Senior Engineer - LMEsmart

London Metal Exchange; Greater London; On-site; GBP 110,000 - 180,000; Full time

Job summary

The London Metal Exchange invites applications for a senior software engineer to advance LMEsmart, the Inter-Office Trading platform. You will engineer resilient integrations, optimize price-band governance, and surface real-time matching performance to reduce manual effort and strengthen market oversight.

You will also lead automation of test tooling, deploy vendor tools, and document solutions while expanding an automated test suite.

Qualifications

• Degree in Computer Science or related field.
• 5+ years in software development with Java and performance tuning.
• Knowledge of cloud infrastructures and memory-mapped data structures.
• Experience with distributed systems and data streaming (Kafka).
• Familiar with Scrum, Agile, Kanban, or Lean.
• Understanding of DevOps and secure software development.
• Experience with version control (Git).

Responsibilities

• Develop automation and test tooling for Inter-Office Trading platform.
• Onboard vendor tools and analyze requirements.
• Develop, deploy and document solutions for automation.
• Execute and evolve the automated test suite with actionable MI/reporting.
• Manage test environments to keep codebases and infrastructure understood.

Skills

Java JVM

Distributed systems

Kafka

Cloud infrastructures

DevOps / DevSecOps

Git version control

Kubernetes

Security in SDLC

Agile methodologies

Problem solving

Education

Bachelor's in Computer Science

Tools

Docker

Kubernetes

CloudFormation

Redis

Job description

LMEsmart is the LME’s Inter-Office Trading platform, responsible for trade registration, lifecycle management, and trade matching. The primary focus of the role is to engineer resilient Inter-Office integrations and workflows that automate recovery, streamline price‑band governance, and surface real‑time matching performance—reducing manual effort, improving compliance, and strengthening Inter‑Office market oversight.

Shift Pattern

Standard 40 Hour Week (United Kingdom)

Scheduled Weekly Hours

40

Corporate Grade

D - Assistant Vice President

Reporting Line

(UK Division) Information Technology

Location

UK-London

Worker Type

Permanent

Overall Purpose of Role

LMEsmart is the LME’s Inter-Office Trading platform, responsible for trade registration, lifecycle management, and trade matching. The primary focus of the role is to engineer resilient Inter-Office integrations and workflows that automate recovery, streamline price‑band governance, and surface real‑time matching performance—reducing manual effort, improving compliance, and strengthening Inter‑Office market oversight.

Develop the automation of test tooling and framework development for the Inter-Office Trading platform—onboarding vendor tools, analysing requirements, developing, deploying and documenting solutions. Execute and evolve the automated test suite with actionable MI/reporting; refining a robust automation foundation that improves efficiency and delivery; communicate key insights to IT and Business stakeholders; and manage the relevant test environments so application codebases and underlying infrastructure are well understood and documented.

Academic and Professional Qualifications Required

Preferred - Bachelors or Master’s Degree (Computer Science or Related Degree, Maths or Physics also considered)

Required Knowledge and Level of Experience

• Degree in Computer Science, IT or related disciplines.
• 5+ years’ experience in software development with Java (JVM), including performance optimisation and profiling.
• Deep understanding of cloud infrastructures, usage patterns, across at least one major cloud vendor.
• Knowledge of off‑heap data structures, including memory‑mapped file‑based data structures.
• Knowledge and experience of JVM based optimisation.
• Experience with distributed systems, data streaming (e.g., Kafka) and big‑data processing paradigms.
• Working in any of: Scrum, Agile, XP, Kanban or Lean Software Development environment.
• Software and application design and algorithm design and implementation.
• Version control with Git; understanding of DevOps principles and secure software development (DevSecOps).
• Working knowledge of data streaming standards and use‑cases; exposure to highly‑available services.
• Security aspects of software development

Bonus for knowledge of

• UI development using React.js.
• Scripting languages, preferably Python.
• NoSQL or distributed databases (e.g., Redis, Couchbase)
• Automation/configuration management (e.g., Ansible, Puppet, Chef)
• Containerisation and orchestration (Docker, Kubernetes).
• Public cloud (e.g., AWS) and IaC (e.g., CloudFormation)

Skills set and Core Competencies Required for Role

• Highly proficient in Java; able to build high‑throughput, low‑latency services.
• Understanding of containers and Kubernetes; ability to implement complex network topologies in cloud like environments.
• Ability to scale applications to handle high‑frequency market data.
• Must be able to communicate clearly and constructively with wide range of audiences in writing or in speech
• Be able to make decisions and have action‑oriented attitude.
• Establishes and maintains constructive and collaborative relationships with all business areas.
• Proactive planning, pragmatic judgement and attention to detail.

The LME is committed to creating a diverse environment and is proud to be an equal opportunity employer. In recruiting for our teams, we welcome the unique contributions that you can bring in terms of education, ethnicity, race, sex, gender identity, expression & reassignment, nation of origin, age, languages spoken, colour, religion, disability, sexual orientation and beliefs. In doing so, we want every LME employee to feel our commitment to showing respect for all and encouraging open collaboration and communication.