Castleton Tower is a boutique consulting firm founded by executives who have built and led quantitative research, data science, and technology teams at top-tier hedge funds and asset managers. They work with investment management firms to modernize …

Strix is building the largest open-source AI pentesting framework. The role is for a founding engineer to help take a 0→1 journey and own the architecture of an already-at-scale product. You will work across infrastructure, product, and research too…

Zenskar is an AI-native revenue automation platform built to handle real-world complexity. We raised $15M in Series A funding in April 2026. We’re hiring a Senior Backend Engineer to design and build core platform systems where correctness and relia…

We’re helping businesses get off the ground by enabling them to focus on running their business. At JustWorks, we tackle complex HR challenges so our customers don’t have to. We’re a data-driven team that’s constantly iterating and improving, and we…

Saildrone is the world’s leading operator of uncrewed surface vehicles (USVs), providing persistent in situ data from challenging ocean environments. The company works with global navies, governments, and scientists to deliver maritime domain awaren…

MiXCR is a standard for immune analysis used in thousands of papers. Platforma provides interoperable bioinformatics blocks for biologic discovery used by top pharma companies. The role is for a Senior Software Engineer to help build discovery pipel…