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W3Global

Java backend Developer

On site

Bournemouth, United kingdom

Freelance

20-01-2026

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Skills

Python Java SQL Data Engineering Apache Kafka CI/CD DevOps Docker Kubernetes Monitoring Architecture Programming Databases apache AWS AWS Cloud Analytics Spring Spark Spring Boot CI/CD Pipelines Databricks Kafka Prometheus Flink Microservices

Job Specifications

Contract

Bournemouth, UK

Work from office 5 days/week

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.

Primary Skillset

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.

Secondary Skillset

Experience with Datadog, Prometheus, or other monitoring tools.

Exposure to CI/CD pipelines and DevOps practices.

Knowledge of data engineering best practices and real-time analytics.

Key Skills To Be Focussed On

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, or Databricks for data processing.

About the Company

W3Global is a leading provider of end-to-end consulting services, empowering businesses to achieve their strategic goals and optimize their operations. With over 15 years of experience, we have a proven track record of delivering innovative and effective solutions across a wide range of industries. Our Mission At W3Global, we are committed to helping businesses of all sizes achieve their full potential. We believe that by combining our deep industry expertise with our innovative approach, we can deliver exceptional results... Know more