They are building systems that help companies understand and control how they appear in AI-driven search experiences.
As a Backend Engineer, you will build and optimize the infrastructure behind these systems.
You will design scalable APIs, process large datasets efficiently, and ensure high-performance systems that support AI-driven insights.
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
Proficient in Python or Rust, with experience in scalable backend architecture.
Node.js is a plus.
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
Adaptable 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.
Adaptable 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.
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📌 Staff/Senior Backend Engineer (Buenos Aires)
🏢 thaia®︎
📍 Buenos Aires