Senior Low-Latency Java Engineer

Barclays

. Design, develop, and improve software providing business, platform, and technology capabilities .

Posted 9/18/2026full-timeNew York City • New Jersey • United StatesSenior💰 $170,000 - $230,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Java and C++ development for high-performance trading systems, with a strong focus on algorithmic trading logic and execution workflows. Proven ability to manage risks, advise stakeholders, and contribute to strategic direction in technology-driven environments.

Highest-signal resume keywords

Core Java DevelopmentHigh-Performance Messaging SystemsAlgorithmic Trading LogicMarket Data PlatformsRisk Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C++ DevelopmentUnit TestingSecure Coding PracticesAdvanced JVM TuningGarbage Collection StrategiesNetwork CommunicationLow-Latency TechniquesAnalytical Problem-SolvingExecution AlgorithmsSmart Order Routing

Soft Skills

Stakeholder Relationship ManagementCoaching and TrainingCollaborationStrategic ThinkingKnowledge Sharing

Tools & Technologies

ExegyRefinitivUDPZGCAzul Zing

Industry Keywords

Equities MarketsElectronic TradingPerformance-Critical SystemsChange and TransformationBusiness Acumen

Tech Stack

Tools & technologies

JavaC++

About the role

Key responsibilities & impact

Design, develop, and improve software providing business, platform, and technology capabilities
Develop and deliver scalable, maintainable, and performance-optimized software solutions
Build high-performance trading systems powering electronic execution at scale
Develop and enhance Java and C++ platforms for market data, analytics, order management, and resiliency services
Design, build, and enhance algorithmic trading logic, smart order routing strategies, and execution workflows
Collaborate with quants, product managers, designers, engineers, and product teams
Participate in code reviews and promote code quality and knowledge sharing
Implement unit testing and secure coding practices
Stay informed about technology trends and contribute to technology communities
Advise stakeholders and senior management on functional and cross-functional impacts
Manage and mitigate risks and strengthen controls
Create solutions through sophisticated analytical thought and extensive research
Build and maintain internal and external stakeholder relationships
Train, guide, and coach less experienced specialists

Requirements

What you’ll need

Experience with core Java development in high-throughput, low-latency environments
Experience designing high-performance messaging systems with efficient binary protocols and lock-free patterns
Experience with network and inter-process communication using UDP and related low-latency techniques
Experience with advanced JVM tuning and garbage collection strategies such as ZGC or Azul Zing
Good analytical and problem-solving skills in complex, performance-critical systems
Building electronic trading or execution platforms is highly valued
Knowledge of equities markets, execution algorithms, and smart order routing is highly valued
Experience with market data platforms or vendors such as Exegy or Refinitiv is highly valued
Knowledge of network latency measurement and tuning tools and techniques is highly valued
Ability to demonstrate risk and controls, change and transformation, business acumen, strategic thinking, digital and technology, and job-specific technical skills
For the VP role, ability to contribute or set strategy, advise stakeholders, manage and mitigate risks, and guide technical direction

Benefits

Comp & perks

Medical coverage
Dental coverage
Vision coverage
401(k)
Life insurance
Paid leave for qualifying circumstances
Incentive award eligibility