic-engineering/Vibe coding lowered the barrier to building. But what happens next (security, resilience, maintainability) is where engineering experience starts to matter. This is my take on the journey.Mon, 12 Jan 2026 07:00:00 GMTAIGitHub CopilotAI AgentsSoftware EngineeringProfessional DevelopmentAgentic AIDeveloper ProductivityJoseph Tomkinsonhttps://www.ctco.blog/posts/tech-horizons-2026-agentic-ai-hardware-realities/https://www.ctco.blog/posts/tech-horizons-2026-agentic-ai-hardware-realities/A pragmatic look at 2026's technology landscape: from agentic AI becoming mainstream to the hardware squeeze affecting gamers and hobbyists, plus what's really happening with robotics and language models.Thu, 01 Jan 2026 09:00:00 GMTAIAgentic AILLMRoboticsHardwareIndustry AnalysisJoseph Tomkinsonhttps://www.ctco.blog/posts/large-behaviour-models-and-the-future-of-robotics/https://www.ctco.blog/posts/large-behaviour-models-and-the-future-of-robotics/Why Large Behaviour Models matter: a pragmatic look at what Boston Dynamics and TRI are doing with Atlas, and what it means for industrial automation and domestic robotics.Fri, 05 Sep 2025 09:00:00 GMTRoboticsAIAutomationAtlasMachine LearningJoseph Tomkinsonhttps://www.ctco.blog/posts/from-lead-dev-to-head-of-software-development/https://www.ctco.blog/posts/from-lead-dev-to-head-of-software-development/Honest reflections on moving from lead developer to Head of Software Development in my thirties. The shifts that matter, the traps I fell into, and practical playbooks for new leaders.Tue, 19 Aug 2025 10:00:00 GMTleadershipcareermanagementsoftware-developmentdevopsimposter-syndromeJoseph Tomkinsonhttps://www.ctco.blog/posts/csharp-ai-tooling-renaissance/https://www.ctco.blog/posts/csharp-ai-tooling-renaissance/A pragmatic tour of modern AI tooling for C# developers: Semantic Kernel, OpenAI.NET clients, LangChain.NET, ONNX, TorchSharp and vector stores, with practical snippets.Mon, 18 Aug 2025 09:00:00 GMTC#AI.NETSemantic KernelJoseph Tomkinsonhttps://www.ctco.blog/posts/being-glue-redefining-technical-leadership/https://www.ctco.blog/posts/being-glue-redefining-technical-leadership/Exploring the concept of 'glue work' in modern software development and how strategic positioning can transform invisible contributions into recognised technical leadership in an evolving landscape.Sat, 19 Jul 2025 10:00:00 GMTLeadershipCareer DevelopmentTechnical LeadershipMeta-technical SkillsGlue WorkJoseph Tomkinsonhttps://www.ctco.blog/posts/github-copilot-tips-and-tricks/https://www.ctco.blog/posts/github-copilot-tips-and-tricks/How to supercharge your GitHub Copilot agents with instruction directories and persistent context. The game-changing technique that transforms how AI agents understand and work with your projects.Mon, 23 Jun 2025 10:00:00 GMTAIGitHub CopilotAI AgentsDeveloper ProductivityVS CodeBest PracticesPrompt EngineeringJoseph Tomkinsonhttps://www.ctco.blog/posts/building-a-personal-brand/https://www.ctco.blog/posts/building-a-personal-brand/Exploring the value of building a personal brand in today's digital landscape and how it can enhance your career and professional relationships.Wed, 04 Jun 2025 09:00:00 GMTPersonal DevelopmentCareerBrandingLeadershipJoseph Tomkinsonhttps://www.ctco.blog/posts/github-copilot-agents-review/https://www.ctco.blog/posts/github-copilot-agents-review/An honest guide to setting up and actually using GitHub Copilot agents effectively in VS Code. No fluff, just the practical stuff you need to know.Fri, 30 May 2025 07:00:00 GMTAIGitHub CopilotAgenting AIAI AgentsDeveloper ToolsVS CodeJoseph Tomkinsonhttps://www.ctco.blog/posts/tackling-complex-software-projects/https://www.ctco.blog/posts/tackling-complex-software-projects/What are some of the key components in delivering successful outcomes for complex Software Development projects.Tue, 27 May 2025 09:00:00 GMTLeadershipProjectsSoftware DevelopmentSoftware DeliveryJoseph Tomkinsonhttps://www.ctco.blog/posts/local-language-models-csharp/https://www.ctco.blog/posts/local-language-models-csharp/An opinionated, step-by-step guide to spinning up small language models on your own hardware with nothing more than C# and the .NET SDK.Mon, 26 May 2025 10:20:00 GMTC#.NETLLMLlamaSharpAITutorialsJoseph Tomkinsonhttps://www.ctco.blog/posts/blog-refresh-2025/https://www.ctco.blog/posts/blog-refresh-2025/A deeper look at the latest wave of performance, DX and CI upgrades that landed on the CTCO blog over the long weekend.Sun, 25 May 2025 18:00:00 GMTEngineeringUpdatesJoseph Tomkinsonhttps://www.ctco.blog/posts/from-coder-to-leader-distinction-odma-ilm-journey/https://www.ctco.blog/posts/from-coder-to-leader-distinction-odma-ilm-journey/Reflecting on the experience of earning the Level 5 Diploma in Operations/Departmental Management (ODMA) with distinction and completing the ILM End-Point Assessment also with distinction. Discussing how modern leadership approaches — from adaptive and systems thinking to servant leadership — shaped personal growth, the relevance of these lessons in 2025's tech industry, and what the future holds for leadership in AI-augmented, distributed work environments.Wed, 09 Apr 2025 07:30:00 GMTLeadershipProfessional DevelopmentDigital ConsultancyAdaptive LeadershipServant LeadershipTech ManagementJoseph Tomkinsonhttps://www.ctco.blog/posts/atlas-robot-rl-simulation-demo-reflection/https://www.ctco.blog/posts/atlas-robot-rl-simulation-demo-reflection/A deep dive into the latest Boston Dynamics Atlas demo powered by reinforcement learning – covering its RL architecture, physics simulation, zero-shot sim-to-real transfer, human motion retargeting, and the massive scale (150M+ simulations) behind it. Includes parallels to generative AI and leadership takeaways on fostering innovation, simulation investment, AI-based control, and the future of work with robotics.Fri, 21 Mar 2025 11:21:00 GMTRoboticsReinforcement LearningSimulationAIGenerative AIEngineering LeadershipJoseph Tomkinsonhttps://www.ctco.blog/posts/effective-prompt-engineering/https://www.ctco.blog/posts/effective-prompt-engineering/Effective Prompt Engineering - A closer look at AI services, Data security and Effective Prompt Engineering.Wed, 18 Sep 2024 08:00:00 GMTAILLMOpenAIAzure AIGROKAnthropicPrompt EngineeringMicrosoftEffective PromptsJoseph Tomkinsonhttps://www.ctco.blog/posts/csharp-and-ai-an-overview/https://www.ctco.blog/posts/csharp-and-ai-an-overview/A more detailed look at integrating AI and ML capabilities within dotnet c-sharp applications and solutions, exploring libraries, frameworks, and practical applications.Mon, 03 Jun 2024 08:00:00 GMTAILLMSMLLlamaSharpOpenAIAzure Cognitive ServicesJoseph Tomkinsonhttps://www.ctco.blog/posts/routes-into-software-development-fy24/https://www.ctco.blog/posts/routes-into-software-development-fy24/Lets take a look at the various routes into Software Development that are available to those wanting to make this their career of choice.Tue, 21 May 2024 08:00:00 GMTLearningSoftware DevelopmentLearning to CodeBecoming a developerJoseph Tomkinsonhttps://www.ctco.blog/posts/how-i-got-into-software-development/https://www.ctco.blog/posts/how-i-got-into-software-development/Let's begin with how I got into software development way back when.Thu, 09 May 2024 08:15:00 GMTSoftware DevelopmentLearningStory TimeWPFUWPNinjectDependency InjectionJoseph Tomkinsonhttps://www.ctco.blog/posts/ai-assisted-illustration-bringing-old-books-back-to-life/https://www.ctco.blog/posts/ai-assisted-illustration-bringing-old-books-back-to-life/What I learned from using AI image generation tools to create new illustrations for out-of-copyright books – the workflow, the limitations, and whether it's worth the effort.Thu, 04 Jan 2024 14:30:00 GMTAICreative ProjectsLessons LearnedJoseph Tomkinsonhttps://www.ctco.blog/posts/why-i-chose-astro-for-my-blog/https://www.ctco.blog/posts/why-i-chose-astro-for-my-blog/A quick look at why Astro became my framework of choice for content-focused sites, and the practical benefits I've seen since switching.Wed, 03 Jan 2024 14:30:00 GMTWeb DevelopmentAstroLessons LearnedJoseph Tomkinsonhttps://www.ctco.blog/posts/winui-3-a-practical-deep-dive/https://www.ctco.blog/posts/winui-3-a-practical-deep-dive/A hands-on exploration of WinUI 3 – what works, what doesn't, and whether it's ready for your next Windows desktop project.Tue, 02 Jan 2024 21:07:00 GMT.NETWindows DevelopmentArchitectureJoseph Tomkinsonhttps://www.ctco.blog/posts/fables-for-the-frivolous-ai-assisted-re-illustration/https://www.ctco.blog/posts/fables-for-the-frivolous-ai-assisted-re-illustration/Exploring the modernisation of a classic 1898 collection with AI-generated artwork, blending the charm of Guy Wetmore Carryl's fables with contemporary illustration techniques.Wed, 14 Dec 2022 10:34:00 GMTAIBooksCreative ProjectsJoseph Tomkinsonhttps://www.ctco.blog/posts/introducing-ctco-a-personal-journey-in-leadership-and-technology/https://www.ctco.blog/posts/introducing-ctco-a-personal-journey-in-leadership-and-technology/Embark on a reflective process with Coder to Corner Office (CTCO), a blog that chronicles a personal journey from software development to technology leadership.Thu, 01 Dec 2022 09:00:00 GMTIntroductionSoftware DevelopmentLeadershipJoseph Tomkinson