The English-language job board for Spain

Backend Engineer: Retail Media

Remote, EMEA +1·Full-time·Added 4 months ago (last checked 12 Oct)

Constructor

17 open roles

Overview

Salary
US$80,000 - US$120,000 a year
Work mode
Remote (EMEA / United Kingdom)
Contract
Full-time
English
Required
Experience
Senior level

Visa options

  • The ad doesn’t mention sponsorship

    Not a refusal, but not a yes. Worth asking in your first message.

  • May fit the digital nomad visa

    A remote job for a company outside Spain: you apply yourself, no sponsor needed. It asks for about €2,849 a month in remote income.

More jobs that may fit the digital nomad visa

Skills

Nice to have

Requirements

What we're looking for

  • Strong computer science background & familiarity with networking principles.

  • Experience in designing, developing & maintaining highload real-time services.

  • Proficiency in Infrastructure as Code (IaC) tools like CloudFormation or Terraform for managing cloud resources.

  • Hands-on experience with setting up and improving CI/CD pipelines.

  • Proficiency in Python.

  • 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.

  • Experience with NoSQL and relational databases, distributed systems, and caching solutions (MySQL/PostgreSQL, ClickHouse/Athena).

  • Experience with any of the major public cloud service providers: AWS, Azure, GCP.

  • Experience collaborating in cross-functional teams.

  • Excellent English communication skills.

  • Ideal candidate has previous experience building ad tech solutions.

  • We're looking for someone who can overlap with 11:00-16:00 UTC - to keep collaboration smooth across time zones.

Pay & benefits

What you'll get

  • 🏝️ Unlimited vacation time - we strongly encourage all of our employees take at least 3 weeks per year

  • 🌎 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

  • 👪 Maternity & Paternity leave for qualified employees

  • 🧠 Work with smart people who will help you grow and make a meaningful impact

  • 💵 Base salary: $80k-$120k USD, depending on knowledge, skills, experience, and interview results

  • 📈 Stock options - offered in addition to the base salary

  • 🎉 Regular team offsites to connect and collaborate

The role

What you'll do

The primary focus of this job is to design, deliver & maintain web services in close collaboration with other engineers.

  • Build / deploy / support services using Python and FastAPI

  • Write AWS CloudFormation scripts, Jenkins jobs, Github actions following best industry standards

  • Set up service observability, monitoring metrics, and alerting (Prometheus, Grafana, PagerDuty, AWS CloudWatch)

  • Implement CI/CD pipelines and separate stability testing

  • Collaborate with technical and non-technical business partners to develop / update functionalities

  • Communicate with stakeholders within and outside the team

About Constructor

Constructor is a product discovery and search platform for e-commerce businesses, offering AI-powered search, merchandising, and personalization solutions. The company serves major online retailers and brands, helping them improve conversion rates and customer engagement through advanced machine learning and natural language processing. Founded in 2015, Constructor has grown into a recognized player in the e-commerce technology space, with a global client base and a distributed team.

Industry
E-commerce
Founded
2015
Employees
100–500
Headquarters
San Francisco, USA
In Spain
Madrid

Good to know if you are moving

  • Constructor has a strong engineering presence in Spain, with a major office in Madrid, making it a viable option for tech professionals relocating to Spain.
  • The company offers a remote-friendly culture, which can provide flexibility for international hires.
  • As a growing scale-up, Constructor offers opportunities for career advancement and impact in a fast-paced environment.
  • The company works with global e-commerce clients, offering exposure to international markets and cross-border collaboration.

In their own words

About the company & team

Constructor is the next-generation platform for search and discovery in ecommerce, built to explicitly optimize for metrics like revenue, conversion rate, and profit. Our search engine is entirely invented in-house utilizing transformers and generative LLMs, and we use its core and personalization capabilities to power everything from search itself to recommendations to shopping agents. Engineering is by far our largest department, and we've built our proprietary engine to be the best on the market, having never lost an A/B test to a competitive technology. We're passionate about maintaining this and work on the bleeding edge of AI to do so.

Out of necessity, our engine is built for extreme scale and powers over 1 billion queries every day across 150 languages and roughly 100 countries. It is used by some of the biggest ecommerce companies in the world like Sephora, Under Armour, and Petco.

We're a passionate team who love solving problems and want to make our customers' and coworkers' lives better. We value empathy, openness, curiosity, continuous improvement, and are excited by metrics that matter. We believe that empowering everyone in a company to do what they do best can lead to great things.

Constructor is a U.S. based company that has been in the market since 2019. It was founded by Eli Finkelshteyn and Dan McCormick who still lead the company today.

The Retail Media team is building a platform for connecting ecommerce retailers and brands. In a nutshell, retail media is the product that allows a brand to buy a placement within our customer's search, browse, recommendations, collections, or quizzes results. A comprehensive retail media platform integrates seamlessly with online retailers, offering advanced targeting, bidding, and analytics capabilities. This platform aims to enhance ad visibility, optimize ad placement, and provide robust performance analytics. We're a passionate team of cross-functional engineers who love challenges and want to make people's lives better. We value openness, curiosity, continuous improvement, and great code. We believe that empowering everyone in a company to do what they think is best can lead to great things.

The Retail Media team is new and looking for Senior engineers who will help us build backend services, integrate with data warehouse and other services managing results order, and more.

Additional information

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.

All open roles at Constructor
WhatsApp

Technical Recruiter

Constructor5d ago
Remote, BarcelonaNo Spanish needed
Remote, Germany +2No Spanish needed

Senior Analytics Engineer

Constructor2mo ago
US$80k – US$120kRemote, Brazil +3No Spanish needed

Senior Product Analyst

Constructor2mo ago
US$80k – US$120kRemote, Brazil +3No Spanish needed

Senior Data Scientist

Constructor2mo ago
US$80k – US$120kRemote, Munich, Germany, Germany +4No Spanish needed
US$80k – US$120kRemote, EMEA +1No Spanish needed
US$100k – US$130kRemote, EMEA +2No Spanish needed

Senior Data Analyst

Constructor4mo ago
US$80k – US$120kRemote, Brazil +3No Spanish needed
Remote, France +2No Spanish needed

Senior Product Manager: Recall

Constructor2mo ago
Remote, EMEA +1No Spanish needed
See all 17 jobs