Senior Full-Stack Engineer (Java/Kotlin)

About

Flix is building products to enable station managers to scale the management of station inventory, improving the experience for millions of passengers. In an ever-growing network, Flix customers worldwide expect a comfortable and seamless experience at our stations. This role is part of a self-organized, cross-functional, and distributed team.

About the Role

In this role, you will continue to shape the product by driving innovation, solving complex challenges, and creating a lasting impact on our organization. You will take ownership of roadmap epics as a topic driver, aligning technical requirements and solutions with the product owner. You will work closely with business stakeholders to develop and improve the product vision, always keeping business value in mind. You will drive the development process in an agile environment, collaborating closely with team members through pair and ensemble programming, code reviews, testing, and operations. You will frequently deliver new product versions using continuous integration and delivery.

Responsibilities

• Take ownership of roadmap epics as topic driver, aligning technical requirements and solutions across the team with the product owner.
• Work closely with business stakeholders on continuously developing and improving the product vision.
• Always keep the business value in mind when making decisions.
• Drive the development process using an agile environment.
• Collaborate closely with fellow team members in pair and ensemble programming, code reviews, testing, and operations.
• Frequently deliver new versions of the product, using continuous integration and delivery.
• Work confidently with or learn cutting-edge technologies and tools including: Kotlin (server and browser), JVM on server-side (Ktor, Axon Framework), Component-based Frontend (Compose HTML or similar), Distributed system architecture (Apache Kafka, HTTP/REST), and Infrastructure with CI/CD (AWS, Docker, Kubernetes, Terraform, Datadog, Gitlab).

Requirements

• 5+ years of software engineering experience, primarily backend development with a JVM language.
• Willingness to work with Kotlin.
• Solid front-end skills with a modern front-end stack.
• Experience with event-driven architectures; exposure to event sourcing, CQRS, and domain-driven design (DDD) is a plus.
• Hands-on experience with automation and deployment of applications into cloud infrastructure (e.g., AWS, Azure) using CI/CD pipelines and DevOps best practices.
• Proficiency in system design and architecture.
• Take responsibility for the product and technical decisions.
• Clear written and spoken English communication skills.
• If you think you could have an impact even though you don't meet 100% of the requirements, we still encourage you to apply.