ConstructorCO

Backend Engineer - Ranking Team

Turn more ecommerce searches into sales with Constructor.

Constructor

Employee count: 201-500

Salary: 90k-110k USD

Spain only

About the Team

The Ranking team, within the Machine Learning chapter, plays a central role in implementing algorithms that optimize for business KPIs like revenue conversions. We focus on metrics over features, arming our ranking algorithms with powerful capabilities that bring value to customers in the way they care the most about.

As a member of the Ranking team, you will be surrounded by and encouraged to use world-class analytical, engineering and machine-learning techniques on big data to shape the evolution and scale of our ranking algorithms. The team owns all stages of products ranking for Search, Browse, and Autocomplete experiences, including base ranking, second-stage ranking, and ranking explanation.

One of the main services the Ranking team owns is the ML Ranking Service which is a high-load distributed REST service deployed in the cloud and developed in Python programming language. The service extensively uses in-memory and NoSQL DBs (for signals and model metadata storage). We support service deployment and stability. We have monitoring set up with Prometheus, PagerDuty, Sentry, and custom internal APIs with FastAPI).

Challenges you will tackle

A primary focus of this job is to design, deliver maintain highload 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
  • 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.
  • Skilled in setting up and managing observability tools like Prometheus, Grafana, and integrating alert systems like PagerDuty.
  • Familiarity with Service-Oriented Architecture, knowledge of communication protocols like Protobuf familiarity with networking 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.
  • Enjoy helping others around you grow as developers and be successful
  • Pick up new ideas and technologies quickly, love learning and talking to others about them
  • Love to experiment and use data and customer feedback to drive decision-making

Benefits

  • Compensation: base range of 90-110k USD + stock options + work from home bonus
  • Fully remote team - choose where you live
  • 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
  • Parental leave for qualified employees
  • Work with smart people who will help you grow and make a meaningful impact

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 to all applicants regardless of their education, diversity of opinion, race, color, religion, gender, gender expression, sexual orientation, national origin, genetics, disability, age, veteran status or affiliation in any other protected group. Studies have shown that women and people of color may be less likely to apply for jobs unless they meet every one of the qualifications listed. Our primary interest is in finding the best candidate for the job. We encourage you to apply even if you don’t meet all of our listed qualifications.

About the job

Apply before

Posted on

Job type

Full Time

Experience level

Mid-level

Salary

Salary: 90k-110k USD

Location requirements

Hiring timezones

Spain +/- 0 hours

About Constructor

Learn more about Constructor and their company culture.

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Turn more ecommerce searches into sales with Constructor. Constructor’s AI-powered search and product discovery platform delivers unmatched KPI optimization and fast ROI for enterprise ecommerce brands — while giving customers a personalized, enjoyable shopping experience.

Endless opportunities for growth. Constructor is a fast-growing startup with opportunities around every corner. It’s the perfect place for someone looking to grow their career, expand their horizons, and learn new things.

Solve challenging problems with innovation. Search provides a rich, fascinating set of problems to solve. Whether it’s developing back-end algorithms or discussing our customer’s pain points in sales calls, we get to spend our days tackling some of the world’s most fascinating challenges.

Diverse and inclusive workplace. We are committed to cultivating a work environment that is diverse, equitable, and inclusive for people of all backgrounds. We provide equal opportunities to all applicants regardless of their education, diversity of opinion, race, color, religion, gender, gender expression, sexual orientation, national origin, genetics, disability, age, veteran status, or any other protected group. Our internal Diversity and Inclusion ERG provides a space for team members of any and all backgrounds and experiences to connect.

Our core values

We get to the right answer empathetically. We strive to get to the right answer, regardless of who proposed it. We make it easy for others to be able to accept our idea without losing face or hurting ego.

We’re passionate in owning our work and making it have an impact. We care that what we create gets seen by the world. We ask for help, follow-up, hustle until it’s in front of users. We take initiative, even when we think someone else should do it. If we find something we don’t like, we make it better.

We enjoy what we do. We love the problems we get to solve. Most people aren’t lucky enough to work on something this interesting. We create an environment that lets co-workers enjoy their work as much as we do.

Employee benefits

Learn about the employee benefits and perks provided at Constructor.

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Paid Parental Leave

Constructor provides paid parental leave for any qualified team member.

Choose Where You Live

Constructor is a 100% remote-first company. You can live and work from wherever you want!

Company-Sponsored Health Coverage

Constructor pays for 99% of our United States team members’ medical, dental, and vision premiums.

Competitive Compensation

Constructor provides a competitive compensation package, including stock options, for every team member.

View Constructor's employee benefits
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Constructor hiring Backend Engineer - Ranking Team • Remote (Work from Home) | Himalayas