Senior Java Engineer – Market Connectivity

HCLTech; England; On-site; GBP 70,000 - 100,000; Full time

Job summary

A leading technology company is seeking an experienced Java Software Engineer for a full-time role in London, England. The ideal candidate should have 10+ years of experience in core Java development and expertise in multi-threading, messaging techniques, and low latency trading systems. Education in Computer Science or a related STEM field is preferred. This position offers the opportunity to work with a global team in a dynamic environment.

Qualifications

• Strong core Java development with market connectivity experience.
• Experience working with low-latency trading systems.
• Minimum 10 years of Java experience.

Skills

Core Java development

Multi-threading

Messaging & ZeroGC techniques

Low latency trading systems

Bash Scripting

Linux

TDD/BDD

Code standards enforcement

Memory profiling

Education

Degree in Computer Science or any STEM

Job description

HCLTech is a global technology company, home to more than 220,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending December 2024 totaled $13.8 billion.

Qualifications

• 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

Preferred Skills

• TransFICC Experience, highly desirable
• JVM internals, tuning for low-latency
• LMAX Disruptor, Multi-Reactor, Chronicle Queue/Map, Aeron/Agrona or similar

Seniority Level

Mid-Senior level

Employment Type

Full-time

Job Function

Other

Industries

IT Services and IT Consulting

Location

London, England, United Kingdom

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