Senior Full-Stack Engineer – Supply Chain SAAS Platform

About Us

We’re building the AI-powered planning platform that helps mid-market and scale-up companies plan smarter, faster, and with less waste. We’ve found strong product-market fit, have customers going live, and are scaling engineering to deliver even faster.

We’re looking for a Senior Full-Stack Engineer who loves working across the stack — building robust APIs and delightful UIs — and wants to ship end-to-end features that make an immediate impact.

Why This Role is Exciting

Pioneering Impact: As our Senior Full-Stack Engineer, you’ll design and build the backbone of our product, from scalable APIs and optimization engines to the sleek UI our customers love. Your work will directly power the planning, forecasting, and decision-making workflows of our users.

Cutting-Edge Technologies: Work across our modern stack — Nest.js, TypeScript, Postgres, React, Tailwind and use best-in-class AI-assisted coding tools (Cursor, Claude, GPT-powered workflows).

Strategic Influence: You’ll collaborate closely with founders, design, and product, shaping not just what we build but how we build it. You’ll influence architecture decisions for both frontend and backend, ensuring performance, scalability, and developer happiness.

Secured Funding & Vision: Join a well-funded startup with strong product-market fit, committed to building category-defining supply chain software. Your code will be in the critical path of helping SMEs and mid-market companies plan smarter, faster, and more autonomously.

What You’ll Do

• Build full-stack features from React UI to Node.js APIs & Postgres schemas
• Work on data-rich workflows like demand forecasts, inventory views, and planning dashboards
• Collaborate with AI/ML engineers to integrate forecasting and optimization engines
• Take ownership of problems, make trade-offs, and deliver production-ready solutions fast

What We’re Looking For

• 5+ years experience in full-stack or backend + frontend development
• Strong skills in React + TypeScript, Node.js/Express, and Postgres/SQL
• Proven ability to work independently and deliver end-to-end features
• Eye for detail and obsessed with a well performing and beautiful frontend.
• Strong understanding of data modeling, API design, and debugging
• AI power-user: Use AI-assisted development tools (Cursor, Claude code) to support your work and move fast without sacrificing quality.

What We Offer

• Salary: € 85.000 / year
• Remote-Friendly: Work from anywhere, with regular team meet ups
• Velocity: Ship features used by real planners within days
• High-Impact: Ship features that solve real-world planning problems for live customers

How to Apply

If you’re excited about joining Oaasis and transforming supply chain operations, we’d love to hear from you!

Please apply with:

• Your resume
• A brief statement (a few lines) explaining why you’re the perfect fit for this role
• Links to past work, portfolios, or relevant projects
• Three professional references we can contact