Senior Java Software Engineer

A high-growth, privately backed Enterprise SaaS company is seeking a Senior Core Java Engineer to join its London-based engineering team. The organisation builds large-scale, mission-critical platforms used by some of the most sophisticated technology and financial services environments globally.

This is an opportunity to work on low-latency, high-throughput distributed systems, solving complex engineering problems at scale within a collaborative, high-performing team.

Key Responsibilities

• Design, build and maintain high-performance distributed Java services
• Contribute across design, development, testing, deployment and support
• Collaborate closely with other engineers to deliver customer-centric solutions
• Mentor and be mentored within a senior engineering team
• Promote best practices around code quality, testing and reliability
• Participate in team support and operational responsibilities

Technology Environment

• Core Java (deep JVM knowledge – minimal reliance on frameworks)
• Kafka & event-driven architectures
• Low-latency, high-throughput systems

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