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Java Developer (Blockchain)

London, United Kingdom💼 Full-time🗓 2026-07-22 → 2026-09-25

Core

Building a complex, ground-up cloud-based critical market infrastructure service for LSEG's new venture, focusing on post-trade engineering.

Role type

Senior Associate Java Developer (Blockchain & Post-Trade)

Builds

Cloud-based market infrastructure services

Domain

Financial markets infrastructure, Blockchain, Cloud Architecture

Deliverable

production ML models | product features

Required skills

Advanced Java (17+), Spring Boot, Microservices, Event-driven architecture, Docker, Kubernetes, Kafka, SQL (Postgres), AWS, RESTful API design, Domain-Driven Design (DDD), CI/CD pipelines, Shift-left testing

Preferred skills

Cross-chain communication, Smart contract integration, Cryptographic standards, Token standards

Technologies

Java, Spring Boot, Docker, Kubernetes, Kafka, Postgres, AWS, GitLab, JUnit, Cucumber, Gherkin, PACT, Flyway, Liquibase

Responsibilities

Design and implement robust, scalable event-driven microservices; Develop enterprise-grade Java applications using OOP and concurrency patterns; Integrate blockchain solutions with existing enterprise systems; Manage DevOps pipelines and shift-left testing strategies; Collaborate in agile environments to drive product engineering life cycle stages.

Seniority

Senior Associate

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