Key skills
DockerFluxIoTJavaKafkaRedisSpringSpring BootSpringBootCollaboration
About this role
Role Overview
- Build a clean, modular backend foundation
- Implement a robust event-driven architecture
- Ensure a stable, production-ready demo for June (Safetech show)
- Structure the V2 backend using Spring Boot
- Define a clear modular breakdown (API / Domain / Services / Integrations / Events)
- Apply sound principles (Clean Architecture, separation of concerns)
- Review and refactor critical endpoints
- Structure Redis Streams
- Design event contracts (versioning, traceability)
- Implement consumers, retry mechanisms, and DLQs
- Manage idempotency and resilience
- Structure MQTT connectors and third-party APIs
- Improve reliability of real-time data flows
- Robustly handle errors and asynchronous processing
- Conduct code reviews
- Define technical standards
- Document architecture
- Transfer best practices to the team
Requirements
- 7+ years in Java backend development
- Strong expertise in Spring Boot
- Real-world experience with event-driven architecture in production
- Experience with Redis Streams or equivalent (Kafka, NATS, etc.)
- Good understanding of IoT / connected systems
- Experience with real-time systems is a plus
- Proficiency with Docker and containerized environments
- Ability to structure solutions without unnecessary complexity
- Pragmatic, delivery-focused approach
Tech Stack
- Docker
- Flux
- IoT
- Java
- Kafka
- Redis
- Spring
- Spring Boot
- SpringBoot
Benefits
- High-stakes IoT / video / 3D mapping project
- Direct impact on V2 architecture
- Direct collaboration with the Tech Lead
- Fast decision-making, small engineering team
- Strategic, structuring assignment