Companies

Xaira Therapeutics
Xaira Therapeutics is developing biological foundation models (not LLMs) to hit undruggable targets and cure disease. Not a SaaS company; the goal is to deliver medicines to patients. The team combines pharma veterans, AI scientists from Nobel laureate David Baker's lab, and engineers from tech to reimagine how drugs are made.
See 4 careers from Xaira Therapeutics

Xata
Xata is a platform that lets developers create instant branches of their Postgres databases using anonymized production data. It replaces traditional, shared staging environments with isolated, fast, and secure database copies, so every developer or AI agent can work safely on real data without risking production.
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Xeotek Inc.
Xeotek is building the first native Data Streamhouse – an enterprise platform that unifies real-time data streaming, analytics, governance, and infrastructure monitoring. It empowers platform teams to simplify operations, run their data streaming environments reliably, securely, and compliantly, and increase developer adoption—across every cluster and environment.
See 1 career from Xeotek Inc.

Xledger
Xledger is a cloud ERP system that gives customers better control of their businesses.
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Xpertly
Seed-stage company, backed by top-tier investors. CTO is former YC co-founder. Founders previously built and sold startup so fewer dumb mistakes this time around.
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Y Combinator
Y Combinator provides unprecedented insight into how companies are started, offering software tools to help founders build their companies. The company has a small engineering team full of full-stack software developers who talk to users, ship fast, and iterate often.
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YASO
We power social commerce success for the most successful European D2C beauty and personal care brands in China, the world’s largest ecommerce market. Our solution allows brands to sell through and analyse multiple ecommerce marketplaces with just one integration. We've built out the China side of our solution and are now hiring a full stack developer in our European team to help take our brand portal to the next level. We're at seed stage but are smashing our metrics and getting ready for a series-A later this year.
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YCharts
We're an investment research and proposal generation platform that leading RIAs, asset managers, and broker-dealers use to transform complex financial data into clear visuals and actionable insights.
See 2 careers from YCharts