Staff Software Engineer

On behalf of our Client - a highly profitable, US-headquartered scale-up in the Cybersecurity and Threat Prevention space. They build real-time platform security solutions that protect global digital platforms from fraud, account abuse, and automated attacks. Their architecture processes high-throughput API traffic under stringent low-latency requirements, combining backend scalability engineering with intuitive product UI/UX and developer-first design.

• 6+ years of commercial software development experience, ideally within SaaS, fintech, or high-growth product companies.
• Strong experience with Ruby on Rails or deep expertise in Node.js with ability to transition quickly into a Ruby environment.
• Proven track record of shipping scale-ready, public-facing APIs optimized for developer consumption.
• C1+ fluent written and spoken English for collaboration in a distributed team.

• Architect and deliver end-to-end features using a tech stack centered on Ruby on Rails, Angular, and AWS.
• Design and optimize public-facing APIs focused on developer ergonomics, efficiency, and reliability.
• Drive continuous quality through thorough code reviews, architectural discussions, and technical mentoring.
• Work autonomously and make technical decisions that shape the platform's trajectory.

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