Full Stack Engineer

🧠 About Zinco

At Zinco, we're building the back-office of the future for millions of small businesses: accounting, taxes, payroll, financing (all powered by cutting-edge AI and a team of advisors who truly understand what matters to clients).

We're early. We move fast. And we're looking for someone who thrives in that environment, not despite it.

🎯 Your mission

Your job isn't just to write code, it's to solve problems. That means asking the hard questions before touching a keyboard, understanding the why behind every request, cutting scope ruthlessly when needed, and shipping things that actually move the needle.

You'll work across the full stack, back-end services, front-end dashboards, automations, AI pipelines; and you'll own features end-to-end (from understanding the problem, to scoping the solution, to deploying and iterating).

We want someone who questions before building, and knows when the best solution is a simpler one.

🚀 What you’ll do

• Own problems, not just tickets: you'll push back when something isn't worth building, and move fast when it is.
• Build and maintain back-end services in Python (FastAPI, Pydantic), with a strong focus on reliability and maintainability.
• Design and automate complex workflows: document processing, email handling, third-party API integrations and OCR (using tools like n8n, LangChain, MCP, and similar).
• Build front-end interfaces: dashboards, internal tools, chat experiences that are fast, clear, and genuinely useful (React).
• Own deployment and monitoring end-to-end.

Requisitos mínimos

🧬 What We’re Looking For

• Solid production experience with Python (FastAPI, Pydantic, Pandas) and JavaScript/TypeScript (React or similar), you've shipped real things that real people use.
• Comfortable owning both front-end and back-end without needing to split the work.
• Experience with deployment, infrastructure, and monitoring, you don't throw things over the wall.
• Strong product instinct: you think about users and outcomes, not just systems and tasks.
• Intellectual honesty: you push back on bad ideas (including your own), and you'd rather solve the right problem simply than the wrong one perfectly.
• At ease with ambiguity: you can go from a vague problem to a shipped solution without someone holding your hand every step of the way.

🌱 How we work

• Real problem, real users: You won't be building in a vacuum. You'll work closely with the accountants, advisors, and small business owners who use what you ship — understanding their pain firsthand, and turning it into solutions that actually work for them. These are people running real businesses, and getting it right matters.
• Flexibility & hybrid work: we believe in ownership and responsibility over schedules. We trust people to manage their time and deliver results. We also value working side by side: we enjoy being together in the office to collaborate, think, and build as a team.
• Tools & setup: AI-first tools and workflows, latest-generation hardware, and everything you need to work faster and better. If a tool helps you move quicker or think clearer, we want you to have it.
• Growth & development: You’ll have a dedicated training budget to invest in whatever helps you grow. We’re clear about where we are and where we’re going as a company, and you’ll have periodic performance reviews to support your development and career progression.
• Compensation: We believe in a meritocratic culture: your impact and results directly shape your growth and progression. We also offer flexible compensation (transport, restaurants, and other benefits) to make your day-to-day easier.