ICT vacatures Haarlem

At SOUS, we help independent food & beverage entrepreneurs grow. We’re building what we believe will be the last employee a restaurant owner ever has to hire that touches a screen. Our AI agent handles what matters most: being found, powering commerce, and bringing guests back.

We’re searching for a Full-Stack Tech Lead who’s as excited about building great products as they are about leading a team. If you’re ready to roll up your sleeves, write brilliant code, and influence the technical direction of a high-growth startup, we’d love to meet you.

Code, Build, and Ship (50%-60% of your time):

• Develop and refine our core backend (Django REST Framework) and frontend (React + TypeScript).
• Create and improve APIs for users, orders, shipping, and partner tools.
• Build smart integrations with tools like Shopify and Mendrix.
• Scale and optimize serverless microservices on GCP (and AWS in the future).
• Ensure our stack is clean, scalable, and future-proof.

Lead, Inspire, and Strategize (40%-50% of your time):

• Architect and scale multi-tenant SaaS solutions for the next phase of SOUS.
• Collaborate with product, design, and operations teams to align technical plans with business goals.
• Set the bar for code quality, testing (TDD/BDD), and CI/CD workflows.
• Mentor developers to help them grow while creating a culture of engineering excellence.
• Own the technical roadmap—spotting opportunities to innovate and improve.

Hands-On Experience:

• You’ve been in the trenches as a full-stack developer for 8+ years, and you’re fluent in Python (Django) and JavaScript/TypeScript (React).
• You’ve built and scaled serverless microservices that are battle-tested in production.Your database game is strong—PostgreSQL and ORMs are second nature to you**.**

Leadership in Action:

• You’ve led teams as a senior or tech lead for 2+ years, balancing writing code with mentoring and decision-making.
• You can architect systems that are both elegant and robust while keeping your hands dirty in the codebase.

Smart Development Practices:

• Testing isn’t just a buzzword for you—it’s how you build (Pytest, React Testing Library).
• You’re fluent in Git workflows and CI/CD tools (e.g., Bitbucket Pipelines).

API experience:

• Deep experience in building and integrating APIs—whether it’s RESTful APIs, JWT Auth, or third‑party tools like Shopify and Mendrix.

Frontend Know-How:

• Modern frameworks (React, Material UI, React‑Query) are where you shine.
• You know how to make frontends fast, responsive, and delightful.

Bonus Points For:

• Experience with Firebase (Auth, Hosting) or Google Analytics 4.
• Building SaaS platforms and multi‑tenant architectures.
• A background in e‑commerce, marketplaces, or scaling startups.

Why SOUS?

• Competitive Salary + Equity: €100k + options—you’ll grow with us.
• Shape the Future: Your contributions will define what SOUS becomes.
• Flexibility: While we’re primarily on‑site, we value flexibility when it makes sense.
• Passion‑Driven Team: Join a group of foodies and techies who love solving big problems. High Impact: Be part of a mission that’s changing the way F&B creators succeed.

What to Expect in the Hiring Process:

1. A 30‑minute intro call to get to know each other.
2. A 60‑minute technical deep dive.
3. A case study project with a 90‑minute review session.
4. A 45‑minute cultural alignment chat to see if we’re a match.

Ready to make an impact? Let’s build something incredible together.