Senior / Mid Full Stack Developer

Posted 8 Days Ago
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Heidelberg, Baden-Württemberg, DEU
In-Office
Senior level
Artificial Intelligence • Insurance • Internet of Things • PropTech
The Role
Build and evolve TypeScript-first web and app experiences (React, Cursor, React Native). Integrate frontend with backend and AI systems, ensure reliable data flows, improve performance, write testable TypeScript, and collaborate cross-functionally while supporting cloud/CI/CD and monitoring when needed.
Summary Generated by Built In
Transform the future of the built environment through purpose-driven technology.
Enzo builds software that connects IoT devices, AI systems, insurers, and property owners into one coherent platform. Our applications turn raw sensor data into actionable insights, and reliability, clarity, and performance matter.
As Full Stack Developer, you’ll build and evolve our web and app experiences using a TypeScript-first stack. You’ll work closely with backend, AI, and product teams to ship features fast, without sacrificing code quality.
Tasks
Role Overview
You’ll contribute across the stack, with a strong focus on TypeScript, modern frontend architecture, and clean system interfaces. While we also use React Native for our app, the primary focus is TypeScript-based development, not mobile specialization.
This is a hands-on builder role in a fast-moving startup environment.
Tasks
Frontend & Application Development
* Build and maintain web applications using TypeScript + React + Cursor.
* Contribute to our React Native app where needed.
* Implement clean, maintainable UI logic and state management.
Backend & Integration
* Work with APIs and backend services to integrate data and features.
* Ensure reliable data flows between frontend, backend, and AI systems.
* Improve application performance and robustness.
Code Quality & Speed
* Write clear, well-structured, and testable TypeScript code.
* Help keep the codebase clean as features evolve.
* Move fast without breaking things unnecessarily.
Cross-Functional Collaboration
* Work closely with Product, AI, and Engineering teams.
* Translate product requirements into pragmatic technical solutions.
* Actively contribute to technical discussions and decisions
Bonus: Infrastructure Awareness
* Support cloud-related tasks when needed (CI/CD, deployments, monitoring).
* Help improve system reliability and developer experience.
Requirements
Strong TypeScript Engineer
* Solid experience with TypeScript across frontend (and ideally backend).
* Strong React fundamentals.
* Clean coding practices and good architectural intuition.
Pragmatic Full Stack Mindset
* Comfortable working across layers of the stack.
* You understand tradeoffs and optimize for outcomes.
Startup Attitude
* Hands-on, ownership-driven, and execution-focused.
* You enjoy building real products with real users.
* You move fast and adapt quickly.
Bonus Skills
* Experience with cloud infrastructure or DevOps.
* Experience with IoT or data-heavy applications.
Languages
* Fluent in English
Benefits
* Build software that directly prevents real-world damage.
* High ownership and visible impact.
* Work in a small team where your work matters.
* Fast learning, real responsibility, no corporate overhead.
* A culture that values builders, clarity, and execution

Skills Required

  • Solid experience with TypeScript across frontend (and ideally backend)
  • Strong React fundamentals
  • Ability to work across frontend and backend (pragmatic full-stack mindset)
  • Clean coding practices, good architectural intuition, and ability to write testable code
  • Hands-on, ownership-driven, execution-focused startup attitude
  • Fluent English
  • Experience with cloud infrastructure, CI/CD, deployments, or DevOps
  • Experience with IoT or data-heavy applications
  • Experience with React Native
Am I A Good Fit?
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The Company
37 Employees
Year Founded: 2021

What We Do

Enzo is a Heidelberg-based InsurTech and PropTech startup focused on revolutionizing the home insurance and real estate industries. Using its cutting-edge IoT and AI-powered solution, one.drop, the company digitally manages the distribution and consumption of drinking water to detect anomalies, prevent water damage, and optimize water efficiency, providing modern and comprehensive insurance protection.

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