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DELTACLASS TECHNOLOGY SOLUTIONS LIMITED
Lead Java Developer- FIX Protocol

Lead Java Developer- FIX Protocol

Hybrid

London, United kingdom

Senior

Freelance

26-01-2026

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Skills

Java Bash Linux

Job Specifications

Job Description:

Please check the JD with TransFICC Experience, highly desirable and Market Connectivity

Senior Java Engineer – Market Connectivity

You have strong core Java development with market connectivity experience

You have strong experience with multi-threading, messaging & ZeroGC techniques

You have experience of working on low latency trading systems

You have good working knowledge of Bash Scripting & Linux

You follow TDD/BDD and value the benefits of testing

You know what good code looks like and enforce the standards during PRs

You know how to use memory profilers and look at heap dumps

You are degree educated, Computer Science preferred or any STEM

Minimum Java experience: 10 years

Skills:

TransFICC Experience, Must Have.

Hot Code path optimization, Off-heap memory management techniques

JVM internals, tuning for low latency

Low-latency messaging & data structures, network protocols, network I/O in Java

LMAX Disruptor, Multi-Reactor, Chronicle Queue/Map, Aeron/Agrona or similar

About the Company

Deltaclass Technology Solutions (DCTS) is an IT Recruitment and Consultancy Services Company, and we are specialised within Technology hiring. - Supply Permanent / Temporary / Project based staffing Solutions. - Our Recruitment Consultants are very well trained to fulfil our clients need. - Operational global presence in UK, Germany, Netherlands, Sweden, Poland with operations across Europe, India and USA. Know more