
Experienced Backend Developer / Lead Tech (Ref: 372)
- Hybrid
- LEUDELANGE, Esch-sur-Alzette, Luxembourg
Experienced Backend Developer to Lead Tech in Java/Scala (JVM), passionate about quality, AI, event-driven architectures, and sharing within a collaborative team.
Job description
Experienced Backend Developer / Lead Tech
Java or Scala – JVM Ecosystem
Do you want to design robust, high-performance backend systems that make a difference?
Join one of our clients' technical team, where code quality, knowledge sharing, and continuous improvement are at the core of practices.
🌱 Desired Mindset
Beyond your technical expertise, you stand out through your attitude:
autonomous, demanding on quality, and committed to continuous improvement,
attentive to others' skills development,
comfortable sharing know-how and best practices,
driving collective progress in a positive and constructive atmosphere.
Curious, you seek to understand the business and the purpose of what you develop to offer coherent and relevant solutions.
You are also motivated by integrating AI into code, documentation, tests, or CI/CD pipelines to evolve software development practices.
Listening yet assertive, you can defend your views while respecting diverse opinions, thus fostering informed technical decisions.
🔁 Your Role
You work on the entire software lifecycle:
analysis, design, development, testing, delivery, and continuous improvement, in a caring, collaborative, and collective well-being-oriented team spirit.
#BackendDeveloper #LeadTech #Java #Scala #JVM #FunctionalProgramming #EventDriven #Kafka #RESTAPI #CleanCode #CI/CD #Observability #AI #TeamSpirit
Job requirements
🛠️ Expected Technical Skills
Backend – JVM
Java or Scala, excellent mastery of the JVM ecosystem
Advanced functional programming: immutability, pure functions, effects handling
Design and development of REST APIs (Spring Boot, Play, Akka/Pekko or equivalent)
Event-driven architectures: messaging & streaming (Kafka or equivalent)
Databases: SQL + MongoDB
Software quality: unit & integration testing, CI/CD, observability (logs, metrics)
A key position for profiles aiming to combine technical excellence, knowledge sharing, and innovation.
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