Senior Java Software Engineer

UK remote (willing to travel to Glasgow office once per quarter)

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

• You have strong experience in Java development and exposure to Python.
• Have experience with large-scale data processing and search technologies.
• An expert in Apache Lucene, Solr, Elasticsearch, if not you have the appetite to learn more.
• Hands on experience with SQL and NoSQL databases under your belt.
• Hold a degree in Computer Science/Software Engineering or equivalent experience.
• Familiar with writing automated tests and maintaining high code quality.
• You have laser sharp attention to detail.
• Strong communication skills (both verbal and written) are just some of your top talents in delivering reports and technical specifications.
• Enjoy working within a fast-paced environment, possess a ‘can do’ attitude, with the ability to ‘flex’ and perform as a strong team player.
• You have the ability and the desire to proactively identify improvements to our products and processes.
• Experience in understanding and balancing client, Company and technical needs.
• Experience of agile environments with modern DevOps and CI/CD practices.
• Thrive with the opportunity to mentor more junior members of the team.

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.