Johannes "Lockhead" Koch
@lockhead.dev
📤 744
📥 133
📝 440
Builder, CI/CD and AWS enthusiasts, AWS DevTools Hero, creator of
https://www.youtube.com/@cicdonaws
pinned post!
In his keynote
@werner.social
social said „Now go build“ and as we take Bias for Action serious, we built
listen-to-the-heroes.com
. Thanks
@hoegertn.de
@pgarbe.bsky.social
@osterjour.bsky.social
@abjoerne.bsky.social
@monica.aws-he.ro
for making this possible!
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Listen to the AWS Heroes
As Werner said at his AWS re:Invent Keynote 2024 - Listen to the AWS Heroes
https://listen-to-the-heroes.com
over 1 year ago
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Story time: A colleague once spent 6 months trying to fill a senior cloud role. €10K in recruiter fees. Dozens of mismatched interviews. Then they sponsored a community event. Met their perfect hire during a hallway conversation. Person wasn't even actively looking. AWS Community Day DACH creates
about 24 hours ago
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Real talk from the organizing team: We have 3 months left for speaker submissions, and honestly? We're hoping YOU submit. Yes, you. The person thinking "my talk isn't good enough" or "someone else probably already covered this." Here's the truth - your perspective is unique. Your implementation
1 day ago
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🚀 Check out Nexus Share: Automate posts across social media with AI enhancement Launched on @peerpush_net:
https://lckhd.eu/iAM54a
#BuildInPublic
9 days ago
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6 months running Nexus Share on AWS serverless taught me: 💰 CloudWatch still #1 cost (40%) ⚡ 130+ Lambda functions = complex but scalable 🔄 CI/CD time is the real bottleneck 📊 DynamoDB on-demand perfect for variable traffic Building for scale from day 1 pays off. #AWS #Serverless
9 days ago
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Just shipped an open-source mobile UI for AWS Kiro Autonomous Agent. Here's what I learned: 1️⃣ It's becoming TOO EASY to reverse-engineer applications Used HAR files + OAuth flow analysis to understand the backend API 2️⃣ Three months in agentic coding = a decade of 🧵
10 days ago
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Slowly my portfolio of apps on TestFlight is growing. all apps built by me and Kiro ❤️ #BuildInPublic
11 days ago
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Hot take: The best developers aren't browsing job boards—they're at community events. 🚀 AWS Community Day DACH = hundreds of engaged cloud professionals in one place. Sponsor the event. Support the community. Meet your next hire. It's that simple.
https://lckhd.eu/FE4ZI5
#AWSCommunityDay
14 days ago
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You have valuable ideas to share. You just don't have hours to spend on social media logistics. That's exactly why Nexus Share exists. We built an AI-powered platform that makes professional-grade social media management accessible to everyone: • Entrepreneurs launching their brand •
16 days ago
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oh no 🙂↕️ productivity loss for me as a MacBook Pro user - my touchid finger is not available 😞😞😞 Did that happen to you before? How did you workaround that?
16 days ago
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After 60+ days with Kiro autonomous agents, I've hit an interesting plateau: ✅ Speed gains plateaued at 3x 🧠 Context switching across agents is MY bottleneck now 🔍 Architecture decisions matter more than ever The future isn't autonomous agents—it's AI teammates that learn YOUR
17 days ago
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OK, this is pretty cool! Apple and Google approved updates for my two apps in the different stores within less than 20 hours! #BuildInPublic #vibecoding #agenticdevelopment Nexus Share v1.0.225 UX improvements, calendar view, new AI options, ... 🧵
18 days ago
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One of these PRs that make me sad and remind me of my early engagements as a #ContentCreator
https://lckhd.eu/TIRCoH
Don't forget, "How to migrate away from 🧵
19 days ago
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YouTube is weird some times... As a few of you might know and remember I've been running a YT channel for a while - I've shifted focus a bit, but the channel is still going. Today I looked at analytics again and I saw that this video is going 🧵
19 days ago
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Building platform engineering teams at scale is fascinating. At FICO, we're looking for Lead/Principal engineers who understand: → Self-service developer experiences → ArgoCD/Crossplane patterns → Blameless culture What makes a great platform engineer in 2026? 🤔 #PlatformEngineering #DevOps
19 days ago
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Scheduling your social media posts simplifies my day-day-day as I can plan posts way in advance. But... ...the planning of the posts cannot and should not replace interactions on the different platforms. Nexus Share is not meant to replace them but to augment them and 🧵
19 days ago
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I think it's a good sign if one of your users uses the product you have built more than you do yourself, right? Darryl will soon take over position number #1 in our leaderboard as he has been REALLY active in the past few weeks. Check out the 🧵
21 days ago
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What do you think influences the growth of the product you are building more… 1) feedback of your users 2) price 3).showing your face in a social media post 4) missing out #KubeCon tell me what you think and then head over to nexus-share.com and create your account 🙃🫶 #BuildInPublic
22 days ago
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After interviewing platform engineering candidates at FICO, I've noticed a pattern: The best engineers don't just know Kubernetes/ArgoCD/Crossplane—they understand WHY platform engineering exists. It's about developer experience, not just infrastructure. What's your take?
23 days ago
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Use your own tools every day. Nexus saves me time every day. 🚀 You can also try it out. Go to
https://lckhd.eu/XJYFkh
and sign up. #BuildInPublic #ProductivityTools #SaaS
24 days ago
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Saturday. Time to rest and spend time with the family. 🧡 SaaS projects continue to grow in the background if you are lucky. 🍀 Have a great and relaxing weekend everyone 🧚♀️🔥❤️ f u need a tool to spread and schedule your social media stuff use 🧵
24 days ago
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Do you have access to the Kiro Autonomous Agent? Are you fed up of trying to use the UI from your mobile define but would like to be productive? If that's the case, I might have a solution for you - unfortunately it only works right now if you are using the "Builder 🧵
25 days ago
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Question: What do you get when you combine AWS obsession, DevOps practices, AI experimentation, and a commitment to radical transparency? Answer: A blog that's basically my technical diary. lockhead.info is where I share: → Building mobile apps with AWS → Wrestling 🧵
27 days ago
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Look at that, I leared something about myself today - Nexus Share gave me tone and voice of the last posts that I've created on social media! And you can see on this page that there have been a few :-)
https://lckhd.eu/6Y4gjP
#BuildInPublic #SocialMedia
27 days ago
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Now deploying to production of Nexus Share: The possibility for our users to set up the writing tone and voice for the AI assists that are currently available. And of course, also an option to propose something to for you based on your last 30 days of posts!
27 days ago
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Yesterday someone on X asked me a few things on the architecture of Nexus Share, so I added a new section to the landing page with a few details around the architecture and especially on how we handle #OAuth2 tokens for the different networks! Do you think I should add 🧵
28 days ago
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The cloud landscape is evolving rapidly. Are your skills keeping pace? ⚡ Discover @lockheadcloud on YouTube - where cutting-edge cloud technology meets practical implementation. 📚 What you'll learn: • Advanced AWS services and architecture patterns • Kubernetes deployment strategies • DevOps
29 days ago
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Sunday stats for Nexus Share: 100 registered users and 62 installs of the mobile app. web and mobile have feature parity btw. thanks to Flutter
30 days ago
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reposted by
Johannes "Lockhead" Koch
Yasunori Kirimoto
about 1 month ago
Updated the AWS Heroes Map! 🗺️ Added cluster functionality to group nearby Heroes, plus a refreshed UI for a cleaner look.
heroes.dayjournal.dev
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Remember when cloud computing felt overwhelming? The terminology, the platforms, the endless configuration options... it can be intimidating. That's exactly why channels like @lockheadcloud exist. 💡 This YouTube resource breaks down complex cloud concepts into 🧵
about 1 month ago
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Aiming for perfection is the enemy of #BuildInPublic and startups. What bugs did you recently ship that you knew and are proud of? #Startup #SoloEnterpreneur
about 1 month ago
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Looking to level up your cloud computing knowledge? 🚀 Check out @lockheadcloud on YouTube - your comprehensive resource for cloud architecture, DevOps practices, and modern infrastructure solutions. From AWS deep-dives to Kubernetes tutorials, containerization strategies to CI/CD pipelines, this
about 1 month ago
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As a builder, engineer or creator - something that makes you happy is if you see that the "little thing" that you built is being used by "someone". Now, Darryl is soon taking over the Leaderboard of Nexus Share. This REALLY makes me happy. Thank you Darryl!
about 1 month ago
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I knew that it would be complicated to make Nexus Share available in the Apple App Store AND in the Play Store... but what I didn't know... ...is that if you want to publish content on the different social networks, you also need to get your OAuth applications approved 🧵
about 1 month ago
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I'm curious - are you in a platform engineering organization right now? What are - from your perspective - the most important parts of Platform Engineering?
about 1 month ago
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I always talk about "two different characters" when I introduce myself - but since I started building Nexus Share it feels like things changed again...
about 1 month ago
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💡 Hot take from the latest AI & DevOps discussion: The biggest competitive advantage for indie developers isn't your AI tools or your architecture—it's your willingness to build in public. Here's why: 🔍 Transparency attracts better feedback 🤝 Open development builds community trust ⚡ Public
about 1 month ago
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Happy sunday, #AWSDevelopers! Are you working on something technical today? I'm actually resting, but still claiming up the leaderboard on Nexus Share with this post! You should really have a look on this tool - it's fully on #AWS and I've learned so much from building
about 1 month ago
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📊 Strategic Takeaways from AI & DevOps Discussion with Johannes Koch The conversation around "vibe coding" vs. enterprise architecture reveals a critical inflection point for tech leaders: ✅ AI is accelerating development cycles dramatically ✅ Traditional architecture patterns still matter ✅ The
about 1 month ago
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🚀 I recorded this podcast with Niklas on AI's impact on DevOps! The debate between "vibe coding" (rapid AI-assisted development) and enterprise architecture isn't about choosing sides—it's about finding balance. Key insight: Building in public means being transparent about both the speed AND the
about 1 month ago
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Hello world, Instagram! Nexus Share now should be supporting Instagram :-) If this post pops up, it would be my first instagram post ever!
https://lckhd.eu/ZXnXy5
#BuildInPublic
about 1 month ago
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From X-only to 5 platforms in 90 days 🚀 Nexus Share now supports: ✅ X/Twitter ✅ LinkedIn ✅ Bluesky ✅ Threads ⏳ Instagram (almost there!) Each integration taught me something about API design & OAuth flows. What's YOUR biggest integration challenge? #BuildInPublic #SaaS
about 1 month ago
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I am a strange solo-founder: on Sundays I usually take a break from building and marketing. What about you? My own tool helps me with scheduled posts to still be consistent. try it - and have a great Sunday ❤️🫶🔥
https://lckhd.eu/zW1EBI
#SoloFounder #SocialMediaMarketing
about 1 month ago
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I have been talking about getting Instagram support added to Nexus Share to make Julis happy and unfortunately I did not yet finish the setup. I am not sure if it’s „me“ problem or a Meta config issue and I don’t know 🤷♂️ what to do. If you have an App setup that uses OAuth to authenticate
about 1 month ago
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Our user-profiles now also include a "post activity" graph! Check it out here:
https://lckhd.eu/gsJ6xZ
#ProductDevelopment #UserInsights #Innovation #BuildInPublic
about 1 month ago
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Hello World! If this post reaches Threads, X, LinkedIn and Bluesky I have successfully activated "Threads" support for Nexus Share (@nexus_share) #BuildInPublic #TestingInProduction Try it here:
https://lckhd.eu/gWTDZM
about 2 months ago
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Cool things are coming - Deploy on a Friday! Currently in progress - soon available on @nexus_share: Threads, UX improvements and "activity graph" #BuildInPublic
about 2 months ago
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Looks like Friday 28th of february will be a "bigger launch date" for Nexus Share as testing is going really well so far! Excited to hopefully launch support for YouTube, TikTok, Threads and Instagram sooooon. If you'd like to beta-test these networks, please reach out to me ASAP! #BuildInPublic
about 2 months ago
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Nexus Share just got a few updates! Some of them are still "behind the scenes", but we're getting somewhere. Already available: - New possibilities to decide about "Threads" (when and how posts are being broken up) - Virality Check (AI feature) - Updates for tooling behind the scenes for
about 2 months ago
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What's the difference between a vendor-led conference track and a community-organized one? Everything. The AWS Community Lounge at AWS Summit Hamburg 2026 is organized entirely by AWS user groups from the DACH region. That means: ✅ Real practitioners sharing real solutions ✅ Peer-to-peer
about 2 months ago
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My GitHub contributions are up 27% over the last 6 months #BuildingInPublic
https://lckhd.eu/sh2oM8
about 2 months ago
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