Java Full Stack Engineer

Apexon; Birmingham; On-site; GBP 45,000 - 65,000; Full time

Job summary

Apexon is seeking a dynamic and skilled Java Full Stack Developer to design, build, and deliver scalable, high-performance software solutions in Birmingham, England. The ideal candidate will have strong backend development experience with Java, hands-on frontend expertise using React, and practical knowledge of AWS and Kafka. Responsibilities include developing web applications, maintaining scalable APIs, and collaborating with teams to ensure high-quality solutions. Join us and contribute to innovative projects while working in an Agile environment.

Qualifications

• Proficiency in Java 8+, Spring Boot, and RESTful API development.
• Experience deploying applications to AWS (EC2, Lambda, S3, RDS, or similar).
• Hands-on experience using Apache Spark for data processing or analytics tasks.
• Solid understanding of microservices architecture and CI/CD pipelines.
• Strong problem-solving skills, attention to detail, and the ability to work in an Agile environment.

Responsibilities

• Design, develop, and maintain end-to-end web applications using Java (Spring Boot) and React.
• Build and maintain scalable APIs and microservices leveraging AWS.
• Implement data processing pipelines using Apache Spark.
• Collaborate with cross-functional teams to deliver high-quality solutions.
• Optimize code, troubleshoot production issues, and ensure application reliability.

Skills

Java 8+

Spring Boot

RESTful API development

AWS

Apache Spark

microservices architecture

CI/CD pipelines

Git

Jenkins

Docker

Kubernetes

Tools

AWS EC2

AWS Lambda

AWS S3

AWS RDS

MongoDB

DynamoDB

Job description

We are seeking a dynamic and skilled Java Full Stack Developer to design, build, and deliver scalable, high-performance software solutions. The ideal candidate will have strong backend development experience with Java, hands‑on frontend expertise using React, and practical knowledge of AWS and Kafka.

Key Responsibilities

• Design, develop, and maintain end‑to‑end web applications using Java (Spring Boot) and React.
• Build and maintain scalable APIs and microservices that leverage cloud‑based environments on AWS.
• Implement data processing pipelines using Apache Spark for performance optimization and analytics.
• Collaborate with cross‑functional teams including architects, QA, product owners, and DevOps engineers to deliver high‑quality solutions.
• Participate in design reviews, code reviews, and Agile ceremonies to ensure best practices and continuous improvement.
• Optimize code, troubleshoot production issues, and ensure application reliability and scalability.

Required Skills and Experience

• Proficiency in Java 8+, Spring Boot, and RESTful API development.
• Experience deploying applications to AWS (EC2, Lambda, S3, RDS, or similar).
• Hands‑on experience using Apache Spark for data processing or analytics tasks.
• Solid understanding of microservices architecture and CI/CD pipelines.
• Experience with Git, Jenkins, Docker, or Kubernetes is a plus.
• Strong problem‑solving skills, attention to detail, and the ability to work in an Agile environment.

Nice‑to‑Have Skills

• Experience with NoSQL databases (e.g., MongoDB, DynamoDB).
• Familiarity with serverless architecture or data streaming tools such as Kafka.
• Exposure to DevOps and cloud infrastructure automation.