Justin Mancinelli
New York City Metropolitan Area
3K followers
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About
As VP of Client Services at Touchlab, I partner with engineering leaders to navigate the…
Articles by Justin
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It is Human Error to Follow a Rabbit
It is Human Error to Follow a Rabbit
How is it possible that "88% of Security Breaches Are Caused by Human Error"? Screenshot of Linkedin newsletter…
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Don't sacrifice user experience for a better developer experience
Don't sacrifice user experience for a better developer experience
As a mobile developer, it is understandable to focus on platform fragmentation and writing UI twice as pain points. As…
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3K followers
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Justin Mancinelli reposted thisJustin Mancinelli reposted thisI started Touchlab back in 2011. What we've done at Touchlab over the years was far from static during that time, but over the past year, what I've been focused on has shifted dramatically. I, along with my partners Jeffrey Namnum, Sr, Peter Chislett, and Filip Dolník, have been deeply focused on a new direction. Today it gets its name: Ntive Labs, Inc — native mobile since 2011, AI-native since 2024. We’re the team that built Touchlab. And our first product is Parive. Parive uses deep and redundant AI analysis, pulling in multiple sources of data, to fully understand a pair of native mobile apps. If you have a product, your Android and iOS apps should "do the same thing", but figuring out if they actually do the same thing has always been a difficult task. AI dev increases velocity, so increased visibility will only become more critical. Parive provides that visibility, but also coordinates planning and fixing gaps between the apps with AI. What does that look like? We have a public preview using the open source Wikipedia iOS and Android apps. Real code, real analysis, no signup: 👉 https://lnkd.in/g99cTJQp. They're amazing analysis candidates. Most open source apps are small, clean sample apps. Wiki has been building in public for over a decade. I think it's great that they build open source (and would love to chat about the analysis if interested, Reach out!). The full launch post: https://lnkd.in/g95GuE3W We’re looking for ten design-partner teams with native iOS and Android in production. That means you can see this analysis on your code. If interested, or just have questions, there's a form on the site, or you can DM me. It's been a long road at Touchlab. Change is exciting, a bit scary, but working on this tech has been amazing. Really excited to see where it goes.
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Justin Mancinelli reposted thisJustin Mancinelli reposted thisIn 15 years of working with the best mobile teams on the planet, every single one has worried about the gap in parity between their native iOS & Android apps. Now that our engineers can all ship code even faster, that parity gap will also grow faster. For the last few months, I’ve been quietly building Ntive Labs, Inc with Kevin Galligan, Peter Chislett, and Filip Dolník. We’re building what native mobile teams need to succeed now, and our first product is Parive. Parive’s agents read both codebases and align them concept by concept: every screen, feature, and behavior, and assign a severity to each difference, traceable to the source code that proves it. We’re really proud of it. Over the coming days, we’ll all be sharing more, but you don’t have to wait! Our public preview is live right now. It’s Parive running on Wikipedia’s open-source apps. The full launch post is here: https://lnkd.in/gt2Ri86P
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Justin Mancinelli reposted thisJustin Mancinelli reposted thisAfter years of Touchlab helping the biggest teams in mobile, we’ve started something new. Today Ntive Labs, Inc comes out of stealth with Parive — see exactly where and why your iOS and Android apps have drifted. Something we're proud of on launch day: the preview isn’t a staged demo. It’s Parive running on Wikipedia’s real, open-source apps — findings and all. Anyone can inspect the analysis, no signup: https://lnkd.in/gCRcfUcF We’re looking for ten design-partner teams with native iOS and Android in production. The launch post has the details: https://lnkd.in/g-DUcTCw
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Justin Mancinelli shared thisWho else will be at droidCon in Orlando this week? Kevin Galligan and Tadeas Kriz will be on stage and Jeffrey Namnum, Sr will be at the hallway and coffee shop track ☕ 😉 A lot of exciting talks in store, here are a few that reached the top of our internal survey 📊 https://lnkd.in/gRdt5TmV #Kotlin #Android #KotlinMultiplatform #KMP #MobileAI
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Justin Mancinelli shared thisFirst time seeing the term "Cross-target code sharing" Does that mean #KotlinMultiplatform in use at Tailscale? It would make sense given how platform-native they need to be while gaining the advantage to share business logic 🤔
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Justin Mancinelli shared this"It's all Kotlin now, that's so nice" - Sony’s KMP Journey: Scaling BLE & Hardware with Kotlin Multiplatform | Sergio C. https://lnkd.in/gQB_z_Sw #KotlinMultiplatform #KMP #ComposeMultiplatform #CMP #iOS #Android #Kotlin
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Justin Mancinelli shared thisHope the folks at Bose Corporation, Sonos, Inc., Master & Dynamic, etc are watching this. But not just #AudioTech, really any connected hardware product with companion apps, #MedTech, #FitTech, #HealthTech, etc.Justin Mancinelli shared thisMy KotlinConf talk is now available on YouTube! 😃 A big thank you to everyone who came to the session and everyone I had the chance to meet during the conference. If you couldn’t make it, or would like to revisit the talk, you can watch it here: https://lnkd.in/gYV3xTZy #KotlinConf #Kotlin #KMP #ComposeMultiplatform #Sony #KotlinConf2026Sony’s KMP Journey: Scaling BLE & Hardware with Kotlin Multiplatform | Sergio CarrilhoSony’s KMP Journey: Scaling BLE & Hardware with Kotlin Multiplatform | Sergio Carrilho
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Justin Mancinelli reposted thisJustin Mancinelli reposted thisBuilding an open-source multiplatform library for the Kotlin ecosystem? The Kotlin Foundation wants to fund it. The 2026 Kotlin Foundation Grant Program for Library Authors is officially open. 🎉 It provides financial support to the developers who create and maintain the open-source libraries, tools, and frameworks that make the Kotlin ecosystem what it is. Kotlin Multiplatform projects are welcome, and this year there's a particular interest in libraries focused on AI and large language models. ✅ You keep your work. Grant recipients retain full ownership. The Foundation claims no IP or trademarks. To be eligible, your project should be: → Open-source under a permissive license, publicly available → Actively maintained, with real community engagement → Impactful, addressing a meaningful need with a clear path forward 📅 Submit before July 14, 2026. Proposals are reviewed by the Foundation's Ecosystem Committee on impact, quality, long-term sustainability, and alignment with Kotlin best practices. All the details are here 👉🏾 https://lnkd.in/eNwUnfa7 Questions? grants@kotlinfoundation.org or the Kotlin Slack channel for Kotlin Foundation. #Kotlin #KotlinMultiplatform #OpenSource #KotlinFoundation #KMP #DeveloperTools #AI
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Justin Mancinelli shared thisWhat's the gap between "Thinking of a big move to KMP" and "Making a big move to KMP" for your apps? #KotlinMultiplatform #KMP #ComposeMultiplatform #CMP #Android #iOS
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Justin Mancinelli reacted on thisJustin Mancinelli reacted on thisAfter graduating from The University of North Carolina at Chapel Hill with a degree in Computer Science and Philosophy, I am happy to announce that I have joined Tinder as an iOS Software Engineer in their West Hollywood office. First and foremost, I’d like to thank Shawn Segal and Steven Berard for guiding me through the recruitment process and for such a warm welcome. Additionally, I would not have endured the gauntlet of job searching without the support of my parents, Ben Chesser, Asim Raja, Natalie Ammerman, and Connor McMahon. I'd also like to thank App Team Carolina and its members for introducing me to the wonderful world of iOS development and their unending guidance. Go Heels!
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Justin Mancinelli reacted on thisJustin Mancinelli reacted on thisIn 15 years of working with the best mobile teams on the planet, every single one has worried about the gap in parity between their native iOS & Android apps. Now that our engineers can all ship code even faster, that parity gap will also grow faster. For the last few months, I’ve been quietly building Ntive Labs, Inc with Kevin Galligan, Peter Chislett, and Filip Dolník. We’re building what native mobile teams need to succeed now, and our first product is Parive. Parive’s agents read both codebases and align them concept by concept: every screen, feature, and behavior, and assign a severity to each difference, traceable to the source code that proves it. We’re really proud of it. Over the coming days, we’ll all be sharing more, but you don’t have to wait! Our public preview is live right now. It’s Parive running on Wikipedia’s open-source apps. The full launch post is here: https://lnkd.in/gt2Ri86P
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Justin Mancinelli liked thisJustin Mancinelli liked thisAt Droidcon USA in Orlando, I had the opportunity to speak about AppFunctions for Android and the shift toward a world where agents interact directly with our apps on behalf of users. Beyond the talk, I led a roundtable exploring what we should actually be measuring in this era of agentic engineering. The most reassuring takeaway? Nobody has fully figured it out yet. We are all experimenting, asking the same hard questions, and learning in real time. It was incredibly rewarding to reconnect with colleagues and have thoughtful conversations about these new agentic flows.
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Justin Mancinelli reacted on thisJustin Mancinelli reacted on thisAfter years of Touchlab helping the biggest teams in mobile, we’ve started something new. Today Ntive Labs, Inc comes out of stealth with Parive — see exactly where and why your iOS and Android apps have drifted. Something we're proud of on launch day: the preview isn’t a staged demo. It’s Parive running on Wikipedia’s real, open-source apps — findings and all. Anyone can inspect the analysis, no signup: https://lnkd.in/gCRcfUcF We’re looking for ten design-partner teams with native iOS and Android in production. The launch post has the details: https://lnkd.in/g-DUcTCw
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Ashok Marannan
When business leaders speak in results and engineers speak in deliverables, accountability gets lost in translation. I came across an incredible piece by James Shore this week called “The Accountability Problem.” It perfectly captures something I’ve seen play out over and over again — the gap between how businesses define accountability and how software teams actually create value. In most organizations, accountability for business teams is outcome-based — sales, customer growth, retention, pipeline health. But for software teams, it often becomes about schedule compliance: “Did we ship X by Y date?” The problem is, software doesn’t work that way. It’s not a predictable assembly line; it’s a process of discovery and iteration. When we don’t define our own accountability, someone else will — and they’ll usually measure us by deadlines and feature lists rather than value creation. A better approach is to think in terms of product bets — each with a desired outcome and an estimated value (the impact we believe it can create) and a maximum wager (how much we’re willing to invest to find out). It shifts the focus from rigid delivery to measuring, learning, and adjusting as we go. It also pushes us to improve forecasting and understand value vs. non-value work — how much of our time truly moves the business forward versus what just keeps the lights on. That kind of transparency builds trust and makes engineering’s impact visible in business terms. I’ve lived through the classic “when will you finish?” conversation many times. And it’s often because we haven’t clearly shown how our work connects to business value. The path to real accountability isn’t in perfect estimates — it’s in owning outcomes, making smarter bets, and demonstrating how software changes the business's trajectory. Give it a read: https://lnkd.in/g3zk98NZ #EngineeringLeadership #ProductThinking #ValueCreation #SoftwareDevelopment #Agile #Accountability #BusinessAlignment #TechLeadership #ContinuousImprovement #MeasureLearn #ProductManagement
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