Senior Engineer - LMEsmart

Hong Kong Exchanges and Clearing Limited (HKEX); Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Hong Kong Exchanges and Clearing Limited (HKEX) seeks a Senior Engineer for LMEsmart in London to engineer resilient Inter-Office integrations and automated testing frameworks. The role focuses on automating recovery, price-band governance, and real-time matching performance with strong Java expertise.

The candidate should have 5+ years in software development (Java), experience with cloud platforms, distributed systems, and DevOps practices.

Qualifications

• Degree in Computer Science, IT or related disciplines.
• 5+ years’ experience in software development with Java (JVM).
• Deep understanding of cloud infrastructures across major cloud vendors.
• Knowledge of off-heap data structures and memory-mapped data structures.
• Experience with distributed systems, data streaming (Kafka) and big-data processing.
• Familiarity with Scrum, Agile, XP, Kanban or Lean methodologies.
• Understanding of DevOps, secure software development (DevSecOps) and Git.

Responsibilities

• Engineer resilient Inter-Office integrations and workflows for automation and governance.
• Develop automation of test tooling and framework for the Inter-Office Trading platform.
• Onboard vendor tools, analyse requirements, and deploy solutions.
• Evolve automated test suite with MI/reporting and robust automation foundations.
• Communicate insights to IT and Business stakeholders; manage test environments.

Skills

Java

Kubernetes

Cloud

Kafka

DevOps

Git

Education

Bachelor's or Master’s in Computer Science or related field

Tools

Git

Docker

Job description

Senior Engineer - LMEsmart

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.