Senior Back-End Developer

Departments: Engineering
Type: Full-time
Location: Hybrid – Milan
CommerceClarity

Who We Are

CommerceClarity is an AI‑native startup building the orchestration layer for tomorrow’s commerce. Our network of specialized agents already powers assortment, product storytelling, pricing, ads, and marketplace execution for ambitious retailers. Backed by leading founders and investors, we’re a small, high‑trust team redefining the operating system of online retail.

How We Work – Our Principles

  • Own It. Act like founders, outcomes over titles.
  • Transparency, No Ego. Radical candor beats politics; feedback moves us faster.
  • Learn Relentlessly. Curiosity is our edge in a world that changes daily.
  • Ship Fast, Keep It Simple. Short cycles, minimal complexity, continuous improvement.
  • Think Modular. We build with LEGO‑style blocks, ideas, code, products so we can iterate and scale quickly, especially in the AI era.

What Defines Us

  • AI Everywhere. Agents run our product and our internal processes. They let us move like a big team, without the overhead.
  • High Leverage. Fewer people, bigger impact. No spectators.
  • Customer‑Close Experimentation. Tight loops with users let us test, learn, and iterate at speed.

What We Offer

  • Ownership & Impact. Your code and ideas reach production and customers fast.
  • Rapid Growth. Work in a high-impact team, tackle real complexity, and learn fast through tight feedback loops.
  • Ambitious Roadmap. Help craft a foundational platform for global commerce.
  • Flexible Hybrid. Milan hub (min. 3 days/week in office) +4 remote weeks each year.

What’s the Role About?

As a Senior Back-End Developer, you’ll be the backbone of CommerceClarity’s AI-native platform infrastructure. We’re looking for engineers who can build robust, scalable services while making smart architectural decisions. This role focuses on backend excellence: you’ll design high-performance APIs, optimize database operations, and ensure system reliability while collaborating with AI engineers and front-end teams to deliver seamless product experiences.

Key Responsibilities

  • Build and maintain scalable services in PHP/Laravel
  • Design and optimize database schemas in MongoDB and MySQL/PostgreSQL for high-volume workloads
  • Own API design and implementation for both internal and external consumption
  • Implement caching strategies, queue systems, and background job processing
  • Manage DevOps workflows including CI/CD, infrastructure as code, and monitoring
  • Collaborate with founders and product teams to translate business requirements into technical solutions
  • Ensure code quality, security, and performance through testing and code reviews

Who You Are

Essential:

  • 4+ years of experience in back-end development on web platforms
  • Advanced expertise in PHP/Laravel with deep understanding of framework internals
  • Production experience with MongoDB and relational databases (MySQL/PostgreSQL)
  • Solid understanding of RESTful API design and microservices architecture
  • Experience with DevOps practices and cloud infrastructure (AWS, GCP, or Azure)
  • Strong problem-solving skills for performance optimization and scalability challenges
  • Fluent in English with strong written communication
  • Clear thinking, low ego, high standards, and openness to feedback
  • Fast decision-making with data-informed approach and high iteration speed
  • Curiosity for AI integration, automation, and continuous learning

Nice to have:

  • Exposure to LLM API integration or AI service orchestration
  • Working knowledge of Python for data processing or ML integration
  • Background in ecommerce, retail data, or pricing systems
  • Experience with event-driven architectures and message queues

Why Join Us

  • Shape how the product function scales from the ground up.
  • Work on an AI-native platform built for retail — the world’s largest and fastest-evolving market.
  • Collaborate directly with founders who have scaled companies from 0 to 300+ people.
  • Work with tech founders experienced in architectures serving over 25 million users.
  • Learn from founders who have launched retail verticals at Amazon, exceeding €3Bn+ GMV with full P&L ownership.
  • Join an early-stage team where your structure, clarity, and discipline will have an immediate impact.
  • Enjoy a hybrid and flexible work setup (Milan-based preferred).

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