https://jobs.co.uk/job/booking-and-messaging-java-developer-randstad-technologies-recruitment--863e270d-7330-4ce7-85bf-39847fe4e715 RSS feed for Booking and Messaging Java Developer at Randstad Technologies Recruitment. en-gb Fri, 01 May 2026 11:14:14 GMT https://jobs.co.uk/job/booking-and-messaging-java-developer-randstad-technologies-recruitment--863e270d-7330-4ce7-85bf-39847fe4e715 https://jobs.co.uk/job/booking-and-messaging-java-developer-randstad-technologies-recruitment--863e270d-7330-4ce7-85bf-39847fe4e715 Tue, 07 Apr 2026 23:00:00 GMT Location: London | Salary: £600 - £625/day | Type: Contract | Java Messaging Engineer | eBond Trading Platform We are seeking a high-caliber Java Backend Developer to join the Booking & Messaging cell of a global electronic trading platform. This role is at the heart of the "eBond" ecosystem, managing high-throughput trade flows and external venue connectivity. Your Technical Arsenal Core Java Mastery: Expert-level Java (8+) with a focus on Multithreading, Concurrency, and Asynchronous processing. Reactive Systems: Hands-on experience with Functional Reactive Programming (RxJava, Java 9 Flow API, or similar). Low Latency Messaging: Deep understanding of 60East AMPS , Kafka, or Solace. You should be comfortable with Pub/Sub, Point-to-Point, and durable subscriptions. Middleware & Networking: Expertise in socket programming and optimizing low-latency network communication. Modern Stack: Spring IoC/MVC, SQL (Sybase/PostgreSQL), and a solid grasp of Linux internals. Rate: -625 per day (Umbrella / Inside IR35) Location: London (Hybrid) Duration: 6 Months (Initial) Ideal Candidate You are a developer who possesses "mechanical sympathy" -you don''t just write code; you understand how it impacts the har... Contract