Backend Engineer [Ranking]

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