knowmad mood
knowmad mood
1,001 – 5,000 Employees
ConsultingHealthcareLogistics
knowmad mood is a multinational digital transformation and technology services company helping enterprise organizations modernize operations, customer experiences, and technology platforms. Its work brings together consulting, software delivery, and technical expertise across digital channels and commerce, UX/UI, mobile, platforms, data and analytics, cloud infrastructure including AWS, artificial intelligence, blockchain, IoT, DevOps, quality assurance, testing, security, solution architecture, and Atlassian and IT governance. The company serves B2B clients in industries including banking, telecommunications, retail, healthcare, energy, automotive, and logistics, with a focus on scalable digital solutions and long-term technology transformation.

Junior Java Developer for IoT Systems — Hybrid in A Coruña

Join knowmad mood as a junior Java developer building scalable backend services for IoT systems and cloud solutions using Java, microservices, and Azure.

Description

  • Design, develop, and maintain scalable backend services connected to IoT systems and cloud solutions
  • Build and maintain Java 21 backend applications with Spring Boot and Spring Framework
  • Apply microservices and hexagonal architecture patterns
  • Design and consume REST APIs and Avro data contracts
  • Integrate messaging systems such as JMS and MQTT with REST and TCP/IP communication protocols
  • Manage distributed caching with Redis
  • Work with NoSQL databases, particularly Azure Cosmos DB
  • Implement observability and monitoring with Grafana and Azure Application Insights
  • Support deployments using Docker, AKS, and Kubernetes, including Azure Arc for hybrid environments
  • Develop unit tests with Mockito and integration tests with Testcontainers
  • Contribute to code reviews and continuous improvement

Requirements

  • Two to three years of experience developing with Java 17 or later
  • Practical experience with microservices architectures
  • Experience developing and integrating synchronous and asynchronous messaging systems, including Kafka
  • B2-level English with fluent reading and writing skills
  • Experience with Azure cloud environments and hybrid deployments
  • Availability to work from the A Coruña office one or two days per week
  • Availability for occasional international travel to support implementations

Benefits

  • Permanent employment contract
  • Flexible schedule with 8:30 a.m. to 6 p.m. core hours, reduced Friday hours from 8 a.m. to 3 p.m., and reduced hours from 8 a.m. to 3 p.m. in July and August
  • 22 vacation days plus two personal days
  • December 24 and 31 off
  • Choice of 12 or 14 salary payments
  • Flexible compensation including meal card, childcare voucher, health insurance, training, and other tax-advantaged benefits
  • Discount club covering technology, leisure, and training
  • Ongoing development through Udemy Business, language courses, official certifications, and technical training
  • Career development plan
  • Nutrition, physical activity, and emotional wellbeing programs
  • 24/7 personal and family assistance
  • Diverse and multicultural work environment
  • Social events

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