Join Collective to develop cutting-edge machine learning models and robust backend systems for Astra, an AI-powered hotel search engine revolutionizing travel discovery. This role offers the chance to work on ambitious projects that blend AI innovation with scalable software architecture in a dynamic remote environment.

At Collective, we're building Astra, an ambitious AI-powered hotel search engine that's set to transform how travelers find and book their perfect stays. As a Machine Learning and Backend Engineer, you'll play a pivotal role in enhancing our platform's intelligence and performance. Your responsibilities will include designing and implementing ML algorithms to personalize search recommendations, optimize pricing predictions, and improve user experience through natural language processing and computer vision for hotel imagery. On the backend side, you'll architect scalable services, manage data flows from various travel APIs, ensure high availability, and integrate seamlessly with frontend applications. You'll work closely with data scientists, frontend developers, and product managers in a remote-first team, contributing to every stage from ideation to deployment. This position is ideal for engineers passionate about AI applications in e-commerce and travel, offering the autonomy to innovate within a supportive, growth-oriented company. With Astra's potential to disrupt the $1 trillion travel industry, your work will have real-world impact, helping millions discover hotels that match their unique needs.

• Proven experience in machine learning, including model development, training, and deployment using frameworks like TensorFlow, PyTorch, or Scikit-learn
• Strong backend development skills with languages such as Python, Java, or Node.js, including API design, database management (SQL/NoSQL), and microservices architecture
• Familiarity with cloud platforms like AWS, GCP, or Azure for ML workflows and backend scaling
• Experience integrating ML models into production backend systems, with knowledge of data pipelines and real-time processing
• Bachelor's or Master's degree in Computer Science, Data Science, or a related field
• Excellent problem-solving abilities and ability to collaborate in a fast-paced, remote team setting

• Fully remote work with flexible hours to support work-life balance
• Competitive monthly salary with performance-based bonuses
• Opportunities for professional growth through conferences, training, and skill development in AI and backend technologies
• Health and wellness benefits, including comprehensive medical coverage and mental health support
• Collaborative, innovative culture with access to the latest tools and resources
• Generous paid time off and remote work stipend for home office setup