Senior Java Developer - Low Latency

Grid Dynamics Holdings; City Of London; On-site; GBP 100,000 - 125,000; Full time

Job summary

A leading technology consulting firm in the UK is seeking experienced Low-Latency Java Engineers to minimize latency and develop efficient solutions in a high-performance FX eTrading team. Applicants should have strong Java development experience and familiarity with performance optimization techniques. The role offers a competitive salary, flexible schedule, and a comprehensive benefits package.

Benefits

Competitive salary

Flexible schedule

Benefits package - medical insurance, sports

Corporate social events

Professional development opportunities

Qualifications

• Strong experience in Java development, particularly for low-latency/high-performance systems.
• Experience with profiling tools such as Java Flight Recorder, VisualVM, JProfiler, or similar.
• Understanding of performance bottlenecks, garbage collection, and optimization techniques.

Responsibilities

• Develop and maintain low-latency Java applications.
• Identify performance bottlenecks and implement solutions to reduce latency.
• Create zero-GC solutions and optimize existing code for maximum efficiency.

Skills

Java development

Profiling tools (Java Flight Recorder, VisualVM, JProfiler)

Problem-solving skills

Job description

Overview

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We are seeking experienced Low-Latency Java Engineers to join a high-performance FX eTrading team. In this role, you will focus on minimizing latency, identifying and eliminating sources of long-tail delays, and developing zero-garbage-collection (zero-GC) solutions.

Responsibilities

• Develop and maintain low-latency Java applications.
• Identify performance bottlenecks and implement solutions to reduce latency.
• Create zero-GC solutions and optimize existing code for maximum efficiency.
• Collaborate with the team to enhance the overall performance and scalability of the trading platform.
• Monitor and analyze system performance using advanced metrics and profiling tools.

Qualifications

• Strong experience in Java development, particularly for low-latency/high-performance systems
• Experience with profiling tools such as Java Flight Recorder, VisualVM, JProfiler, or similar
• Understanding of performance bottlenecks, garbage collection, and optimization techniques
• Good problem-solving skills and mechanical sympathy for hardware-aware programming

Desirable

FX or trading experience

What we offer

• Opportunity to work on bleeding-edge projects
• Work with a highly motivated and dedicated team
• Competitive salary
• Flexible schedule
• Benefits package - medical insurance, sports
• Corporate social events
• Professional development opportunities
• Well-equipped office

About us

Grid Dynamics (NASDAQ: GDYN) is a leading provider of technology consulting, platform and product engineering, AI, and advanced analytics services. Fusing technical vision with business acumen, we solve the most pressing technical challenges and enable positive business outcomes for enterprise companies undergoing business transformation. A key differentiator for Grid Dynamics is our 8 years of experience and leadership in enterprise AI, supported by profound expertise and ongoing investment in data, analytics, cloud & DevOps, application modernization and customer experience. Founded in 2006, Grid Dynamics is headquartered in Silicon Valley with offices across the Americas, Europe, and India.