Senior/Lead Backend Engineer
Workplace: Stockholm, Sverige
Expires: January 25, 2026
Seeking a technically curious backend developer to take greater responsibility for architecture, scalability, and leadership. Opportunity to be both hands-on and guiding while building smart, connected systems where cloud meets hardware.
Main requirements:
  • Deep experience with .NET (C#) and container-based environments using Kubernetes
  • Strong understanding of distributed systems, microservice architecture, and cloud-native principles
  • Experience with real-time data, streaming data, and event-driven solutions such as Kafka or RabbitMQ
  • Ability to translate technical challenges into concrete action plans
  • Desire and capability to coach and mentor junior and mid-level developers
  • Balance short-term deliveries with long-term technical health
Responsibilities:
  • Drive architecture forward and improve code quality
  • Coach and mentor other developers
  • Work closely with CTO and product owners from requirements and design to implementation, code reviews, and delivery
  • Set standards for building robust, scalable, and real-time ready distributed systems
  • Lead technical discussions, evaluate new tools and design patterns
  • Contribute to planning with product and stakeholders
Required hard skills:
  • .NET (C#)
  • Kubernetes and container-based environments
  • Distributed systems and microservice architecture
  • Cloud-native development principles
  • Real-time data processing and event-driven architectures (Kafka, RabbitMQ or similar)
Recommended hard skills:
  • IoT architecture and data collection from uncertain or unpredictable sources
  • Experience with gRPC, protobuf, and modern communication patterns
  • Basic understanding of wireless protocols such as LoRaWAN, NB-IoT, LTE-M
  • Infrastructure as code and automated deployment pipelines
Soft skills:
  • Technical curiosity
  • Leadership and coaching skills
  • Strategic thinking
  • Communication and collaboration
  • Mentorship aptitude
  • Ability to balance immediate tasks with future technical health
Coding languages:
  • C#
Frameworks:
  • .NET
Operating systems:
  • Cloud environments, Kubernetes
Natural languages:
  • English (Proficient)
  • Swedish (Working knowledge)
Cultural skills:
  • Hybrid and flexible work culture
  • Collaborative team environment
  • Emphasis on continuous learning and leadership development
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