Backend Developer - Customer Solutions
Workplace: Stockholm, Sverige
Expires: December 21, 2025
Join Aira Group AB as a Backend Developer focusing on building intelligent backend systems to support the company's clean energy growth across Europe. Develop scalable customer solution matching platforms, pricing optimization systems, and APIs for rapid market expansion in an agile, mission-driven environment.
Main requirements:
  • Strong experience with Java and Spring Boot
  • Solid understanding of databases and data modeling (SQL and NoSQL)
  • Experience with automated testing (unit and integration tests)
  • Experience building scalable, distributed systems
  • Familiarity with cloud platforms and containerization
  • Knowledge of modern development practices (CI/CD, code reviews, agile methodologies)
Responsibilities:
  • Build and maintain backend customer solution matching platform
  • Develop scalable backend services for pricing capabilities and new product support
  • Create flexible event-driven systems accommodating various markets and regulations
  • Design and implement APIs and microservices for geographic expansion
Required hard skills:
  • Java
  • Spring Boot
  • SQL databases
  • NoSQL databases
  • Automated testing
  • Scalable distributed systems
  • Cloud platforms
  • Containerization
  • CI/CD
  • Agile methodologies
Recommended hard skills:
  • Recommendation engines
  • Pricing algorithms
  • Matching systems
  • DynamoDB
  • PostgreSQL
  • Event-driven architectures (Kafka, message queues)
  • Cloud DevOps (Docker, Kubernetes, AWS/GCP)
  • gRPC
  • Protobuf
  • Infrastructure as Code (Terraform)
Soft skills:
  • Collaboration
  • Agility
  • Mentorship
  • Career development orientation
  • Mission-driven mindset
  • Adaptability
Coding languages:
  • Java
Frameworks:
  • Spring Boot
Operating systems:
  • Cloud platforms
Natural languages:
  • English (Proficient)
Cultural skills:
  • Diversity and inclusion
  • International collaboration
  • Sustainability and climate action awareness
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