If you came here weighing Triplebyte for engineering hiring, you're remembering one of the genuinely good ideas in tech recruiting: judge engineers on what they can actually build, not on where they went to school. That instinct is right. The thing to know up front is that Triplebyte's original marketplace no longer runs — the assessment technology that made it famous lives on inside Karat, which acquired it in 2023. Here's the honest picture, and how to think about your options today.

Triplebyte launched in 2015 out of Y Combinator's Summer 2015 batch, founded by Harj Taggar, Guillaume Luccisano, and Ammon Bartram (Bartram became CEO). Taggar was a former YC partner, and the company carried real credibility from day one. It raised just under $50 million over its life; a 2019 round of about $35 million valued it around $135 million by PitchBook's estimate — serious backing for a hiring startup. The pitch was simple and, at the time, radical: make real-world engineering skill the most important requirement for getting a shot at a job in tech. Engineers took a technical assessment, and strong performers got introduced to companies — often skipping the resume screen entirely. Triplebyte described itself as "LinkedIn for software engineers," and it worked with names like Apple, Facebook, Stripe, and Dropbox. (Y Combinator)

The core innovation was the assessment. Triplebyte built an adaptive, machine-learning-based quiz that adjusted to each candidate in real time — the better you did, the harder and more specific the questions got, drilling into the actual engineering skills you had rather than the ones your degree implied you had. Tens of thousands of engineers took it, and that volume trained the models that made the scoring sharper over time. Two things made this genuinely valuable. First, it was blind in the way that matters: a self-taught engineer and a Stanford grad started on equal footing and were sorted by what they demonstrated. Second, it moved the screening burden off companies — the assessment did the first cut, so hiring teams saw candidates who had already proven a baseline. That's a real solution to a real problem, and it's why Triplebyte earned its reputation. (Karat)

The most important thing in 2026: Triplebyte's candidate marketplace — the "Magnet" talent network that connected engineers to companies — was wound down as of March 31, 2023, when Karat acquired Triplebyte's assessment product, content library, and team. Karat, one of the largest technical-interviewing companies, folded the adaptive assessment into its own interviewing platform. (TechCrunch) So there are really two honest takeaways. If what you loved about Triplebyte was the assessment — a rigorous, adaptive technical screen — that technology is alive and available through Karat today. But if what you needed was the marketplace — a place to actually source and hire pre-vetted engineers — that specific product is no longer operating under the Triplebyte name. The screening survived; the hiring pipeline did not, at least not in its original form.

Here's the thing about any assessment platform, even a great one: it can only score the engineers who show up to take the test. The best AI-native engineers rarely do. They're already working — booked on a contract somewhere else, heads-down on hard problems, not sitting in a pool waiting to be quizzed and matched. Nextdev reaches the top 1% of AI engineers — the ones who aren't looking. We find them where they actually are, not where they've registered. Then we prove it. We give each one a real problem to build and watch how they actually work — so you know they're AI-native because you've seen it, not because a score or a profile said so. And then we're done for you. We employ the engineer you want — one named person, on our payroll. The contract, the compliance, the paperwork never touch your desk. Triplebyte handed you a screen and left you to run the hire; we run the whole thing and hand you the engineer. You're not picking from who signed up to take a test. You're getting the engineer who never would have.

Triplebyte got something important right, and if you're building a rigorous technical screen for your own funnel, its assessment tech inside Karat is worth a serious look. Just go in knowing the original marketplace is gone. If what you actually need is a top-tier AI-native engineer sourced, proven, and employed for you — not a quiz to send your applicants — that's a different job, and it's the one Nextdev does.