Java Backend Developer

Java Backend Developer - Inside IR35 - 5 days on Site - £400 Per Day - 6 Months About the Role

• Design, develop, and maintain scalable microservices using Java and Spring Boot.
• Build and optimize real-time data pipelines leveraging Apache Kafka, Flink, and Spark/Databricks.
• Develop robust data distribution and streaming solutions for high-throughput systems.
• Deploy, manage, and monitor services in containerized environments (Docker/Kubernetes).
• Write efficient and optimized SQL queries for relational databases.
• Integrate and manage applications in AWS cloud environments.
• Collaborate with cross-functional teams to ensure smooth delivery and integration of features.
• Implement monitoring and observability solutions (e.g., Datadog) for system health and performance tracking.
• Maintain high standards of code quality, reliability, and security.

• Strong programming skills in Java and Spring Boot.
• Hands‑on experience with Microservices architecture and RESTful APIs.
• Proficiency with Kafka and distributed streaming systems.
• Solid understanding of SQL and data modeling.
• Experience with containerization (Docker) and orchestration (Kubernetes).
• Working knowledge of Flink, Spark, or Databricks for data processing.
• Familiarity with AWS services (ECS, EKS, S3, Lambda, etc.).
• Basic scripting in Python for automation or data manipulation.

• Experience with Datadog, Prometheus, or other monitoring tools.
• Exposure to CI/CD pipelines and Dev Ops practices.
• Knowledge of data engineering best practices and real-time analytics.

• Core Java (Concurrency/Multithreading) – Expert
• Core Java (Collections, Objects) – Expert
• Spring – Expert
• Kafka – Intermediate or above
• SQL and No SQL DB – Intermediate or above
• Hands‑on with Flink, Spark, Databricks for data processing.