Born from 15 years of helping teams review software changes and a belief that AI can deliver higher-signal review wherever engineers work.
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To give every developer access to thoughtful, expert-level software review feedback wherever work happens.
Whether you're shipping solo or with a large team, get review feedback that helps code move with confidence across PRs, desktop, and beyond.
High-signal review in seconds, clear next actions, and proactive follow-through without waiting in a queue.
Every review is an opportunity to learn. Our AI explains the "why" behind suggestions, helping you level up as a developer.

I've been reviewing software changes for over 15 years. From small startups to large engineering teams, I've seen the same challenges repeat: bottlenecked reviews, inconsistent feedback quality, and junior developers left waiting for guidance.
At Nango, I experienced this at scale—hundreds of review requests flowing in from our open source community and internal developers. Some changes were brilliantly architected. Others needed guidance that just wasn't available fast enough. I watched great work languish while waiting for review, and saw developers make the same fixable mistakes repeatedly.
That experience crystallized something for me: every developer deserves access to thoughtful, expert-level software review—not just those lucky enough to work with senior engineers who have time to spare.
My Senior Dev is my answer to that challenge. It's the review agent I wish I'd had—one that catches bugs, suggests improvements, explains the reasoning, and stays close to the work. One that helps junior developers grow and gives senior developers their time back.
Join teams using MSD for higher-signal review, proactive attention, and clearer next actions wherever they work.
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