Java backend Developer

W3Global; Bournemouth; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading technology firm in Bournemouth is looking for a highly skilled Software Engineer with over 7 years of experience. You will design, develop, and maintain scalable microservices using Java and Spring Boot while building real-time data pipelines with tools like Apache Kafka and Spark. This role requires strong expertise in cloud technologies and a solid understanding of container orchestration with Docker and Kubernetes. Ideal candidates are expected to collaborate cross-functionally and maintain high standards of code quality.

Qualifications

• 7+ years of experience in software engineering.
• Strong programming skills in Java and Spring Boot.
• Proven ability to design and develop microservices.

Responsibilities

• Design and maintain scalable microservices.
• Build real-time data pipelines using Kafka and Spark.
• Deploy and manage applications in cloud environments.

Skills

Java

Spring Boot

Microservices architecture

Apache Kafka

SQL

Docker

Kubernetes

AWS

Python

Tools

Datadog

Prometheus

Apache Flink

Apache Spark

Databricks

Job description

Overview

Contract

Bournemouth, UK

Work from office 5 days

We are looking for 7+ years experienced highly skilled Software Engineer with strong experience in Java, Spring, and Microservices development, along with exposure to big data processing and cloud-native technologies. The ideal candidate will design, build, and maintain scalable systems that process large volumes of data in real time.

Responsibilities

• 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 Skills

• 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 Skills

• 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.

Mandatory Skills

• Core Java( Concurrency / Multithreading) - Expert
• Core Java ( Collections, Objects) -Expert
• Spring -Expert
• Kafka- Intermediate or above
• Sql and No SQL DB - Intermediate or above