Staff/Senior Backend Engineer

Staff/Senior Backend Engineer A fast-scaling B2B SaaS company headquartered in New York, they're building a world-class engineering team in Manhattan and Buenos Aires to solve one of the most ambitious and high-impact problems in enterprise AI. They are on a mission to help companies understand and control their AI presence. They just closed a $180M Series D led by Sequoia Capital to build the platform companies rely on to understand and control their AI presence—pioneering Answer Engine Optimization and marketing to superintelligence. What you’ll do Architect and develop high-performance backend systems that support AI-driven analytics Build and maintain scalable APIs to power real-time insights and data retrieval Optimize data processing pipelines to handle large-scale structured and unstructured data Ensure system security, performance, and reliability across the stack Work closely with front-end engineers and data scientists to deliver high-impact features Own key technical decisions, balancing speed with long-term maintainability Who you are A strong portfolio or GitHub showcasing backend development expertise Experience in Python or Rust, open to other backend stacks with experience in scalable backend architecture. Deep understanding of databases such as PostgreSQL, MySQL, or OLAP systems, including query optimization Experience designing efficient data pipelines and working with distributed systems Familiarity with cloud infrastructure (AWS, GCP, or Azure) and containerization (Docker, Kubernetes) Strong grasp of security best practices, API authentication, and performance tuning Comfortable in a fast-moving, high-performance startup environment. Location This is an on-site role, designed for builders who thrive on speed, iteration, and meaningful impact. The total compensation package is designed to be competitive and includes base salary and a full range of benefits and perks. Final compensation will depend on factors such as your skills, experience, qualifications, and location, and will be determined during the interview process. Benefits & Perks Flexible equipment: Laptop and office setup covered so you can work the way you work best. Food & transport: Meals and rides home covered on late nights. $150 USD/month wellness stipend: Spend it on fitness, gear, or whatever keeps you at your best. Flexible PTO: Vacation within normal ranges, taken when it makes sense for you and the team. Occasional travel: Some trips are part of the role — fully covered when they come up. Relocation support: Full relocation package available, including for candidates moving from other states. If this role aligns with your background and interests, they'd love to hear from you. Department Engineering Role Staff Back End Engineer Location Buenos Aires About Thaia Boutique recruiting agency specializing in sourcing, selecting, and placing top-tier tech talent for companies across Latin America. Applicant tracking system by Teamtailor