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Intellias

Principal Kotlin Backend Engineer

Intellias
Spain · Full-time · Mid-Senior

Over 20 years of market experience, Intellias brings together technologists, creators and innovators in Europe, North and Latin America, and the Middle East. Join our international team and take the mission to solve the advanced tech challenges of tomorrow!


Our client is one of the leading meal kit companies. They're providing 111 million meals to 4.2 million households worldwide in 14 countries across 3 continents. From procurement tools to conversion rate optimization, live pricing tools, payment services and add-on upselling features, company works on a wide variety of challenging problems.


Requirements:

  • 6 years of the latest commercial expertise in Kotlin (mandatory)
  • Deep understanding of Gradle and ability to implement best practices.
  • Strong foundation in Java or Scala.
  • Experience working with event-driven architectures using Kafka.
  • Proficiency in stream processing and Kafka Streams Processor API (a major plus).
  • Familiarity with Docker and Kubernetes for container orchestration.
  • Strong knowledge of CI/CD methodologies and DevOps practices.
  • Hands-on experience with TDD, BDD, and DDD in distributed architectural patterns.
  • Expertise in end-to-end development, including unit, integration, and functional testing.
  • Strong knowledge of relational and document databases (PostgreSQL, MySQL, MongoDB).
  • Experience working within microservices architecture using Kotlin and Java.
  • Problem-solving mindset—ability to improve existing solutions rather than opt for full rewrites.
  • Strong communication skills—able to work effectively in a collaborative team environment.
  • Experience in handling complex challenges and optimizing existing systems.
  • Upper-intermediate English proficiency to ensure clear communication.


Responsibilities:

  • Take ownership of the architecture, design, development, deployment, and operations of microservices, implementing DevOps practices.
  • Collaborate closely with Product Owners, Frontend Engineers, Designers, and Business Intelligence teams.
  • Act as a mentor and provide technical leadership to mid-level engineers.
  • Advocate for best practices in coding, Gradle usage, and optimization strategies.
  • Identify and resolve inefficiencies in the existing codebase without requiring complete rewrites.
  • Work with state-of-the-art technologies like Kafka, RabbitMQ, Spark, Kubernetes, Docker, Terraform, Istio, and more.
  • Maintain a focus on incremental improvements to enhance system performance and maintainability.


At Intellias, where technology takes center stage, people always come before processes. We're dedicated to cultivating a tech-savvy environment that empowers individuals to unlock their true potential and achieve extraordinary results. Our customized benefits not only prioritize your well-being but also charge your professional growth, making this opportunity an ideal match for tech enthusiasts like you.

Key Skills

Ranked by relevance

microservices kubernetes kotlin docker devops gradle kafka postgresql terraform rabbitmq mysql istio spark java cicd tdd ddd
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Posted
Mar 11, 2025
Type
Full-time
Level
Mid-Senior
Location
Spain
Company
Intellias

Industries

IT Services IT Consulting

Categories

Information Technology

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