We build the infrastructure that makes artificial intelligence not just smarter, but operationally transformative — from the ground up, for enterprises that refuse to compromise.
Every letter in ClexerI stands for a core engineering principle — not a buzzword, but a verifiable design pillar baked into every system we ship.
Four interlocking products. One coherent stack. Deployed together or independently.
Every inference output can be decomposed into a verifiable logical tree, with each node traceable to the source token span that produced it. Mandatory for regulated industries. Unique to ClexerI.
Deploy entirely within your own VPC. ClexerI operates a zero-egress architecture option where no data ever touches our infrastructure — full model weights, inference, and logging remain in your perimeter.
Our 2M-token context window is powered by sub-quadratic attention complexity — not a marketing claim with asterisks. Benchmarked at 2.3× cheaper per token than naive full-attention at equivalent context lengths.
Blue-green model swaps with automated canary promotion. Shadow inference testing before any production switch. Average deployment time: 8 minutes from commit to live. No maintenance windows. Ever.
Compliance isn't an add-on here. Every system component was architected with regulatory requirements as first-class constraints — not retrofitted. We pass legal review in healthcare, finance, and federal government contexts.
Text, structured data, images, audio transcripts, and code — all as unified first-class input types. A single NEXUS workflow can reason across a recorded call, its CRM record, and three attachments simultaneously.
Larry "Lucas" Errett founded ClexerI Technologies two years ago with a single conviction: that the enterprise AI market would eventually demand infrastructure it could actually trust — and that nobody was building it correctly. Starting from a sparse-attention research prototype and a whiteboard full of architecture diagrams, Lucas bootstrapped the company's first product to paying customers within seven months, raising a pre-seed round shortly after.
In two years, Lucas has taken ClexerI from zero to a multi-product AI infrastructure platform processing over a million API calls per day, serving enterprise clients in financial services, healthcare technology, and logistics — and achieving SOC 2 Type II certification without external compliance consultants. He has personally designed core components of the APEX inference engine, authored the ReasonChain™ patent applications, and built the engineering team that now ships across four product lines simultaneously.
Lucas operates on the belief that enterprise AI's biggest unsolved problem isn't capability — it's operational trust. Every product decision at ClexerI flows from that principle. He is currently leading the company's Y Combinator application for the Winter 2026 batch.
We're a small team that ships fast and cares deeply about correctness. If you want your work to matter at every layer of the stack, you're in the right place.
Full-Time · Remote (US/EU) · $180K–$240K + equity
Full-Time · Remote-First · $160K–$210K + equity
Full-Time · Hybrid (NYC / SF) · $130K–$170K + equity
Full-Time · Remote (US) · $170K–$220K + equity
Full-Time · Hybrid (SF preferred) · $160K–$200K + equity
Full-Time · Remote · $120K–$155K + equity
ClexerI Technologies has spent two years proving the core thesis: enterprise AI deployments fail not because the models aren't good enough, but because the infrastructure around them is fragile, opaque, and compliance-hostile. We've solved that problem. APEX, NEXUS, DELTA, and PRISM form a complete, production-hardened AI operating environment — and our early enterprise clients are showing us exactly how much room there is to run.
We're applying to YC Winter 2026 because scaling this company from 12 enterprise clients to 1,200 requires more than great engineering — it requires the network, the market credibility, and the compressed growth timeline that only YC's program delivers. We're not applying for validation. We have the product, the metrics, and the mission. We're applying for velocity.
If you're an investor, enterprise buyer, or potential co-applicant reference who has worked with ClexerI, Larry Errett is personally coordinating reference conversations ahead of the submission deadline.