Operating Systems Jobs

Portofino Technologies is a digital-asset liquidity provider. It offers market making, OTC trading, and treasury-management services for exchanges, blockchain projects, investors, institutions, and venture funds.

Bitdeer is a NASDAQ-listed (BTDR) high-performance computing and Bitcoin mining company headquartered in Singapore. It provides end-to-end Bitcoin mining solutions (mining hardware like SEALMINER, Minerbase containers, cloud mining, hosting, and mining farm/data center operations) as well as AI Cloud services offering GPU compute (NVIDIA GB200 NVL72, B200, H200, H100) for AI training and deployment. Its customers range from individual and institutional Bitcoin miners to enterprises and developers needing scalable AI/ML compute infrastructure.

Molten Ventures (formerly Draper Esprit) is a European venture capital firm that has spent twenty years backing founders and innovators driving Europe's technology transformation. It invests capital alongside experience, energy, and partnership to help visionary technology companies scale, serving high-growth startups and scale-ups across Europe.