Backend Engineer: Ranking

## About the Team Launched in 2019, Constructor is an AI-first ecommerce search and discovery platform that helps shoppers find the right products at the right time and enables leading global e-commerce brands to drive meaningful revenue and conversion gains. As a member of the Ranking team, you will improve the e-commerce experience for hundreds of millions of users across the world by designing, delivering & maintaining high-load real-time web services in close collaboration with other great engineers from the Ranking team. The job can consist of, but is not limited to: - Build, deploy, and support robust high-load machine learning-based real-time systems for search and browse experiences. - Collaborate with technical and non-technical business partners to develop and update ranking functionalities - Develop Ranking Platform for internal users (DS and MLE mostly) - Optimize current ranking service performance to process requests faster - Optimize signals delivery and retrieval (aka Feature Store) for machine learning model inference - Communicate with stakeholders within and outside the team ## Requirements ### Hard skills: - Experience in designing, developing & maintaining high-load distributed real-time services (in cloud) - Proficiency in Infrastructure as Code (IaC) tools like CloudFormation or Terraform for managing cloud resources. - Experience with MLOps is a huge plus (delivering, loading, and serving ML models and related infrastructure) - Hands-on experience with setting up and improving CI/CD pipelines - Proficiency with Python and, as a plus, compiled languages like C, Rust, or Go. - Experience in server-side coding for web services, and a good understanding of API design principles. - Experience with NoSQL and relational databases, distributed systems, and caching solutions. - Experience with any of the major public cloud formation: AWS (ideally), Azure, GCP ### Soft skills: - Experience collaborating in cross-functional teams. - Excellent English communication skills. ## Benefits - 🧠 Work with smart and empathetic people who will help you grow and make a meaningful impact. - 🎉 Regular team offsite events to connect and collaborate. - 🌎 Fully remote team - choose where you live. - 🏝️ Unlimited vacation time - we strongly encourage all of our employees take at least 3 weeks per year. - 🛋️ Work from home stipend! We want you to have the resources you need to set up your home office. - 💻 Apple laptops provided for new employees. - 🎓 Training and development budget for every employee, refreshed each year. - 👶 Maternity & Paternity leave for qualified employees. - 💵 Base salary: $80k–$120K USD, depending on knowledge, skills, experience, and interview results - 📈 Stock options - offered in addition to the base salary ## Diversity, Equity, and Inclusion at Constructor At Constructor.io we are committed to cultivating a work environment that is diverse, equitable, and inclusive. As an equal opportunity employer, we welcome individuals of all backgrounds and provide equal opportunities.