Senior Java Developer

Role Overview

A growing technology-driven organization is seeking a Senior Java Developer to strengthen its software engineering team. This role requires deep expertise in Java-based development particularly within modern frameworks and microservices architectures.

The ideal candidate brings strong experience in cloud environments distributed systems database technologies and emerging AI-driven solutions. Experience in eCommerce environments and customer-facing systems is highly valued. Strong English communication skills are essential for collaboration in a cross-functional global setting.

Key Responsibilities

• Design develop and maintain high-availability Java applications with a focus on scalability and fault tolerance.
• Build solutions using Java and the Spring ecosystem including Spring Cloud Spring Data and Spring Security.
• Architect and implement microservices-based systems.
• Design optimize and maintain NoSQL databases particularly MongoDB ensuring performance and reliability.
• Develop and manage RESTful APIs to enable seamless integration across services and client applications.
• Implement and maintain messaging and event-streaming solutions using Kafka or similar technologies.
• Deploy and manage applications in cloud environments such as Microsoft Azure Google Cloud Platform (GCP) or Amazon Web Services (AWS).
• Troubleshoot production issues perform root cause analysis and optimize system performance.
• Contribute to and lead test automation initiatives to maintain high software quality standards.
• Collaborate with product owners business stakeholders and engineering teams to translate functional requirements into scalable technical solutions.
• Utilize containerization technologies (e.g. Docker) for application packaging and deployment.
• Integrate AI and large language model (LLM)-powered capabilities into applications including implementing Retrieval-Augmented Generation (RAG) approaches.
• Design and optimize data pipelines leveraging vector databases (e.g. Weaviate) to enable semantic search and advanced AI functionality.

Qualifications

Education

• Bachelors degree in Computer Science Information Technology or a related discipline or equivalent practical experience.

Experience & Technical Expertise

• Minimum of 5 years of professional experience in Java development ideally within an eCommerce or high-transaction environment.
• Strong proficiency in Java and the Spring Framework (Cloud Data Security).
• Solid experience with Kafka and distributed messaging systems.
• Hands-on expertise in MongoDB and other NoSQL database technologies.
• Proven experience designing and maintaining microservices architectures.
• Demonstrated ability to debug analyze and optimize complex distributed systems.
• Practical experience deploying and managing applications on major cloud platforms (Azure GCP or AWS).
• Strong background in designing and implementing REST APIs.
• Experience with automated testing frameworks and strategies.
• Hands-on experience working with large language models (LLMs) and embedding AI features into production systems.
• Working knowledge of RAG methodologies and vector databases for semantic retrieval use cases.
• Fluent English communication skills both written and verbal.