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

• Bachelor’s 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.