MisuJob - AI Job Search Platform MisuJob

Backend Engineer: Ranking (Remote)

Constructor

Portugal Remote permanent

Posted: March 24, 2026

Interested in this position?

Create a free account to apply with AI-powered matching

Quick Summary

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.

Job Description

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 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.

Why Apply Through MisuJob?

AI-Powered Job Matching: MisuJob uses advanced artificial intelligence to analyze your skills, experience, and career goals. Our matching algorithm compares your profile against thousands of job requirements to find positions where you have the highest chance of success. This saves you hours of manual job searching and ensures you only see relevant opportunities.

One-Click Applications: Once you create your profile, applying to jobs is effortless. Your resume and cover letter are automatically tailored to highlight the most relevant experience for each position. You can apply to multiple jobs in minutes, not hours.

Career Intelligence: Beyond job matching, MisuJob provides valuable career insights. See how your skills compare to market demands, identify skill gaps to address, and understand salary benchmarks for your experience level. Make data-driven decisions about your career path.

Frequently Asked Questions

How do I apply for this position?

Click the "Register to Apply" button above to create a free MisuJob account. Once registered, you can apply with one click and track your application status in your dashboard.

Is MisuJob free for job seekers?

Yes, MisuJob is completely free for job seekers. Create your profile, get matched with jobs, and apply without any cost. We help you find your dream job without any hidden fees.

How does AI matching work?

Our AI analyzes your resume, skills, and experience to understand your professional profile. It then compares this against job requirements using natural language processing to calculate a match percentage. Higher matches mean better fit for the role.

Can I apply to jobs in other countries?

Absolutely. MisuJob features jobs from companies worldwide, including remote positions. Filter by location or look for remote opportunities to find jobs that match your preferences.

Ready to Apply?

Join thousands of job seekers using MisuJob's AI to find and apply to their dream jobs automatically.

Register to Apply