Senior Java Engineer

Java Software Engineer

Our client is a tier-one global financial institution driving an aggressive digital modernization across its capital markets infrastructure. They are currently re-architecting their core mission-critical workflow engine to scale from hundreds of concurrent users to thousands. This transformation involves integrating advanced AI, Large Language Models (LLMs), and intelligent automation to handle massive daily transactional volume.

Role Overview

As an Expert Systems Developer within Global Technology & Operations, you will lead the architectural evolution and scaling of this high-throughput platform. You will act as a technical pillar, influencing system design, driving automation, and embedding intelligent decisioning into enterprise-scale workflows.

Key Responsibilities

1. Architectural Influence: Lead high-level design discussions and provide strategic technical direction to scale a platform processing millions of complex operations monthly.
2. Engineering Excellence: Elevate code quality across the engineering group through rigorous code reviews, mentoring, and enforcing robust design patterns.
3. Performance Optimization: Proactively identify bottlenecks, troubleshoot critical system issues, and performance-tune distributed architectures.
4. Automation Leadership: Drive continuous improvement by establishing 'best practice' frameworks and comprehensive automated testing strategies across the lifecycle.

Required Skills

1. Enterprise Java Expertise: Extensive experience building, maintaining, and scaling complex, enterprise-grade Java applications.
2. High-Throughput Distributed Systems: Proven track record of optimizing large-scale distributed data platforms and managing high-concurrency environments.
3. Data Management Ecosystems: Deep proficiency navigating complex data architectures, utilising technologies such as Oracle, Hadoop, and Elasticsearch.

Desirable Skills

1. AI & Intelligent Automation: Familiarity with LLMs (e.g., Llama, ChatGPT), prompt engineering, or supervised machine learning models for automated classification.
2. Modern Interface Concepts: Practical UI/UX awareness to support the deployment of highly intuitive task management tools.

mthree

This position is delivered through the mthree Expert Career Programme. You will join us as a permanent, salaried mthree consultant deployed exclusively with this single tier-one client. Throughout your assignment, you will receive expert technical support, ongoing professional development, and a transparent, defined pathway to permanently convert to the client's internal headcount.

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