Hyrbid - 1 day per week in office A leading SaaS organisation is looking for a Senior Java Developer to join its expanding technology team. You’ll contribute to the ongoing development of a next-generation platform, with a strong focus on high-performance search capabilities and large-scale data processing. This is a fantastic opportunity to work on impactful technology in a forward-thinking, data-driven environment. Your Role As a Senior Java Developer, you’ll be instrumental in building and evolving a resilient data platform that underpins key SaaS offerings. You’ll work closely with engineers, designers, and product teams to deliver scalable, performant solutions that help end users derive real value from complex data. Key Responsibilities Write clean, maintainable, and well-tested code following Agile and TDD practices Contribute to both backend services (Java) and modern front-end frameworks (React/TypeScript) Develop and fine-tune search functionality using technologies like Lucene, Solr, or OpenSearch Collaborate with Data Engineers to design and deliver data pipelines Leverage cloud platforms (AWS, Azure, or GCP) for scalable and resilient processing Participate in code reviews, pair programming, and mentoring team members Support system reliability and ensure smooth operation of production environments Your Background Solid commercial experience in Java development working in a Senior Software Engineer role Exposure to Python for data handling or transformation is a bonus Experience working with large datasets for analytics or search applications Knowledge of search technologies (Lucene, Solr, Elasticsearch, or OpenSearch) Familiarity with modern JavaScript frameworks like React or Vue (or openness to learning) Competent in working with both relational and NoSQL databases (e.g. PostgreSQL, MySQL, MongoDB) Comfortable operating in Agile/DevOps environments with a strong emphasis on automated testing Why Join? Collaborate with a skilled, multidisciplinary team on a modern SaaS data and search platform Get involved with cutting-edge areas such as vector search and machine learning Thrive in a culture that encourages experimentation, innovation, and continuous improvement What’s in It for You? Competitive compensation and benefits Flexible remote-first setup with periodic in-person team collaboration Opportunity to make a real impact on a platform trusted by industry-leading organisations If you're passionate about solving complex problems, building scalable systems, and working with the latest in search and data tech, we’d love to hear from you. Seniority Level Mid-Senior level Industry Software Development Employment Type Full-time Job Functions Information Technology Skills Java Software as a Service (SaaS) Screening questions