The Flex Logo

The Flex

Full-Stack Engineer - Europe Region

Posted 3 Days Ago
In-Office
45 Locations
Mid level
In-Office
45 Locations
Mid level
As a Full Stack Engineer, you will design, develop, and maintain scalable web applications for a Property Management System, work on API architecture, and automate processes while collaborating across teams in a dynamic environment.
The summary above was generated by AI
About The Flex

The Flex is on a mission to transform the rental sector globally. Renting a home should be as simple as buying an item on Amazon: seamless, borderless, and transparent. We’re making that a reality—building a next-generation Property Management System (PMS) that powers everything from tenant bookings to landlord operations, enabling effortless renting and hassle-free property management at scale.

We are assembling a small, dynamic team of A-Players who want to build category-defining products and scale The Flex into a global powerhouse. We reward ambition, promote from within, and create an environment where talent thrives.

Position Summary – Full Stack Engineer

As a Full Stack Engineer at The Flex, you will play a pivotal role in building our proprietary PMS—the backbone of our global rental platform. This is not just about writing code; it’s about designing and scaling the digital infrastructure that powers thousands of homes worldwide.

You’ll work across the full stack—front-end, back-end, and cloud—bringing bold ideas from concept to production. If you’re excited about solving complex challenges in real estate technology, pushing the boundaries of automation, and building systems that scale globally, this is the role for you.

This role is ideal for someone who thrives in a fast-paced, high-impact startup environment, takes full ownership of projects, and is passionate about shaping the future of living.

Key Responsibilities
  • Full-Stack Development – Design, develop, and maintain scalable web applications that form the core of our PMS, using Node.js, React, and modern frameworks.

  • API-First Architecture – Build and optimize RESTful APIs (FastAPI/Node.js) that connect reservations, operations, and customer experiences into one seamless ecosystem.

  • Automation & Intelligence – Develop automation tools that streamline operations, optimize pricing, and reduce human intervention in property management.

  • Cloud Infrastructure – Deploy, manage, and scale applications on AWS, leveraging serverless and cloud-native best practices.

  • Testing & Quality – Implement CI/CD pipelines, automated tests, and code reviews to ensure high reliability.

  • Troubleshooting & Debugging – Rapidly investigate and resolve production issues.

  • Cross-Functional Collaboration – Work hand-in-hand with product, design, and operations teams to build features that deliver real business impact.

What We’re Looking For
  • Strong proficiency in Node.js, React, and AWS Cloud.

  • Experience building cloud-native/serverless applications.

  • Solid understanding of REST API design and integrations.

  • Familiarity with FastAPI and Python is a strong plus.

  • Strong grasp of CI/CD, automated testing, and Git workflows.

  • A problem-solver who learns quickly and thrives on autonomy.

  • Excellent communicator and team player.

  • Relentless drive to build world-class products.

Why Join The Flex?
  • Be part of a tech-first company revolutionizing the rental industry with our proprietary PMS.

  • Shape the core tech stack from the ground up.

  • Competitive salary + performance-based incentives.

  • Remote-first culture with high autonomy and ownership.

  • Real opportunity to grow into a leadership role as we scale globally.

You Should Not Apply If:
  • You are looking for a traditional corporate 9-to-5 job.

  • You prefer office politics and gossip over problem-solving.

  • You want a slow, predictable, dead-end role.

  • You do not aim to be world-class at what you do.

#LI-Remote

Top Skills

AWS
Ci/Cd
Fastapi
Node.js
Python
React
Rest Apis

Similar Jobs

An Hour Ago
Hybrid
Athens, GRC
Senior level
Senior level
Big Data • Food • Hardware • Machine Learning • Retail • Automation • Manufacturing
Lead the creation of a Consumer Data Ecosystem solution, focusing on technical development, data integration, and compliance with data privacy standards while collaborating with cross-functional teams.
Top Skills: Ai PlatformAPIsBigQueryDataflowETLGoogle Cloud PlatformWeb Services
Internship
Fintech • Software
Join this webinar to learn about career opportunities at IMC, hear from former interns, and get tips for the interview process.
Yesterday
Hybrid
Néo Psychikó, GRC
Senior level
Senior level
Artificial Intelligence • Healthtech • Machine Learning • Natural Language Processing • Biotech • Pharmaceutical
Responsible for regulatory support across international teams, managing submissions and compliance, ensuring timely delivery and quality of regulatory documents throughout the product lifecycle.
Top Skills: Microsoft Office SuiteProject ManagementRegulatory Affairs

What you need to know about the Belfast Tech Scene

If asked to name the birthplace of the RMS Titanic, you might not say Belfast. Similarly, if asked to name Europe's leading destination for foreign direct investment in new software development, Belfast might not come to mind. Yet, both are true. The city has emerged as a tech powerhouse, recently ranked among the best in the U.K. for tech careers — especially for software developers. It also leads the U.K. with the highest percentage of software development jobs advertised.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account