Flint is on a mission to bring life-saving therapeutics to market faster by accelerating clinical trial operations. We're building an end-to-end operating system for sites, the medical facilities that interface with patients and generate critical research data.

Fliplet is an AI-led software creation platform helping organizations build secure mobile and web applications faster. We help enterprise teams move from idea to production-ready software using AI prompts while maintaining the governance, security, and control required for business use.

Float is a tech startup founded by mathematicians with a bold vision: to build real-time vector embeddings that capture the instantaneous state of the world's financial markets. We aim to reflect every market, every supply chain, and every relevant piece of financial data. Our tech will combine cutting-edge AI/ML techniques with real-time processing of streaming data.

At Float, we're building capital markets infrastructure that matters. Our AI-native platform is tackling decades-old inefficiencies, creating technology that enables financial institutions to interact seamlessly and automate intelligently. Based in SoHo, New York and backed by top-tier venture investors, we're a team of engineers, designers, product managers, quants, and market experts shipping elegant solutions to complex problems. We move fast, care deeply about building things right, and work directly with our users to deliver products that transform how markets operate.

Flock Safety builds situational awareness technology that powers public safety and investigation workflows through geospatial analytics and real-time proximity insights. As the company expands its national footprint, roles focus on architecting scalable spatial indexing and data pipelines to enable authorized users to monitor assets, connections, and contextual movement.

Flok Health is building explainable AI-powered physiotherapy solutions at scale, combining a custom decision engine with interactive streaming video over WebRTC and internal tools to deliver high-quality care. They partner with national healthcare systems to provide high-quality care that patients love. They are expanding their infrastructure and product footprint over the next 18-24 months, maturing software, generalising as they treat more clinical conditions, and growing their internal tooling. They hire generalist engineers and value ownership and responsibility; core stack includes Python, Rust, and TypeScript.

Floryn is a fintech company providing fast and easy access to credit for small and medium-sized businesses, operating like a bank but without the bureaucracy.

Flotive is building an AI-powered platform to reshape the grid. We help energy developers identify buildable sites and manage regulatory complexity so power generation and large loads (such as data centers and manufacturing facilities) can come online faster.

We're helping teens and families get the mental health support they deserve. Many of our families are on Medicaid and/or in foster care. We build tech that powers care in the real world - apps for our staff (guides, therapist, psychiatrists, ops) and for the families we serve. We're mission-driven, moving fast, and grounded in the belief that thoughtful software can genuinely change lives.

Flow Traders is a leading proprietary trading firm with an entrepreneurial and innovative Tech culture at the heart of its business. We are looking for Research Engineers in our Hong Kong office. Join us to build and scale the research framework behind our systematic trading models. You’ll work closely with Quantitative Researchers, drive end-to-end ML pipelines, and shape global standards for data-driven model development. Research Engineers have joint responsibility for conducting research and delivering models.