Senior Lead Engineer, Post Trade; Blockchain

The successful candidate for the Senior Lead Engineer role will work with the Director of Technical Delivery Solution and Delivery and be part of a team building a complex, ground‑up cloud‑based critical market infrastructure service in a bold new venture for LSEG. This position requires a candidate who takes great pride in delivering excellence with strong logical and technical skills, a can‑do attitude, a helpful mentality, and a desire to play a critical role in forming and growing a new business.

• Maintain engineering excellence and focus on coding, adopting an open and hands‑on approach to problem‑solving and delivery.
• Engage deeply in technical design and implementation to ensure solutions are robust, scalable, and aligned with industry standards.
• Actively contribute to all stages of the product engineering life cycle – solutioning, design, coding, and testing – while promoting collaboration and transparency within the team to drive high‑quality outcomes.
• Demonstrate ownership and pride in work, proactively taking on new responsibilities aligned with product engineering needs.
• Embrace and apply LSEG engineering principles, diving deep technically to build with purpose and foster excellence within the team through open collaboration.
• Create an environment of engagement, challenge, and constructive questioning, ensuring trust and respect are maintained and a strong one‑team mentality is upheld.

• Event‑driven microservices architecture: strong understanding of microservices design, pitfalls and best practices; knowledge of Domain‑Driven Design (DDD) and event‑driven architecture principles; experience with containerisation and orchestration using Docker and Kubernetes; skilled in event‑driven patterns for efficient and robust communication; expertise in building and maintaining Dev Ops pipelines, ideally with Git Lab; proficiency in shift‑left testing using tools such as JUnit, Cucumber, Gherkin, PACT, and Test Containers.
• Advanced Java: strong experience in Object‑Oriented Programming (OOP); advanced knowledge of Java 17+ features and practical experience with Spring Boot; skilled in developing RESTful services, including REST design principles, Swagger/OpenAPI, and Spring MVC; proficient in building and delivering enterprise‑grade Java applications; hands‑on experience with data structures, algorithms, concurrency, and multi‑threading.
• Database Management: strong SQL knowledge with experience in relational databases such as Postgres; working knowledge of object storage solutions, e.g., AWS S3; familiarity with database version control tools like Flyway and Liquibase.
• Cloud Architecture: experience working with major public cloud platforms, preferably AWS; hands‑on use of cloud‑based services such as AWS Aurora, MSK, S3, and IAM; basic understanding of cloud networking concepts.
• Blockchain: understanding of blockchain fundamentals, including consensus mechanisms and smart contracts; knowledge of interoperability protocols and experience integrating blockchain solutions with existing enterprise systems; familiarity with cross‑chain communication and bridging technologies; awareness of security considerations in blockchain integration (e.g., cryptographic standards, key management); knowledge of token standards and transaction lifecycle.
• Agile Ways of Working: strong understanding and commitment to the ethos of agile working; experience working within Scrum and Kanban frameworks; active participation in sprint ceremonies, including Product Backlog Refinement; proven collaboration with cross‑functional teams in scaled agile environments.

• Delivery‑focused: committed to meeting deadlines and managing stakeholder expectations.
• Accountable: takes ownership and responsibility for outcomes.
• Collaborative: works effectively within cross‑functional teams and fosters teamwork.
• Communicative: champions clear, respectful, and constructive communication.
• Quality‑driven: maintains high standards in code quality, testing, and CI/CD practices.
• Adaptable & Innovative: eager to learn, improve, and embrace new technologies.
• Critical yet Respectful: challenges ideas…