Backend Engineer: Ranking

Join Constructor as a Backend Engineer to design and maintain high-load real-time services for an AI-first ecommerce platform.

Fully remote with competitive salary and benefits.

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.

## What you'll do

• •Design, build, and maintain high-load distributed real-time services in cloud environments.
• •Collaborate with cross-functional teams to improve ranking functionalities and internal tools.
• •Optimize performance and signal delivery for ML model inference.
• •Communicate with stakeholders to align on requirements and deliverables.

## Conditions

• •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

### 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.