Full-stack (Kotlin) Engineer (m/f/d) – Team Payments

About Flix

At Flix, we offer a tech-driven environment where innovation meets real-world impact, with competitive pay, strong growth opportunities, and a culture of collaboration and ownership.

Responsibilities

• Build the systems that move money fast, safely, and at scale
• Design and ship features used by millions of users
• Write clean, tested, production-ready code
• Own features from idea to release
• Work closely with business, UX, frontend, and backend engineers
• Review code, pair program, and ship often
• Improve existing systems and clean up legacy code

Requirements

• 3-4 years of experience building backend or full-stack web applications, including at least 2 years working with Kotlin in a commercial setup
• Some experience with frontend development with JavaScript/Typescript and any modern framework (React, Vue, Angular)
• Open to working with PHP in legacy systems when needed
• Strong object-oriented programming skills with a focus on clean architecture and maintainable design
• Solid experience working with relational databases
• Hands-on experience with automated testing (unit, integration, component or UI)
• Hands-on experience deploying applications to production environments using CI/CD pipelines
• Clear written and spoken English communication skills
• A collaborative, team-first mindset

Benefits

• Travel perks: 12 free Flix vouchers + 12 discount vouchers for friends & family
• Work from (M)Anywhere: Depending on your role, work from another location for up to 60 days per year
• Hybrid work model: Office-first with flexibility to balance work and life
• Wellbeing support: Access confidential 1:1 counselling, courses, and stress management for yourself and up to four family members
• Learning & Development: Take advantage of language classes, training courses, and expert-led sessions to grow your skills
• Mentoring Program: Connect with experienced colleagues to gain insights and accelerate your career