Location
London
Hours
Full Time
Salary
Negotiable
About the Role
The successful candidate will join the London Stock Exchange Group (LSEG) as an Engineer, Post Trade, working closely with the Director Technical Delivery Solution and Delivery. You will be part of a team building a complex, ground-up cloud-based critical market infrastructure service in a bold new venture for LSEG. This role requires pride in delivering engineering excellence, strong logical and technical skills, a can-do attitude, and a helpful mentality. You will play a critical role in forming and growing a new business, engaging deeply in technical design and implementation to ensure solutions are robust, scalable, and aligned with industry standards.
Key responsibilities include adopting an open and hands-on approach to problem-solving and delivery, contributing to all stages of the product engineering life cycle—solutioning, design, coding, and testing—while promoting collaboration and transparency within the team. You will demonstrate ownership and pride in your work, proactively taking on new responsibilities aligned with product engineering needs. Embracing LSEG engineering principles, you will dive deep technically to build with purpose and foster excellence through open collaboration. You will help create an environment of engagement, challenge, and constructive questioning, ensuring trust, respect, and a strong one-team mentality.
Experience
- Strong understanding of event-driven microservices architecture, including pitfalls and best practices
- Knowledge of Domain-Driven Design (DDD) and event-driven architecture principles
- Experience with containerization and orchestration using Docker and Kubernetes
- Skilled in event-driven patterns for efficient and robust communication
- Expertise in building and maintaining DevOps pipelines, ideally with GitLab
- Proficient in shift-left testing using tools such as JUnit, Cucumber, Gherkin, PACT, and Test Containers
- Working knowledge of event/message brokers such as Kafka and MQ
- Advanced Java skills including Object-Oriented Programming, Java 17+ features, and Spring Boot
- Skilled in developing RESTful services with REST design principles, Swagger/OpenAPI, and Spring REST MVC
- Hands-on experience with data structures, algorithms, concurrency, and multi-threading
- Strong SQL knowledge with experience in relational databases such as Postgres
- Working knowledge of object storage solutions like AWS S3
- Familiarity with database version control tools such as Flyway and Liquibase
- Experience working with major public cloud platforms, preferably AWS, including AWS Aurora, MSK, S3, and IAM
- Basic understanding of cloud networking concepts
- Understanding of blockchain fundamentals including consensus mechanisms and smart contracts
- Knowledge of interoperability protocols and integrating blockchain solutions with enterprise systems
- Familiarity with cross-chain communication and bridging technologies
- Awareness of security considerations in blockchain integration such as cryptographic standards and key management
- Knowledge of token standards and transaction lifecycle
- Strong understanding and commitment to agile working, with experience in Scrum and Kanban frameworks
- Proven collaboration with cross-functional teams in scaled agile environments
About you
- Delivery-focused with commitment to meeting deadlines and managing stakeholder expectations
- Accountable and takes ownership and responsibility for outcomes
- Collaborative team player who fosters effective teamwork
- Communicative with clear, respectful, and constructive communication skills
- Quality-driven with high standards in code quality, testing, and CI/CD practices
- Adaptable and innovative, eager to learn and embrace new technologies
- Critical yet respectful, able to challenge ideas constructively while maintaining professionalism
- Passionate about solving problems and minimizing complexity with an engineering mindset
Qualifications
Senior Associate career stage or equivalent experience in software engineering, particularly in Java development and blockchain integration.
London Stock Exchange Group










