Senior backend Java Mongo Engineer

Senior backend Java Mongo Engineer

We are Hiring a highly skilled Senior Java Engineer to join our Streaming Platform team. You will design and build large-scale, high-throughput services using Java, Spring Boot microservices, distributed design patterns, GraphQL, AWS cloud services, and MongoDB performance optimization techniques.

Your responsibilities:

  • Architect, design, and develop scalable, event-driven microservices using Java and Spring Boot.
  • Apply microservices design patterns such as Saga, CQRS, Event Sourcing, Circuit Breaker, API Gateway, and Strangler Pattern.
  • Build and integrate GraphQL APIs for efficient data retrieval.
  • Implement high-performance MongoDB aggregations, indexing, and query tuning.
  • Utilize MongoDB Change Streams for real-time data processing.
  • Use AWS SNS/SQS for asynchronous messaging and workflows.
  • Deploy and manage microservices on AWS ECS.
  • Drive ongoing improvements in performance, reliability, and scalability.

Your Profile

Essential skills/knowledge/experience:

  • Strong expertise in Java (17+) and Spring Boot.
  • Experience in distributed microservices architecture.
  • Proficiency in microservices design patterns.
  • Strong GraphQL API experience.
  • Deep knowledge of MongoDB: Aggregations, indexing, optimization, and Change Streams.
  • AWS SNS, SQS, ECS hands-on experience.
  • Familiarity with distributed caching systems.

Desirable skills/knowledge/experience:

  • Experience with streaming or high-traffic platforms.
  • Exposure to Kafka/Kinesis.
  • Containerization knowledge: Docker, ECS, Kubernetes.
  • Experience with observability (Prometheus, Grafana, ELK).
  • Strong problem-solving skills.
  • Excellent communication & cross-team collaboration.
  • Ability to thrive in fast-paced environments.

Job Details

Company
Gazelle Global
Location
Redhill, England, United Kingdom
Posted