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Constructor

Backend Engineer: Ranking

Remote
$80k – $120k/yr
Posted 4 months ago
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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

Reasons to use Rodeo

I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

Honest answer β€” it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.

Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.

Start with a chat, not a search bar

Grad scheme, placement, apprenticeship? Not sure what you want yet β€” that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.

P

Graduate Consultant β€” 2026 Scheme

PwCΒ·London, UK
Β£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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It searches the market for you

Every day your agent scans the market matching roles against what actually matters to you, not just keywords on a CV.

Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon β€” deadlines close within the month.

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Strong

Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme β€” client modelling, market briefings, and deal support.

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Strong

Only hits

No noise. No "maybe this fits." Just roles with a clear explanation of why they're right β€” and where to focus when applying.

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.
  • πŸŽ‰ 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.
  • πŸ›‹οΈ Work from home stipend! We want you to have the resources you need to set up your home office.
  • πŸ’» Apple laptops provided for new employees.
  • πŸ§‘β€πŸŽ“ Training and development budget for every employee, refreshed each year.
  • πŸ‘ͺ Maternity & Paternity leave for qualified employees.
  • πŸ’΅ Base salary: $80k–$120K USD, depending on knowledge, skills, experience, and interview results
  • πŸ“ˆ Stock options - offered in addition to the base salary

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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.

How we handle your data

By submitting this application, you acknowledge that Constructor will collect and process the personal data you provide for the purpose of evaluating your candidacy for this role. If you are not selected, we will retain your data for a limited period as described in our Recruitment Privacy Notice. After that period your data will be deleted or anonymized.

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Location

United Kingdom

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