Senior Fullstack Engineer (React, Python) - Agent Facing Team

We are seeking a talented and driven Fullstack Engineer (m/f/d) with a strong emphasis on frontend development to join our Customer Service Domain and specifically the Agent Facing Team, a cross-functional team responsible for developing and maintaining tools that empower our customer service agents in their daily work.

This is an exciting opportunity to contribute to the evolution of our internal customer service platform as we explore new solutions to enhance scalability and efficiency, gradually building a modern, scalable, and in-house contact platform tailored to our needs.

Our Stack :

TypeScript, Javascript (React, Nodejs), Python (Flask, FastAPI), Java (Spring Boot), AWS (S3, RDS, DynamoDB, Lambda, API Gateway, EKS), Azure (AD Sync), Kubernetes, Kafka, Snowflake, IaC (Terraform), GitLab CI/CD, Datadog, BirdView, Twilio, Salesforce (part of our Domain), CI/CD pipelines, Gitlab.

Your Tasks – Paint the world green

• Be part of a self-organized, cross-functional team, working on internal tools used by customer service agents
• Develop and maintain applications using JavaScript tooling (JS, TS, React, Node.js, etc), and Python, building internal tools that enhance customer service operations
• Contribute to the future contact platform by integrating backend services and improving system scalability
• Write clean, maintainable, and well-tested code while optimizing applications for performance and reliability
• Participate in code reviews, debugging, and CI/CD pipeline improvements to enhance code quality and automation
• Collaborate with engineers, product owners, and other internal and external stakeholders to implement intuitive user interfaces and backend services
• Advocate for best practices in software engineering, ensuring flexibility and maintainability in the codebase
• Work with cloud-based and IaC (Terraform) solutions, leveraging best practices for scalability and security
• Take ownership of tasks with a “get things done” mentality, contributing to an agile and highly effective engineering culture

Your Profile – Ready to hop on board

• 5+ years of professional experience as a Software Engineer, with hands-on experience in end-to-end development
• Strong knowledge of JavaScript/TypeScript and its ecosystem, including React.js
• Experience with backend development in Python (Flask/FastAPI)
• Proficiency with cloud environments (e.g., AWS, Azure) and serverless computing
• Understanding of software engineering principles, system architecture, and design patterns
• Experience in CI/CD pipelines, performance monitoring, and automated testing
• Comfortable working in a cross-functional, agile team, taking ownership and initiative
• Strong problem-solving skills and an open-minded, flexible approach to software engineering

Nice to have: 

• Experience working with internal tools or B2B applications
• Knowledge of Twilio or similar contact center solutions (e.g. Zendesk, AWS connect, etc)

Our Perks – More than just a job

• You have an impact. With innovation and smart technology, we are creating the easiest way to travel. We want your ideas and give you autonomy to make them reality.​
• Flix is flexible. Organize your own schedule with trust-based hours and up to 60 days of working from (m)anywhere. We are an office-first company, and we encourage all employees to come regularly to their local office.
• Travelling is our passion. Discover the world with your free Flix rides and bring along your friends and family for half price.
• Teamwork makes the dream work. Our