Software Engineer: Core (Remote)

Constructor; España; On-site; PHP 4,756,242 - 7,134,363; Full time

Benefits offered by this job

Unlimited vacation time

Fully remote team

Work from home stipend

Apple laptops provided

Training and development budget

Maternity & Paternity leave

Collaborative team offsites

Job summary

A next-generation ecommerce platform is seeking talented individuals to design, build, and maintain critical backend infrastructure. You will ensure performance, stability, and reliability at scale while collaborating with partners to deliver robust systems. Ideal candidates have a strong foundation in computer science and experience in high-traffic backend systems. This role offers a fully remote work environment and numerous benefits including unlimited vacation time, training budgets, and competitive salaries ranging from $80k to $120k USD.

Qualifications

• Strong foundation in computer science, including algorithms, data structures, concurrency, and systems design.
• Experience building and scaling high-traffic, high-availability backend systems.
• Experience designing and operating backend infrastructure, including deployment automation, capacity planning, and observability.
• Comfortable working across different layers of the stack, from performance-critical code to production operations.
• Enjoy learning new technologies and tools in a fast-moving, large-scale environment.
• Collaborate effectively and contribute to a positive, ownership-driven team culture.

Responsibilities

• Support the Core Team in designing, building, and maintaining infrastructure.
• Ensure performance, stability, and reliability at scale.
• Collaborate with cross-functional partners to deliver robust backend systems.

Skills

Algorithms

Data structures

Concurrency

Systems design

High-traffic backend systems

Backend infrastructure

Deployment automation

Capacity planning

Observability

Cross-layer collaboration

Tools

Rust

C++

Python

AWS

Jenkins

GitHub Actions

Prometheus

Grafana

Job description

Overview

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.

The Team

The Core Team sits at the heart of Constructor, shaping Constructor\'s in-house search engine, where user requests meet customer catalogs and Constructor\'s learnings. We build and operate the foundational systems that power every request flowing through the platform, enabling fast, reliable, and intelligent interactions at massive scale. Our systems handle billions of requests daily with exceptional uptime, and we take pride in delivering a highly scalable, resilient, and globally distributed platform. As part of the Core team, you will help design, build, and maintain the critical infrastructure and services that underpin the entire product, ensuring performance, stability, and reliability across the globe.

Responsibilities

Responsibilities include supporting the Core Team in designing, building, and maintaining the infrastructure and services that power the product, ensuring performance, stability, and reliability at scale. You will collaborate with cross-functional partners to deliver robust backend systems.

Qualifications

• Have a strong foundation in computer science, including algorithms, data structures, concurrency, and systems design
• Have experience building and scaling high-traffic, high-availability backend systems
• Have experience designing and operating backend infrastructure, including deployment automation, capacity planning, and observability
• Are comfortable working across different layers of the stack, from performance-critical code to production operations
• Enjoy learning new technologies and tools in a fast-moving, large-scale environment
• Collaborate effectively and contribute to a positive, ownership-driven team culture

Our Tech Stack

• Languages: Rust, C++, Python
• Cloud Infrastructure: AWS
• CI/CD: Jenkins, GitHub Actions
• Monitoring & Observability: Prometheus, Grafana

Benefits

• 🏝️ 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
• 💵 This position has a base salary range between $80k and $120k USD. The offer varies on many factors including job related knowledge, skills, experience, and interview results
• 🎉 Regular team offsites to connect and collaborate

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.